/*  Prototype JavaScript framework, version 1.6.1
 *  (c) 2005-2009 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/
 
 /* Patched to address this bug: https://prototype.lighthouseapp.com/projects/8886-prototype/tickets/618 */

var Prototype = {
  Version: '1.6.1',

  Browser: (function(){
    var ua = navigator.userAgent;
    var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]';
    return {
      IE:             !!window.attachEvent && !isOpera,
      Opera:          isOpera,
      WebKit:         ua.indexOf('AppleWebKit/') > -1,
      Gecko:          ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1,
      MobileSafari:   /Apple.*Mobile.*Safari/.test(ua)
    }
  })(),

  BrowserFeatures: {
    XPath: !!document.evaluate,
    SelectorsAPI: !!document.querySelector,
    ElementExtensions: (function() {
      var constructor = window.Element || window.HTMLElement;
      return !!(constructor && constructor.prototype);
    })(),
    SpecificElementExtensions: (function() {
      if (typeof window.HTMLDivElement !== 'undefined')
        return true;

      var div = document.createElement('div');
      var form = document.createElement('form');
      var isSupported = false;

      if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) {
        isSupported = true;
      }

      div = form = null;

      return isSupported;
    })()
  },

  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,

  emptyFunction: function() { },
  K: function(x) { return x }
};

if (Prototype.Browser.MobileSafari)
  Prototype.BrowserFeatures.SpecificElementExtensions = false;


var Abstract = { };


var Try = {
  these: function() {
    var returnValue;

    for (var i = 0, length = arguments.length; i < length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) { }
    }

    return returnValue;
  }
};

/* Based on Alex Arnell's inheritance implementation. */

var Class = (function() {
  function subclass() {};
  function create() {
    var parent = null, properties = $A(arguments);
    if (Object.isFunction(properties[0]))
      parent = properties.shift();

    function klass() {
      this.initialize.apply(this, arguments);
    }

    Object.extend(klass, Class.Methods);
    klass.superclass = parent;
    klass.subclasses = [];

    if (parent) {
      subclass.prototype = parent.prototype;
      klass.prototype = new subclass;
      parent.subclasses.push(klass);
    }

    for (var i = 0; i < properties.length; i++)
      klass.addMethods(properties[i]);

    if (!klass.prototype.initialize)
      klass.prototype.initialize = Prototype.emptyFunction;

    klass.prototype.constructor = klass;
    return klass;
  }

  function addMethods(source) {
    var ancestor   = this.superclass && this.superclass.prototype;
    var properties = Object.keys(source);

    if (!Object.keys({ toString: true }).length) {
      if (source.toString != Object.prototype.toString)
        properties.push("toString");
      if (source.valueOf != Object.prototype.valueOf)
        properties.push("valueOf");
    }

    for (var i = 0, length = properties.length; i < length; i++) {
      var property = properties[i], value = source[property];
      if (ancestor && Object.isFunction(value) &&
          value.argumentNames().first() == "$super") {
        var method = value;
        value = (function(m) {
          return function() { return ancestor[m].apply(this, arguments); };
        })(property).wrap(method);

        value.valueOf = method.valueOf.bind(method);
        value.toString = method.toString.bind(method);
      }
      this.prototype[property] = value;
    }

    return this;
  }

  return {
    create: create,
    Methods: {
      addMethods: addMethods
    }
  };
})();
(function() {

  var _toString = Object.prototype.toString;

  function extend(destination, source) {
    for (var property in source)
      destination[property] = source[property];
    return destination;
  }

  function inspect(object) {
    try {
      if (isUndefined(object)) return 'undefined';
      if (object === null) return 'null';
      return object.inspect ? object.inspect() : String(object);
    } catch (e) {
      if (e instanceof RangeError) return '...';
      throw e;
    }
  }

  function toJSON(object) {
    var type = typeof object;
    switch (type) {
      case 'undefined':
      case 'function':
      case 'unknown': return;
      case 'boolean': return object.toString();
    }

    if (object === null) return 'null';
    if (object.toJSON) return object.toJSON();
    if (isElement(object)) return;

    var results = [];
    for (var property in object) {
      var value = toJSON(object[property]);
      if (!isUndefined(value))
        results.push(property.toJSON() + ': ' + value);
    }

    return '{' + results.join(', ') + '}';
  }

  function toQueryString(object) {
    return $H(object).toQueryString();
  }

  function toHTML(object) {
    return object && object.toHTML ? object.toHTML() : String.interpret(object);
  }

  function keys(object) {
    var results = [];
    for (var property in object)
      results.push(property);
    return results;
  }

  function values(object) {
    var results = [];
    for (var property in object)
      results.push(object[property]);
    return results;
  }

  function clone(object) {
    return extend({ }, object);
  }

  function isElement(object) {
    return !!(object && object.nodeType == 1);
  }

  function isArray(object) {
    return _toString.call(object) == "[object Array]";
  }


  function isHash(object) {
    return object instanceof Hash;
  }

  function isFunction(object) {
    return typeof object === "function";
  }

  function isString(object) {
    return _toString.call(object) == "[object String]";
  }

  function isNumber(object) {
    return _toString.call(object) == "[object Number]";
  }

  function isUndefined(object) {
    return typeof object === "undefined";
  }

  extend(Object, {
    extend:        extend,
    inspect:       inspect,
    toJSON:        toJSON,
    toQueryString: toQueryString,
    toHTML:        toHTML,
    keys:          keys,
    values:        values,
    clone:         clone,
    isElement:     isElement,
    isArray:       isArray,
    isHash:        isHash,
    isFunction:    isFunction,
    isString:      isString,
    isNumber:      isNumber,
    isUndefined:   isUndefined
  });
})();
Object.extend(Function.prototype, (function() {
  var slice = Array.prototype.slice;

  function update(array, args) {
    var arrayLength = array.length, length = args.length;
    while (length--) array[arrayLength + length] = args[length];
    return array;
  }

  function merge(array, args) {
    array = slice.call(array, 0);
    return update(array, args);
  }

  function argumentNames() {
    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
      .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
      .replace(/\s+/g, '').split(',');
    return names.length == 1 && !names[0] ? [] : names;
  }

  function bind(context) {
    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
    var __method = this, args = slice.call(arguments, 1);
    return function() {
      var a = merge(args, arguments);
      return __method.apply(context, a);
    }
  }

  function bindAsEventListener(context) {
    var __method = this, args = slice.call(arguments, 1);
    return function(event) {
      var a = update([event || window.event], args);
      return __method.apply(context, a);
    }
  }

  function curry() {
    if (!arguments.length) return this;
    var __method = this, args = slice.call(arguments, 0);
    return function() {
      var a = merge(args, arguments);
      return __method.apply(this, a);
    }
  }

  function delay(timeout) {
    var __method = this, args = slice.call(arguments, 1);
    timeout = timeout * 1000
    return window.setTimeout(function() {
      return __method.apply(__method, args);
    }, timeout);
  }

  function defer() {
    var args = update([0.01], arguments);
    return this.delay.apply(this, args);
  }

  function wrap(wrapper) {
    var __method = this;
    return function() {
      var a = update([__method.bind(this)], arguments);
      return wrapper.apply(this, a);
    }
  }

  function methodize() {
    if (this._methodized) return this._methodized;
    var __method = this;
    return this._methodized = function() {
      var a = update([this], arguments);
      return __method.apply(null, a);
    };
  }

  return {
    argumentNames:       argumentNames,
    bind:                bind,
    bindAsEventListener: bindAsEventListener,
    curry:               curry,
    delay:               delay,
    defer:               defer,
    wrap:                wrap,
    methodize:           methodize
  }
})());


Date.prototype.toJSON = function() {
  return '"' + this.getUTCFullYear() + '-' +
    (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
    this.getUTCDate().toPaddedString(2) + 'T' +
    this.getUTCHours().toPaddedString(2) + ':' +
    this.getUTCMinutes().toPaddedString(2) + ':' +
    this.getUTCSeconds().toPaddedString(2) + 'Z"';
};


RegExp.prototype.match = RegExp.prototype.test;

RegExp.escape = function(str) {
  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};
var PeriodicalExecuter = Class.create({
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  execute: function() {
    this.callback(this);
  },

  stop: function() {
    if (!this.timer) return;
    clearInterval(this.timer);
    this.timer = null;
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.execute();
        this.currentlyExecuting = false;
      } catch(e) {
        this.currentlyExecuting = false;
        throw e;
      }
    }
  }
});
Object.extend(String, {
  interpret: function(value) {
    return value == null ? '' : String(value);
  },
  specialChar: {
    '\b': '\\b',
    '\t': '\\t',
    '\n': '\\n',
    '\f': '\\f',
    '\r': '\\r',
    '\\': '\\\\'
  }
});

Object.extend(String.prototype, (function() {

  function prepareReplacement(replacement) {
    if (Object.isFunction(replacement)) return replacement;
    var template = new Template(replacement);
    return function(match) { return template.evaluate(match) };
  }

  function gsub(pattern, replacement) {
    var result = '', source = this, match;
    replacement = prepareReplacement(replacement);

    if (Object.isString(pattern))
      pattern = RegExp.escape(pattern);

    if (!(pattern.length || pattern.source)) {
      replacement = replacement('');
      return replacement + source.split('').join(replacement) + replacement;
    }

    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += String.interpret(replacement(match));
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  }

  function sub(pattern, replacement, count) {
    replacement = prepareReplacement(replacement);
    count = Object.isUndefined(count) ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  }

  function scan(pattern, iterator) {
    this.gsub(pattern, iterator);
    return String(this);
  }

  function truncate(length, truncation) {
    length = length || 30;
    truncation = Object.isUndefined(truncation) ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : String(this);
  }

  function strip() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  }

  function stripTags() {
    return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, '');
  }

  function stripScripts() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  }

  function extractScripts() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  }

  function evalScripts() {
    return this.extractScripts().map(function(script) { return eval(script) });
  }

  function escapeHTML() {
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  }

  function unescapeHTML() {
    return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');
  }


  function toQueryParams(separator) {
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
    if (!match) return { };

    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
      if ((pair = pair.split('='))[0]) {
        var key = decodeURIComponent(pair.shift());
        var value = pair.length > 1 ? pair.join('=') : pair[0];
        if (value != undefined) value = decodeURIComponent(value);

        if (key in hash) {
          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
          hash[key].push(value);
        }
        else hash[key] = value;
      }
      return hash;
    });
  }

  function toArray() {
    return this.split('');
  }

  function succ() {
    return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
  }

  function times(count) {
    return count < 1 ? '' : new Array(count + 1).join(this);
  }

  function camelize() {
    var parts = this.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
  }

  function capitalize() {
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
  }

  function underscore() {
    return this.replace(/::/g, '/')
               .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
               .replace(/([a-z\d])([A-Z])/g, '$1_$2')
               .replace(/-/g, '_')
               .toLowerCase();
  }

  function dasherize() {
    return this.replace(/_/g, '-');
  }

  function inspect(useDoubleQuotes) {
    var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) {
      if (character in String.specialChar) {
        return String.specialChar[character];
      }
      return '\\u00' + character.charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  }

  function toJSON() {
    return this.inspect(true);
  }

  function unfilterJSON(filter) {
    return this.replace(filter || Prototype.JSONFilter, '$1');
  }

  function isJSON() {
    var str = this;
    if (str.blank()) return false;
    str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
    return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
  }

  function evalJSON(sanitize) {
    var json = this.unfilterJSON();
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  }

  function include(pattern) {
    return this.indexOf(pattern) > -1;
  }

  function startsWith(pattern) {
    return this.indexOf(pattern) === 0;
  }

  function endsWith(pattern) {
    var d = this.length - pattern.length;
    return d >= 0 && this.lastIndexOf(pattern) === d;
  }

  function empty() {
    return this == '';
  }

  function blank() {
    return /^\s*$/.test(this);
  }

  function interpolate(object, pattern) {
    return new Template(this, pattern).evaluate(object);
  }

  return {
    gsub:           gsub,
    sub:            sub,
    scan:           scan,
    truncate:       truncate,
    strip:          String.prototype.trim ? String.prototype.trim : strip,
    stripTags:      stripTags,
    stripScripts:   stripScripts,
    extractScripts: extractScripts,
    evalScripts:    evalScripts,
    escapeHTML:     escapeHTML,
    unescapeHTML:   unescapeHTML,
    toQueryParams:  toQueryParams,
    parseQuery:     toQueryParams,
    toArray:        toArray,
    succ:           succ,
    times:          times,
    camelize:       camelize,
    capitalize:     capitalize,
    underscore:     underscore,
    dasherize:      dasherize,
    inspect:        inspect,
    toJSON:         toJSON,
    unfilterJSON:   unfilterJSON,
    isJSON:         isJSON,
    evalJSON:       evalJSON,
    include:        include,
    startsWith:     startsWith,
    endsWith:       endsWith,
    empty:          empty,
    blank:          blank,
    interpolate:    interpolate
  };
})());

var Template = Class.create({
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    if (object && Object.isFunction(object.toTemplateReplacements))
      object = object.toTemplateReplacements();

    return this.template.gsub(this.pattern, function(match) {
      if (object == null) return (match[1] + '');

      var before = match[1] || '';
      if (before == '\\') return match[2];

      var ctx = object, expr = match[3];
      var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
      match = pattern.exec(expr);
      if (match == null) return before;

      while (match != null) {
        var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1];
        ctx = ctx[comp];
        if (null == ctx || '' == match[3]) break;
        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
        match = pattern.exec(expr);
      }

      return before + String.interpret(ctx);
    });
  }
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

var $break = { };

var Enumerable = (function() {
  function each(iterator, context) {
    var index = 0;
    try {
      this._each(function(value) {
        iterator.call(context, value, index++);
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  }

  function eachSlice(number, iterator, context) {
    var index = -number, slices = [], array = this.toArray();
    if (number < 1) return array;
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.collect(iterator, context);
  }

  function all(iterator, context) {
    iterator = iterator || Prototype.K;
    var result = true;
    this.each(function(value, index) {
      result = result && !!iterator.call(context, value, index);
      if (!result) throw $break;
    });
    return result;
  }

  function any(iterator, context) {
    iterator = iterator || Prototype.K;
    var result = false;
    this.each(function(value, index) {
      if (result = !!iterator.call(context, value, index))
        throw $break;
    });
    return result;
  }

  function collect(iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];
    this.each(function(value, index) {
      results.push(iterator.call(context, value, index));
    });
    return results;
  }

  function detect(iterator, context) {
    var result;
    this.each(function(value, index) {
      if (iterator.call(context, value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  }

  function findAll(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  }

  function grep(filter, iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];

    if (Object.isString(filter))
      filter = new RegExp(RegExp.escape(filter));

    this.each(function(value, index) {
      if (filter.match(value))
        results.push(iterator.call(context, value, index));
    });
    return results;
  }

  function include(object) {
    if (Object.isFunction(this.indexOf))
      if (this.indexOf(object) != -1) return true;

    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  }

  function inGroupsOf(number, fillWith) {
    fillWith = Object.isUndefined(fillWith) ? null : fillWith;
    return this.eachSlice(number, function(slice) {
      while(slice.length < number) slice.push(fillWith);
      return slice;
    });
  }

  function inject(memo, iterator, context) {
    this.each(function(value, index) {
      memo = iterator.call(context, memo, value, index);
    });
    return memo;
  }

  function invoke(method) {
    var args = $A(arguments).slice(1);
    return this.map(function(value) {
      return value[method].apply(value, args);
    });
  }

  function max(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index);
      if (result == null || value >= result)
        result = value;
    });
    return result;
  }

  function min(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index);
      if (result == null || value < result)
        result = value;
    });
    return result;
  }

  function partition(iterator, context) {
    iterator = iterator || Prototype.K;
    var trues = [], falses = [];
    this.each(function(value, index) {
      (iterator.call(context, value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  }

  function pluck(property) {
    var results = [];
    this.each(function(value) {
      results.push(value[property]);
    });
    return results;
  }

  function reject(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (!iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  }

  function sortBy(iterator, context) {
    return this.map(function(value, index) {
      return {
        value: value,
        criteria: iterator.call(context, value, index)
      };
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  }

  function toArray() {
    return this.map();
  }

  function zip() {
    var iterator = Prototype.K, args = $A(arguments);
    if (Object.isFunction(args.last()))
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      return iterator(collections.pluck(index));
    });
  }

  function size() {
    return this.toArray().length;
  }

  function inspect() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }









  return {
    each:       each,
    eachSlice:  eachSlice,
    all:        all,
    every:      all,
    any:        any,
    some:       any,
    collect:    collect,
    map:        collect,
    detect:     detect,
    findAll:    findAll,
    select:     findAll,
    filter:     findAll,
    grep:       grep,
    include:    include,
    member:     include,
    inGroupsOf: inGroupsOf,
    inject:     inject,
    invoke:     invoke,
    max:        max,
    min:        min,
    partition:  partition,
    pluck:      pluck,
    reject:     reject,
    sortBy:     sortBy,
    toArray:    toArray,
    entries:    toArray,
    zip:        zip,
    size:       size,
    inspect:    inspect,
    find:       detect
  };
})();
function $A(iterable) {
  if (!iterable) return [];
  if ('toArray' in Object(iterable)) return iterable.toArray();
  var length = iterable.length || 0, results = new Array(length);
  while (length--) results[length] = iterable[length];
  return results;
}

function $w(string) {
  if (!Object.isString(string)) return [];
  string = string.strip();
  return string ? string.split(/\s+/) : [];
}

Array.from = $A;


(function() {
  var arrayProto = Array.prototype,
      slice = arrayProto.slice,
      _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available

  function each(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  }
  if (!_each) _each = each;

  function clear() {
    this.length = 0;
    return this;
  }

  function first() {
    return this[0];
  }

  function last() {
    return this[this.length - 1];
  }

  function compact() {
    return this.select(function(value) {
      return value != null;
    });
  }

  function flatten() {
    return this.inject([], function(array, value) {
      if (Object.isArray(value))
        return array.concat(value.flatten());
      array.push(value);
      return array;
    });
  }

  function without() {
    var values = slice.call(arguments, 0);
    return this.select(function(value) {
      return !values.include(value);
    });
  }

  function reverse(inline) {
    return (inline !== false ? this : this.toArray())._reverse();
  }

  function uniq(sorted) {
    return this.inject([], function(array, value, index) {
      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
        array.push(value);
      return array;
    });
  }

  function intersect(array) {
    return this.uniq().findAll(function(item) {
      return array.detect(function(value) { return item === value });
    });
  }


  function clone() {
    return slice.call(this, 0);
  }

  function size() {
    return this.length;
  }

  function inspect() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  }

  function toJSON() {
    var results = [];
    this.each(function(object) {
      var value = Object.toJSON(object);
      if (!Object.isUndefined(value)) results.push(value);
    });
    return '[' + results.join(', ') + ']';
  }

  function indexOf(item, i) {
    i || (i = 0);
    var length = this.length;
    if (i < 0) i = length + i;
    for (; i < length; i++)
      if (this[i] === item) return i;
    return -1;
  }

  function lastIndexOf(item, i) {
    i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
    var n = this.slice(0, i).reverse().indexOf(item);
    return (n < 0) ? n : i - n - 1;
  }

  function concat() {
    var array = slice.call(this, 0), item;
    for (var i = 0, length = arguments.length; i < length; i++) {
      item = arguments[i];
      if (Object.isArray(item) && !('callee' in item)) {
        for (var j = 0, arrayLength = item.length; j < arrayLength; j++)
          array.push(item[j]);
      } else {
        array.push(item);
      }
    }
    return array;
  }

  Object.extend(arrayProto, Enumerable);

  if (!arrayProto._reverse)
    arrayProto._reverse = arrayProto.reverse;

  Object.extend(arrayProto, {
    _each:     _each,
    clear:     clear,
    first:     first,
    last:      last,
    compact:   compact,
    flatten:   flatten,
    without:   without,
    reverse:   reverse,
    uniq:      uniq,
    intersect: intersect,
    clone:     clone,
    toArray:   clone,
    size:      size,
    inspect:   inspect,
    toJSON:    toJSON
  });

  var CONCAT_ARGUMENTS_BUGGY = (function() {
    return [].concat(arguments)[0][0] !== 1;
  })(1,2)

  if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;

  if (!arrayProto.indexOf) arrayProto.indexOf = indexOf;
  if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
})();
function $H(object) {
  return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {
  function initialize(object) {
    this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
  }

  function _each(iterator) {
    for (var key in this._object) {
      var value = this._object[key], pair = [key, value];
      pair.key = key;
      pair.value = value;
      iterator(pair);
    }
  }

  function set(key, value) {
    return this._object[key] = value;
  }

  function get(key) {
    if (this._object[key] !== Object.prototype[key])
      return this._object[key];
  }

  function unset(key) {
    var value = this._object[key];
    delete this._object[key];
    return value;
  }

  function toObject() {
    return Object.clone(this._object);
  }

  function keys() {
    return this.pluck('key');
  }

  function values() {
    return this.pluck('value');
  }

  function index(value) {
    var match = this.detect(function(pair) {
      return pair.value === value;
    });
    return match && match.key;
  }

  function merge(object) {
    return this.clone().update(object);
  }

  function update(object) {
    return new Hash(object).inject(this, function(result, pair) {
      result.set(pair.key, pair.value);
      return result;
    });
  }

  function toQueryPair(key, value) {
    if (Object.isUndefined(value)) return key;
    return key + '=' + encodeURIComponent(String.interpret(value));
  }

  function toQueryString() {
    return this.inject([], function(results, pair) {
      var key = encodeURIComponent(pair.key), values = pair.value;

      if (values && typeof values == 'object') {
        if (Object.isArray(values))
          return results.concat(values.map(toQueryPair.curry(key)));
      } else results.push(toQueryPair(key, values));
      return results;
    }).join('&');
  }

  function inspect() {
    return '#<Hash:{' + this.map(function(pair) {
      return pair.map(Object.inspect).join(': ');
    }).join(', ') + '}>';
  }

  function toJSON() {
    return Object.toJSON(this.toObject());
  }

  function clone() {
    return new Hash(this);
  }

  return {
    initialize:             initialize,
    _each:                  _each,
    set:                    set,
    get:                    get,
    unset:                  unset,
    toObject:               toObject,
    toTemplateReplacements: toObject,
    keys:                   keys,
    values:                 values,
    index:                  index,
    merge:                  merge,
    update:                 update,
    toQueryString:          toQueryString,
    inspect:                inspect,
    toJSON:                 toJSON,
    clone:                  clone
  };
})());

Hash.from = $H;
Object.extend(Number.prototype, (function() {
  function toColorPart() {
    return this.toPaddedString(2, 16);
  }

  function succ() {
    return this + 1;
  }

  function times(iterator, context) {
    $R(0, this, true).each(iterator, context);
    return this;
  }

  function toPaddedString(length, radix) {
    var string = this.toString(radix || 10);
    return '0'.times(length - string.length) + string;
  }

  function toJSON() {
    return isFinite(this) ? this.toString() : 'null';
  }

  function abs() {
    return Math.abs(this);
  }

  function round() {
    return Math.round(this);
  }

  function ceil() {
    return Math.ceil(this);
  }

  function floor() {
    return Math.floor(this);
  }

  return {
    toColorPart:    toColorPart,
    succ:           succ,
    times:          times,
    toPaddedString: toPaddedString,
    toJSON:         toJSON,
    abs:            abs,
    round:          round,
    ceil:           ceil,
    floor:          floor
  };
})());

function $R(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
}

var ObjectRange = Class.create(Enumerable, (function() {
  function initialize(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  }

  function _each(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  }

  function include(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }

  return {
    initialize: initialize,
    _each:      _each,
    include:    include
  };
})());



var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new XMLHttpRequest()},
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
    ) || false;
  },

  activeRequestCount: 0
};

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responder) {
    if (!this.include(responder))
      this.responders.push(responder);
  },

  unregister: function(responder) {
    this.responders = this.responders.without(responder);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (Object.isFunction(responder[callback])) {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) { }
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate:   function() { Ajax.activeRequestCount++ },
  onComplete: function() { Ajax.activeRequestCount-- }
});
Ajax.Base = Class.create({
  initialize: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      contentType:  'application/x-www-form-urlencoded',
      encoding:     'UTF-8',
      parameters:   '',
      evalJSON:     true,
      evalJS:       true
    };
    Object.extend(this.options, options || { });

    this.options.method = this.options.method.toLowerCase();

    if (Object.isString(this.options.parameters))
      this.options.parameters = this.options.parameters.toQueryParams();
    else if (Object.isHash(this.options.parameters))
      this.options.parameters = this.options.parameters.toObject();
  }
});
Ajax.Request = Class.create(Ajax.Base, {
  _complete: false,

  initialize: function($super, url, options) {
    $super(options);
    this.transport = Ajax.getTransport();
    this.request(url);
  },

  request: function(url) {
    this.url = url;
    this.method = this.options.method;
    var params = Object.clone(this.options.parameters);

    if (!['get', 'post'].include(this.method)) {
      params['_method'] = this.method;
      this.method = 'post';
    }

    this.parameters = params;

    if (params = Object.toQueryString(params)) {
      if (this.method == 'get')
        this.url += (this.url.include('?') ? '&' : '?') + params;
      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
        params += '&_=';
    }

    try {
      var response = new Ajax.Response(this);
      if (this.options.onCreate) this.options.onCreate(response);
      Ajax.Responders.dispatch('onCreate', this, response);

      this.transport.open(this.method.toUpperCase(), this.url,
        this.options.asynchronous);

      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);

      this.transport.onreadystatechange = this.onStateChange.bind(this);
      this.setRequestHeaders();

      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
      this.transport.send(this.body);

      /* Force Firefox to handle ready state 4 for synchronous requests */
      if (!this.options.asynchronous && this.transport.overrideMimeType)
        this.onStateChange();

    }
    catch (e) {
      this.dispatchException(e);
    }
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState > 1 && !((readyState == 4) && this._complete))
      this.respondToReadyState(this.transport.readyState);
  },

  setRequestHeaders: function() {
    var headers = {
      'X-Requested-With': 'XMLHttpRequest',
      'X-Prototype-Version': Prototype.Version,
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
    };

    if (this.method == 'post') {
      headers['Content-type'] = this.options.contentType +
        (this.options.encoding ? '; charset=' + this.options.encoding : '');

      /* Force "Connection: close" for older Mozilla browsers to work
       * around a bug where XMLHttpRequest sends an incorrect
       * Content-length header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType &&
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
            headers['Connection'] = 'close';
    }

    if (typeof this.options.requestHeaders == 'object') {
      var extras = this.options.requestHeaders;

      if (Object.isFunction(extras.push))
        for (var i = 0, length = extras.length; i < length; i += 2)
          headers[extras[i]] = extras[i+1];
      else
        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
    }

    for (var name in headers)
      this.transport.setRequestHeader(name, headers[name]);
  },

  success: function() {
    var status = this.getStatus();
    return !status || (status >= 200 && status < 300);
  },

  getStatus: function() {
    try {
      return this.transport.status || 0;
    } catch (e) { return 0 }
  },

  respondToReadyState: function(readyState) {
    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);

    if (state == 'Complete') {
      try {
        this._complete = true;
        (this.options['on' + response.status]
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(response, response.headerJSON);
      } catch (e) {
        this.dispatchException(e);
      }

      var contentType = response.getHeader('Content-type');
      if (this.options.evalJS == 'force'
          || (this.options.evalJS && this.isSameOrigin() && contentType
          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
        this.evalResponse();
    }

    try {
      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
    } catch (e) {
      this.dispatchException(e);
    }

    if (state == 'Complete') {
      this.transport.onreadystatechange = Prototype.emptyFunction;
    }
  },

  isSameOrigin: function() {
    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
      protocol: location.protocol,
      domain: document.domain,
      port: location.port ? ':' + location.port : ''
    }));
  },

  getHeader: function(name) {
    try {
      return this.transport.getResponseHeader(name) || null;
    } catch (e) { return null; }
  },

  evalResponse: function() {
    try {
      return eval((this.transport.responseText || '').unfilterJSON());
    } catch (e) {
      this.dispatchException(e);
    }
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];








Ajax.Response = Class.create({
  initialize: function(request){
    this.request = request;
    var transport  = this.transport  = request.transport,
        readyState = this.readyState = transport.readyState;

    if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
      this.status       = this.getStatus();
      this.statusText   = this.getStatusText();
      this.responseText = String.interpret(transport.responseText);
      this.headerJSON   = this._getHeaderJSON();
    }

    if(readyState == 4) {
      var xml = transport.responseXML;
      this.responseXML  = Object.isUndefined(xml) ? null : xml;
      this.responseJSON = this._getResponseJSON();
    }
  },

  status:      0,

  statusText: '',

  getStatus: Ajax.Request.prototype.getStatus,

  getStatusText: function() {
    try {
      return this.transport.statusText || '';
    } catch (e) { return '' }
  },

  getHeader: Ajax.Request.prototype.getHeader,

  getAllHeaders: function() {
    try {
      return this.getAllResponseHeaders();
    } catch (e) { return null }
  },

  getResponseHeader: function(name) {
    return this.transport.getResponseHeader(name);
  },

  getAllResponseHeaders: function() {
    return this.transport.getAllResponseHeaders();
  },

  _getHeaderJSON: function() {
    var json = this.getHeader('X-JSON');
    if (!json) return null;
    json = decodeURIComponent(escape(json));
    try {
      return json.evalJSON(this.request.options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  },

  _getResponseJSON: function() {
    var options = this.request.options;
    if (!options.evalJSON || (options.evalJSON != 'force' &&
      !(this.getHeader('Content-type') || '').include('application/json')) ||
        this.responseText.blank())
          return null;
    try {
      return this.responseText.evalJSON(options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  }
});

Ajax.Updater = Class.create(Ajax.Request, {
  initialize: function($super, container, url, options) {
    this.container = {
      success: (container.success || container),
      failure: (container.failure || (container.success ? null : container))
    };

    options = Object.clone(options);
    var onComplete = options.onComplete;
    options.onComplete = (function(response, json) {
      this.updateContent(response.responseText);
      if (Object.isFunction(onComplete)) onComplete(response, json);
    }).bind(this);

    $super(url, options);
  },

  updateContent: function(responseText) {
    var receiver = this.container[this.success() ? 'success' : 'failure'],
        options = this.options;

    if (!options.evalScripts) responseText = responseText.stripScripts();

    if (receiver = $(receiver)) {
      if (options.insertion) {
        if (Object.isString(options.insertion)) {
          var insertion = { }; insertion[options.insertion] = responseText;
          receiver.insert(insertion);
        }
        else options.insertion(receiver, responseText);
      }
      else receiver.update(responseText);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
  initialize: function($super, container, url, options) {
    $super(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = { };
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(response) {
    if (this.options.decay) {
      this.decay = (response.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = response.responseText;
    }
    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});



function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (Object.isString(element))
    element = document.getElementById(element);
  return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(Element.extend(query.snapshotItem(i)));
    return results;
  };
}

/*--------------------------------------------------------------------------*/

if (!window.Node) var Node = { };

if (!Node.ELEMENT_NODE) {
  Object.extend(Node, {
    ELEMENT_NODE: 1,
    ATTRIBUTE_NODE: 2,
    TEXT_NODE: 3,
    CDATA_SECTION_NODE: 4,
    ENTITY_REFERENCE_NODE: 5,
    ENTITY_NODE: 6,
    PROCESSING_INSTRUCTION_NODE: 7,
    COMMENT_NODE: 8,
    DOCUMENT_NODE: 9,
    DOCUMENT_TYPE_NODE: 10,
    DOCUMENT_FRAGMENT_NODE: 11,
    NOTATION_NODE: 12
  });
}


(function(global) {

  var SETATTRIBUTE_IGNORES_NAME = (function(){
    var elForm = document.createElement("form");
    var elInput = document.createElement("input");
    var root = document.documentElement;
    elInput.setAttribute("name", "test");
    elForm.appendChild(elInput);
    root.appendChild(elForm);
    var isBuggy = elForm.elements
      ? (typeof elForm.elements.test == "undefined")
      : null;
    root.removeChild(elForm);
    elForm = elInput = null;
    return isBuggy;
  })();

  var element = global.Element;
  global.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;
    if (SETATTRIBUTE_IGNORES_NAME && attributes.name) {
      tagName = '<' + tagName + ' name="' + attributes.name + '">';
      delete attributes.name;
      return Element.writeAttribute(document.createElement(tagName), attributes);
    }
    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
    return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
  };
  Object.extend(global.Element, element || { });
  if (element) global.Element.prototype = element.prototype;
})(this);

Element.cache = { };
Element.idCounter = 1;

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },


  hide: function(element) {
    element = $(element);
    element.style.display = 'none';
    return element;
  },

  show: function(element) {
    element = $(element);
    element.style.display = '';
    return element;
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: (function(){

    var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
      var el = document.createElement("select"),
          isBuggy = true;
      el.innerHTML = "<option value=\"test\">test</option>";
      if (el.options && el.options[0]) {
        isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
      }
      el = null;
      return isBuggy;
    })();

    var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
      try {
        var el = document.createElement("table");
        if (el && el.tBodies) {
          el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>";
          var isBuggy = typeof el.tBodies[0] == "undefined";
          el = null;
          return isBuggy;
        }
      } catch (e) {
        return true;
      }
    })();

    var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
      var s = document.createElement("script"),
          isBuggy = false;
      try {
        s.appendChild(document.createTextNode(""));
        isBuggy = !s.firstChild ||
          s.firstChild && s.firstChild.nodeType !== 3;
      } catch (e) {
        isBuggy = true;
      }
      s = null;
      return isBuggy;
    })();

    function update(element, content) {
      element = $(element);

      if (content && content.toElement)
        content = content.toElement();

      if (Object.isElement(content))
        return element.update().insert(content);

      content = Object.toHTML(content);

      var tagName = element.tagName.toUpperCase();

      if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
        element.text = content;
        return element;
      }

      if (SELECT_ELEMENT_INNERHTML_BUGGY || TABLE_ELEMENT_INNERHTML_BUGGY) {
        if (tagName in Element._insertionTranslations.tags) {
          while (element.firstChild) {
            element.removeChild(element.firstChild);
          }
          Element._getContentFromAnonymousElement(tagName, content.stripScripts())
            .each(function(node) {
              element.appendChild(node)
            });
        }
        else {
          element.innerHTML = content.stripScripts();
        }
      }
      else {
        element.innerHTML = content.stripScripts();
      }

      content.evalScripts.bind(content).defer();
      return element;
    }

    return update;
  })(),

  replace: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    else if (!Object.isElement(content)) {
      content = Object.toHTML(content);
      var range = element.ownerDocument.createRange();
      range.selectNode(element);
      content.evalScripts.bind(content).defer();
      content = range.createContextualFragment(content.stripScripts());
    }
    element.parentNode.replaceChild(content, element);
    return element;
  },

  insert: function(element, insertions) {
    element = $(element);

    if (Object.isString(insertions) || Object.isNumber(insertions) ||
        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
          insertions = {bottom:insertions};

    var content, insert, tagName, childNodes;

    for (var position in insertions) {
      content  = insertions[position];
      position = position.toLowerCase();
      insert = Element._insertionTranslations[position];

      if (content && content.toElement) content = content.toElement();
      if (Object.isElement(content)) {
        insert(element, content);
        continue;
      }

      content = Object.toHTML(content);

      tagName = ((position == 'before' || position == 'after')
        ? element.parentNode : element).tagName.toUpperCase();

      childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());

      if (position == 'top' || position == 'after') childNodes.reverse();
      childNodes.each(insert.curry(element));

      content.evalScripts.bind(content).defer();
    }

    return element;
  },

  wrap: function(element, wrapper, attributes) {
    element = $(element);
    if (Object.isElement(wrapper))
      $(wrapper).writeAttribute(attributes || { });
    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
    else wrapper = new Element('div', wrapper);
    if (element.parentNode)
      element.parentNode.replaceChild(wrapper, element);
    wrapper.appendChild(element);
    return wrapper;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(), attribute = pair.last();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

  ancestors: function(element) {
    return Element.recursivelyCollect(element, 'parentNode');
  },

  descendants: function(element) {
    return Element.select(element, "*");
  },

  firstDescendant: function(element) {
    element = $(element).firstChild;
    while (element && element.nodeType != 1) element = element.nextSibling;
    return $(element);
  },

  immediateDescendants: function(element) {
    if (!(element = $(element).firstChild)) return [];
    while (element && element.nodeType != 1) element = element.nextSibling;
    if (element) return [element].concat($(element).nextSiblings());
    return [];
  },

  previousSiblings: function(element) {
    return Element.recursivelyCollect(element, 'previousSibling');
  },

  nextSiblings: function(element) {
    return Element.recursivelyCollect(element, 'nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return Element.previousSiblings(element).reverse()
      .concat(Element.nextSiblings(element));
  },

  match: function(element, selector) {
    if (Object.isString(selector))
      selector = new Selector(selector);
    return selector.match($(element));
  },

  up: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(element.parentNode);
    var ancestors = Element.ancestors(element);
    return Object.isNumber(expression) ? ancestors[expression] :
      Selector.findElement(ancestors, expression, index);
  },

  down: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return Element.firstDescendant(element);
    return Object.isNumber(expression) ? Element.descendants(element)[expression] :
      Element.select(element, expression)[index || 0];
  },

  previous: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
    var previousSiblings = Element.previousSiblings(element);
    return Object.isNumber(expression) ? previousSiblings[expression] :
      Selector.findElement(previousSiblings, expression, index);
  },

  next: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
    var nextSiblings = Element.nextSiblings(element);
    return Object.isNumber(expression) ? nextSiblings[expression] :
      Selector.findElement(nextSiblings, expression, index);
  },


  select: function(element) {
    var args = Array.prototype.slice.call(arguments, 1);
    return Selector.findChildElements(element, args);
  },

  adjacent: function(element) {
    var args = Array.prototype.slice.call(arguments, 1);
    return Selector.findChildElements(element.parentNode, args).without(element);
  },

  identify: function(element) {
    element = $(element);
    var id = Element.readAttribute(element, 'id');
    if (id) return id;
    do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id));
    Element.writeAttribute(element, 'id', id);
    return id;
  },

  readAttribute: function(element, name) {
    element = $(element);
    if (Prototype.Browser.IE) {
      var t = Element._attributeTranslations.read;
      if (t.values[name]) return t.values[name](element, name);
      if (t.names[name]) name = t.names[name];
      if (name.include(':')) {
        return (!element.attributes || !element.attributes[name]) ? null :
         element.attributes[name].value;
      }
    }
    return element.getAttribute(name);
  },

  writeAttribute: function(element, name, value) {
    element = $(element);
    var attributes = { }, t = Element._attributeTranslations.write;

    if (typeof name == 'object') attributes = name;
    else attributes[name] = Object.isUndefined(value) ? true : value;

    for (var attr in attributes) {
      name = t.names[attr] || attr;
      value = attributes[attr];
      if (t.values[attr]) name = t.values[attr](element, value);
      if (value === false || value === null)
        element.removeAttribute(name);
      else if (value === true)
        element.setAttribute(name, name);
      else element.setAttribute(name, value);
    }
    return element;
  },

  getHeight: function(element) {
    return Element.getDimensions(element).height;
  },

  getWidth: function(element) {
    return Element.getDimensions(element).width;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    var elementClassName = element.className;
    return (elementClassName.length > 0 && (elementClassName == className ||
      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    if (!Element.hasClassName(element, className))
      element.className += (element.className ? ' ' : '') + className;
    return element;
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    element.className = element.className.replace(
      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
    return element;
  },

  toggleClassName: function(element, className) {
    if (!(element = $(element))) return;
    return Element[Element.hasClassName(element, className) ?
      'removeClassName' : 'addClassName'](element, className);
  },

  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.blank();
  },

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);

    if (element.compareDocumentPosition)
      return (element.compareDocumentPosition(ancestor) & 8) === 8;

    if (ancestor.contains)
      return ancestor.contains(element) && ancestor !== element;

    while (element = element.parentNode)
      if (element == ancestor) return true;

    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = Element.cumulativeOffset(element);
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    style = style == 'float' ? 'cssFloat' : style.camelize();
    var value = element.style[style];
    if (!value || value == 'auto') {
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }
    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
    return value == 'auto' ? null : value;
  },

  getOpacity: function(element) {
    return $(element).getStyle('opacity');
  },

  setStyle: function(element, styles) {
    element = $(element);
    var elementStyle = element.style, match;
    if (Object.isString(styles)) {
      element.style.cssText += ';' + styles;
      return styles.include('opacity') ?
        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
    }
    for (var property in styles)
      if (property == 'opacity') element.setOpacity(styles[property]);
      else
        elementStyle[(property == 'float' || property == 'cssFloat') ?
          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
            property] = styles[property];

    return element;
  },

  setOpacity: function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;
    return element;
  },

  getDimensions: function(element) {
    element = $(element);
    var display = Element.getStyle(element, 'display');
    if (display != 'none' && display != null) // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};

    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    if (originalPosition != 'fixed') // Switching fixed to absolute causes issues in Safari
      els.position = 'absolute';
    els.display = 'block';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      if (Prototype.Browser.Opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = Element.getStyle(element, 'overflow') || 'auto';
    if (element._overflow !== 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  },

  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if (element.tagName.toUpperCase() == 'BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p !== 'static') break;
      }
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  absolutize: function(element) {
    element = $(element);
    if (Element.getStyle(element, 'position') == 'absolute') return element;

    var offsets = Element.positionedOffset(element);
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.width  = width + 'px';
    element.style.height = height + 'px';
    return element;
  },

  relativize: function(element) {
    element = $(element);
    if (Element.getStyle(element, 'position') == 'relative') return element;

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
    return element;
  },

  cumulativeScrollOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  getOffsetParent: function(element) {
    // PATCH for Prototype Bug: https://prototype.lighthouseapp.com/projects/8886-prototype/tickets/618
    // Resolves issues with autocompleters in floating windows in IE8
    if (element.offsetParent && Element.visible(element)) return $(element.offsetParent);
    if (element == document.body) return $(element);

    while ((element = element.parentNode) && element != document.body)
      if (Element.getStyle(element, 'position') != 'static')
        return $(element);

    return $(document.body);
  },

  viewportOffset: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      if (element.offsetParent == document.body &&
        Element.getStyle(element, 'position') == 'absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);

    return Element._returnOffset(valueL, valueT);
  },

  clonePosition: function(element, source) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || { });

    source = $(source);
    var p = Element.viewportOffset(source);

    element = $(element);
    var delta = [0, 0];
    var parent = null;
    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = Element.getOffsetParent(element);
      delta = Element.viewportOffset(parent);
    }

    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
    return element;
  }
};

Object.extend(Element.Methods, {
  getElementsBySelector: Element.Methods.select,

  childElements: Element.Methods.immediateDescendants
});

Element._attributeTranslations = {
  write: {
    names: {
      className: 'class',
      htmlFor:   'for'
    },
    values: { }
  }
};

if (Prototype.Browser.Opera) {
  Element.Methods.getStyle = Element.Methods.getStyle.wrap(
    function(proceed, element, style) {
      switch (style) {
        case 'left': case 'top': case 'right': case 'bottom':
          if (proceed(element, 'position') === 'static') return null;
        case 'height': case 'width':
          if (!Element.visible(element)) return null;

          var dim = parseInt(proceed(element, style), 10);

          if (dim !== element['offset' + style.capitalize()])
            return dim + 'px';

          var properties;
          if (style === 'height') {
            properties = ['border-top-width', 'padding-top',
             'padding-bottom', 'border-bottom-width'];
          }
          else {
            properties = ['border-left-width', 'padding-left',
             'padding-right', 'border-right-width'];
          }
          return properties.inject(dim, function(memo, property) {
            var val = proceed(element, property);
            return val === null ? memo : memo - parseInt(val, 10);
          }) + 'px';
        default: return proceed(element, style);
      }
    }
  );

  Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
    function(proceed, element, attribute) {
      if (attribute === 'title') return element.title;
      return proceed(element, attribute);
    }
  );
}

else if (Prototype.Browser.IE) {
  Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
    function(proceed, element) {
      element = $(element);
      try { element.offsetParent }
      catch(e) { return $(document.body) }
      var position = element.getStyle('position');
      if (position !== 'static') return proceed(element);
      element.setStyle({ position: 'relative' });
      var value = proceed(element);
      element.setStyle({ position: position });
      return value;
    }
  );

  $w('positionedOffset viewportOffset').each(function(method) {
    Element.Methods[method] = Element.Methods[method].wrap(
      function(proceed, element) {
        element = $(element);
        try { element.offsetParent }
        catch(e) { return Element._returnOffset(0,0) }
        var position = element.getStyle('position');
        if (position !== 'static') return proceed(element);
        var offsetParent = element.getOffsetParent();
        if (offsetParent && offsetParent.getStyle('position') === 'fixed')
          offsetParent.setStyle({ zoom: 1 });
        element.setStyle({ position: 'relative' });
        var value = proceed(element);
        element.setStyle({ position: position });
        return value;
      }
    );
  });

  Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
    function(proceed, element) {
      try { element.offsetParent }
      catch(e) { return Element._returnOffset(0,0) }
      return proceed(element);
    }
  );

  Element.Methods.getStyle = function(element, style) {
    element = $(element);
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
    var value = element.style[style];
    if (!value && element.currentStyle) value = element.currentStyle[style];

    if (style == 'opacity') {
      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
        if (value[1]) return parseFloat(value[1]) / 100;
      return 1.0;
    }

    if (value == 'auto') {
      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
        return element['offset' + style.capitalize()] + 'px';
      return null;
    }
    return value;
  };

  Element.Methods.setOpacity = function(element, value) {
    function stripAlpha(filter){
      return filter.replace(/alpha\([^\)]*\)/gi,'');
    }
    element = $(element);
    var currentStyle = element.currentStyle;
    if ((currentStyle && !currentStyle.hasLayout) ||
      (!currentStyle && element.style.zoom == 'normal'))
        element.style.zoom = 1;

    var filter = element.getStyle('filter'), style = element.style;
    if (value == 1 || value === '') {
      (filter = stripAlpha(filter)) ?
        style.filter = filter : style.removeAttribute('filter');
      return element;
    } else if (value < 0.00001) value = 0;
    style.filter = stripAlpha(filter) +
      'alpha(opacity=' + (value * 100) + ')';
    return element;
  };

  Element._attributeTranslations = (function(){

    var classProp = 'className';
    var forProp = 'for';

    var el = document.createElement('div');

    el.setAttribute(classProp, 'x');

    if (el.className !== 'x') {
      el.setAttribute('class', 'x');
      if (el.className === 'x') {
        classProp = 'class';
      }
    }
    el = null;

    el = document.createElement('label');
    el.setAttribute(forProp, 'x');
    if (el.htmlFor !== 'x') {
      el.setAttribute('htmlFor', 'x');
      if (el.htmlFor === 'x') {
        forProp = 'htmlFor';
      }
    }
    el = null;

    return {
      read: {
        names: {
          'class':      classProp,
          'className':  classProp,
          'for':        forProp,
          'htmlFor':    forProp
        },
        values: {
          _getAttr: function(element, attribute) {
            return element.getAttribute(attribute);
          },
          _getAttr2: function(element, attribute) {
            return element.getAttribute(attribute, 2);
          },
          _getAttrNode: function(element, attribute) {
            var node = element.getAttributeNode(attribute);
            return node ? node.value : "";
          },
          _getEv: (function(){

            var el = document.createElement('div');
            el.onclick = Prototype.emptyFunction;
            var value = el.getAttribute('onclick');
            var f;

            if (String(value).indexOf('{') > -1) {
              f = function(element, attribute) {
                attribute = element.getAttribute(attribute);
                if (!attribute) return null;
                attribute = attribute.toString();
                attribute = attribute.split('{')[1];
                attribute = attribute.split('}')[0];
                return attribute.strip();
              };
            }
            else if (value === '') {
              f = function(element, attribute) {
                attribute = element.getAttribute(attribute);
                if (!attribute) return null;
                return attribute.strip();
              };
            }
            el = null;
            return f;
          })(),
          _flag: function(element, attribute) {
            return $(element).hasAttribute(attribute) ? attribute : null;
          },
          style: function(element) {
            return element.style.cssText.toLowerCase();
          },
          title: function(element) {
            return element.title;
          }
        }
      }
    }
  })();

  Element._attributeTranslations.write = {
    names: Object.extend({
      cellpadding: 'cellPadding',
      cellspacing: 'cellSpacing'
    }, Element._attributeTranslations.read.names),
    values: {
      checked: function(element, value) {
        element.checked = !!value;
      },

      style: function(element, value) {
        element.style.cssText = value ? value : '';
      }
    }
  };

  Element._attributeTranslations.has = {};

  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
      'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
  });

  (function(v) {
    Object.extend(v, {
      href:        v._getAttr2,
      src:         v._getAttr2,
      type:        v._getAttr,
      action:      v._getAttrNode,
      disabled:    v._flag,
      checked:     v._flag,
      readonly:    v._flag,
      multiple:    v._flag,
      onload:      v._getEv,
      onunload:    v._getEv,
      onclick:     v._getEv,
      ondblclick:  v._getEv,
      onmousedown: v._getEv,
      onmouseup:   v._getEv,
      onmouseover: v._getEv,
      onmousemove: v._getEv,
      onmouseout:  v._getEv,
      onfocus:     v._getEv,
      onblur:      v._getEv,
      onkeypress:  v._getEv,
      onkeydown:   v._getEv,
      onkeyup:     v._getEv,
      onsubmit:    v._getEv,
      onreset:     v._getEv,
      onselect:    v._getEv,
      onchange:    v._getEv
    });
  })(Element._attributeTranslations.read.values);

  if (Prototype.BrowserFeatures.ElementExtensions) {
    (function() {
      function _descendants(element) {
        var nodes = element.getElementsByTagName('*'), results = [];
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName !== "!") // Filter out comment nodes.
            results.push(node);
        return results;
      }

      Element.Methods.down = function(element, expression, index) {
        element = $(element);
        if (arguments.length == 1) return element.firstDescendant();
        return Object.isNumber(expression) ? _descendants(element)[expression] :
          Element.select(element, expression)[index || 0];
      }
    })();
  }

}

else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1) ? 0.999999 :
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
    return element;
  };
}

else if (Prototype.Browser.WebKit) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;

    if (value == 1)
      if(element.tagName.toUpperCase() == 'IMG' && element.width) {
        element.width++; element.width--;
      } else try {
        var n = document.createTextNode(' ');
        element.appendChild(n);
        element.removeChild(n);
      } catch (e) { }

    return element;
  };

  Element.Methods.cumulativeOffset = function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == document.body)
        if (Element.getStyle(element, 'position') == 'absolute') break;

      element = element.offsetParent;
    } while (element);

    return Element._returnOffset(valueL, valueT);
  };
}

if ('outerHTML' in document.documentElement) {
  Element.Methods.replace = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) {
      element.parentNode.replaceChild(content, element);
      return element;
    }

    content = Object.toHTML(content);
    var parent = element.parentNode, tagName = parent.tagName.toUpperCase();

    if (Element._insertionTranslations.tags[tagName]) {
      var nextSibling = element.next();
      var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
      parent.removeChild(element);
      if (nextSibling)
        fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
      else
        fragments.each(function(node) { parent.appendChild(node) });
    }
    else element.outerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

Element._returnOffset = function(l, t) {
  var result = [l, t];
  result.left = l;
  result.top = t;
  return result;
};

Element._getContentFromAnonymousElement = function(tagName, html) {
  var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
  if (t) {
    div.innerHTML = t[0] + html + t[1];
    t[2].times(function() { div = div.firstChild });
  } else div.innerHTML = html;
  return $A(div.childNodes);
};

Element._insertionTranslations = {
  before: function(element, node) {
    element.parentNode.insertBefore(node, element);
  },
  top: function(element, node) {
    element.insertBefore(node, element.firstChild);
  },
  bottom: function(element, node) {
    element.appendChild(node);
  },
  after: function(element, node) {
    element.parentNode.insertBefore(node, element.nextSibling);
  },
  tags: {
    TABLE:  ['<table>',                '</table>',                   1],
    TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
    TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
    TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
    SELECT: ['<select>',               '</select>',                  1]
  }
};

(function() {
  var tags = Element._insertionTranslations.tags;
  Object.extend(tags, {
    THEAD: tags.TBODY,
    TFOOT: tags.TBODY,
    TH:    tags.TD
  });
})();

Element.Methods.Simulated = {
  hasAttribute: function(element, attribute) {
    attribute = Element._attributeTranslations.has[attribute] || attribute;
    var node = $(element).getAttributeNode(attribute);
    return !!(node && node.specified);
  }
};

Element.Methods.ByTag = { };

Object.extend(Element, Element.Methods);

(function(div) {

  if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) {
    window.HTMLElement = { };
    window.HTMLElement.prototype = div['__proto__'];
    Prototype.BrowserFeatures.ElementExtensions = true;
  }

  div = null;

})(document.createElement('div'))

Element.extend = (function() {

  function checkDeficiency(tagName) {
    if (typeof window.Element != 'undefined') {
      var proto = window.Element.prototype;
      if (proto) {
        var id = '_' + (Math.random()+'').slice(2);
        var el = document.createElement(tagName);
        proto[id] = 'x';
        var isBuggy = (el[id] !== 'x');
        delete proto[id];
        el = null;
        return isBuggy;
      }
    }
    return false;
  }

  function extendElementWith(element, methods) {
    for (var property in methods) {
      var value = methods[property];
      if (Object.isFunction(value) && !(property in element))
        element[property] = value.methodize();
    }
  }

  var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object');

  if (Prototype.BrowserFeatures.SpecificElementExtensions) {
    if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) {
      return function(element) {
        if (element && typeof element._extendedByPrototype == 'undefined') {
          var t = element.tagName;
          if (t && (/^(?:object|applet|embed)$/i.test(t))) {
            extendElementWith(element, Element.Methods);
            extendElementWith(element, Element.Methods.Simulated);
            extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);
          }
        }
        return element;
      }
    }
    return Prototype.K;
  }

  var Methods = { }, ByTag = Element.Methods.ByTag;

  var extend = Object.extend(function(element) {
    if (!element || typeof element._extendedByPrototype != 'undefined' ||
        element.nodeType != 1 || element == window) return element;

    var methods = Object.clone(Methods),
        tagName = element.tagName.toUpperCase();

    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);

    extendElementWith(element, methods);

    element._extendedByPrototype = Prototype.emptyFunction;
    return element;

  }, {
    refresh: function() {
      if (!Prototype.BrowserFeatures.ElementExtensions) {
        Object.extend(Methods, Element.Methods);
        Object.extend(Methods, Element.Methods.Simulated);
      }
    }
  });

  extend.refresh();
  return extend;
})();

Element.hasAttribute = function(element, attribute) {
  if (element.hasAttribute) return element.hasAttribute(attribute);
  return Element.Methods.Simulated.hasAttribute(element, attribute);
};

Element.addMethods = function(methods) {
  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;

  if (!methods) {
    Object.extend(Form, Form.Methods);
    Object.extend(Form.Element, Form.Element.Methods);
    Object.extend(Element.Methods.ByTag, {
      "FORM":     Object.clone(Form.Methods),
      "INPUT":    Object.clone(Form.Element.Methods),
      "SELECT":   Object.clone(Form.Element.Methods),
      "TEXTAREA": Object.clone(Form.Element.Methods)
    });
  }

  if (arguments.length == 2) {
    var tagName = methods;
    methods = arguments[1];
  }

  if (!tagName) Object.extend(Element.Methods, methods || { });
  else {
    if (Object.isArray(tagName)) tagName.each(extend);
    else extend(tagName);
  }

  function extend(tagName) {
    tagName = tagName.toUpperCase();
    if (!Element.Methods.ByTag[tagName])
      Element.Methods.ByTag[tagName] = { };
    Object.extend(Element.Methods.ByTag[tagName], methods);
  }

  function copy(methods, destination, onlyIfAbsent) {
    onlyIfAbsent = onlyIfAbsent || false;
    for (var property in methods) {
      var value = methods[property];
      if (!Object.isFunction(value)) continue;
      if (!onlyIfAbsent || !(property in destination))
        destination[property] = value.methodize();
    }
  }

  function findDOMClass(tagName) {
    var klass;
    var trans = {
      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
      "FrameSet", "IFRAME": "IFrame"
    };
    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName.capitalize() + 'Element';
    if (window[klass]) return window[klass];

    var element = document.createElement(tagName);
    var proto = element['__proto__'] || element.constructor.prototype;
    element = null;
    return proto;
  }

  var elementPrototype = window.HTMLElement ? HTMLElement.prototype :
   Element.prototype;

  if (F.ElementExtensions) {
    copy(Element.Methods, elementPrototype);
    copy(Element.Methods.Simulated, elementPrototype, true);
  }

  if (F.SpecificElementExtensions) {
    for (var tag in Element.Methods.ByTag) {
      var klass = findDOMClass(tag);
      if (Object.isUndefined(klass)) continue;
      copy(T[tag], klass.prototype);
    }
  }

  Object.extend(Element, Element.Methods);
  delete Element.ByTag;

  if (Element.extend.refresh) Element.extend.refresh();
  Element.cache = { };
};


document.viewport = {

  getDimensions: function() {
    return { width: this.getWidth(), height: this.getHeight() };
  },

  getScrollOffsets: function() {
    return Element._returnOffset(
      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
      window.pageYOffset || document.documentElement.scrollTop  || document.body.scrollTop);
  }
};

(function(viewport) {
  var B = Prototype.Browser, doc = document, element, property = {};

  function getRootElement() {
    if (B.WebKit && !doc.evaluate)
      return document;

    if (B.Opera && window.parseFloat(window.opera.version()) < 9.5)
      return document.body;

    return document.documentElement;
  }

  function define(D) {
    if (!element) element = getRootElement();

    property[D] = 'client' + D;

    viewport['get' + D] = function() { return element[property[D]] };
    return viewport['get' + D]();
  }

  viewport.getWidth  = define.curry('Width');

  viewport.getHeight = define.curry('Height');
})(document.viewport);


Element.Storage = {
  UID: 1
};

Element.addMethods({
  getStorage: function(element) {
    if (!(element = $(element))) return;

    var uid;
    if (element === window) {
      uid = 0;
    } else {
      if (typeof element._prototypeUID === "undefined")
        element._prototypeUID = [Element.Storage.UID++];
      uid = element._prototypeUID[0];
    }

    if (!Element.Storage[uid])
      Element.Storage[uid] = $H();

    return Element.Storage[uid];
  },

  store: function(element, key, value) {
    if (!(element = $(element))) return;

    if (arguments.length === 2) {
      Element.getStorage(element).update(key);
    } else {
      Element.getStorage(element).set(key, value);
    }

    return element;
  },

  retrieve: function(element, key, defaultValue) {
    if (!(element = $(element))) return;
    var hash = Element.getStorage(element), value = hash.get(key);

    if (Object.isUndefined(value)) {
      hash.set(key, defaultValue);
      value = defaultValue;
    }

    return value;
  },

  clone: function(element, deep) {
    if (!(element = $(element))) return;
    var clone = element.cloneNode(deep);
    clone._prototypeUID = void 0;
    if (deep) {
      var descendants = Element.select(clone, '*'),
          i = descendants.length;
      while (i--) {
        descendants[i]._prototypeUID = void 0;
      }
    }
    return Element.extend(clone);
  }
});
/* Portions of the Selector class are derived from Jack Slocum's DomQuery,
 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
 * license.  Please see http://www.yui-ext.com/ for more information. */

var Selector = Class.create({
  initialize: function(expression) {
    this.expression = expression.strip();

    if (this.shouldUseSelectorsAPI()) {
      this.mode = 'selectorsAPI';
    } else if (this.shouldUseXPath()) {
      this.mode = 'xpath';
      this.compileXPathMatcher();
    } else {
      this.mode = "normal";
      this.compileMatcher();
    }

  },

  shouldUseXPath: (function() {

    var IS_DESCENDANT_SELECTOR_BUGGY = (function(){
      var isBuggy = false;
      if (document.evaluate && window.XPathResult) {
        var el = document.createElement('div');
        el.innerHTML = '<ul><li></li></ul><div><ul><li></li></ul></div>';

        var xpath = ".//*[local-name()='ul' or local-name()='UL']" +
          "//*[local-name()='li' or local-name()='LI']";

        var result = document.evaluate(xpath, el, null,
          XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);

        isBuggy = (result.snapshotLength !== 2);
        el = null;
      }
      return isBuggy;
    })();

    return function() {
      if (!Prototype.BrowserFeatures.XPath) return false;

      var e = this.expression;

      if (Prototype.Browser.WebKit &&
       (e.include("-of-type") || e.include(":empty")))
        return false;

      if ((/(\[[\w-]*?:|:checked)/).test(e))
        return false;

      if (IS_DESCENDANT_SELECTOR_BUGGY) return false;

      return true;
    }

  })(),

  shouldUseSelectorsAPI: function() {
    if (!Prototype.BrowserFeatures.SelectorsAPI) return false;

    if (Selector.CASE_INSENSITIVE_CLASS_NAMES) return false;

    if (!Selector._div) Selector._div = new Element('div');

    try {
      Selector._div.querySelector(this.expression);
    } catch(e) {
      return false;
    }

    return true;
  },

  compileMatcher: function() {
    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
        c = Selector.criteria, le, p, m, len = ps.length, name;

    if (Selector._cache[e]) {
      this.matcher = Selector._cache[e];
      return;
    }

    this.matcher = ["this.matcher = function(root) {",
                    "var r = root, h = Selector.handlers, c = false, n;"];

    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i = 0; i<len; i++) {
        p = ps[i].re;
        name = ps[i].name;
        if (m = e.match(p)) {
          this.matcher.push(Object.isFunction(c[name]) ? c[name](m) :
            new Template(c[name]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.matcher.push("return h.unique(n);\n}");
    eval(this.matcher.join('\n'));
    Selector._cache[this.expression] = this.matcher;
  },

  compileXPathMatcher: function() {
    var e = this.expression, ps = Selector.patterns,
        x = Selector.xpath, le, m, len = ps.length, name;

    if (Selector._cache[e]) {
      this.xpath = Selector._cache[e]; return;
    }

    this.matcher = ['.//*'];
    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i = 0; i<len; i++) {
        name = ps[i].name;
        if (m = e.match(ps[i].re)) {
          this.matcher.push(Object.isFunction(x[name]) ? x[name](m) :
            new Template(x[name]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.xpath = this.matcher.join('');
    Selector._cache[this.expression] = this.xpath;
  },

  findElements: function(root) {
    root = root || document;
    var e = this.expression, results;

    switch (this.mode) {
      case 'selectorsAPI':
        if (root !== document) {
          var oldId = root.id, id = $(root).identify();
          id = id.replace(/([\.:])/g, "\\$1");
          e = "#" + id + " " + e;
        }

        results = $A(root.querySelectorAll(e)).map(Element.extend);
        root.id = oldId;

        return results;
      case 'xpath':
        return document._getElementsByXPath(this.xpath, root);
      default:
       return this.matcher(root);
    }
  },

  match: function(element) {
    this.tokens = [];

    var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
    var le, p, m, len = ps.length, name;

    while (e && le !== e && (/\S/).test(e)) {
      le = e;
      for (var i = 0; i<len; i++) {
        p = ps[i].re;
        name = ps[i].name;
        if (m = e.match(p)) {
          if (as[name]) {
            this.tokens.push([name, Object.clone(m)]);
            e = e.replace(m[0], '');
          } else {
            return this.findElements(document).include(element);
          }
        }
      }
    }

    var match = true, name, matches;
    for (var i = 0, token; token = this.tokens[i]; i++) {
      name = token[0], matches = token[1];
      if (!Selector.assertions[name](element, matches)) {
        match = false; break;
      }
    }

    return match;
  },

  toString: function() {
    return this.expression;
  },

  inspect: function() {
    return "#<Selector:" + this.expression.inspect() + ">";
  }
});

if (Prototype.BrowserFeatures.SelectorsAPI &&
 document.compatMode === 'BackCompat') {
  Selector.CASE_INSENSITIVE_CLASS_NAMES = (function(){
    var div = document.createElement('div'),
     span = document.createElement('span');

    div.id = "prototype_test_id";
    span.className = 'Test';
    div.appendChild(span);
    var isIgnored = (div.querySelector('#prototype_test_id .test') !== null);
    div = span = null;
    return isIgnored;
  })();
}

Object.extend(Selector, {
  _cache: { },

  xpath: {
    descendant:   "//*",
    child:        "/*",
    adjacent:     "/following-sibling::*[1]",
    laterSibling: '/following-sibling::*',
    tagName:      function(m) {
      if (m[1] == '*') return '';
      return "[local-name()='" + m[1].toLowerCase() +
             "' or local-name()='" + m[1].toUpperCase() + "']";
    },
    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
    id:           "[@id='#{1}']",
    attrPresence: function(m) {
      m[1] = m[1].toLowerCase();
      return new Template("[@#{1}]").evaluate(m);
    },
    attr: function(m) {
      m[1] = m[1].toLowerCase();
      m[3] = m[5] || m[6];
      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
    },
    pseudo: function(m) {
      var h = Selector.xpath.pseudos[m[1]];
      if (!h) return '';
      if (Object.isFunction(h)) return h(m);
      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
    },
    operators: {
      '=':  "[@#{1}='#{3}']",
      '!=': "[@#{1}!='#{3}']",
      '^=': "[starts-with(@#{1}, '#{3}')]",
      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
      '*=': "[contains(@#{1}, '#{3}')]",
      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
    },
    pseudos: {
      'first-child': '[not(preceding-sibling::*)]',
      'last-child':  '[not(following-sibling::*)]',
      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
      'empty':       "[count(*) = 0 and (count(text()) = 0)]",
      'checked':     "[@checked]",
      'disabled':    "[(@disabled) and (@type!='hidden')]",
      'enabled':     "[not(@disabled) and (@type!='hidden')]",
      'not': function(m) {
        var e = m[6], p = Selector.patterns,
            x = Selector.xpath, le, v, len = p.length, name;

        var exclusion = [];
        while (e && le != e && (/\S/).test(e)) {
          le = e;
          for (var i = 0; i<len; i++) {
            name = p[i].name
            if (m = e.match(p[i].re)) {
              v = Object.isFunction(x[name]) ? x[name](m) : new Template(x[name]).evaluate(m);
              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
              e = e.replace(m[0], '');
              break;
            }
          }
        }
        return "[not(" + exclusion.join(" and ") + ")]";
      },
      'nth-child':      function(m) {
        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
      },
      'nth-last-child': function(m) {
        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
      },
      'nth-of-type':    function(m) {
        return Selector.xpath.pseudos.nth("position() ", m);
      },
      'nth-last-of-type': function(m) {
        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
      },
      'first-of-type':  function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
      },
      'last-of-type':   function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
      },
      'only-of-type':   function(m) {
        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
      },
      nth: function(fragment, m) {
        var mm, formula = m[6], predicate;
        if (formula == 'even') formula = '2n+0';
        if (formula == 'odd')  formula = '2n+1';
        if (mm = formula.match(/^(\d+)$/)) // digit only
          return '[' + fragment + "= " + mm[1] + ']';
        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
          if (mm[1] == "-") mm[1] = -1;
          var a = mm[1] ? Number(mm[1]) : 1;
          var b = mm[2] ? Number(mm[2]) : 0;
          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
          "((#{fragment} - #{b}) div #{a} >= 0)]";
          return new Template(predicate).evaluate({
            fragment: fragment, a: a, b: b });
        }
      }
    }
  },

  criteria: {
    tagName:      'n = h.tagName(n, r, "#{1}", c);      c = false;',
    className:    'n = h.className(n, r, "#{1}", c);    c = false;',
    id:           'n = h.id(n, r, "#{1}", c);           c = false;',
    attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
    attr: function(m) {
      m[3] = (m[5] || m[6]);
      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
    },
    pseudo: function(m) {
      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
    },
    descendant:   'c = "descendant";',
    child:        'c = "child";',
    adjacent:     'c = "adjacent";',
    laterSibling: 'c = "laterSibling";'
  },

  patterns: [
    { name: 'laterSibling', re: /^\s*~\s*/ },
    { name: 'child',        re: /^\s*>\s*/ },
    { name: 'adjacent',     re: /^\s*\+\s*/ },
    { name: 'descendant',   re: /^\s/ },

    { name: 'tagName',      re: /^\s*(\*|[\w\-]+)(\b|$)?/ },
    { name: 'id',           re: /^#([\w\-\*]+)(\b|$)/ },
    { name: 'className',    re: /^\.([\w\-\*]+)(\b|$)/ },
    { name: 'pseudo',       re: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/ },
    { name: 'attrPresence', re: /^\[((?:[\w-]+:)?[\w-]+)\]/ },
    { name: 'attr',         re: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ }
  ],

  assertions: {
    tagName: function(element, matches) {
      return matches[1].toUpperCase() == element.tagName.toUpperCase();
    },

    className: function(element, matches) {
      return Element.hasClassName(element, matches[1]);
    },

    id: function(element, matches) {
      return element.id === matches[1];
    },

    attrPresence: function(element, matches) {
      return Element.hasAttribute(element, matches[1]);
    },

    attr: function(element, matches) {
      var nodeValue = Element.readAttribute(element, matches[1]);
      return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
    }
  },

  handlers: {
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        a.push(node);
      return a;
    },

    mark: function(nodes) {
      var _true = Prototype.emptyFunction;
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = _true;
      return nodes;
    },

    unmark: (function(){

      var PROPERTIES_ATTRIBUTES_MAP = (function(){
        var el = document.createElement('div'),
            isBuggy = false,
            propName = '_countedByPrototype',
            value = 'x'
        el[propName] = value;
        isBuggy = (el.getAttribute(propName) === value);
        el = null;
        return isBuggy;
      })();

      return PROPERTIES_ATTRIBUTES_MAP ?
        function(nodes) {
          for (var i = 0, node; node = nodes[i]; i++)
            node.removeAttribute('_countedByPrototype');
          return nodes;
        } :
        function(nodes) {
          for (var i = 0, node; node = nodes[i]; i++)
            node._countedByPrototype = void 0;
          return nodes;
        }
    })(),

    index: function(parentNode, reverse, ofType) {
      parentNode._countedByPrototype = Prototype.emptyFunction;
      if (reverse) {
        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
          var node = nodes[i];
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
        }
      } else {
        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
      }
    },

    unique: function(nodes) {
      if (nodes.length == 0) return nodes;
      var results = [], n;
      for (var i = 0, l = nodes.length; i < l; i++)
        if (typeof (n = nodes[i])._countedByPrototype == 'undefined') {
          n._countedByPrototype = Prototype.emptyFunction;
          results.push(Element.extend(n));
        }
      return Selector.handlers.unmark(results);
    },

    descendant: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, node.getElementsByTagName('*'));
      return results;
    },

    child: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        for (var j = 0, child; child = node.childNodes[j]; j++)
          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
      }
      return results;
    },

    adjacent: function(nodes) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        var next = this.nextElementSibling(node);
        if (next) results.push(next);
      }
      return results;
    },

    laterSibling: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, Element.nextSiblings(node));
      return results;
    },

    nextElementSibling: function(node) {
      while (node = node.nextSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    previousElementSibling: function(node) {
      while (node = node.previousSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    tagName: function(nodes, root, tagName, combinator) {
      var uTagName = tagName.toUpperCase();
      var results = [], h = Selector.handlers;
      if (nodes) {
        if (combinator) {
          if (combinator == "descendant") {
            for (var i = 0, node; node = nodes[i]; i++)
              h.concat(results, node.getElementsByTagName(tagName));
            return results;
          } else nodes = this[combinator](nodes);
          if (tagName == "*") return nodes;
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName.toUpperCase() === uTagName) results.push(node);
        return results;
      } else return root.getElementsByTagName(tagName);
    },

    id: function(nodes, root, id, combinator) {
      var targetNode = $(id), h = Selector.handlers;

      if (root == document) {
        if (!targetNode) return [];
        if (!nodes) return [targetNode];
      } else {
        if (!root.sourceIndex || root.sourceIndex < 1) {
          var nodes = root.getElementsByTagName('*');
          for (var j = 0, node; node = nodes[j]; j++) {
            if (node.id === id) return [node];
          }
        }
      }

      if (nodes) {
        if (combinator) {
          if (combinator == 'child') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (targetNode.parentNode == node) return [targetNode];
          } else if (combinator == 'descendant') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Element.descendantOf(targetNode, node)) return [targetNode];
          } else if (combinator == 'adjacent') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Selector.handlers.previousElementSibling(targetNode) == node)
                return [targetNode];
          } else nodes = h[combinator](nodes);
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node == targetNode) return [targetNode];
        return [];
      }
      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
    },

    className: function(nodes, root, className, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      return Selector.handlers.byClassName(nodes, root, className);
    },

    byClassName: function(nodes, root, className) {
      if (!nodes) nodes = Selector.handlers.descendant([root]);
      var needle = ' ' + className + ' ';
      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
        nodeClassName = node.className;
        if (nodeClassName.length == 0) continue;
        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
          results.push(node);
      }
      return results;
    },

    attrPresence: function(nodes, root, attr, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var results = [];
      for (var i = 0, node; node = nodes[i]; i++)
        if (Element.hasAttribute(node, attr)) results.push(node);
      return results;
    },

    attr: function(nodes, root, attr, value, operator, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var handler = Selector.operators[operator], results = [];
      for (var i = 0, node; node = nodes[i]; i++) {
        var nodeValue = Element.readAttribute(node, attr);
        if (nodeValue === null) continue;
        if (handler(nodeValue, value)) results.push(node);
      }
      return results;
    },

    pseudo: function(nodes, name, value, root, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      if (!nodes) nodes = root.getElementsByTagName("*");
      return Selector.pseudos[name](nodes, value, root);
    }
  },

  pseudos: {
    'first-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.previousElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'last-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.nextElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'only-child': function(nodes, value, root) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
          results.push(node);
      return results;
    },
    'nth-child':        function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root);
    },
    'nth-last-child':   function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true);
    },
    'nth-of-type':      function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, false, true);
    },
    'nth-last-of-type': function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true, true);
    },
    'first-of-type':    function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, false, true);
    },
    'last-of-type':     function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, true, true);
    },
    'only-of-type':     function(nodes, formula, root) {
      var p = Selector.pseudos;
      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
    },

    getIndices: function(a, b, total) {
      if (a == 0) return b > 0 ? [b] : [];
      return $R(1, total).inject([], function(memo, i) {
        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
        return memo;
      });
    },

    nth: function(nodes, formula, root, reverse, ofType) {
      if (nodes.length == 0) return [];
      if (formula == 'even') formula = '2n+0';
      if (formula == 'odd')  formula = '2n+1';
      var h = Selector.handlers, results = [], indexed = [], m;
      h.mark(nodes);
      for (var i = 0, node; node = nodes[i]; i++) {
        if (!node.parentNode._countedByPrototype) {
          h.index(node.parentNode, reverse, ofType);
          indexed.push(node.parentNode);
        }
      }
      if (formula.match(/^\d+$/)) { // just a number
        formula = Number(formula);
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.nodeIndex == formula) results.push(node);
      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
        if (m[1] == "-") m[1] = -1;
        var a = m[1] ? Number(m[1]) : 1;
        var b = m[2] ? Number(m[2]) : 0;
        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
          for (var j = 0; j < l; j++)
            if (node.nodeIndex == indices[j]) results.push(node);
        }
      }
      h.unmark(nodes);
      h.unmark(indexed);
      return results;
    },

    'empty': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (node.tagName == '!' || node.firstChild) continue;
        results.push(node);
      }
      return results;
    },

    'not': function(nodes, selector, root) {
      var h = Selector.handlers, selectorType, m;
      var exclusions = new Selector(selector).findElements(root);
      h.mark(exclusions);
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node._countedByPrototype) results.push(node);
      h.unmark(exclusions);
      return results;
    },

    'enabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node.disabled && (!node.type || node.type !== 'hidden'))
          results.push(node);
      return results;
    },

    'disabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.disabled) results.push(node);
      return results;
    },

    'checked': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.checked) results.push(node);
      return results;
    }
  },

  operators: {
    '=':  function(nv, v) { return nv == v; },
    '!=': function(nv, v) { return nv != v; },
    '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); },
    '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
    '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
    '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
     '-').include('-' + (v || "").toUpperCase() + '-'); }
  },

  split: function(expression) {
    var expressions = [];
    expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
      expressions.push(m[1].strip());
    });
    return expressions;
  },

  matchElements: function(elements, expression) {
    var matches = $$(expression), h = Selector.handlers;
    h.mark(matches);
    for (var i = 0, results = [], element; element = elements[i]; i++)
      if (element._countedByPrototype) results.push(element);
    h.unmark(matches);
    return results;
  },

  findElement: function(elements, expression, index) {
    if (Object.isNumber(expression)) {
      index = expression; expression = false;
    }
    return Selector.matchElements(elements, expression || '*')[index || 0];
  },

  findChildElements: function(element, expressions) {
    expressions = Selector.split(expressions.join(','));
    var results = [], h = Selector.handlers;
    for (var i = 0, l = expressions.length, selector; i < l; i++) {
      selector = new Selector(expressions[i].strip());
      h.concat(results, selector.findElements(element));
    }
    return (l > 1) ? h.unique(results) : results;
  }
});

if (Prototype.Browser.IE) {
  Object.extend(Selector.handlers, {
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        if (node.tagName !== "!") a.push(node);
      return a;
    }
  });
}

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}

var Form = {
  reset: function(form) {
    form = $(form);
    form.reset();
    return form;
  },

  serializeElements: function(elements, options) {
    if (typeof options != 'object') options = { hash: !!options };
    else if (Object.isUndefined(options.hash)) options.hash = true;
    var key, value, submitted = false, submit = options.submit;

    var data = elements.inject({ }, function(result, element) {
      if (!element.disabled && element.name) {
        key = element.name; value = $(element).getValue();
        if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
            submit !== false && (!submit || key == submit) && (submitted = true)))) {
          if (key in result) {
            if (!Object.isArray(result[key])) result[key] = [result[key]];
            result[key].push(value);
          }
          else result[key] = value;
        }
      }
      return result;
    });

    return options.hash ? data : Object.toQueryString(data);
  }
};

Form.Methods = {
  serialize: function(form, options) {
    return Form.serializeElements(Form.getElements(form), options);
  },

  getElements: function(form) {
    var elements = $(form).getElementsByTagName('*'),
        element,
        arr = [ ],
        serializers = Form.Element.Serializers;
    for (var i = 0; element = elements[i]; i++) {
      arr.push(element);
    }
    return arr.inject([], function(elements, child) {
      if (serializers[child.tagName.toLowerCase()])
        elements.push(Element.extend(child));
      return elements;
    })
  },

  getInputs: function(form, typeName, name) {
    form = $(form);
    var inputs = form.getElementsByTagName('input');

    if (!typeName && !name) return $A(inputs).map(Element.extend);

    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
      var input = inputs[i];
      if ((typeName && input.type != typeName) || (name && input.name != name))
        continue;
      matchingInputs.push(Element.extend(input));
    }

    return matchingInputs;
  },

  disable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('disable');
    return form;
  },

  enable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('enable');
    return form;
  },

  findFirstElement: function(form) {
    var elements = $(form).getElements().findAll(function(element) {
      return 'hidden' != element.type && !element.disabled;
    });
    var firstByIndex = elements.findAll(function(element) {
      return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
    }).sortBy(function(element) { return element.tabIndex }).first();

    return firstByIndex ? firstByIndex : elements.find(function(element) {
      return /^(?:input|select|textarea)$/i.test(element.tagName);
    });
  },

  focusFirstElement: function(form) {
    form = $(form);
    form.findFirstElement().activate();
    return form;
  },

  request: function(form, options) {
    form = $(form), options = Object.clone(options || { });

    var params = options.parameters, action = form.readAttribute('action') || '';
    if (action.blank()) action = window.location.href;
    options.parameters = form.serialize(true);

    if (params) {
      if (Object.isString(params)) params = params.toQueryParams();
      Object.extend(options.parameters, params);
    }

    if (form.hasAttribute('method') && !options.method)
      options.method = form.method;

    return new Ajax.Request(action, options);
  }
};

/*--------------------------------------------------------------------------*/


Form.Element = {
  focus: function(element) {
    $(element).focus();
    return element;
  },

  select: function(element) {
    $(element).select();
    return element;
  }
};

Form.Element.Methods = {

  serialize: function(element) {
    element = $(element);
    if (!element.disabled && element.name) {
      var value = element.getValue();
      if (value != undefined) {
        var pair = { };
        pair[element.name] = value;
        return Object.toQueryString(pair);
      }
    }
    return '';
  },

  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    return Form.Element.Serializers[method](element);
  },

  setValue: function(element, value) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    Form.Element.Serializers[method](element, value);
    return element;
  },

  clear: function(element) {
    $(element).value = '';
    return element;
  },

  present: function(element) {
    return $(element).value != '';
  },

  activate: function(element) {
    element = $(element);
    try {
      element.focus();
      if (element.select && (element.tagName.toLowerCase() != 'input' ||
          !(/^(?:button|reset|submit)$/i.test(element.type))))
        element.select();
    } catch (e) { }
    return element;
  },

  disable: function(element) {
    element = $(element);
    element.disabled = true;
    return element;
  },

  enable: function(element) {
    element = $(element);
    element.disabled = false;
    return element;
  }
};

/*--------------------------------------------------------------------------*/

var Field = Form.Element;

var $F = Form.Element.Methods.getValue;

/*--------------------------------------------------------------------------*/

Form.Element.Serializers = {
  input: function(element, value) {
    switch (element.type.toLowerCase()) {
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element, value);
      default:
        return Form.Element.Serializers.textarea(element, value);
    }
  },

  inputSelector: function(element, value) {
    if (Object.isUndefined(value)) return element.checked ? element.value : null;
    else element.checked = !!value;
  },

  textarea: function(element, value) {
    if (Object.isUndefined(value)) return element.value;
    else element.value = value;
  },

  select: function(element, value) {
    if (Object.isUndefined(value))
      return this[element.type == 'select-one' ?
        'selectOne' : 'selectMany'](element);
    else {
      var opt, currentValue, single = !Object.isArray(value);
      for (var i = 0, length = element.length; i < length; i++) {
        opt = element.options[i];
        currentValue = this.optionValue(opt);
        if (single) {
          if (currentValue == value) {
            opt.selected = true;
            return;
          }
        }
        else opt.selected = value.include(currentValue);
      }
    }
  },

  selectOne: function(element) {
    var index = element.selectedIndex;
    return index >= 0 ? this.optionValue(element.options[index]) : null;
  },

  selectMany: function(element) {
    var values, length = element.length;
    if (!length) return null;

    for (var i = 0, values = []; i < length; i++) {
      var opt = element.options[i];
      if (opt.selected) values.push(this.optionValue(opt));
    }
    return values;
  },

  optionValue: function(opt) {
    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
  }
};

/*--------------------------------------------------------------------------*/


Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
  initialize: function($super, element, frequency, callback) {
    $super(callback, frequency);
    this.element   = $(element);
    this.lastValue = this.getValue();
  },

  execute: function() {
    var value = this.getValue();
    if (Object.isString(this.lastValue) && Object.isString(value) ?
        this.lastValue != value : String(this.lastValue) != String(value)) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  }
});

Form.Element.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = Class.create({
  initialize: function(element, callback) {
    this.element  = $(element);
    this.callback = callback;

    this.lastValue = this.getValue();
    if (this.element.tagName.toLowerCase() == 'form')
      this.registerFormCallbacks();
    else
      this.registerCallback(this.element);
  },

  onElementEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  },

  registerFormCallbacks: function() {
    Form.getElements(this.element).each(this.registerCallback, this);
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          Event.observe(element, 'click', this.onElementEvent.bind(this));
          break;
        default:
          Event.observe(element, 'change', this.onElementEvent.bind(this));
          break;
      }
    }
  }
});

Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});
(function() {

  var Event = {
    KEY_BACKSPACE: 8,
    KEY_TAB:       9,
    KEY_RETURN:   13,
    KEY_ESC:      27,
    KEY_LEFT:     37,
    KEY_UP:       38,
    KEY_RIGHT:    39,
    KEY_DOWN:     40,
    KEY_DELETE:   46,
    KEY_HOME:     36,
    KEY_END:      35,
    KEY_PAGEUP:   33,
    KEY_PAGEDOWN: 34,
    KEY_INSERT:   45,

    cache: {}
  };

  var docEl = document.documentElement;
  var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl
    && 'onmouseleave' in docEl;

  var _isButton;
  if (Prototype.Browser.IE) {
    var buttonMap = { 0: 1, 1: 4, 2: 2 };
    _isButton = function(event, code) {
      return event.button === buttonMap[code];
    };
  } else if (Prototype.Browser.WebKit) {
    _isButton = function(event, code) {
      switch (code) {
        case 0: return event.which == 1 && !event.metaKey;
        case 1: return event.which == 1 && event.metaKey;
        default: return false;
      }
    };
  } else {
    _isButton = function(event, code) {
      return event.which ? (event.which === code + 1) : (event.button === code);
    };
  }

  function isLeftClick(event)   { return _isButton(event, 0) }

  function isMiddleClick(event) { return _isButton(event, 1) }

  function isRightClick(event)  { return _isButton(event, 2) }

  function element(event) {
    event = Event.extend(event);

    var node = event.target, type = event.type,
     currentTarget = event.currentTarget;

    if (currentTarget && currentTarget.tagName) {
      if (type === 'load' || type === 'error' ||
        (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
          && currentTarget.type === 'radio'))
            node = currentTarget;
    }

    if (node.nodeType == Node.TEXT_NODE)
      node = node.parentNode;

    return Element.extend(node);
  }

  function findElement(event, expression) {
    var element = Event.element(event);
    if (!expression) return element;
    var elements = [element].concat(element.ancestors());
    return Selector.findElement(elements, expression, 0);
  }

  function pointer(event) {
    return { x: pointerX(event), y: pointerY(event) };
  }

  function pointerX(event) {
    var docElement = document.documentElement,
     body = document.body || { scrollLeft: 0 };

    return event.pageX || (event.clientX +
      (docElement.scrollLeft || body.scrollLeft) -
      (docElement.clientLeft || 0));
  }

  function pointerY(event) {
    var docElement = document.documentElement,
     body = document.body || { scrollTop: 0 };

    return  event.pageY || (event.clientY +
       (docElement.scrollTop || body.scrollTop) -
       (docElement.clientTop || 0));
  }


  function stop(event) {
    Event.extend(event);
    event.preventDefault();
    event.stopPropagation();

    event.stopped = true;
  }

  Event.Methods = {
    isLeftClick: isLeftClick,
    isMiddleClick: isMiddleClick,
    isRightClick: isRightClick,

    element: element,
    findElement: findElement,

    pointer: pointer,
    pointerX: pointerX,
    pointerY: pointerY,

    stop: stop
  };


  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
    m[name] = Event.Methods[name].methodize();
    return m;
  });

  if (Prototype.Browser.IE) {
    function _relatedTarget(event) {
      var element;
      switch (event.type) {
        case 'mouseover': element = event.fromElement; break;
        case 'mouseout':  element = event.toElement;   break;
        default: return null;
      }
      return Element.extend(element);
    }

    Object.extend(methods, {
      stopPropagation: function() { this.cancelBubble = true },
      preventDefault:  function() { this.returnValue = false },
      inspect: function() { return '[object Event]' }
    });

    Event.extend = function(event, element) {
      if (!event) return false;
      if (event._extendedByPrototype) return event;

      event._extendedByPrototype = Prototype.emptyFunction;
      var pointer = Event.pointer(event);

      Object.extend(event, {
        target: event.srcElement || element,
        relatedTarget: _relatedTarget(event),
        pageX:  pointer.x,
        pageY:  pointer.y
      });

      return Object.extend(event, methods);
    };
  } else {
    Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
    Object.extend(Event.prototype, methods);
    Event.extend = Prototype.K;
  }

  function _createResponder(element, eventName, handler) {
    var registry = Element.retrieve(element, 'prototype_event_registry');

    if (Object.isUndefined(registry)) {
      CACHE.push(element);
      registry = Element.retrieve(element, 'prototype_event_registry', $H());
    }

    var respondersForEvent = registry.get(eventName);
    if (Object.isUndefined(respondersForEvent)) {
      respondersForEvent = [];
      registry.set(eventName, respondersForEvent);
    }

    if (respondersForEvent.pluck('handler').include(handler)) return false;

    var responder;
    if (eventName.include(":")) {
      responder = function(event) {
        if (Object.isUndefined(event.eventName))
          return false;

        if (event.eventName !== eventName)
          return false;

        Event.extend(event, element);
        handler.call(element, event);
      };
    } else {
      if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED &&
       (eventName === "mouseenter" || eventName === "mouseleave")) {
        if (eventName === "mouseenter" || eventName === "mouseleave") {
          responder = function(event) {
            Event.extend(event, element);

            var parent = event.relatedTarget;
            while (parent && parent !== element) {
              try { parent = parent.parentNode; }
              catch(e) { parent = element; }
            }

            if (parent === element) return;

            handler.call(element, event);
          };
        }
      } else {
        responder = function(event) {
          Event.extend(event, element);
          handler.call(element, event);
        };
      }
    }

    responder.handler = handler;
    respondersForEvent.push(responder);
    return responder;
  }

  function _destroyCache() {
    for (var i = 0, length = CACHE.length; i < length; i++) {
      Event.stopObserving(CACHE[i]);
      CACHE[i] = null;
    }
  }

  var CACHE = [];

  if (Prototype.Browser.IE)
    window.attachEvent('onunload', _destroyCache);

  if (Prototype.Browser.WebKit)
    window.addEventListener('unload', Prototype.emptyFunction, false);


  var _getDOMEventName = Prototype.K;

  if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) {
    _getDOMEventName = function(eventName) {
      var translations = { mouseenter: "mouseover", mouseleave: "mouseout" };
      return eventName in translations ? translations[eventName] : eventName;
    };
  }

  function observe(element, eventName, handler) {
    element = $(element);

    var responder = _createResponder(element, eventName, handler);

    if (!responder) return element;

    if (eventName.include(':')) {
      if (element.addEventListener)
        element.addEventListener("dataavailable", responder, false);
      else {
        element.attachEvent("ondataavailable", responder);
        element.attachEvent("onfilterchange", responder);
      }
    } else {
      var actualEventName = _getDOMEventName(eventName);

      if (element.addEventListener)
        element.addEventListener(actualEventName, responder, false);
      else
        element.attachEvent("on" + actualEventName, responder);
    }

    return element;
  }

  function stopObserving(element, eventName, handler) {
    element = $(element);

    var registry = Element.retrieve(element, 'prototype_event_registry');

    if (Object.isUndefined(registry)) return element;

    if (eventName && !handler) {
      var responders = registry.get(eventName);

      if (Object.isUndefined(responders)) return element;

      responders.each( function(r) {
        Element.stopObserving(element, eventName, r.handler);
      });
      return element;
    } else if (!eventName) {
      registry.each( function(pair) {
        var eventName = pair.key, responders = pair.value;

        responders.each( function(r) {
          Element.stopObserving(element, eventName, r.handler);
        });
      });
      return element;
    }

    var responders = registry.get(eventName);

    if (!responders) return;

    var responder = responders.find( function(r) { return r.handler === handler; });
    if (!responder) return element;

    var actualEventName = _getDOMEventName(eventName);

    if (eventName.include(':')) {
      if (element.removeEventListener)
        element.removeEventListener("dataavailable", responder, false);
      else {
        element.detachEvent("ondataavailable", responder);
        element.detachEvent("onfilterchange",  responder);
      }
    } else {
      if (element.removeEventListener)
        element.removeEventListener(actualEventName, responder, false);
      else
        element.detachEvent('on' + actualEventName, responder);
    }

    registry.set(eventName, responders.without(responder));

    return element;
  }

  function fire(element, eventName, memo, bubble) {
    element = $(element);

    if (Object.isUndefined(bubble))
      bubble = true;

    if (element == document && document.createEvent && !element.dispatchEvent)
      element = document.documentElement;

    var event;
    if (document.createEvent) {
      event = document.createEvent('HTMLEvents');
      event.initEvent('dataavailable', true, true);
    } else {
      event = document.createEventObject();
      event.eventType = bubble ? 'ondataavailable' : 'onfilterchange';
    }

    event.eventName = eventName;
    event.memo = memo || { };

    if (document.createEvent)
      element.dispatchEvent(event);
    else
      element.fireEvent(event.eventType, event);

    return Event.extend(event);
  }


  Object.extend(Event, Event.Methods);

  Object.extend(Event, {
    fire:          fire,
    observe:       observe,
    stopObserving: stopObserving
  });

  Element.addMethods({
    fire:          fire,

    observe:       observe,

    stopObserving: stopObserving
  });

  Object.extend(document, {
    fire:          fire.methodize(),

    observe:       observe.methodize(),

    stopObserving: stopObserving.methodize(),

    loaded:        false
  });

  if (window.Event) Object.extend(window.Event, Event);
  else window.Event = Event;
})();

(function() {
  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
     Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */

  var timer;

  function fireContentLoadedEvent() {
    if (document.loaded) return;
    if (timer) window.clearTimeout(timer);
    document.loaded = true;
    document.fire('dom:loaded');
  }

  function checkReadyState() {
    if (document.readyState === 'complete') {
      document.stopObserving('readystatechange', checkReadyState);
      fireContentLoadedEvent();
    }
  }

  function pollDoScroll() {
    try { document.documentElement.doScroll('left'); }
    catch(e) {
      timer = pollDoScroll.defer();
      return;
    }
    fireContentLoadedEvent();
  }

  if (document.addEventListener) {
    document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false);
  } else {
    document.observe('readystatechange', checkReadyState);
    if (window == top)
      timer = pollDoScroll.defer();
  }

  Event.observe(window, 'load', fireContentLoadedEvent);
})();

Element.addMethods();

/*------------------------------- DEPRECATED -------------------------------*/

Hash.toQueryString = Object.toQueryString;

var Toggle = { display: Element.toggle };

Element.Methods.childOf = Element.Methods.descendantOf;

var Insertion = {
  Before: function(element, content) {
    return Element.insert(element, {before:content});
  },

  Top: function(element, content) {
    return Element.insert(element, {top:content});
  },

  Bottom: function(element, content) {
    return Element.insert(element, {bottom:content});
  },

  After: function(element, content) {
    return Element.insert(element, {after:content});
  }
};

var $continue = new Error('"throw $continue" is deprecated, use "return" instead');

var Position = {
  includeScrollOffsets: false,

  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  within: function(element, x, y) {
    if (this.includeScrollOffsets)
      return this.withinIncludingScrolloffsets(element, x, y);
    this.xcomp = x;
    this.ycomp = y;
    this.offset = Element.cumulativeOffset(element);

    return (y >= this.offset[1] &&
            y <  this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x <  this.offset[0] + element.offsetWidth);
  },

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = Element.cumulativeScrollOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = Element.cumulativeOffset(element);

    return (this.ycomp >= this.offset[1] &&
            this.ycomp <  this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp <  this.offset[0] + element.offsetWidth);
  },

  overlap: function(mode, element) {
    if (!mode) return 0;
    if (mode == 'vertical')
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
    if (mode == 'horizontal')
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
  },


  cumulativeOffset: Element.Methods.cumulativeOffset,

  positionedOffset: Element.Methods.positionedOffset,

  absolutize: function(element) {
    Position.prepare();
    return Element.absolutize(element);
  },

  relativize: function(element) {
    Position.prepare();
    return Element.relativize(element);
  },

  realOffset: Element.Methods.cumulativeScrollOffset,

  offsetParent: Element.Methods.getOffsetParent,

  page: Element.Methods.viewportOffset,

  clone: function(source, target, options) {
    options = options || { };
    return Element.clonePosition(target, source, options);
  }
};

/*--------------------------------------------------------------------------*/

if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
  function iter(name) {
    return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
  }

  instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
  function(element, className) {
    className = className.toString().strip();
    var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
    return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
  } : function(element, className) {
    className = className.toString().strip();
    var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
    if (!classNames && !className) return elements;

    var nodes = $(element).getElementsByTagName('*');
    className = ' ' + className + ' ';

    for (var i = 0, child, cn; child = nodes[i]; i++) {
      if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
          (classNames && classNames.all(function(name) {
            return !name.toString().blank() && cn.include(' ' + name + ' ');
          }))))
        elements.push(Element.extend(child));
    }
    return elements;
  };

  return function(className, parentElement) {
    return $(parentElement || document.body).getElementsByClassName(className);
  };
}(Element.Methods);

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
  initialize: function(element) {
    this.element = $(element);
  },

  _each: function(iterator) {
    this.element.className.split(/\s+/).select(function(name) {
      return name.length > 0;
    })._each(iterator);
  },

  set: function(className) {
    this.element.className = className;
  },

  add: function(classNameToAdd) {
    if (this.include(classNameToAdd)) return;
    this.set($A(this).concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set($A(this).without(classNameToRemove).join(' '));
  },

  toString: function() {
    return $A(this).join(' ');
  }
};

Object.extend(Element.ClassNames.prototype, Enumerable);

/*--------------------------------------------------------------------------*/


// script.aculo.us effects.js v1.8.2, Tue Nov 18 18:30:58 +0100 2008

// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// Contributors:
//  Justin Palmer (http://encytemedia.com/)
//  Mark Pilgrim (http://diveintomark.org/)
//  Martin Bialasinki
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

// converts rgb() and #xxx to #xxxxxx format,
// returns self (or first argument) if not convertable
String.prototype.parseColor = function() {
  var color = '#';
  if (this.slice(0,4) == 'rgb(') {
    var cols = this.slice(4,this.length-1).split(',');
    var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
  } else {
    if (this.slice(0,1) == '#') {
      if (this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
      if (this.length==7) color = this.toLowerCase();
    }
  }
  return (color.length==7 ? color : (arguments[0] || this));
};

/*--------------------------------------------------------------------------*/

Element.collectTextNodes = function(element) {
  return $A($(element).childNodes).collect( function(node) {
    return (node.nodeType==3 ? node.nodeValue :
      (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
  }).flatten().join('');
};

Element.collectTextNodesIgnoreClass = function(element, className) {
  return $A($(element).childNodes).collect( function(node) {
    return (node.nodeType==3 ? node.nodeValue :
      ((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
        Element.collectTextNodesIgnoreClass(node, className) : ''));
  }).flatten().join('');
};

Element.setContentZoom = function(element, percent) {
  element = $(element);
  element.setStyle({fontSize: (percent/100) + 'em'});
  if (Prototype.Browser.WebKit) window.scrollBy(0,0);
  return element;
};

Element.getInlineOpacity = function(element){
  return $(element).style.opacity || '';
};

Element.forceRerendering = function(element) {
  try {
    element = $(element);
    var n = document.createTextNode(' ');
    element.appendChild(n);
    element.removeChild(n);
  } catch(e) { }
};

/*--------------------------------------------------------------------------*/

var Effect = {
  _elementDoesNotExistError: {
    name: 'ElementDoesNotExistError',
    message: 'The specified DOM element does not exist, but is required for this effect to operate'
  },
  Transitions: {
    linear: Prototype.K,
    sinoidal: function(pos) {
      return (-Math.cos(pos*Math.PI)/2) + .5;
    },
    reverse: function(pos) {
      return 1-pos;
    },
    flicker: function(pos) {
      var pos = ((-Math.cos(pos*Math.PI)/4) + .75) + Math.random()/4;
      return pos > 1 ? 1 : pos;
    },
    wobble: function(pos) {
      return (-Math.cos(pos*Math.PI*(9*pos))/2) + .5;
    },
    pulse: function(pos, pulses) {
      return (-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2) + .5;
    },
    spring: function(pos) {
      return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6));
    },
    none: function(pos) {
      return 0;
    },
    full: function(pos) {
      return 1;
    }
  },
  DefaultOptions: {
    duration:   1.0,   // seconds
    fps:        100,   // 100= assume 66fps max.
    sync:       false, // true for combining
    from:       0.0,
    to:         1.0,
    delay:      0.0,
    queue:      'parallel'
  },
  tagifyText: function(element) {
    var tagifyStyle = 'position:relative';
    if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';

    element = $(element);
    $A(element.childNodes).each( function(child) {
      if (child.nodeType==3) {
        child.nodeValue.toArray().each( function(character) {
          element.insertBefore(
            new Element('span', {style: tagifyStyle}).update(
              character == ' ' ? String.fromCharCode(160) : character),
              child);
        });
        Element.remove(child);
      }
    });
  },
  multiple: function(element, effect) {
    var elements;
    if (((typeof element == 'object') ||
        Object.isFunction(element)) &&
       (element.length))
      elements = element;
    else
      elements = $(element).childNodes;

    var options = Object.extend({
      speed: 0.1,
      delay: 0.0
    }, arguments[2] || { });
    var masterDelay = options.delay;

    $A(elements).each( function(element, index) {
      new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
    });
  },
  PAIRS: {
    'slide':  ['SlideDown','SlideUp'],
    'blind':  ['BlindDown','BlindUp'],
    'appear': ['Appear','Fade']
  },
  toggle: function(element, effect) {
    element = $(element);
    effect = (effect || 'appear').toLowerCase();
    var options = Object.extend({
      queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
    }, arguments[2] || { });
    Effect[element.visible() ?
      Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
  }
};

Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;

/* ------------- core effects ------------- */

Effect.ScopedQueue = Class.create(Enumerable, {
  initialize: function() {
    this.effects  = [];
    this.interval = null;
  },
  _each: function(iterator) {
    this.effects._each(iterator);
  },
  add: function(effect) {
    var timestamp = new Date().getTime();

    var position = Object.isString(effect.options.queue) ?
      effect.options.queue : effect.options.queue.position;

    switch(position) {
      case 'front':
        // move unstarted effects after this effect
        this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
            e.startOn  += effect.finishOn;
            e.finishOn += effect.finishOn;
          });
        break;
      case 'with-last':
        timestamp = this.effects.pluck('startOn').max() || timestamp;
        break;
      case 'end':
        // start effect after last queued effect has finished
        timestamp = this.effects.pluck('finishOn').max() || timestamp;
        break;
    }

    effect.startOn  += timestamp;
    effect.finishOn += timestamp;

    if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
      this.effects.push(effect);

    if (!this.interval)
      this.interval = setInterval(this.loop.bind(this), 15);
  },
  remove: function(effect) {
    this.effects = this.effects.reject(function(e) { return e==effect });
    if (this.effects.length == 0) {
      clearInterval(this.interval);
      this.interval = null;
    }
  },
  loop: function() {
    var timePos = new Date().getTime();
    for(var i=0, len=this.effects.length;i<len;i++)
      this.effects[i] && this.effects[i].loop(timePos);
  }
});

Effect.Queues = {
  instances: $H(),
  get: function(queueName) {
    if (!Object.isString(queueName)) return queueName;

    return this.instances.get(queueName) ||
      this.instances.set(queueName, new Effect.ScopedQueue());
  }
};
Effect.Queue = Effect.Queues.get('global');

Effect.Base = Class.create({
  position: null,
  start: function(options) {
    function codeForEvent(options,eventName){
      return (
        (options[eventName+'Internal'] ? 'this.options.'+eventName+'Internal(this);' : '') +
        (options[eventName] ? 'this.options.'+eventName+'(this);' : '')
      );
    }
    if (options && options.transition === false) options.transition = Effect.Transitions.linear;
    this.options      = Object.extend(Object.extend({ },Effect.DefaultOptions), options || { });
    this.currentFrame = 0;
    this.state        = 'idle';
    this.startOn      = this.options.delay*1000;
    this.finishOn     = this.startOn+(this.options.duration*1000);
    this.fromToDelta  = this.options.to-this.options.from;
    this.totalTime    = this.finishOn-this.startOn;
    this.totalFrames  = this.options.fps*this.options.duration;

    this.render = (function() {
      function dispatch(effect, eventName) {
        if (effect.options[eventName + 'Internal'])
          effect.options[eventName + 'Internal'](effect);
        if (effect.options[eventName])
          effect.options[eventName](effect);
      }

      return function(pos) {
        if (this.state === "idle") {
          this.state = "running";
          dispatch(this, 'beforeSetup');
          if (this.setup) this.setup();
          dispatch(this, 'afterSetup');
        }
        if (this.state === "running") {
          pos = (this.options.transition(pos) * this.fromToDelta) + this.options.from;
          this.position = pos;
          dispatch(this, 'beforeUpdate');
          if (this.update) this.update(pos);
          dispatch(this, 'afterUpdate');
        }
      };
    })();

    this.event('beforeStart');
    if (!this.options.sync)
      Effect.Queues.get(Object.isString(this.options.queue) ?
        'global' : this.options.queue.scope).add(this);
  },
  loop: function(timePos) {
    if (timePos >= this.startOn) {
      if (timePos >= this.finishOn) {
        this.render(1.0);
        this.cancel();
        this.event('beforeFinish');
        if (this.finish) this.finish();
        this.event('afterFinish');
        return;
      }
      var pos   = (timePos - this.startOn) / this.totalTime,
          frame = (pos * this.totalFrames).round();
      if (frame > this.currentFrame) {
        this.render(pos);
        this.currentFrame = frame;
      }
    }
  },
  cancel: function() {
    if (!this.options.sync)
      Effect.Queues.get(Object.isString(this.options.queue) ?
        'global' : this.options.queue.scope).remove(this);
    this.state = 'finished';
  },
  event: function(eventName) {
    if (this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
    if (this.options[eventName]) this.options[eventName](this);
  },
  inspect: function() {
    var data = $H();
    for(property in this)
      if (!Object.isFunction(this[property])) data.set(property, this[property]);
    return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
  }
});

Effect.Parallel = Class.create(Effect.Base, {
  initialize: function(effects) {
    this.effects = effects || [];
    this.start(arguments[1]);
  },
  update: function(position) {
    this.effects.invoke('render', position);
  },
  finish: function(position) {
    this.effects.each( function(effect) {
      effect.render(1.0);
      effect.cancel();
      effect.event('beforeFinish');
      if (effect.finish) effect.finish(position);
      effect.event('afterFinish');
    });
  }
});

Effect.Tween = Class.create(Effect.Base, {
  initialize: function(object, from, to) {
    object = Object.isString(object) ? $(object) : object;
    var args = $A(arguments), method = args.last(),
      options = args.length == 5 ? args[3] : null;
    this.method = Object.isFunction(method) ? method.bind(object) :
      Object.isFunction(object[method]) ? object[method].bind(object) :
      function(value) { object[method] = value };
    this.start(Object.extend({ from: from, to: to }, options || { }));
  },
  update: function(position) {
    this.method(position);
  }
});

Effect.Event = Class.create(Effect.Base, {
  initialize: function() {
    this.start(Object.extend({ duration: 0 }, arguments[0] || { }));
  },
  update: Prototype.emptyFunction
});

Effect.Opacity = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    // make this work on IE on elements without 'layout'
    if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
      this.element.setStyle({zoom: 1});
    var options = Object.extend({
      from: this.element.getOpacity() || 0.0,
      to:   1.0
    }, arguments[1] || { });
    this.start(options);
  },
  update: function(position) {
    this.element.setOpacity(position);
  }
});

Effect.Move = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      x:    0,
      y:    0,
      mode: 'relative'
    }, arguments[1] || { });
    this.start(options);
  },
  setup: function() {
    this.element.makePositioned();
    this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
    this.originalTop  = parseFloat(this.element.getStyle('top')  || '0');
    if (this.options.mode == 'absolute') {
      this.options.x = this.options.x - this.originalLeft;
      this.options.y = this.options.y - this.originalTop;
    }
  },
  update: function(position) {
    this.element.setStyle({
      left: (this.options.x  * position + this.originalLeft).round() + 'px',
      top:  (this.options.y  * position + this.originalTop).round()  + 'px'
    });
  }
});

// for backwards compatibility
Effect.MoveBy = function(element, toTop, toLeft) {
  return new Effect.Move(element,
    Object.extend({ x: toLeft, y: toTop }, arguments[3] || { }));
};

Effect.Scale = Class.create(Effect.Base, {
  initialize: function(element, percent) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      scaleX: true,
      scaleY: true,
      scaleContent: true,
      scaleFromCenter: false,
      scaleMode: 'box',        // 'box' or 'contents' or { } with provided values
      scaleFrom: 100.0,
      scaleTo:   percent
    }, arguments[2] || { });
    this.start(options);
  },
  setup: function() {
    this.restoreAfterFinish = this.options.restoreAfterFinish || false;
    this.elementPositioning = this.element.getStyle('position');

    this.originalStyle = { };
    ['top','left','width','height','fontSize'].each( function(k) {
      this.originalStyle[k] = this.element.style[k];
    }.bind(this));

    this.originalTop  = this.element.offsetTop;
    this.originalLeft = this.element.offsetLeft;

    var fontSize = this.element.getStyle('font-size') || '100%';
    ['em','px','%','pt'].each( function(fontSizeType) {
      if (fontSize.indexOf(fontSizeType)>0) {
        this.fontSize     = parseFloat(fontSize);
        this.fontSizeType = fontSizeType;
      }
    }.bind(this));

    this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;

    this.dims = null;
    if (this.options.scaleMode=='box')
      this.dims = [this.element.offsetHeight, this.element.offsetWidth];
    if (/^content/.test(this.options.scaleMode))
      this.dims = [this.element.scrollHeight, this.element.scrollWidth];
    if (!this.dims)
      this.dims = [this.options.scaleMode.originalHeight,
                   this.options.scaleMode.originalWidth];
  },
  update: function(position) {
    var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
    if (this.options.scaleContent && this.fontSize)
      this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
    this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
  },
  finish: function(position) {
    if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
  },
  setDimensions: function(height, width) {
    var d = { };
    if (this.options.scaleX) d.width = width.round() + 'px';
    if (this.options.scaleY) d.height = height.round() + 'px';
    if (this.options.scaleFromCenter) {
      var topd  = (height - this.dims[0])/2;
      var leftd = (width  - this.dims[1])/2;
      if (this.elementPositioning == 'absolute') {
        if (this.options.scaleY) d.top = this.originalTop-topd + 'px';
        if (this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
      } else {
        if (this.options.scaleY) d.top = -topd + 'px';
        if (this.options.scaleX) d.left = -leftd + 'px';
      }
    }
    this.element.setStyle(d);
  }
});

Effect.Highlight = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || { });
    this.start(options);
  },
  setup: function() {
    // Prevent executing on elements not in the layout flow
    if (this.element.getStyle('display')=='none') { this.cancel(); return; }
    // Disable background image during the effect
    this.oldStyle = { };
    if (!this.options.keepBackgroundImage) {
      this.oldStyle.backgroundImage = this.element.getStyle('background-image');
      this.element.setStyle({backgroundImage: 'none'});
    }
    if (!this.options.endcolor)
      this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
    if (!this.options.restorecolor)
      this.options.restorecolor = this.element.getStyle('background-color');
    // init color calculations
    this._base  = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
    this._delta = $R(0,2).map(function(i){ return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i] }.bind(this));
  },
  update: function(position) {
    this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
      return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
  },
  finish: function() {
    this.element.setStyle(Object.extend(this.oldStyle, {
      backgroundColor: this.options.restorecolor
    }));
  }
});

Effect.ScrollTo = function(element) {
  var options = arguments[1] || { },
  scrollOffsets = document.viewport.getScrollOffsets(),
  elementOffsets = $(element).cumulativeOffset();

  if (options.offset) elementOffsets[1] += options.offset;

  return new Effect.Tween(null,
    scrollOffsets.top,
    elementOffsets[1],
    options,
    function(p){ scrollTo(scrollOffsets.left, p.round()); }
  );
};

/* ------------- combination effects ------------- */

Effect.Fade = function(element) {
  element = $(element);
  var oldOpacity = element.getInlineOpacity();
  var options = Object.extend({
    from: element.getOpacity() || 1.0,
    to:   0.0,
    afterFinishInternal: function(effect) {
      if (effect.options.to!=0) return;
      effect.element.hide().setStyle({opacity: oldOpacity});
    }
  }, arguments[1] || { });
  return new Effect.Opacity(element,options);
};

Effect.Appear = function(element) {
  element = $(element);
  var options = Object.extend({
  from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
  to:   1.0,
  // force Safari to render floated elements properly
  afterFinishInternal: function(effect) {
    effect.element.forceRerendering();
  },
  beforeSetup: function(effect) {
    effect.element.setOpacity(effect.options.from).show();
  }}, arguments[1] || { });
  return new Effect.Opacity(element,options);
};

Effect.Puff = function(element) {
  element = $(element);
  var oldStyle = {
    opacity: element.getInlineOpacity(),
    position: element.getStyle('position'),
    top:  element.style.top,
    left: element.style.left,
    width: element.style.width,
    height: element.style.height
  };
  return new Effect.Parallel(
   [ new Effect.Scale(element, 200,
      { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
     new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
     Object.extend({ duration: 1.0,
      beforeSetupInternal: function(effect) {
        Position.absolutize(effect.effects[0].element);
      },
      afterFinishInternal: function(effect) {
         effect.effects[0].element.hide().setStyle(oldStyle); }
     }, arguments[1] || { })
   );
};

Effect.BlindUp = function(element) {
  element = $(element);
  element.makeClipping();
  return new Effect.Scale(element, 0,
    Object.extend({ scaleContent: false,
      scaleX: false,
      restoreAfterFinish: true,
      afterFinishInternal: function(effect) {
        effect.element.hide().undoClipping();
      }
    }, arguments[1] || { })
  );
};

Effect.BlindDown = function(element) {
  element = $(element);
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, 100, Object.extend({
    scaleContent: false,
    scaleX: false,
    scaleFrom: 0,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makeClipping().setStyle({height: '0px'}).show();
    },
    afterFinishInternal: function(effect) {
      effect.element.undoClipping();
    }
  }, arguments[1] || { }));
};

Effect.SwitchOff = function(element) {
  element = $(element);
  var oldOpacity = element.getInlineOpacity();
  return new Effect.Appear(element, Object.extend({
    duration: 0.4,
    from: 0,
    transition: Effect.Transitions.flicker,
    afterFinishInternal: function(effect) {
      new Effect.Scale(effect.element, 1, {
        duration: 0.3, scaleFromCenter: true,
        scaleX: false, scaleContent: false, restoreAfterFinish: true,
        beforeSetup: function(effect) {
          effect.element.makePositioned().makeClipping();
        },
        afterFinishInternal: function(effect) {
          effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
        }
      });
    }
  }, arguments[1] || { }));
};

Effect.DropOut = function(element) {
  element = $(element);
  var oldStyle = {
    top: element.getStyle('top'),
    left: element.getStyle('left'),
    opacity: element.getInlineOpacity() };
  return new Effect.Parallel(
    [ new Effect.Move(element, {x: 0, y: 100, sync: true }),
      new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
    Object.extend(
      { duration: 0.5,
        beforeSetup: function(effect) {
          effect.effects[0].element.makePositioned();
        },
        afterFinishInternal: function(effect) {
          effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
        }
      }, arguments[1] || { }));
};

Effect.Shake = function(element) {
  element = $(element);
  var options = Object.extend({
    distance: 20,
    duration: 0.5
  }, arguments[1] || {});
  var distance = parseFloat(options.distance);
  var split = parseFloat(options.duration) / 10.0;
  var oldStyle = {
    top: element.getStyle('top'),
    left: element.getStyle('left') };
    return new Effect.Move(element,
      { x:  distance, y: 0, duration: split, afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) {
        effect.element.undoPositioned().setStyle(oldStyle);
  }}); }}); }}); }}); }}); }});
};

Effect.SlideDown = function(element) {
  element = $(element).cleanWhitespace();
  // SlideDown need to have the content of the element wrapped in a container element with fixed height!
  var oldInnerBottom = element.down().getStyle('bottom');
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, 100, Object.extend({
    scaleContent: false,
    scaleX: false,
    scaleFrom: window.opera ? 0 : 1,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makePositioned();
      effect.element.down().makePositioned();
      if (window.opera) effect.element.setStyle({top: ''});
      effect.element.makeClipping().setStyle({height: '0px'}).show();
    },
    afterUpdateInternal: function(effect) {
      effect.element.down().setStyle({bottom:
        (effect.dims[0] - effect.element.clientHeight) + 'px' });
    },
    afterFinishInternal: function(effect) {
      effect.element.undoClipping().undoPositioned();
      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
    }, arguments[1] || { })
  );
};

Effect.SlideUp = function(element) {
  element = $(element).cleanWhitespace();
  var oldInnerBottom = element.down().getStyle('bottom');
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, window.opera ? 0 : 1,
   Object.extend({ scaleContent: false,
    scaleX: false,
    scaleMode: 'box',
    scaleFrom: 100,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makePositioned();
      effect.element.down().makePositioned();
      if (window.opera) effect.element.setStyle({top: ''});
      effect.element.makeClipping().show();
    },
    afterUpdateInternal: function(effect) {
      effect.element.down().setStyle({bottom:
        (effect.dims[0] - effect.element.clientHeight) + 'px' });
    },
    afterFinishInternal: function(effect) {
      effect.element.hide().undoClipping().undoPositioned();
      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
    }
   }, arguments[1] || { })
  );
};

// Bug in opera makes the TD containing this element expand for a instance after finish
Effect.Squish = function(element) {
  return new Effect.Scale(element, window.opera ? 1 : 0, {
    restoreAfterFinish: true,
    beforeSetup: function(effect) {
      effect.element.makeClipping();
    },
    afterFinishInternal: function(effect) {
      effect.element.hide().undoClipping();
    }
  });
};

Effect.Grow = function(element) {
  element = $(element);
  var options = Object.extend({
    direction: 'center',
    moveTransition: Effect.Transitions.sinoidal,
    scaleTransition: Effect.Transitions.sinoidal,
    opacityTransition: Effect.Transitions.full
  }, arguments[1] || { });
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    height: element.style.height,
    width: element.style.width,
    opacity: element.getInlineOpacity() };

  var dims = element.getDimensions();
  var initialMoveX, initialMoveY;
  var moveX, moveY;

  switch (options.direction) {
    case 'top-left':
      initialMoveX = initialMoveY = moveX = moveY = 0;
      break;
    case 'top-right':
      initialMoveX = dims.width;
      initialMoveY = moveY = 0;
      moveX = -dims.width;
      break;
    case 'bottom-left':
      initialMoveX = moveX = 0;
      initialMoveY = dims.height;
      moveY = -dims.height;
      break;
    case 'bottom-right':
      initialMoveX = dims.width;
      initialMoveY = dims.height;
      moveX = -dims.width;
      moveY = -dims.height;
      break;
    case 'center':
      initialMoveX = dims.width / 2;
      initialMoveY = dims.height / 2;
      moveX = -dims.width / 2;
      moveY = -dims.height / 2;
      break;
  }

  return new Effect.Move(element, {
    x: initialMoveX,
    y: initialMoveY,
    duration: 0.01,
    beforeSetup: function(effect) {
      effect.element.hide().makeClipping().makePositioned();
    },
    afterFinishInternal: function(effect) {
      new Effect.Parallel(
        [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
          new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
          new Effect.Scale(effect.element, 100, {
            scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
            sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
        ], Object.extend({
             beforeSetup: function(effect) {
               effect.effects[0].element.setStyle({height: '0px'}).show();
             },
             afterFinishInternal: function(effect) {
               effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
             }
           }, options)
      );
    }
  });
};

Effect.Shrink = function(element) {
  element = $(element);
  var options = Object.extend({
    direction: 'center',
    moveTransition: Effect.Transitions.sinoidal,
    scaleTransition: Effect.Transitions.sinoidal,
    opacityTransition: Effect.Transitions.none
  }, arguments[1] || { });
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    height: element.style.height,
    width: element.style.width,
    opacity: element.getInlineOpacity() };

  var dims = element.getDimensions();
  var moveX, moveY;

  switch (options.direction) {
    case 'top-left':
      moveX = moveY = 0;
      break;
    case 'top-right':
      moveX = dims.width;
      moveY = 0;
      break;
    case 'bottom-left':
      moveX = 0;
      moveY = dims.height;
      break;
    case 'bottom-right':
      moveX = dims.width;
      moveY = dims.height;
      break;
    case 'center':
      moveX = dims.width / 2;
      moveY = dims.height / 2;
      break;
  }

  return new Effect.Parallel(
    [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
      new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
      new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
    ], Object.extend({
         beforeStartInternal: function(effect) {
           effect.effects[0].element.makePositioned().makeClipping();
         },
         afterFinishInternal: function(effect) {
           effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
       }, options)
  );
};

Effect.Pulsate = function(element) {
  element = $(element);
  var options    = arguments[1] || { },
    oldOpacity = element.getInlineOpacity(),
    transition = options.transition || Effect.Transitions.linear,
    reverser   = function(pos){
      return 1 - transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2) + .5);
    };

  return new Effect.Opacity(element,
    Object.extend(Object.extend({  duration: 2.0, from: 0,
      afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
    }, options), {transition: reverser}));
};

Effect.Fold = function(element) {
  element = $(element);
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    width: element.style.width,
    height: element.style.height };
  element.makeClipping();
  return new Effect.Scale(element, 5, Object.extend({
    scaleContent: false,
    scaleX: false,
    afterFinishInternal: function(effect) {
    new Effect.Scale(element, 1, {
      scaleContent: false,
      scaleY: false,
      afterFinishInternal: function(effect) {
        effect.element.hide().undoClipping().setStyle(oldStyle);
      } });
  }}, arguments[1] || { }));
};

Effect.Morph = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      style: { }
    }, arguments[1] || { });

    if (!Object.isString(options.style)) this.style = $H(options.style);
    else {
      if (options.style.include(':'))
        this.style = options.style.parseStyle();
      else {
        this.element.addClassName(options.style);
        this.style = $H(this.element.getStyles());
        this.element.removeClassName(options.style);
        var css = this.element.getStyles();
        this.style = this.style.reject(function(style) {
          return style.value == css[style.key];
        });
        options.afterFinishInternal = function(effect) {
          effect.element.addClassName(effect.options.style);
          effect.transforms.each(function(transform) {
            effect.element.style[transform.style] = '';
          });
        };
      }
    }
    this.start(options);
  },

  setup: function(){
    function parseColor(color){
      if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
      color = color.parseColor();
      return $R(0,2).map(function(i){
        return parseInt( color.slice(i*2+1,i*2+3), 16 );
      });
    }
    this.transforms = this.style.map(function(pair){
      var property = pair[0], value = pair[1], unit = null;

      if (value.parseColor('#zzzzzz') != '#zzzzzz') {
        value = value.parseColor();
        unit  = 'color';
      } else if (property == 'opacity') {
        value = parseFloat(value);
        if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
          this.element.setStyle({zoom: 1});
      } else if (Element.CSS_LENGTH.test(value)) {
          var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
          value = parseFloat(components[1]);
          unit = (components.length == 3) ? components[2] : null;
      }

      var originalValue = this.element.getStyle(property);
      return {
        style: property.camelize(),
        originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
        targetValue: unit=='color' ? parseColor(value) : value,
        unit: unit
      };
    }.bind(this)).reject(function(transform){
      return (
        (transform.originalValue == transform.targetValue) ||
        (
          transform.unit != 'color' &&
          (isNaN(transform.originalValue) || isNaN(transform.targetValue))
        )
      );
    });
  },
  update: function(position) {
    var style = { }, transform, i = this.transforms.length;
    while(i--)
      style[(transform = this.transforms[i]).style] =
        transform.unit=='color' ? '#'+
          (Math.round(transform.originalValue[0]+
            (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
          (Math.round(transform.originalValue[1]+
            (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
          (Math.round(transform.originalValue[2]+
            (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
        (transform.originalValue +
          (transform.targetValue - transform.originalValue) * position).toFixed(3) +
            (transform.unit === null ? '' : transform.unit);
    this.element.setStyle(style, true);
  }
});

Effect.Transform = Class.create({
  initialize: function(tracks){
    this.tracks  = [];
    this.options = arguments[1] || { };
    this.addTracks(tracks);
  },
  addTracks: function(tracks){
    tracks.each(function(track){
      track = $H(track);
      var data = track.values().first();
      this.tracks.push($H({
        ids:     track.keys().first(),
        effect:  Effect.Morph,
        options: { style: data }
      }));
    }.bind(this));
    return this;
  },
  play: function(){
    return new Effect.Parallel(
      this.tracks.map(function(track){
        var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
        var elements = [$(ids) || $$(ids)].flatten();
        return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) });
      }).flatten(),
      this.options
    );
  }
});

Element.CSS_PROPERTIES = $w(
  'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
  'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
  'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
  'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
  'fontSize fontWeight height left letterSpacing lineHeight ' +
  'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
  'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
  'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
  'right textIndent top width wordSpacing zIndex');

Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;

String.__parseStyleElement = document.createElement('div');
String.prototype.parseStyle = function(){
  var style, styleRules = $H();
  if (Prototype.Browser.WebKit)
    style = new Element('div',{style:this}).style;
  else {
    String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
    style = String.__parseStyleElement.childNodes[0].style;
  }

  Element.CSS_PROPERTIES.each(function(property){
    if (style[property]) styleRules.set(property, style[property]);
  });

  if (Prototype.Browser.IE && this.include('opacity'))
    styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);

  return styleRules;
};

if (document.defaultView && document.defaultView.getComputedStyle) {
  Element.getStyles = function(element) {
    var css = document.defaultView.getComputedStyle($(element), null);
    return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
      styles[property] = css[property];
      return styles;
    });
  };
} else {
  Element.getStyles = function(element) {
    element = $(element);
    var css = element.currentStyle, styles;
    styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
      results[property] = css[property];
      return results;
    });
    if (!styles.opacity) styles.opacity = element.getOpacity();
    return styles;
  };
}

Effect.Methods = {
  morph: function(element, style) {
    element = $(element);
    new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
    return element;
  },
  visualEffect: function(element, effect, options) {
    element = $(element);
    var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
    new Effect[klass](element, options);
    return element;
  },
  highlight: function(element, options) {
    element = $(element);
    new Effect.Highlight(element, options);
    return element;
  }
};

$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
  'pulsate shake puff squish switchOff dropOut').each(
  function(effect) {
    Effect.Methods[effect] = function(element, options){
      element = $(element);
      Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
      return element;
    };
  }
);

$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
  function(f) { Effect.Methods[f] = Element[f]; }
);

Element.addMethods(Effect.Methods);

// script.aculo.us dragdrop.js v1.8.2, Tue Nov 18 18:30:58 +0100 2008

// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//           (c) 2005-2008 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz)
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

if(Object.isUndefined(Effect))
  throw("dragdrop.js requires including script.aculo.us' effects.js library");

var Droppables = {
  drops: [],

  remove: function(element) {
    this.drops = this.drops.reject(function(d) { return d.element==$(element) });
  },

  add: function(element) {
    element = $(element);
    var options = Object.extend({
      greedy:     true,
      hoverclass: null,
      tree:       false
    }, arguments[1] || { });

    // cache containers
    if(options.containment) {
      options._containers = [];
      var containment = options.containment;
      if(Object.isArray(containment)) {
        containment.each( function(c) { options._containers.push($(c)) });
      } else {
        options._containers.push($(containment));
      }
    }

    if(options.accept) options.accept = [options.accept].flatten();

    Element.makePositioned(element); // fix IE
    options.element = element;

    this.drops.push(options);
  },

  findDeepestChild: function(drops) {
    deepest = drops[0];

    for (i = 1; i < drops.length; ++i)
      if (Element.isParent(drops[i].element, deepest.element))
        deepest = drops[i];

    return deepest;
  },

  isContained: function(element, drop) {
    var containmentNode;
    if(drop.tree) {
      containmentNode = element.treeNode;
    } else {
      containmentNode = element.parentNode;
    }
    return drop._containers.detect(function(c) { return containmentNode == c });
  },

  isAffected: function(point, element, drop) {
    return (
      (drop.element!=element) &&
      ((!drop._containers) ||
        this.isContained(element, drop)) &&
      ((!drop.accept) ||
        (Element.classNames(element).detect(
          function(v) { return drop.accept.include(v) } ) )) &&
      Position.within(drop.element, point[0], point[1]) );
  },

  deactivate: function(drop) {
    if(drop.hoverclass)
      Element.removeClassName(drop.element, drop.hoverclass);
    this.last_active = null;
  },

  activate: function(drop) {
    if(drop.hoverclass)
      Element.addClassName(drop.element, drop.hoverclass);
    this.last_active = drop;
  },

  show: function(point, element) {
    if(!this.drops.length) return;
    var drop, affected = [];

    this.drops.each( function(drop) {
      if(Droppables.isAffected(point, element, drop))
        affected.push(drop);
    });

    if(affected.length>0)
      drop = Droppables.findDeepestChild(affected);

    if(this.last_active && this.last_active != drop) this.deactivate(this.last_active);
    if (drop) {
      Position.within(drop.element, point[0], point[1]);
      if(drop.onHover)
        drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));

      if (drop != this.last_active) Droppables.activate(drop);
    }
  },

  fire: function(event, element) {
    if(!this.last_active) return;
    Position.prepare();

    if (this.isAffected([Event.pointerX(event), Event.pointerY(event)], element, this.last_active))
      if (this.last_active.onDrop) {
        this.last_active.onDrop(element, this.last_active.element, event);
        return true;
      }
  },

  reset: function() {
    if(this.last_active)
      this.deactivate(this.last_active);
  }
};

var Draggables = {
  drags: [],
  observers: [],

  register: function(draggable) {
    if(this.drags.length == 0) {
      this.eventMouseUp   = this.endDrag.bindAsEventListener(this);
      this.eventMouseMove = this.updateDrag.bindAsEventListener(this);
      this.eventKeypress  = this.keyPress.bindAsEventListener(this);

      Event.observe(document, "mouseup", this.eventMouseUp);
      Event.observe(document, "mousemove", this.eventMouseMove);
      Event.observe(document, "keypress", this.eventKeypress);
    }
    this.drags.push(draggable);
  },

  unregister: function(draggable) {
    this.drags = this.drags.reject(function(d) { return d==draggable });
    if(this.drags.length == 0) {
      Event.stopObserving(document, "mouseup", this.eventMouseUp);
      Event.stopObserving(document, "mousemove", this.eventMouseMove);
      Event.stopObserving(document, "keypress", this.eventKeypress);
    }
  },

  activate: function(draggable) {
    if(draggable.options.delay) {
      this._timeout = setTimeout(function() {
        Draggables._timeout = null;
        window.focus();
        Draggables.activeDraggable = draggable;
      }.bind(this), draggable.options.delay);
    } else {
      window.focus(); // allows keypress events if window isn't currently focused, fails for Safari
      this.activeDraggable = draggable;
    }
  },

  deactivate: function() {
    this.activeDraggable = null;
  },

  updateDrag: function(event) {
    if(!this.activeDraggable) return;
    var pointer = [Event.pointerX(event), Event.pointerY(event)];
    // Mozilla-based browsers fire successive mousemove events with
    // the same coordinates, prevent needless redrawing (moz bug?)
    if(this._lastPointer && (this._lastPointer.inspect() == pointer.inspect())) return;
    this._lastPointer = pointer;

    this.activeDraggable.updateDrag(event, pointer);
  },

  endDrag: function(event) {
    if(this._timeout) {
      clearTimeout(this._timeout);
      this._timeout = null;
    }
    if(!this.activeDraggable) return;
    this._lastPointer = null;
    this.activeDraggable.endDrag(event);
    this.activeDraggable = null;
  },

  keyPress: function(event) {
    if(this.activeDraggable)
      this.activeDraggable.keyPress(event);
  },

  addObserver: function(observer) {
    this.observers.push(observer);
    this._cacheObserverCallbacks();
  },

  removeObserver: function(element) {  // element instead of observer fixes mem leaks
    this.observers = this.observers.reject( function(o) { return o.element==element });
    this._cacheObserverCallbacks();
  },

  notify: function(eventName, draggable, event) {  // 'onStart', 'onEnd', 'onDrag'
    if(this[eventName+'Count'] > 0)
      this.observers.each( function(o) {
        if(o[eventName]) o[eventName](eventName, draggable, event);
      });
    if(draggable.options[eventName]) draggable.options[eventName](draggable, event);
  },

  _cacheObserverCallbacks: function() {
    ['onStart','onEnd','onDrag'].each( function(eventName) {
      Draggables[eventName+'Count'] = Draggables.observers.select(
        function(o) { return o[eventName]; }
      ).length;
    });
  }
};

/*--------------------------------------------------------------------------*/

var Draggable = Class.create({
  initialize: function(element) {
    var defaults = {
      handle: false,
      reverteffect: function(element, top_offset, left_offset) {
        var dur = Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02;
        new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur,
          queue: {scope:'_draggable', position:'end'}
        });
      },
      endeffect: function(element) {
        var toOpacity = Object.isNumber(element._opacity) ? element._opacity : 1.0;
        new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity,
          queue: {scope:'_draggable', position:'end'},
          afterFinish: function(){
            Draggable._dragging[element] = false
          }
        });
      },
      zindex: 1000,
      revert: false,
      quiet: false,
      scroll: false,
      scrollSensitivity: 20,
      scrollSpeed: 15,
      snap: false,  // false, or xy or [x,y] or function(x,y){ return [x,y] }
      delay: 0
    };

    if(!arguments[1] || Object.isUndefined(arguments[1].endeffect))
      Object.extend(defaults, {
        starteffect: function(element) {
          element._opacity = Element.getOpacity(element);
          Draggable._dragging[element] = true;
          new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7});
        }
      });

    var options = Object.extend(defaults, arguments[1] || { });

    this.element = $(element);

    if(options.handle && Object.isString(options.handle))
      this.handle = this.element.down('.'+options.handle, 0);

    if(!this.handle) this.handle = $(options.handle);
    if(!this.handle) this.handle = this.element;

    if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) {
      options.scroll = $(options.scroll);
      this._isScrollChild = Element.childOf(this.element, options.scroll);
    }

    Element.makePositioned(this.element); // fix IE

    this.options  = options;
    this.dragging = false;

    this.eventMouseDown = this.initDrag.bindAsEventListener(this);
    Event.observe(this.handle, "mousedown", this.eventMouseDown);

    Draggables.register(this);
  },

  destroy: function() {
    Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);
    Draggables.unregister(this);
  },

  currentDelta: function() {
    return([
      parseInt(Element.getStyle(this.element,'left') || '0'),
      parseInt(Element.getStyle(this.element,'top') || '0')]);
  },

  initDrag: function(event) {
    if(!Object.isUndefined(Draggable._dragging[this.element]) &&
      Draggable._dragging[this.element]) return;
    if(Event.isLeftClick(event)) {
      // abort on form elements, fixes a Firefox issue
      var src = Event.element(event);
      if((tag_name = src.tagName.toUpperCase()) && (
        tag_name=='INPUT' ||
        tag_name=='SELECT' ||
        tag_name=='OPTION' ||
        tag_name=='BUTTON' ||
        tag_name=='TEXTAREA')) return;

      var pointer = [Event.pointerX(event), Event.pointerY(event)];
      var pos     = Position.cumulativeOffset(this.element);
      this.offset = [0,1].map( function(i) { return (pointer[i] - pos[i]) });

      Draggables.activate(this);
      Event.stop(event);
    }
  },

  startDrag: function(event) {
    this.dragging = true;
    if(!this.delta)
      this.delta = this.currentDelta();

    if(this.options.zindex) {
      this.originalZ = parseInt(Element.getStyle(this.element,'z-index') || 0);
      this.element.style.zIndex = this.options.zindex;
    }

    if(this.options.ghosting) {
      this._clone = this.element.cloneNode(true);
      this._originallyAbsolute = (this.element.getStyle('position') == 'absolute');
      if (!this._originallyAbsolute)
        Position.absolutize(this.element);
      this.element.parentNode.insertBefore(this._clone, this.element);
    }

    if(this.options.scroll) {
      if (this.options.scroll == window) {
        var where = this._getWindowScroll(this.options.scroll);
        this.originalScrollLeft = where.left;
        this.originalScrollTop = where.top;
      } else {
        this.originalScrollLeft = this.options.scroll.scrollLeft;
        this.originalScrollTop = this.options.scroll.scrollTop;
      }
    }

    Draggables.notify('onStart', this, event);

    if(this.options.starteffect) this.options.starteffect(this.element);
  },

  updateDrag: function(event, pointer) {
    if(!this.dragging) this.startDrag(event);

    if(!this.options.quiet){
      Position.prepare();
      Droppables.show(pointer, this.element);
    }

    Draggables.notify('onDrag', this, event);

    this.draw(pointer);
    if(this.options.change) this.options.change(this);

    if(this.options.scroll) {
      this.stopScrolling();

      var p;
      if (this.options.scroll == window) {
        with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; }
      } else {
        p = Position.page(this.options.scroll);
        p[0] += this.options.scroll.scrollLeft + Position.deltaX;
        p[1] += this.options.scroll.scrollTop + Position.deltaY;
        p.push(p[0]+this.options.scroll.offsetWidth);
        p.push(p[1]+this.options.scroll.offsetHeight);
      }
      var speed = [0,0];
      if(pointer[0] < (p[0]+this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[0]+this.options.scrollSensitivity);
      if(pointer[1] < (p[1]+this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[1]+this.options.scrollSensitivity);
      if(pointer[0] > (p[2]-this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[2]-this.options.scrollSensitivity);
      if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.scrollSensitivity);
      this.startScrolling(speed);
    }

    // fix AppleWebKit rendering
    if(Prototype.Browser.WebKit) window.scrollBy(0,0);

    Event.stop(event);
  },

  finishDrag: function(event, success) {
    this.dragging = false;

    if(this.options.quiet){
      Position.prepare();
      var pointer = [Event.pointerX(event), Event.pointerY(event)];
      Droppables.show(pointer, this.element);
    }

    if(this.options.ghosting) {
      if (!this._originallyAbsolute)
        Position.relativize(this.element);
      delete this._originallyAbsolute;
      Element.remove(this._clone);
      this._clone = null;
    }

    var dropped = false;
    if(success) {
      dropped = Droppables.fire(event, this.element);
      if (!dropped) dropped = false;
    }
    if(dropped && this.options.onDropped) this.options.onDropped(this.element);
    Draggables.notify('onEnd', this, event);

    var revert = this.options.revert;
    if(revert && Object.isFunction(revert)) revert = revert(this.element);

    var d = this.currentDelta();
    if(revert && this.options.reverteffect) {
      if (dropped == 0 || revert != 'failure')
        this.options.reverteffect(this.element,
          d[1]-this.delta[1], d[0]-this.delta[0]);
    } else {
      this.delta = d;
    }

    if(this.options.zindex)
      this.element.style.zIndex = this.originalZ;

    if(this.options.endeffect)
      this.options.endeffect(this.element);

    Draggables.deactivate(this);
    Droppables.reset();
  },

  keyPress: function(event) {
    if(event.keyCode!=Event.KEY_ESC) return;
    this.finishDrag(event, false);
    Event.stop(event);
  },

  endDrag: function(event) {
    if(!this.dragging) return;
    this.stopScrolling();
    this.finishDrag(event, true);
    Event.stop(event);
  },

  draw: function(point) {
    var pos = Position.cumulativeOffset(this.element);
    if(this.options.ghosting) {
      var r   = Position.realOffset(this.element);
      pos[0] += r[0] - Position.deltaX; pos[1] += r[1] - Position.deltaY;
    }

    var d = this.currentDelta();
    pos[0] -= d[0]; pos[1] -= d[1];

    if(this.options.scroll && (this.options.scroll != window && this._isScrollChild)) {
      pos[0] -= this.options.scroll.scrollLeft-this.originalScrollLeft;
      pos[1] -= this.options.scroll.scrollTop-this.originalScrollTop;
    }

    var p = [0,1].map(function(i){
      return (point[i]-pos[i]-this.offset[i])
    }.bind(this));

    if(this.options.snap) {
      if(Object.isFunction(this.options.snap)) {
        p = this.options.snap(p[0],p[1],this);
      } else {
      if(Object.isArray(this.options.snap)) {
        p = p.map( function(v, i) {
          return (v/this.options.snap[i]).round()*this.options.snap[i] }.bind(this));
      } else {
        p = p.map( function(v) {
          return (v/this.options.snap).round()*this.options.snap }.bind(this));
      }
    }}

    var style = this.element.style;
    if((!this.options.constraint) || (this.options.constraint=='horizontal'))
      style.left = p[0] + "px";
    if((!this.options.constraint) || (this.options.constraint=='vertical'))
      style.top  = p[1] + "px";

    if(style.visibility=="hidden") style.visibility = ""; // fix gecko rendering
  },

  stopScrolling: function() {
    if(this.scrollInterval) {
      clearInterval(this.scrollInterval);
      this.scrollInterval = null;
      Draggables._lastScrollPointer = null;
    }
  },

  startScrolling: function(speed) {
    if(!(speed[0] || speed[1])) return;
    this.scrollSpeed = [speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed];
    this.lastScrolled = new Date();
    this.scrollInterval = setInterval(this.scroll.bind(this), 10);
  },

  scroll: function() {
    var current = new Date();
    var delta = current - this.lastScrolled;
    this.lastScrolled = current;
    if(this.options.scroll == window) {
      with (this._getWindowScroll(this.options.scroll)) {
        if (this.scrollSpeed[0] || this.scrollSpeed[1]) {
          var d = delta / 1000;
          this.options.scroll.scrollTo( left + d*this.scrollSpeed[0], top + d*this.scrollSpeed[1] );
        }
      }
    } else {
      this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;
      this.options.scroll.scrollTop  += this.scrollSpeed[1] * delta / 1000;
    }

    Position.prepare();
    Droppables.show(Draggables._lastPointer, this.element);
    Draggables.notify('onDrag', this);
    if (this._isScrollChild) {
      Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer);
      Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;
      Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;
      if (Draggables._lastScrollPointer[0] < 0)
        Draggables._lastScrollPointer[0] = 0;
      if (Draggables._lastScrollPointer[1] < 0)
        Draggables._lastScrollPointer[1] = 0;
      this.draw(Draggables._lastScrollPointer);
    }

    if(this.options.change) this.options.change(this);
  },

  _getWindowScroll: function(w) {
    var T, L, W, H;
    with (w.document) {
      if (w.document.documentElement && documentElement.scrollTop) {
        T = documentElement.scrollTop;
        L = documentElement.scrollLeft;
      } else if (w.document.body) {
        T = body.scrollTop;
        L = body.scrollLeft;
      }
      if (w.innerWidth) {
        W = w.innerWidth;
        H = w.innerHeight;
      } else if (w.document.documentElement && documentElement.clientWidth) {
        W = documentElement.clientWidth;
        H = documentElement.clientHeight;
      } else {
        W = body.offsetWidth;
        H = body.offsetHeight;
      }
    }
    return { top: T, left: L, width: W, height: H };
  }
});

Draggable._dragging = { };

/*--------------------------------------------------------------------------*/

var SortableObserver = Class.create({
  initialize: function(element, observer) {
    this.element   = $(element);
    this.observer  = observer;
    this.lastValue = Sortable.serialize(this.element);
  },

  onStart: function() {
    this.lastValue = Sortable.serialize(this.element);
  },

  onEnd: function() {
    Sortable.unmark();
    if(this.lastValue != Sortable.serialize(this.element))
      this.observer(this.element)
  }
});

var Sortable = {
  SERIALIZE_RULE: /^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,

  sortables: { },

  _findRootElement: function(element) {
    while (element.tagName.toUpperCase() != "BODY") {
      if(element.id && Sortable.sortables[element.id]) return element;
      element = element.parentNode;
    }
  },

  options: function(element) {
    element = Sortable._findRootElement($(element));
    if(!element) return;
    return Sortable.sortables[element.id];
  },

  destroy: function(element){
    element = $(element);
    var s = Sortable.sortables[element.id];

    if(s) {
      Draggables.removeObserver(s.element);
      s.droppables.each(function(d){ Droppables.remove(d) });
      s.draggables.invoke('destroy');

      delete Sortable.sortables[s.element.id];
    }
  },

  create: function(element) {
    element = $(element);
    var options = Object.extend({
      element:     element,
      tag:         'li',       // assumes li children, override with tag: 'tagname'
      dropOnEmpty: false,
      tree:        false,
      treeTag:     'ul',
      overlap:     'vertical', // one of 'vertical', 'horizontal'
      constraint:  'vertical', // one of 'vertical', 'horizontal', false
      containment: element,    // also takes array of elements (or id's); or false
      handle:      false,      // or a CSS class
      only:        false,
      delay:       0,
      hoverclass:  null,
      ghosting:    false,
      quiet:       false,
      scroll:      false,
      scrollSensitivity: 20,
      scrollSpeed: 15,
      format:      this.SERIALIZE_RULE,

      // these take arrays of elements or ids and can be
      // used for better initialization performance
      elements:    false,
      handles:     false,

      onChange:    Prototype.emptyFunction,
      onUpdate:    Prototype.emptyFunction
    }, arguments[1] || { });

    // clear any old sortable with same element
    this.destroy(element);

    // build options for the draggables
    var options_for_draggable = {
      revert:      true,
      quiet:       options.quiet,
      scroll:      options.scroll,
      scrollSpeed: options.scrollSpeed,
      scrollSensitivity: options.scrollSensitivity,
      delay:       options.delay,
      ghosting:    options.ghosting,
      constraint:  options.constraint,
      handle:      options.handle };

    if(options.starteffect)
      options_for_draggable.starteffect = options.starteffect;

    if(options.reverteffect)
      options_for_draggable.reverteffect = options.reverteffect;
    else
      if(options.ghosting) options_for_draggable.reverteffect = function(element) {
        element.style.top  = 0;
        element.style.left = 0;
      };

    if(options.endeffect)
      options_for_draggable.endeffect = options.endeffect;

    if(options.zindex)
      options_for_draggable.zindex = options.zindex;

    // build options for the droppables
    var options_for_droppable = {
      overlap:     options.overlap,
      containment: options.containment,
      tree:        options.tree,
      hoverclass:  options.hoverclass,
      onHover:     Sortable.onHover
    };

    var options_for_tree = {
      onHover:      Sortable.onEmptyHover,
      overlap:      options.overlap,
      containment:  options.containment,
      hoverclass:   options.hoverclass
    };

    // fix for gecko engine
    Element.cleanWhitespace(element);

    options.draggables = [];
    options.droppables = [];

    // drop on empty handling
    if(options.dropOnEmpty || options.tree) {
      Droppables.add(element, options_for_tree);
      options.droppables.push(element);
    }

    (options.elements || this.findElements(element, options) || []).each( function(e,i) {
      var handle = options.handles ? $(options.handles[i]) :
        (options.handle ? $(e).select('.' + options.handle)[0] : e);
      options.draggables.push(
        new Draggable(e, Object.extend(options_for_draggable, { handle: handle })));
      Droppables.add(e, options_for_droppable);
      if(options.tree) e.treeNode = element;
      options.droppables.push(e);
    });

    if(options.tree) {
      (Sortable.findTreeElements(element, options) || []).each( function(e) {
        Droppables.add(e, options_for_tree);
        e.treeNode = element;
        options.droppables.push(e);
      });
    }

    // keep reference
    this.sortables[element.id] = options;

    // for onupdate
    Draggables.addObserver(new SortableObserver(element, options.onUpdate));

  },

  // return all suitable-for-sortable elements in a guaranteed order
  findElements: function(element, options) {
    return Element.findChildren(
      element, options.only, options.tree ? true : false, options.tag);
  },

  findTreeElements: function(element, options) {
    return Element.findChildren(
      element, options.only, options.tree ? true : false, options.treeTag);
  },

  onHover: function(element, dropon, overlap) {
    if(Element.isParent(dropon, element)) return;

    if(overlap > .33 && overlap < .66 && Sortable.options(dropon).tree) {
      return;
    } else if(overlap>0.5) {
      Sortable.mark(dropon, 'before');
      if(dropon.previousSibling != element) {
        var oldParentNode = element.parentNode;
        element.style.visibility = "hidden"; // fix gecko rendering
        dropon.parentNode.insertBefore(element, dropon);
        if(dropon.parentNode!=oldParentNode)
          Sortable.options(oldParentNode).onChange(element);
        Sortable.options(dropon.parentNode).onChange(element);
      }
    } else {
      Sortable.mark(dropon, 'after');
      var nextElement = dropon.nextSibling || null;
      if(nextElement != element) {
        var oldParentNode = element.parentNode;
        element.style.visibility = "hidden"; // fix gecko rendering
        dropon.parentNode.insertBefore(element, nextElement);
        if(dropon.parentNode!=oldParentNode)
          Sortable.options(oldParentNode).onChange(element);
        Sortable.options(dropon.parentNode).onChange(element);
      }
    }
  },

  onEmptyHover: function(element, dropon, overlap) {
    var oldParentNode = element.parentNode;
    var droponOptions = Sortable.options(dropon);

    if(!Element.isParent(dropon, element)) {
      var index;

      var children = Sortable.findElements(dropon, {tag: droponOptions.tag, only: droponOptions.only});
      var child = null;

      if(children) {
        var offset = Element.offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap);

        for (index = 0; index < children.length; index += 1) {
          if (offset - Element.offsetSize (children[index], droponOptions.overlap) >= 0) {
            offset -= Element.offsetSize (children[index], droponOptions.overlap);
          } else if (offset - (Element.offsetSize (children[index], droponOptions.overlap) / 2) >= 0) {
            child = index + 1 < children.length ? children[index + 1] : null;
            break;
          } else {
            child = children[index];
            break;
          }
        }
      }

      dropon.insertBefore(element, child);

      Sortable.options(oldParentNode).onChange(element);
      droponOptions.onChange(element);
    }
  },

  unmark: function() {
    if(Sortable._marker) Sortable._marker.hide();
  },

  mark: function(dropon, position) {
    // mark on ghosting only
    var sortable = Sortable.options(dropon.parentNode);
    if(sortable && !sortable.ghosting) return;

    if(!Sortable._marker) {
      Sortable._marker =
        ($('dropmarker') || Element.extend(document.createElement('DIV'))).
          hide().addClassName('dropmarker').setStyle({position:'absolute'});
      document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);
    }
    var offsets = Position.cumulativeOffset(dropon);
    Sortable._marker.setStyle({left: offsets[0]+'px', top: offsets[1] + 'px'});

    if(position=='after')
      if(sortable.overlap == 'horizontal')
        Sortable._marker.setStyle({left: (offsets[0]+dropon.clientWidth) + 'px'});
      else
        Sortable._marker.setStyle({top: (offsets[1]+dropon.clientHeight) + 'px'});

    Sortable._marker.show();
  },

  _tree: function(element, options, parent) {
    var children = Sortable.findElements(element, options) || [];

    for (var i = 0; i < children.length; ++i) {
      var match = children[i].id.match(options.format);

      if (!match) continue;

      var child = {
        id: encodeURIComponent(match ? match[1] : null),
        element: element,
        parent: parent,
        children: [],
        position: parent.children.length,
        container: $(children[i]).down(options.treeTag)
      };

      /* Get the element containing the children and recurse over it */
      if (child.container)
        this._tree(child.container, options, child);

      parent.children.push (child);
    }

    return parent;
  },

  tree: function(element) {
    element = $(element);
    var sortableOptions = this.options(element);
    var options = Object.extend({
      tag: sortableOptions.tag,
      treeTag: sortableOptions.treeTag,
      only: sortableOptions.only,
      name: element.id,
      format: sortableOptions.format
    }, arguments[1] || { });

    var root = {
      id: null,
      parent: null,
      children: [],
      container: element,
      position: 0
    };

    return Sortable._tree(element, options, root);
  },

  /* Construct a [i] index for a particular node */
  _constructIndex: function(node) {
    var index = '';
    do {
      if (node.id) index = '[' + node.position + ']' + index;
    } while ((node = node.parent) != null);
    return index;
  },

  sequence: function(element) {
    element = $(element);
    var options = Object.extend(this.options(element), arguments[1] || { });

    return $(this.findElements(element, options) || []).map( function(item) {
      return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
    });
  },

  setSequence: function(element, new_sequence) {
    element = $(element);
    var options = Object.extend(this.options(element), arguments[2] || { });

    var nodeMap = { };
    this.findElements(element, options).each( function(n) {
        if (n.id.match(options.format))
            nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode];
        n.parentNode.removeChild(n);
    });

    new_sequence.each(function(ident) {
      var n = nodeMap[ident];
      if (n) {
        n[1].appendChild(n[0]);
        delete nodeMap[ident];
      }
    });
  },

  serialize: function(element) {
    element = $(element);
    var options = Object.extend(Sortable.options(element), arguments[1] || { });
    var name = encodeURIComponent(
      (arguments[1] && arguments[1].name) ? arguments[1].name : element.id);

    if (options.tree) {
      return Sortable.tree(element, arguments[1]).children.map( function (item) {
        return [name + Sortable._constructIndex(item) + "[id]=" +
                encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
      }).flatten().join('&');
    } else {
      return Sortable.sequence(element, arguments[1]).map( function(item) {
        return name + "[]=" + encodeURIComponent(item);
      }).join('&');
    }
  }
};

// Returns true if child is contained within element
Element.isParent = function(child, element) {
  if (!child.parentNode || child == element) return false;
  if (child.parentNode == element) return true;
  return Element.isParent(child.parentNode, element);
};

Element.findChildren = function(element, only, recursive, tagName) {
  if(!element.hasChildNodes()) return null;
  tagName = tagName.toUpperCase();
  if(only) only = [only].flatten();
  var elements = [];
  $A(element.childNodes).each( function(e) {
    if(e.tagName && e.tagName.toUpperCase()==tagName &&
      (!only || (Element.classNames(e).detect(function(v) { return only.include(v) }))))
        elements.push(e);
    if(recursive) {
      var grandchildren = Element.findChildren(e, only, recursive, tagName);
      if(grandchildren) elements.push(grandchildren);
    }
  });

  return (elements.length>0 ? elements.flatten() : []);
};

Element.offsetSize = function (element, type) {
  return element['offset' + ((type=='vertical' || type=='height') ? 'Height' : 'Width')];
};

/*
 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
 * Copyright (C) 2003-2009 Frederico Caldeira Knabben
 *
 * == BEGIN LICENSE ==
 *
 * Licensed under the terms of any of the following licenses at your
 * choice:
 *
 *  - GNU General Public License Version 2 or later (the "GPL")
 *    http://www.gnu.org/licenses/gpl.html
 *
 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
 *    http://www.gnu.org/licenses/lgpl.html
 *
 *  - Mozilla Public License Version 1.1 or later (the "MPL")
 *    http://www.mozilla.org/MPL/MPL-1.1.html
 *
 * == END LICENSE ==
 *
 * This is the integration file for JavaScript.
 *
 * It defines the FCKeditor class that can be used to create editor
 * instances in a HTML page in the client side. For server side
 * operations, use the specific integration system.
 */

// FCKeditor Class
var FCKeditor = function( instanceName, width, height, toolbarSet, value )
{
	// Properties
	this.InstanceName	= instanceName ;
	this.Width			= width			|| '100%' ;
	this.Height			= height		|| '300' ;
	this.ToolbarSet		= toolbarSet	|| 'Default' ;
	this.Value			= value			|| '' ;
	this.BasePath		= FCKeditor.BasePath ;
	this.CheckBrowser	= true ;
	this.DisplayErrors	= true ;

	this.Config			= new Object() ;

	// Events
	this.OnError		= null ;	// function( source, errorNumber, errorDescription )
}

/**
 * This is the default BasePath used by all editor instances.
 */
FCKeditor.BasePath = '/fckeditor/' ;

/**
 * The minimum height used when replacing textareas.
 */
FCKeditor.MinHeight = 300 ;

/**
 * The minimum width used when replacing textareas.
 */
FCKeditor.MinWidth = 750 ;

FCKeditor.prototype.Version			= '2.6.4' ;
FCKeditor.prototype.VersionBuild	= '21629' ;

FCKeditor.prototype.Create = function()
{
	document.write( this.CreateHtml() ) ;
}

FCKeditor.prototype.CreateHtml = function()
{
	// Check for errors
	if ( !this.InstanceName || this.InstanceName.length == 0 )
	{
		this._ThrowError( 701, 'You must specify an instance name.' ) ;
		return '' ;
	}

	var sHtml = '' ;

	if ( !this.CheckBrowser || this._IsCompatibleBrowser() )
	{
		sHtml += '<input type="hidden" id="' + this.InstanceName + '" name="' + this.InstanceName + '" value="' + this._HTMLEncode( this.Value ) + '" style="display:none" />' ;
		sHtml += this._GetConfigHtml() ;
		sHtml += this._GetIFrameHtml() ;
	}
	else
	{
		var sWidth  = this.Width.toString().indexOf('%')  > 0 ? this.Width  : this.Width  + 'px' ;
		var sHeight = this.Height.toString().indexOf('%') > 0 ? this.Height : this.Height + 'px' ;

		sHtml += '<textarea name="' + this.InstanceName +
			'" rows="4" cols="40" style="width:' + sWidth +
			';height:' + sHeight ;

		if ( this.TabIndex )
			sHtml += '" tabindex="' + this.TabIndex ;

		sHtml += '">' +
			this._HTMLEncode( this.Value ) +
			'<\/textarea>' ;
	}

	return sHtml ;
}

FCKeditor.prototype.ReplaceTextarea = function()
{
	if ( document.getElementById( this.InstanceName + '___Frame' ) )
		return ;
	if ( !this.CheckBrowser || this._IsCompatibleBrowser() )
	{
		// We must check the elements firstly using the Id and then the name.
		var oTextarea = document.getElementById( this.InstanceName ) ;
		var colElementsByName = document.getElementsByName( this.InstanceName ) ;
		var i = 0;
		while ( oTextarea || i == 0 )
		{
			if ( oTextarea && oTextarea.tagName.toLowerCase() == 'textarea' )
				break ;
			oTextarea = colElementsByName[i++] ;
		}

		if ( !oTextarea )
		{
			alert( 'Error: The TEXTAREA with id or name set to "' + this.InstanceName + '" was not found' ) ;
			return ;
		}

		oTextarea.style.display = 'none' ;

		if ( oTextarea.tabIndex )
			this.TabIndex = oTextarea.tabIndex ;

		this._InsertHtmlBefore( this._GetConfigHtml(), oTextarea ) ;
		this._InsertHtmlBefore( this._GetIFrameHtml(), oTextarea ) ;
	}
}

FCKeditor.prototype._InsertHtmlBefore = function( html, element )
{
	if ( element.insertAdjacentHTML )	// IE
		element.insertAdjacentHTML( 'beforeBegin', html ) ;
	else								// Gecko
	{
		var oRange = document.createRange() ;
		oRange.setStartBefore( element ) ;
		var oFragment = oRange.createContextualFragment( html );
		element.parentNode.insertBefore( oFragment, element ) ;
	}
}

FCKeditor.prototype._GetConfigHtml = function()
{
	var sConfig = '' ;
	for ( var o in this.Config )
	{
		if ( sConfig.length > 0 ) sConfig += '&amp;' ;
		sConfig += encodeURIComponent( o ) + '=' + encodeURIComponent( this.Config[o] ) ;
	}

	return '<input type="hidden" id="' + this.InstanceName + '___Config" value="' + sConfig + '" style="display:none" />' ;
}

FCKeditor.prototype._GetIFrameHtml = function()
{
	var sFile = 'fckeditor.html' ;

	try
	{
		if ( (/fcksource=true/i).test( window.top.location.search ) )
			sFile = 'fckeditor.original.html' ;
	}
	catch (e) { /* Ignore it. Much probably we are inside a FRAME where the "top" is in another domain (security error). */ }

	var sLink = this.BasePath + 'editor/' + sFile + '?InstanceName=' + encodeURIComponent( this.InstanceName ) ;
	if (this.ToolbarSet)
		sLink += '&amp;Toolbar=' + this.ToolbarSet ;
	var html = '<iframe id="' + this.InstanceName +
		'___Frame" src="' + sLink +
		'" width="' + this.Width +
		'" height="' + this.Height ;

	if ( this.TabIndex )
		html += '" tabindex="' + this.TabIndex ;

	html += '" frameborder="0" scrolling="no"></iframe>' ;

	return html ;
}

FCKeditor.prototype._IsCompatibleBrowser = function()
{
	return FCKeditor_IsCompatibleBrowser() ;
}

FCKeditor.prototype._ThrowError = function( errorNumber, errorDescription )
{
	this.ErrorNumber		= errorNumber ;
	this.ErrorDescription	= errorDescription ;

	if ( this.DisplayErrors )
	{
		document.write( '<div style="COLOR: #ff0000">' ) ;
		document.write( '[ FCKeditor Error ' + this.ErrorNumber + ': ' + this.ErrorDescription + ' ]' ) ;
		document.write( '</div>' ) ;
	}

	if ( typeof( this.OnError ) == 'function' )
		this.OnError( this, errorNumber, errorDescription ) ;
}

FCKeditor.prototype._HTMLEncode = function( text )
{
	if ( typeof( text ) != "string" )
		text = text.toString() ;

	text = text.replace(
		/&/g, "&amp;").replace(
		/"/g, "&quot;").replace(
		/</g, "&lt;").replace(
		/>/g, "&gt;") ;

	return text ;
}

;(function()
{
	var textareaToEditor = function( textarea )
	{
		var editor = new FCKeditor( textarea.name ) ;

		editor.Width = Math.max( textarea.offsetWidth, FCKeditor.MinWidth ) ;
		editor.Height = Math.max( textarea.offsetHeight, FCKeditor.MinHeight ) ;

		return editor ;
	}

	/**
	 * Replace all <textarea> elements available in the document with FCKeditor
	 * instances.
	 *
	 *	// Replace all <textarea> elements in the page.
	 *	FCKeditor.ReplaceAllTextareas() ;
	 *
	 *	// Replace all <textarea class="myClassName"> elements in the page.
	 *	FCKeditor.ReplaceAllTextareas( 'myClassName' ) ;
	 *
	 *	// Selectively replace <textarea> elements, based on custom assertions.
	 *	FCKeditor.ReplaceAllTextareas( function( textarea, editor )
	 *		{
	 *			// Custom code to evaluate the replace, returning false if it
	 *			// must not be done.
	 *			// It also passes the "editor" parameter, so the developer can
	 *			// customize the instance.
	 *		} ) ;
	 */
	FCKeditor.ReplaceAllTextareas = function()
	{
		var textareas = document.getElementsByTagName( 'textarea' ) ;

		for ( var i = 0 ; i < textareas.length ; i++ )
		{
			var editor = null ;
			var textarea = textareas[i] ;
			var name = textarea.name ;

			// The "name" attribute must exist.
			if ( !name || name.length == 0 )
				continue ;

			if ( typeof arguments[0] == 'string' )
			{
				// The textarea class name could be passed as the function
				// parameter.

				var classRegex = new RegExp( '(?:^| )' + arguments[0] + '(?:$| )' ) ;

				if ( !classRegex.test( textarea.className ) )
					continue ;
			}
			else if ( typeof arguments[0] == 'function' )
			{
				// An assertion function could be passed as the function parameter.
				// It must explicitly return "false" to ignore a specific <textarea>.
				editor = textareaToEditor( textarea ) ;
				if ( arguments[0]( textarea, editor ) === false )
					continue ;
			}

			if ( !editor )
				editor = textareaToEditor( textarea ) ;

			editor.ReplaceTextarea() ;
		}
	}
})() ;

function FCKeditor_IsCompatibleBrowser()
{
	var sAgent = navigator.userAgent.toLowerCase() ;

	// Internet Explorer 5.5+
	if ( /*@cc_on!@*/false && sAgent.indexOf("mac") == -1 )
	{
		var sBrowserVersion = navigator.appVersion.match(/MSIE (.\..)/)[1] ;
		return ( sBrowserVersion >= 5.5 ) ;
	}

	// Gecko (Opera 9 tries to behave like Gecko at this point).
	if ( navigator.product == "Gecko" && navigator.productSub >= 20030210 && !( typeof(opera) == 'object' && opera.postError ) )
		return true ;

	// Opera 9.50+
	if ( window.opera && window.opera.version && parseFloat( window.opera.version() ) >= 9.5 )
		return true ;

	// Adobe AIR
	// Checked before Safari because AIR have the WebKit rich text editor
	// features from Safari 3.0.4, but the version reported is 420.
	if ( sAgent.indexOf( ' adobeair/' ) != -1 )
		return ( sAgent.match( / adobeair\/(\d+)/ )[1] >= 1 ) ;	// Build must be at least v1

	// Safari 3+
	if ( sAgent.indexOf( ' applewebkit/' ) != -1 )
		return ( sAgent.match( / applewebkit\/(\d+)/ )[1] >= 522 ) ;	// Build must be at least 522 (v3)

	return false ;
}


// Jester version 1.5
// Released October 25th, 2007

// Compatible, tested with Prototype 1.6.0.2

// Copyright 2007, thoughtbot, inc.
// Released under the MIT License.

// Minified wtih http://fmarcia.info/jsmin/test.html
Jester={};
Jester.Resource=function(){};Jester.Constructor=function(model){return(function CONSTRUCTOR(){this.klass=CONSTRUCTOR;this.initialize.apply(this,arguments);this.after_initialization.apply(this,arguments);}).toString().replace(/CONSTRUCTOR/g,model);}
var jesterCallback=null;Object.extend(Jester.Resource,{model:function(model,options)
{var new_model=null;new_model=eval(model+" = "+Jester.Constructor(model));new_model.prototype=new Jester.Resource();Object.extend(new_model,Jester.Resource);if(!Jester.Tree){Jester.Tree=new XML.ObjTree();Jester.Tree.attr_prefix="@";}
if(!options)options={};var default_options={format:"xml",singular:model.underscore(),name:model}
options=Object.extend(default_options,options);options.format=options.format.toLowerCase();options.plural=options.singular.pluralize(options.plural);options.singular_xml=options.singular.replace(/_/g,"-");options.plural_xml=options.plural.replace(/_/g,"-");options.remote=false;var default_prefix=window.location.protocol+"//"+window.location.hostname+(window.location.port?":"+window.location.port:"");if(options.prefix&&options.prefix.match(/^https?:/))
options.remote=true;if(!options.prefix)
options.prefix=default_prefix;if(!options.prefix.match(/^(https?|file):/))
options.prefix=default_prefix+(options.prefix.match(/^\//)?"":"/")+options.prefix;options.prefix=options.prefix.replace(/\b\/+$/,"");options.urls=Object.extend(this._default_urls(options),options.urls);new_model.name=model;new_model.options=options;for(var opt in options)
new_model["_"+opt]=options[opt];for(var url in options.urls)
eval('new_model._'+url+'_url = function(params) {return this._url_for("'+url+'", params);}');if(options.checkNew)
this.buildAttributes(new_model,options);if(window)
window[model]=new_model;return new_model;},buildAttributes:function(model,options){model=model||this;var async=options.asynchronous;if(async==null)
async=true;var buildWork=bind(model,function(doc){if(this._format=="json")
this._attributes=this._attributesFromJSON(doc);else
this._attributes=this._attributesFromTree(doc[this._singular_xml]);});model.requestAndParse(options.format,buildWork,model._new_url(),{asynchronous:async});},loadRemoteJSON:function(url,callback,user_callback){if(typeof(user_callback)=="function")
jesterCallback=function(doc){user_callback(callback(doc));}
else
jesterCallback=callback;var script=document.createElement("script");script.type="text/javascript";if(url.indexOf("?")==-1)
url+="?";else
url+="&";url+="callback=jesterCallback";script.src=url;document.firstChild.appendChild(script);},requestAndParse:function(format,callback,url,options,user_callback,remote){if(remote&&format=="json"&&user_callback)
return this.loadRemoteJSON(url,callback,user_callback)
parse_and_callback=null;if(format.toLowerCase()=="json"){parse_and_callback=function(transport){if(transport.status==500)return callback(null);eval("var attributes = "+transport.responseText);return callback(attributes);}}else{parse_and_callback=function(transport){if(transport.status==500)return callback(null);return callback(Jester.Tree.parseXML(transport.responseText));}}
if(!(options.postBody||options.parameters||options.postbody||options.method=="post")){options.method="get";}
return this.request(parse_and_callback,url,options,user_callback);},request:function(callback,url,options,user_callback){if(user_callback){options.asynchronous=true;if(typeof(user_callback)=="object"){for(var x in user_callback)
options[x]=user_callback[x];user_callback=options.onComplete;}}
else
user_callback=function(arg){return arg;}
if(options.asynchronous){options.onComplete=function(transport,json){user_callback(callback(transport),json);}
return new Ajax.Request(url,options).transport;}
else
{options.asynchronous=false;return callback(new Ajax.Request(url,options).transport);}},find:function(id,params,callback){if(!callback&&typeof(params)=="function"){callback=params;params=null;}
var findAllWork=bind(this,function(doc){if(!doc)return null;var collection=this._loadCollection(doc);if(!collection)return null;if(id=="first")
return collection[0];return collection;});var findOneWork=bind(this,function(doc){if(!doc)return null;var base=this._loadSingle(doc);if(!base||base._properties.length==0)return null;if(!base._properties.include("id"))base._setAttribute("id",parseInt(id))
return base;});if(id=="first"||id=="all"){var url=this._list_url(params);return this.requestAndParse(this._format,findAllWork,url,{},callback,this._remote);}
else{if(isNaN(parseInt(id)))return null;if(!params)params={};params.id=id;var url=this._show_url(params);return this.requestAndParse(this._format,findOneWork,url,{},callback,this._remote);}},build:function(attributes){return new this(attributes);},create:function(attributes,callback){var base=new this(attributes);createWork=bind(this,function(saved){return callback(base);});if(callback){return base.save(createWork);}
else{base.save();return base;}},destroy:function(params,callback){if(typeof(params)=="function"){callback=params;params=null;}
if(typeof(params)=="number"){params={id:params};}
params.id=params.id||this.id;if(!params.id)return false;var destroyWork=bind(this,function(transport){if(transport.status==200){if(!params.id||this.id==params.id)
this.id=null;return this;}
else
return false;});return this.request(destroyWork,this._destroy_url(params),{method:"delete"},callback);},_interpolate:function(string,params){if(!params)return string;var result=string;params.each(function(pair){var re=new RegExp(":"+pair.key,"g");if(result.match(re)){result=result.replace(re,pair.value);params.unset(pair.key);}});return result;},_url_for:function(action,params){if(!this._urls[action])return"";if(typeof(params)=="number")params={id:params}
if(params)params=$H(params);var url=this._interpolate(this._prefix+this._urls[action],params)
return url+(params&&params.any()?"?"+params.toQueryString():"");},_default_urls:function(options){urls={'show':"/"+options.plural+"/:id."+options.format,'list':"/"+options.plural+"."+options.format,'new':"/"+options.plural+"/new."+options.format}
urls.create=urls.list;urls.destroy=urls.update=urls.show;return urls;},_attributesFromJSON:function(json){if(!json||json.constructor!=Object)return false;if(json.attributes)json=json.attributes;var attributes={};var i=0;for(var attr in json){var value=json[attr];if(attr=="id")
value=parseInt(value);else if(attr.match(/(created_at|created_on|updated_at|updated_on)/)){var date=Date.parse(value);if(date&&!isNaN(date))value=date;}
attributes[attr]=value;i+=1;}
if(i==0)return false;return attributes;},_attributesFromTree:function(elements){var attributes={}
for(var attr in elements){var value=elements[attr];if(elements[attr]&&elements[attr]["@type"]){if(elements[attr]["#text"])
value=elements[attr]["#text"];else
value=undefined;}
if(!value){}
else if(typeof(value)=="string"){if(elements[attr]["@type"]=="integer"){var num=parseInt(value);if(!isNaN(num))value=num;}
else if(elements[attr]["@type"]=="boolean")
value=(value=="true");else if(elements[attr]["@type"]=="datetime"){var date=Date.parse(value);if(!isNaN(date))value=date;}}
else{var relation=value;var i=0;var singular=null;var has_many=false;for(var val in relation){if(i==0)
singular=val;i+=1;}
if(relation[singular]&&typeof(relation[singular])=="object"&&i==1){var value=[];var plural=attr;var name=singular.camelize().capitalize();if(!(elements[plural][singular].length>0))
elements[plural][singular]=[elements[plural][singular]];elements[plural][singular].each(bind(this,function(single){if(eval("typeof("+name+")")=="undefined"){Jester.Resource.model(name,{prefix:this._prefix,singular:singular,plural:plural,format:this._format});}
var base=eval(name+".build(this._attributesFromTree(single))");value.push(base);}));}
else{singular=attr;var name=singular.capitalize();if(eval("typeof("+name+")")=="undefined"){Jester.Resource.model(name,{prefix:this._prefix,singular:singular,format:this._format});}
value=eval(name+".build(this._attributesFromTree(value))");}}
attribute=attr.replace(/-/g,"_");attributes[attribute]=value;}
return attributes;},_loadSingle:function(doc){var attributes;if(this._format=="json")
attributes=this._attributesFromJSON(doc);else
attributes=this._attributesFromTree(doc[this._singular_xml]);return this.build(attributes);},_loadCollection:function(doc){var collection;if(this._format=="json"){collection=doc.map(bind(this,function(item){return this.build(this._attributesFromJSON(item));}));}
else{if(!Jester.Resource.elementHasMany(doc[this._plural_xml]))
doc[this._plural_xml][this._singular_xml]=[doc[this._plural_xml][this._singular_xml]];collection=doc[this._plural_xml][this._singular_xml].map(bind(this,function(elem){return this.build(this._attributesFromTree(elem));}));}
return collection;}});Object.extend(Jester.Resource.prototype,{initialize:function(attributes){this._properties=[];this._associations=[];this.setAttributes(this.klass._attributes||{});this.setAttributes(attributes);this.errors=[];for(var url in this.klass._urls)
eval('this._'+url+'_url = function(params) {return this._url_for("'+url+'", params);}');},after_initialization:function(){},new_record:function(){return!(this.id);},valid:function(){return!this.errors.any();},reload:function(callback){var reloadWork=bind(this,function(copy){this._resetAttributes(copy.attributes(true));if(callback)
return callback(this);else
return this;});if(this.id){if(callback)
return this.klass.find(this.id,{},reloadWork);else
return reloadWork(this.klass.find(this.id));}
else
return this;},destroy:function(params,callback){if(params===undefined){params={};}
if(typeof(params)=="function"){callback=params;params={};}
if(typeof(params)=="number"){params={id:params};}
if(!params.id){params.id=this.id;}
if(!params.id)return false;if(this._properties!==undefined){(this._properties).each(bind(this,function(value,i){if(params[value]===undefined){params[value]=this[value];}}));}
var destroyWork=bind(this,function(transport){if(transport.status==200){if(!params.id||this.id==params.id)
this.id=null;return this;}
else
return false;});return this.klass.request(destroyWork,this._destroy_url(params),{method:"delete"},callback);},save:function(callback){var saveWork=bind(this,function(transport){var saved=false;if(transport.responseText&&(transport.responseText.strip()!="")){var errors=this._errorsFrom(transport.responseText);if(errors)
this._setErrors(errors);else{var attributes;if(this.klass._format=="json"){attributes=this._attributesFromJSON(transport.responseText);}
else{var doc=Jester.Tree.parseXML(transport.responseText);if(doc[this.klass._singular_xml])
attributes=this._attributesFromTree(doc[this.klass._singular_xml]);}
if(attributes)
this._resetAttributes(attributes);}}
if(this.new_record()&&transport.status==201){loc=transport.getResponseHeader("location");if(loc){id=parseInt(loc.match(/\/([^\/]*?)(\.\w+)?$/)[1]);if(!isNaN(id))
this._setProperty("id",id)}}
return(transport.status>=200&&transport.status<300&&this.errors.length==0);});this._setErrors([]);var url=null;var method=null;var params={};var urlParams={};(this._properties).each(bind(this,function(value,i){params[this.klass._singular+"["+value+"]"]=this[value];urlParams[value]=this[value];}));if(this.new_record()){url=this._create_url(urlParams);method="post";}
else{url=this._update_url(urlParams);method="put";}
return this.klass.request(saveWork,url,{parameters:params,method:method},callback);},setAttributes:function(attributes)
{$H(attributes).each(bind(this,function(attr){this._setAttribute(attr.key,attr.value)}));return attributes;},updateAttributes:function(attributes,callback)
{this.setAttributes(attributes);return this.save(callback);},attributes:function(include_associations){var attributes={}
for(var i=0;i<this._properties.length;i++)
attributes[this._properties[i]]=this[this._properties[i]];if(include_associations){for(var i=0;i<this._associations.length;i++)
attributes[this._associations[i]]=this[this._associations[i]];}
return attributes;},_attributesFromJSON:function()
{return this.klass._attributesFromJSON.apply(this.klass,arguments);},_attributesFromTree:function()
{return this.klass._attributesFromTree.apply(this.klass,arguments);},_errorsFrom:function(raw){if(this.klass._format=="json")
return this._errorsFromJSON(raw);else
return this._errorsFromXML(raw);},_errorsFromJSON:function(json){try{json=eval(json);}catch(e){return false;}
if(!(json&&json.constructor==Array&&json[0]&&json[0].constructor==Array))return false;return json.map(function(pair){return pair[0].capitalize()+" "+pair[1];});},_errorsFromXML:function(xml){if(!xml)return false;var doc=Jester.Tree.parseXML(xml);if(doc&&doc.errors){var errors=[];if(typeof(doc.errors.error)=="string")
doc.errors.error=[doc.errors.error];doc.errors.error.each(function(value,index){errors.push(value);});return errors;}
else return false;},_setErrors:function(errors){this.errors=errors;},_resetAttributes:function(attributes){this._clear();for(var attr in attributes)
this._setAttribute(attr,attributes[attr]);},_setAttribute:function(attribute,value){if(value&&typeof(value)=="object"&&value.constructor!=Date)
this._setAssociation(attribute,value);else
this._setProperty(attribute,value);},_setProperties:function(properties){this._clearProperties();for(var prop in properties)
this._setProperty(prop,properties[prop])},_setAssociations:function(associations){this._clearAssociations();for(var assoc in associations)
this._setAssociation(assoc,associations[assoc])},_setProperty:function(property,value){this[property]=value;if(!(this._properties.include(property)))
this._properties.push(property);},_setAssociation:function(association,value){this[association]=value;if(!(this._associations.include(association)))
this._associations.push(association);},_clear:function(){this._clearProperties();this._clearAssociations();},_clearProperties:function(){for(var i=0;i<this._properties.length;i++)
this[this._properties[i]]=null;this._properties=[];},_clearAssociations:function(){for(var i=0;i<this._associations.length;i++)
this[this._associations[i]]=null;this._associations=[];},_url_for:function(action,params){if(!params)params=this.id;if(typeof(params)=="object"&&!params.id)
params.id=this.id;return this.klass._url_for(action,params);}});Jester.Resource.elementHasMany=function(element){var i=0;var singular=null;var has_many=false;for(var val in element){if(i==0)
singular=val;i+=1;}
return(element[singular]&&typeof(element[singular])=="object"&&element[singular].length!=null&&i==1);}
function bind(context,func){var __method=func,args=$A(func.arguments),object=context;return function(){return __method.apply(object,args.concat($A(arguments)));}}
if(typeof(Resource)=="undefined")
Resource=Jester.Resource;if(!String.prototype.pluralize)String.prototype.pluralize=function(plural){var str=this;if(plural)str=plural;else{var uncountable_words=['equipment','information','rice','money','species','series','fish','sheep','moose'];var uncountable=false;for(var x=0;!uncountable&&x<uncountable_words.length;x++)uncountable=(uncountable_words[x].toLowerCase()==str.toLowerCase());if(!uncountable){var rules=[[new RegExp('(m)an$','gi'),'$1en'],[new RegExp('(pe)rson$','gi'),'$1ople'],[new RegExp('(child)$','gi'),'$1ren'],[new RegExp('(ax|test)is$','gi'),'$1es'],[new RegExp('(octop|vir)us$','gi'),'$1i'],[new RegExp('(alias|status)$','gi'),'$1es'],[new RegExp('(bu)s$','gi'),'$1ses'],[new RegExp('(buffal|tomat)o$','gi'),'$1oes'],[new RegExp('([ti])um$','gi'),'$1a'],[new RegExp('sis$','gi'),'ses'],[new RegExp('(?:([^f])fe|([lr])f)$','gi'),'$1$2ves'],[new RegExp('(hive)$','gi'),'$1s'],[new RegExp('([^aeiouy]|qu)y$','gi'),'$1ies'],[new RegExp('(x|ch|ss|sh)$','gi'),'$1es'],[new RegExp('(matr|vert|ind)ix|ex$','gi'),'$1ices'],[new RegExp('([m|l])ouse$','gi'),'$1ice'],[new RegExp('^(ox)$','gi'),'$1en'],[new RegExp('(quiz)$','gi'),'$1zes'],[new RegExp('s$','gi'),'s'],[new RegExp('$','gi'),'s']];var matched=false;for(var x=0;!matched&&x<=rules.length;x++){matched=str.match(rules[x][0]);if(matched)str=str.replace(rules[x][0],rules[x][1]);}}}
return str;};

// XML.ObjTree -- XML source code from/to JavaScript object like E4X
eval(function(p,a,c,k,e,r){e=function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--)r[e(c)]=k[c]||e(c);k=[function(e){return r[e]}];e=function(){return'\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\b'+e(c)+'\\b','g'),k[c]);return p}('5(p(o)==\'w\')o=v(){};o.r=v(){m 9};o.r.1i="0.1b";o.r.u.14=\'<?L 1s="1.0" 1o="1n-8" ?>\\n\';o.r.u.Y=\'-\';o.r.u.1c=\'1a/L\';o.r.u.N=v(a){6 b;5(W.U){6 c=K U();6 d=c.1r(a,"1p/L");5(!d)m;b=d.A}q 5(W.10){c=K 10(\'1k.1h\');c.1g=z;c.1e(a);b=c.A}5(!b)m;m 9.E(b)};o.r.u.1d=v(c,d,e){6 f={};y(6 g 19 d){f[g]=d[g]}5(!f.M){5(p(f.18)=="w"&&p(f.17)=="w"&&p(f.16)=="w"){f.M="15"}q{f.M="13"}}5(e){f.X=V;6 h=9;6 i=e;6 j=f.T;f.T=v(a){6 b;5(a&&a.x&&a.x.A){b=h.E(a.x.A)}q 5(a&&a.J){b=h.N(a.J)}i(b,a);5(j)j(a)}}q{f.X=z}6 k;5(p(S)!="w"&&S.I){f.1q=c;6 l=K S.I(f);5(l)k=l.12}q 5(p(Q)!="w"&&Q.I){6 l=K Q.I(c,f);5(l)k=l.12}5(e)m k;5(k&&k.x&&k.x.A){m 9.E(k.x.A)}q 5(k&&k.J){m 9.N(k.J)}};o.r.u.E=v(a){5(!a)m;9.H={};5(9.P){y(6 i=0;i<9.P.t;i++){9.H[9.P[i]]=1}}6 b=9.O(a);5(9.H[a.F]){b=[b]}5(a.B!=11){6 c={};c[a.F]=b;b=c}m b};o.r.u.O=v(a){5(a.B==7){m}5(a.B==3||a.B==4){6 b=a.G.1j(/[^\\1f-\\1l]/);5(b==1m)m z;m a.G}6 c;6 d={};5(a.D&&a.D.t){c={};y(6 i=0;i<a.D.t;i++){6 e=a.D[i].F;5(p(e)!="Z")C;6 f=a.D[i].G;5(!f)C;e=9.Y+e;5(p(d[e])=="w")d[e]=0;d[e]++;9.R(c,e,d[e],f)}}5(a.s&&a.s.t){6 g=V;5(c)g=z;y(6 i=0;i<a.s.t&&g;i++){6 h=a.s[i].B;5(h==3||h==4)C;g=z}5(g){5(!c)c="";y(6 i=0;i<a.s.t;i++){c+=a.s[i].G}}q{5(!c)c={};y(6 i=0;i<a.s.t;i++){6 e=a.s[i].F;5(p(e)!="Z")C;6 f=9.O(a.s[i]);5(f==z)C;5(p(d[e])=="w")d[e]=0;d[e]++;9.R(c,e,d[e],f)}}}m c};o.r.u.R=v(a,b,c,d){5(9.H[b]){5(c==1)a[b]=[];a[b][a[b].t]=d}q 5(c==1){a[b]=d}q 5(c==2){a[b]=[a[b],d]}q{a[b][a[b].t]=d}};',62,91,'|||||if|var|||this|||||||||||||return||XML|typeof|else|ObjTree|childNodes|length|prototype|function|undefined|responseXML|for|false|documentElement|nodeType|continue|attributes|parseDOM|nodeName|nodeValue|__force_array|Request|responseText|new|xml|method|parseXML|parseElement|force_array|Ajax|addNode|HTTP|onComplete|DOMParser|true|window|asynchronous|attr_prefix|string|ActiveXObject||transport|post|xmlDecl|get|parameters|postbody|postBody|in|text|24|overrideMimeType|parseHTTP|loadXML|x00|async|XMLDOM|VERSION|match|Microsoft|x20|null|UTF|encoding|application|uri|parseFromString|version'.split('|'),0,{}))
// This is a Date parsing library by Nicholas Barthelemy, packed to keep jester.js light.
eval(function(p,a,c,k,e,r){e=function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--)r[e(c)]=k[c]||e(c);k=[function(e){return r[e]}];e=function(){return'\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\b'+e(c)+'\\b','g'),k[c]);return p}('N.q.F||(N.q.F=t(a){o u.1d().F(a)});O.q.F||(O.q.F=t(a){o\'0\'.1H(a-u.K)+u});O.q.1H||(O.q.1H=t(a){v s=\'\',i=0;2k(i++<a){s+=u}o s});N.q.1j||(N.q.1j=t(){o u.1d().1j()});O.q.1j||(O.q.1j=t(){v n=u,l=n.K,i=-1;2k(i++<l){u.20(i,i+1)==0?n=n.20(1,n.K):i=l}o n});k.1m="2H 2F 2z 2y 2x 2u 2r 3q 3n 3k 3i 3d".1x(" ");k.1o="38 35 2Y 2U 2Q 2O 2M".1x(" ");k.2K="31 28 31 30 31 30 31 31 30 31 30 31".1x(" ");k.1A={2G:"%Y-%m-%d %H:%M:%S",2w:"%Y-%m-%2v%H:%M:%S%T",2s:"%a, %d %b %Y %H:%M:%S %Z",3p:"%d %b %H:%M",3o:"%B %d, %Y %H:%M"};k.3l=-1;k.3j=-2;(t(){v d=k;d["3h"]=1;d["2i"]=1t;d["2h"]=d["2i"]*19;d["2e"]=d["2h"]*19;d["P"]=d["2e"]*24;d["37"]=d["P"]*7;d["34"]=d["P"]*31;d["1q"]=d["P"]*2X;d["2W"]=d["1q"]*10;d["2R"]=d["1q"]*23;d["2P"]=d["1q"]*1t})();k.q.1D||(k.q.1D=t(){o D k(u.1k())});k.q.26||(k.q.26=t(a,b){u.1F(u.1k()+((a||k.P)*(b||1)));o u});k.q.2a||(k.q.2a=t(a,b){u.1F(u.1k()-((a||k.P)*(b||1)));o u});k.q.1Z||(k.q.1Z=t(){u.1Y(0);u.1X(0);u.1U(0);u.1T(0);o u});k.q.1I||(k.q.1I=t(a,b){C(1i a==\'1p\')a=k.1J(a);o 18.2l((u.1k()-a.1k())/(b|k.P))});k.q.1N||(k.q.1N=k.q.1I);k.q.2n||(k.q.2n=t(){d=O(u);o d.1f(-(18.1y(d.K,2)))>3&&d.1f(-(18.1y(d.K,2)))<21?"V":["V","17","16","1a","V"][18.1y(N(d)%10,4)]});k.q.1w||(k.q.1w=t(){v f=(D k(u.1h(),0,1)).1e();o 18.2t((u.1n()+(f>3?f-4:f+3))/7)});k.q.1M=t(){o u.1d().1v(/^.*? ([A-Z]{3}) [0-9]{4}.*$/,"$1").1v(/^.*?\\(([A-Z])[a-z]+ ([A-Z])[a-z]+ ([A-Z])[a-z]+\\)$/,"$1$2$3")};k.q.2p=t(){o(u.1u()>0?"-":"+")+O(18.2l(u.1u()/19)).F(2)+O(u.1u()%19,2,"0").F(2)};k.q.1n||(k.q.1n=t(){o((k.2o(u.1h(),u.1c(),u.1b()+1,0,0,0)-k.2o(u.1h(),0,1,0,0,0))/k.P)});k.q.2m||(k.q.2m=t(){v a=u.1D();a.15(a.1c()+1);a.L(0);o a.1b()});k.2j||(k.2j=t(a,b){a=(a+12)%12;C(k.1K(b)&&a==1)o 29;o k.3g.3f[a]});k.1K||(k.1K=t(a){o(((a%4)==0)&&((a%23)!=0)||((a%3e)==0))});k.q.1B||(k.q.1B=t(c){C(!u.3c())o\'&3b;\';v d=u;C(k.1A[c.2g()])c=k.1A[c.2g()];o c.1v(/\\%([3a])/g,t(a,b){39(b){E\'a\':o k.1l(d.1e()).1f(0,3);E\'A\':o k.1l(d.1e());E\'b\':o k.13(d.1c()).1f(0,3);E\'B\':o k.13(d.1c());E\'c\':o d.1d();E\'d\':o d.1b().F(2);E\'H\':o d.1G().F(2);E\'I\':o((h=d.1G()%12)?h:12).F(2);E\'j\':o d.1n().F(3);E\'m\':o(d.1c()+1).F(2);E\'M\':o d.36().F(2);E\'p\':o d.1G()<12?\'33\':\'32\';E\'S\':o d.2Z().F(2);E\'U\':o d.1w().F(2);E\'W\':R Q("%W 2V 2T 2S 25");E\'w\':o d.1e();E\'x\':o d.1r("%m/%d/%Y");E\'X\':o d.1r("%I:%M%p");E\'y\':o d.1h().1d().1f(2);E\'Y\':o d.1h();E\'T\':o d.2p();E\'Z\':o d.1M()}})});k.q.1r||(k.q.1r=k.q.1B);k.22=k.1J;k.1J=t(a){C(1i a!=\'1p\')o a;C(a.K==0||(/^\\s+$/).1E(a))o;2N(v i=0;i<k.1g.K;i++){v r=k.1g[i].J.2L(a);C(r)o k.1g[i].G(r)}o D k(k.22(a))};k.13||(k.13=t(c){v d=-1;C(1i c==\'2J\'){o k.1m[c.1c()]}2I C(1i c==\'27\'){d=c-1;C(d<0||d>11)R D Q("1s 1C 2b 2q 1W 1V 2d 1 2c 12:"+d);o k.1m[d]}v m=k.1m.1S(t(a,b){C(D 1O("^"+c,"i").1E(a)){d=b;o 1R}o 2f});C(m.K==0)R D Q("1s 1C 1p");C(m.K>1)R D Q("1Q 1C");o k.1m[d]});k.1l||(k.1l=t(c){v d=-1;C(1i c==\'27\'){d=c-1;C(d<0||d>6)R D Q("1s 1z 2b 2q 1W 1V 2d 1 2c 7");o k.1o[d]}v m=k.1o.1S(t(a,b){C(D 1O("^"+c,"i").1E(a)){d=b;o 1R}o 2f});C(m.K==0)R D Q("1s 1z 1p");C(m.K>1)R D Q("1Q 1z");o k.1o[d]});k.1g||(k.1g=[{J:/(\\d{1,2})\\/(\\d{1,2})\\/(\\d{2,4})/,G:t(a){v d=D k();d.1L(a[3]);d.L(14(a[2],10));d.15(14(a[1],10)-1);o d}},{J:/(\\d{4})(?:-?(\\d{2})(?:-?(\\d{2})(?:[T ](\\d{2})(?::?(\\d{2})(?::?(\\d{2})(?:\\.(\\d+))?)?)?(?:Z|(?:([-+])(\\d{2})(?::?(\\d{2}))?)?)?)?)?)?/,G:t(a){v b=0;v d=D k(a[1],0,1);C(a[2])d.15(a[2]-1);C(a[3])d.L(a[3]);C(a[4])d.1Y(a[4]);C(a[5])d.1X(a[5]);C(a[6])d.1U(a[6]);C(a[7])d.1T(N("0."+a[7])*1t);C(a[9]){b=(N(a[9])*19)+N(a[10]);b*=((a[8]==\'-\')?1:-1)}b-=d.1u();1P=(N(d)+(b*19*1t));d.1F(N(1P));o d}},{J:/^2E/i,G:t(){o D k()}},{J:/^2D/i,G:t(){v d=D k();d.L(d.1b()+1);o d}},{J:/^2C/i,G:t(){v d=D k();d.L(d.1b()-1);o d}},{J:/^(\\d{1,2})(17|16|1a|V)?$/i,G:t(a){v d=D k();d.L(14(a[1],10));o d}},{J:/^(\\d{1,2})(?:17|16|1a|V)? (\\w+)$/i,G:t(a){v d=D k();d.L(14(a[1],10));d.15(k.13(a[2]));o d}},{J:/^(\\d{1,2})(?:17|16|1a|V)? (\\w+),? (\\d{4})$/i,G:t(a){v d=D k();d.L(14(a[1],10));d.15(k.13(a[2]));d.1L(a[3]);o d}},{J:/^(\\w+) (\\d{1,2})(?:17|16|1a|V)?$/i,G:t(a){v d=D k();d.L(14(a[2],10));d.15(k.13(a[1]));o d}},{J:/^(\\w+) (\\d{1,2})(?:17|16|1a|V)?,? (\\d{4})$/i,G:t(a){v d=D k();d.L(14(a[2],10));d.15(k.13(a[1]));d.1L(a[3]);o d}},{J:/^3m (\\w+)$/i,G:t(a){v d=D k();v b=d.1e();v c=k.1l(a[1]);v e=c-b;C(c<=b){e+=7}d.L(d.1b()+e);o d}},{J:/^2B (\\w+)$/i,G:t(a){R D Q("2A 25 3r");}}]);',62,214,'||||||||||||||||||||Date||||return||prototype|||function|this|var|||||||if|new|case|zf|handler|||re|length|setDate||Number|String|DAY|Error|throw||||th||||||||parseMonth|parseInt|setMonth|nd|st|Math|60|rd|getDate|getMonth|toString|getDay|substr|__PARSE_PATTERNS|getFullYear|typeof|rz|getTime|parseDay|MONTH_NAMES|getDayOfYear|DAY_NAMES|string|YEAR|format|Invalid|1000|getTimezoneOffset|replace|getWeek|split|min|day|FORMATS|strftime|month|clone|test|setTime|getHours|str|diff|parse|isLeapYear|setYear|getTimezone|compare|RegExp|time|Ambiguous|true|findAll|setMilliseconds|setSeconds|be|must|setMinutes|setHours|clearTime|substring||__native_parse|100||yet|increment|number|||decrement|index|and|between|HOUR|false|toLowerCase|MINUTE|SECOND|daysInMonth|while|floor|lastDayOfMonth|getOrdinal|UTC|getGMTOffset|value|July|rfc822|round|June|dT|iso8601|May|April|March|Not|last|yes|tom|tod|February|db|January|else|object|DAYS_PER_MONTH|exec|Saturday|for|Friday|MILLENNIUM|Thursday|CENTURY|supported|not|Wednesday|is|DECADE|365|Tuesday|getSeconds|||PM|AM|MONTH|Monday|getMinutes|WEEK|Sunday|switch|aAbBcdHIjmMpSUWwxXyYTZ|nbsp|valueOf|December|400|DAYS_IN_MONTH|Convensions|MILLISECOND|November|ERA|October|EPOCH|next|September|long|short|August|implemented'.split('|'),0,{}))
/******************************************************************************************************************************************************
end jester and dependent libraries, required for spiceworks plugins
******************************************************************************************************************************************************/


/* Some Jester Overrides */
// interpolate wasn't handling parameters like 'name[]' on IE.  Escaping the [] seems to work.
Jester.Resource._interpolate = (function (string, params) {
  if (!params) return string;

  var result = string;
  params.each(function(pair) {
    var re = new RegExp(":" + pair.key.gsub('[]','\\[\\]'), "g");
    if (result.match(re)) {
      result = result.replace(re, pair.value);
      params.unset(pair.key);
    }
  });
  return result;
});

// override the request method so that we can tack on an additional request parameter to let the server know that this request is coming from Jester
// we do this because Jester expects all resultsets to be in the form of an array, which is incompatible when passing a single object
Jester.Resource.request = function(callback, url, options, user_callback) {
  if (user_callback) {
    options.asynchronous = true;
    // if an options hash was given instead of a callback
    if (typeof(user_callback) == "object") {
      for (var x in user_callback)
      options[x] = user_callback[x];
      user_callback = options.onComplete;
    }
  }
  else
    user_callback = function(arg){return arg;}

  if (options.method == 'get') url += (url.indexOf('?') > -1 ? '&jester=t' : '?jester=t')
  else if (options.parameters) {
    if (typeof options.parameters == 'object') options.parameters.jester = 't';
    else options.parameters += '&jester=t';
  }

  if (options.asynchronous) {
    options.onComplete = function(transport, json) {user_callback(callback(transport), json);}
    return new Ajax.Request(url, options).transport;
  }
  else
  {
    options.asynchronous = false; // Make sure it's set, to avoid being overridden.
    return callback(new Ajax.Request(url, options).transport);
  }
};



/**************
 * Global Namespace for all spiceworks stuff
 * THIS FILE SHOULD BE LOADED FIRST SINCE WE LOAD IN ALPHA ORDER (ignoring .js)
 */
var SPICEWORKS = {};

if (document.location.toString().match(/logEvents/)) {
  SPICEWORKS.logEvents = true;  
}

// JSLINT - The following statement will allow this file to pass the jslint tests by adding a couple of global variables
/*global Element, $, $$, Event, GMap2, Ajax */


// Create a closure, passing in the global namespace (SPICEWORKS) to a local variable (spiceworks)
(function (spiceworks) {
  
  // Spiceworks Events
  // Register for events that might be occuring
  // Passes through to the browser event code (prototype) for now, but by change in the future
  spiceworks.observe = function (event, func) {
    Event.observe(document, 'spiceworks:' + event, func);
  };
  
  // catch the loaded event so we'll know that we're ready to go.
  spiceworks.isReady = false;
  
  // Fire an event within the spiceworks infrastructure.
  // the event name is currently attacted to the DOM.  
  // "spiceworks:" will be prepended to all events
  // immediate will force the event to fire even if the page is not "ready" (dom fully loaded).
  // By default, events will be queued up until the document is fully loaded
  // there is (currently) no guarentee on the order that events will be fired once added (FF and IE are different)
  spiceworks.fire = function (event, memo) {
    memo = memo || {};
        
    if (event == 'ready') {
      spiceworks.isReady = true;
    }
    
    // if the page is not ready, then try again once the page is ready.
    if (spiceworks.isReady || memo.immediate) {
      
      if (spiceworks.logEvents){
        console.log(' [Fire] ' + event + '  ' + Object.toJSON(memo));
      }
      document.fire('spiceworks:' + event, memo);
    } else {
      if (spiceworks.logEvents){
        console.log('[Delay] ' + event + '  ' + Object.toJSON(memo));
      }
      spiceworks.ready(function () { spiceworks.fire(event, memo); });
    }
  };

  // This is called once all plugins are given the chance to load.  Use this if you depend on something in another plugin.
  // If this app is already loaded, then the function will be called immediately (unless onLoadOnly is passed as true).
  spiceworks.ready = function (func, loadOnly) {
    if (spiceworks.isReady && !loadOnly) {
      func(); // app already initialized, so let's just call the method.
    } else {
      spiceworks.observe('ready', func);      
    }
  };  
  
  // Helper function to define spiceworks observer functions
  spiceworks.ready_func = function(event) {
    return function( callback ) {
      spiceworks.observe(event, callback);
    };
  };

  // Create an object which derives from another object.
  // See: http://javascript.crockford.com/prototypal.html
  if (typeof Object.create !== 'function') {
      Object.create = function (o) {
          function F() {}
          F.prototype = o;
          return new F();
      };
  }
  
  // == SPICEWORKS.config ==
  // placeholder for configuration options  // see _script_includes.html.erb for more info on how this gets setup.
  spiceworks.config = {};
  
})(SPICEWORKS);

(function (spiceworks) {
  
  // == App Namespace ==
  spiceworks.app = function () {
    var that, userMethods;
    
    that = {
      ready: function (func) {
        spiceworks.observe('app:ready', func);
      },
      
      isShowing: function () {
        return $(document.body).hasClassName('spiceworks_application');        
      },
      
      setUser: function (user) {
        that.user = user;
      }      
    };
    return that;
  }();
  
})(SPICEWORKS);

(function (spiceworks) {
  
  // == SPICEWORKS.app.dashboard ==
  // Add Widget Types and tabs here.  A plugin should not add a widget to the user's page.
  spiceworks.app.dashboard = function () {
    var widgetTypes = [],
        tabs = [],
        that; // TODO

    that = {
      // Create a new type of widget
      addWidgetType: function (widgetType) {
        var imgsrc, widgetList, li;
        
        if (!widgetType.name) { 
          throw 'WidgetType name required'; 
        }
        if (!widgetType.label) { 
          throw 'WidgetType label required'; 
        }
        if (!widgetType.update) { 
          throw 'WidgetType update method required'; 
        }
        
        /* Support either settingDefinitions or prefs for the preferences. */
        if (widgetType.prefs && !widgetType.settingDefinitions) {
          widgetType.settingDefinitions = widgetType.prefs;
        }
        
        /* Default the settingDefinitions to be an empty array if none were specified. */
        if( !widgetType.settingDefinitions ){
          widgetType.settingDefinitions = [];
        }

        widgetTypes.push(widgetType);

        /* Only do the following if we're on the dashboard */
        if (that.isShowing()) { 
          imgsrc = widgetType.icon || '/images/icons/small/gear.png';
        
          widgetList = $$('#dashboard_quickform ul').first();
          if (widgetList) {
            li = new Element('li', {'id': widgetType.name + '_small', 'class': 'module-small classname-javascript'});
            li.update('<a href="#"><img src="' + imgsrc + '"></img><span class="title">' + widgetType.label + '</span></a>');
            widgetList.insert(li);
          }
        }
      },

      getWidgetTypes: function () {
        return widgetTypes;
      },
      
      getWidgetType: function (name) {
        var widgetType = widgetTypes.find(function (widgetType) { 
          return (widgetType.name === name); 
        });
        if (widgetType == null) {
          widgetType = {
            name: name,
            label: 'Missing Definition',
            settingDefinitions:[],
            update: function (element, settings) {
              element.innerHTML = 'The definition of this widget is missing.  This is probably due to a plugin being disabled or removed.';
            }
          };
        }
        
        return widgetType;
      },
      
      isShowing: function () {
        return $(document.body).hasClassName('dashboard');
      },
      
      ready: function (callback) {
        spiceworks.observe('app:dashboard:ready', callback);
      }
    };
    
    return that;
  }();
})(SPICEWORKS);

(function (spiceworks) {
  
  // == SPICEWORKS.app.helpdesk ==
  // Currently, we just have stuff in here to help with events
  spiceworks.app.helpdesk = function () {
    var that = {
      /* Update the ticket table (optionally, check email first.) */
      updateTable: function (checkEmail) {
        // Make sure we're on the right page...
        if (typeof Ticket === 'undefined' || !Ticket.checkForNewTickets || !Ticket.updateTable){
          return;
        }

        if (checkEmail) {
          Ticket.checkForNewTickets();
        } else {
          Ticket.updateTable();
        }
      },
      
      ready: SPICEWORKS.ready_func('app:helpdesk:ready'),
      newTicket: {
        ready: SPICEWORKS.ready_func('app:helpdesk:new_ticket:ready')
      },
      ticket: {
        ready: SPICEWORKS.ready_func('app:helpdesk:ticket:ready'),
        closed: SPICEWORKS.ready_func('app:helpdesk:ticket:closed'),
        comments:{
          ready: SPICEWORKS.ready_func('app:helpdesk:ticket:comments:ready')
        },
        purchase_list:{
          ready: SPICEWORKS.ready_func('app:helpdesk:ticket:purchase_list:ready')
        },
        editor:{
          ready: SPICEWORKS.ready_func('app:helpdesk:ticket:editor:ready')
        },
        overview: {
          ready: SPICEWORKS.ready_func('app:helpdesk:ticket:overview:ready')
        }
      }
    };
    return that;
  }();
  
})(SPICEWORKS);

(function (spiceworks) {
  
  
  // == SPICEWORKS.app.inventory ==
  // Currently, we just have stuff in here to help with events
  spiceworks.app.inventory = function () {
    var that = {
      ready: SPICEWORKS.ready_func('app:inventory:ready'),
      
      dns:{
        ready: SPICEWORKS.ready_func('app:inventory:dns:ready')
      },
      
      environment: {
        ready: SPICEWORKS.ready_func('app:inventory:environment_summary:ready')
      },

      group: {
        ready: SPICEWORKS.ready_func('app:inventory:group:ready'),
        device: {
          ready: SPICEWORKS.ready_func('app:inventory:group:device:ready')
        },
        item: {
          ready: SPICEWORKS.ready_func('app:inventory:group:item:ready')
        },
        environment: {
          ready: SPICEWORKS.ready_func('app:inventory:group:environment_summary:ready')
        }
      },      
      
      softwareGroup: {
        ready: SPICEWORKS.ready_func('app:inventory:software_group:ready'),
        
        environment: {
          ready: SPICEWORKS.ready_func('app:inventory:software_group:environment_summary:ready')
        },

        software:{
          ready: SPICEWORKS.ready_func('app:inventory:software_group:software:ready')
        },
        service:{
          ready: SPICEWORKS.ready_func('app:inventory:software_group:services:ready')
        },
        hotfix:{
          ready: SPICEWORKS.ready_func('app:inventory:software_group:hotfixes:ready')
        }        
      }
    };
    return that;
  }();
  
})(SPICEWORKS);

(function (spiceworks) {
  
  // == SPICEWORKS.app.messaging ==
  // Allow users to push and pop messages into the header messaging area
  // This is a fairly thin wrapper around the current messaging infrastructure.
  spiceworks.app.messaging = {
    push: function (messageText, options) {
      var message = Object.extend({
        dismissable: false, // give the message a clickable element to remove it
        selfRemoving: false, // make the message remove itself after timeSeconds have lapsed
        timeoutSeconds: 5, // when selfRemoving is true, this is time duration the message is displayed
        id: 'p_' + (new Date()).getTime()
      }, options || {});
      
      Messaging.push( message.id, messageText, message );
            
      return message.id;
    },
    
    pop: function (messageId) {
      Messaging.pop(messageId);
    }
  };
  
})(SPICEWORKS);

(function (spiceworks) {
  

  // == SPICEWORKS.app.navigation ==
  // define new tools (i.e. pages) that will be shown when the user clicks on them.
  spiceworks.app.navigation = function () {
    var items = [],
        menuItems = [],
        that;

    that = {
      addItem: function (item) {
        var linkElem = null;

        items.push(item);

        if (!spiceworks.app.isShowing()) { 
          return; 
        } // do nothing unless the app is showing.
        
        item.element = new Element('dd', {});
        linkElem = new Element('a', {'href': '/tools/' + item.name, 'id': item.name});
        linkElem.update(item.label);
        item.element.insert(linkElem);

        $('navigation_my_stuff').insert(item.element);
      },

      // Show the specified tool
      showItem: function (name) {
        var content, item;        
        item = items.find(function (item) { 
          return (item.name === name); 
        });

        $$('dd.current').each(function (e) {
          e.removeClassName('current');
        });
        item.element.addClassName('current');
        content = $('content');
        content.innerHTML = '';

        item.update(content);
        document.title = 'Spiceworks - ' + item.label;
      },

      getItems: function () {
        return items;
      },
      
      addMenuItem: function (spec) {
        menuItems.push(spec);
      },
      
      addMenuItems: function (spec) {
        that.addMenuItem(spec);
      },
      
      // Add a menu item once the page is loaded.
      dynamicAddMenuItem: function (spec) {
        $$(spec.selector).each( function ( itemElemOrig ) {
          var menuItem, itemElem, items;
          
          // Find the DD
          if( itemElemOrig.nodeName != 'DD'){
            itemElem = itemElemOrig.up('DD');              
          }else{
            itemElem = itemElemOrig;
          }
          
          spec = Object.clone(spec);
          spec.itemElemOrig = itemElemOrig;
          
          SPICEWORKS.ui.sideMenu( itemElem, spec );

        });
      },
      
      updateNavMenus: function () {
        menuItems.each( function (spec) {
          that.dynamicAddMenuItem(spec);
        });        
      }
    };
    
    // Attach the menu items once the app is ready.
    // This is also done in _customizable_sections.html.erb
    // It's fine to call this twice, it figures out what to do.
    spiceworks.app.ready(that.updateNavMenus);

    return that;
  }();
  
})(SPICEWORKS);

(function (spiceworks) {
  
  
  // == SPICEWORKS.app.settings ==
  spiceworks.app.settings = function () {
    var that = {
      ready: SPICEWORKS.ready_func('app:settings:ready')
    };
    
    // Setup ready functions for each othe settings panes.
    ['help_desk', 'monitors', 'network', 'email', 'accounts', 'spicemeter', 'events', 'categories', 'backup', 'advanced'].each(function (settingsPane) {
      that[settingsPane] = {
        ready: SPICEWORKS.ready_func('app:settings:' + settingsPane + ':ready')
      };
    }); 
    
    that.users = that.accounts;   
    
    return that;
  }();
  
  // == SPICEWORKS.app.settings.plugin ==
  // Some helpers for extending the plugins page.  Currently, there's only support here for
  // adding example code to the "Insert Code" dropdown.
  spiceworks.app.settings.plugin = function () {
    var codeExamples = [],
        that;
    
    that = {
      
      ready: SPICEWORKS.ready_func( 'app:settings:plugin:ready' ),
      
      viewer: {
        ready: SPICEWORKS.ready_func('app:settings:plugin:viewer:ready')
      },
      
      editor: {
        ready: SPICEWORKS.ready_func( 'app:settings:plugin:editor:ready' ),

        // spec needs {label: '', code: ''}
        addCodeExample: function (spec) {
          codeExamples.push(spec);
        },
        
        getCodeExamples: function () {
          return codeExamples;
        },
        
        insertCode: function (code) {
          // IE doesn't like it when the pre tag doesn't have focus and you try to insert code.
          if (Browser.ie6 || Browser.ie7) {
            plugin_content.editor.body.getElementsByTagName('pre')[0].focus();
            code = code.gsub(/\n/, '\n\n'); // IE doesn't deal with new lines properly for some reason.
          }

          plugin_content.editor.insertCode(code);
          plugin_content.editor.syntaxHighlight();
        },
        
        setCode: function (code) {
          // IE doesn't like it when the pre tag doesn't have focus and you try to insert code.
          if (Browser.ie6 || Browser.ie7) {
            plugin_content.editor.body.getElementsByTagName('pre')[0].focus();
            code = code.gsub(/\n/, '\n\n'); // IE doesn't deal with new lines properly for some reason.
          }

          plugin_content.editor.setCode(code);
          plugin_content.editor.syntaxHighlight();          
        }
        
      }
    };
    
    
    // Now watch for this event and actually plug in the new code.
    that.editor.ready( function () {
      var elem = $('insert_code_list'),
          link, li;

      codeExamples.each( function (example) {
        li = new Element('li');
        link = new Element('a', {href: '#'} );
        li.insert(link);
        link.update( example.label );
        
        Event.observe( link, 'click', function (e) {
          Event.stop(e);
          that.editor.insertCode( example.code );
        });
        
        // elem.insert(li);
      });
    });
    
    return that;
  }();
  
})(SPICEWORKS);

(function (spiceworks) {
  
  // == SPICEWORKS.community ==
  // Namespace for several APIs to pull down community content as JSON
  spiceworks.community = function () {
    var that;
    var communityHost;
    function addDefaultParams(params, callback){
      return Object.extend(params, {
        'uuid':Application.uuid,
        'ehash':Application.ehash,
        'callback':callback
      });
    }
    that = {
      loadJSON: function(path, params, callback, identifier){
        var url = 'http://' + that.host + path;
        params = params || {}
        if (typeof callback === 'function'){
          spiceworks.utils.jsonp(url, addDefaultParams(params), callback, identifier);
        } else {
          spiceworks.utils.include(url + '?' + Object.toQueryString(addDefaultParams(params, callback)));
        }
      },
      setHost: function(host){
        that.host = host;
      },
      url: function(path){
        return 'http://' + this.host + path;
      },
      linkTo: function(path){
        return new Element('a', {
          'href': '/community/login?redirect=#{path}'.interpolate({'path': encodeURIComponent(path)}),
          'onclick': 'Community.go(#{path})'.interpolate({'path': path.toJSON()})
        });
      }
    };
    return that;
  }();
  
  // == SPICEWORKS.adserver ==
  // Namespace for reading/writing the adserver preferences and generating techlinks
  spiceworks.adserver = function () {
    var that;
    that = {
      setWebclipPath: function(path){
        that.webclipPath = path;
      },
      setNewHost: function(url){
        that.newHost = url;
      },
      setOldHost: function(url){
        that.oldHost = url;
      },
      webclipUrl: function(){
        return 'http://' + that.newHost + that.webclipPath;
      },
      buildTechLink: function(element, zone, position){
        var identifier = 'tech-link-' + (new Date()).getTime(), insertion = {};
        if (typeof position == 'undefined') position = 'bottom';
        insertion[position] = '<div id="' + identifier + '" class="tech-link"></div>';
        element.insert(insertion);

        // this code should be self-contained instead of calling into code in application.js
        techLink.builder(identifier, zone, that.webclipUrl());
      }
    };
    return that;
  }();
  
  
  // == SPICEWORKS.community.products ==
  // Get product information and community content by sending up model and manufacturer
  spiceworks.community.products = function () {
    var that;
    that = {
      getProductData: function(params, callback){
        spiceworks.community.loadJSON('/api/products/product_data.json', params, callback);
      },
      getRecentRatings: function(params, callback, identifier){
        if(identifier){
          identifier += '_getRecentRatings';
        }
        spiceworks.community.loadJSON('/api/products/recent_ratings.json', params, callback, identifier);
      }
    };
    return that;
  }();

  // == SPICEWORKS.community.forums ==
  // Get discussions from forums
  spiceworks.community.forums = function () {
    var that;
    that = {
      find: function(id, params, callback, identifier){
        if(identifier){
          identifier += '_community.forums.find/' + id;
        }
        spiceworks.community.loadJSON('/api/forums/' + id + '.json', params, callback, identifier);
      }
    };
    return that;
  }();

  // == SPICEWORKS.community.itNews ==
  // Get the latest links posted to IT News & Information
  spiceworks.community.itNews = function () {
    var that;
    that = {
      find: function(params, callback, identifier){
        if(identifier){
          identifier += '_community.itNews.find';
        }
        spiceworks.community.loadJSON('/api/it_news.json', params, callback, identifier);
      }
    };
    return that;
  }();
  
  // == SPICEWORKS.community.groups ==
  // Get discussions, how-tos, spicelists, etc. from groups
  // id may be an integer or a case-insensitive name
  spiceworks.community.groups = function () {
    var that;
    that = {
      find: function(id, params, callback, identifier){
        if(identifier){
          identifier += '_community.groups.find/' + id;
        }
        spiceworks.community.loadJSON('/api/groups/' + id + '.json', params, callback, identifier);
      }
    };
    return that;
  }();
  
  
})(SPICEWORKS);

(function (spiceworks) {
  
  // == SPICEWORKS.configuration ==
  // Store documents (hashes) in a specified location for later retrieval.
  // Currently, just a key/value store.  Configuration can be a hash, an array, or just a string.
  spiceworks.configuration = function () {
    // helper method to process results from calls
    function wrap(callback) {
      if (callback) {
        return function (transport) {
          var result = transport.responseText;
          if (result.isJSON()) {
            result = result.evalJSON();
          }
          callback(result, transport);
        };        
      } else {
        return function () {};
      }
    }
    
    var that = {      
      // callback is optional
      store: function (key, doc, callback) {
        (new Ajax.Request('/configuration/' + key + '.json', {
          method: 'put',
          parameters: { 'value': Object.toJSON(doc) },
          onSuccess: wrap(callback)
        }));
      },
            
      load: function (key, callback, defaultValue) {
        (new Ajax.Request('/configuration/' + key + '.json', {
          method: 'get',
          onSuccess: wrap(callback),
          onFailure: function (transport) {
            callback(defaultValue,transport);
          }
        }));
      },
      
      loadAll: function (prefix, callback, defaultValue) {
        if (prefix && prefix !== '') {
          (new Ajax.Request('/configuration.json?prefix=' + prefix, {
            method: 'get',
            onSuccess: wrap(callback),
            onFailure: function (transport) {
              callback(defaultValue,transport);
            }
          }));          
        }
      },
      
      remove: function (key, callback) {
        (new Ajax.Request('/configuration/' + key + '.json', {
          method: 'delete',
          onSuccess: wrap(callback),
          onFailure: wrap(callback)
        }));
      }
    };
    
    return that;
  }();
  
})(SPICEWORKS);

(function (spiceworks) {
  

  // == SPICEWORKS.data ==
  spiceworks.data = function () {
    var tempStore = {},
        that;
    
    that = {
      
      // Models
      // This is very alpha right now.  Check here for status updates as we fix this.
      // See Jester Docs for more detail on how to use these: http://thoughtbot.com/projects/jester
      Ticket:       Jester.Resource.model('Ticket', {prefix: '/api', format: 'json'}),
      Device:       Jester.Resource.model('Device', {prefix: '/api', format: 'json'}),
      Alert:        Jester.Resource.model('Alert', {prefix: '/api', format:'json'}),
      DataMonitor:  Jester.Resource.model('DataMonitor', {prefix: '/api', format: 'json'}),
      Activity:     Jester.Resource.model('Activity', {format: 'json'}),
      Agreement:    Jester.Resource.model('Agreement', {format: 'json'}),

      // Following need more testing
      Group:        Jester.Resource.model('Group', {prefix: '/api', format:'json'}),
      Software:     Jester.Resource.model('Software', {prefix: '/api', format:'json', plural:'software'}),
      Service:      Jester.Resource.model('Service', {prefix: '/api', format:'json', plural:'services'}),
      Hotfix:       Jester.Resource.model('Hotfix', {prefix: '/api', format:'json', plural:'hotfixes'}),
      User:         Jester.Resource.model('User', {prefix: '/api', format:'json' }),
      Report:       Jester.Resource.model('Report', {prefix: '/api', format:'json' }),
      

      // Run a report and pass the resulting JSON to the callback...
      // callback => function(json, transport){}
      // TODO: get report name working as well as id
      runReport: function (report_id, callback) {
        (new Ajax.Request('/reports/show/' + report_id + '.json', {
          method: 'get',
          onSuccess: function (transport) {
            var json = transport.responseText.evalJSON();
            callback(json, transport);
          },
          onFailure: function (transport) {
            callback({ items:[], columns: [], error: transport.responseText });
          }
        }));
      }
    };

    return that;
  }();
  
})(SPICEWORKS);

// == SPICEWORKS.field ==
// Datatypes that will be used to render editors
// These objects are delegates that will handle rendering different types of values in the configuration sections of widgets
// Field builders are expected to return an object with a set() and get() method.  They can return more than this, but these two
// are required for them to work with widgets and the dashboard.
(function (spiceworks) {
  
  var fieldTypes = {};
  
  var ops = {
    beginsWith: 'begins with',
    notBeginsWith: 'does not begin with',
    endsWith: 'ends with',
    notEndsWith: 'does not end with',
    contains: 'contains',
    notContains: 'does not contain',
    between: 'is between',
    is: 'is',
    isNot: 'is not',
    isBefore: 'is before',
    isOnOrAfter: 'is on or after',
    isLessThan: 'is less than',
    isAtLeast: 'is at least',
    include: 'include',
    doesNotInclude: 'does not include',
    isAtMost: 'is at most',
    isGreaterThan: 'is greater than'
  };
  
  
  // Register a new type of field
  // spec:{
  //   typeName: 'string', // optionally, this can be an array!
  //   buildEditor: function (element, fieldDef) {},
  // }
  function registerFieldType(spec) {
    if (spec.typeName.each) {
      spec.typeName.each(function (name) {
        fieldTypes[name] = spec;
      });
    } else {        
      fieldTypes[spec.typeName] = spec;
    }
  }
  
  function getFieldType(typeName) {
    return fieldTypes[typeName] || fieldTypes.string;
  }

  // creation helper
  // fieldDesc => { name:'foo', type:'string', label:'Foo', defaultValue:'Life is good' }
  function createField(element, fieldDef, value) {
    var fieldType = getFieldType(fieldDef.type);
    var field = fieldType.buildEditor(element, fieldDef);
    if (value) {
      field.set(value);
    }
    return field;
  }

  // Create a set of fields within the element passed using the options passed.
  // options should be like widget options (including an id)
  function createFieldSet(element, fieldDefs) {
    var fields = {},
        nsField = spiceworks.field,  // temp namespace
        fieldset;
        
    fieldset = {
      // return all the values
      get: function () {
        var options = {};
        Object.keys(fields).each(function (fieldname) {
          options[fieldname] = fields[fieldname].get();
        });
        return options;
      },
      
      set: function (options) {
        Object.keys(fields).each(function (fieldname) {
          if (options[fieldname] !== undefined) {
            fields[fieldname].set(options[fieldname]);
          }
        });
      },
      fields: fields
    };
    
    // Initialize the fields
    fieldDefs.each(function (field) {
      if (field.name === undefined) {
        field.name = "n_" + (Math.floor(Math.random()*1000+1));
      }
      var elemType = (field['class'] && field['class'].match(/inline/)) ? 'span' : 'div';
      var fieldElement = new Element(elemType, {'class': field.name + ' setting ' + field['class'], 'id':field.name + "_" + (Math.floor(Math.random()*1000+1))});
      element.insert(fieldElement);
      fields[field.name] = nsField.createField(fieldElement, field);
      //if( options[field.name] ){  fields[field.name].set( options[field.name] ); }
    });
    
    return fieldset;
  }
  
  ///////////////////////////////////////////////////////
  // Define SPICEWORKS.field
  spiceworks.field = {
    registerFieldType: registerFieldType,
    getFieldType: getFieldType,
    createField: createField,
    createFieldSet:createFieldSet
  };
  


  /////////////////////////////////////////////////////
  // HIDDEN
  // Hidden value, accessible by Spiceworks on the backend, but not visible to the end user.
  registerFieldType({
    typeName: 'hidden',
    operators: [], // no operators allowed on hidden fields, doesn't make sense.
    buildEditor: function (element, fieldDef) {
      var hiddenValue = fieldDef.defaultValue;
      return {
        get: function () {
          return hiddenValue;
        },
        set: function (value) {
          hiddenValue = value;
        }
      };
    }
  });

  // STRING
  // Simple string type
  registerFieldType({
    typeName: ['string', 'textbox', 'text'],
    operators: [ops.is, ops.isNot, ops.beginsWith, ops.notBeginsWith, ops.endsWith, ops.notEndsWith, ops.contains, ops.notContains],
    buildEditor: function (element, fieldDef) {
      var id = element.id + "_value";
      if (fieldDef.label) {        
        element.insert("<label for='" + id + "'>" + fieldDef.label + "</label>");
      }
      element.insert("<input id='" + id + "' name='" + id + "' type='text' class='text'></input>");
      if (fieldDef.example) {
        element.insert(" <span class='example'>" + fieldDef.example + "</span>");
      }

      function set (value) {
        if (fieldDef.obKey) {
          element.down('input').value = value[fieldDef.obKey];
        } else {
          element.down('input').value = value || "";
        }
      }
      set( fieldDef.defaultValue );

      return {
        get: function () {
          var ob = {};
          if (fieldDef.obKey) {
            ob[fieldDef.obKey] = element.down('input').value;
            return ob;
          } else {
            return element.down('input').value;
          }
        },
        set: set
      };
    }
  });
  
  // INTEGER
  // Simple integer type... just like string, but with different options (and should have some numeric validation at some point.)
  registerFieldType({
    typeName: ['integer', 'int', 'float'],
    operators: [ops.is, ops.isNot, ops.isLessThan, ops.isGreaterThan, ops.isAtMost, ops.isAtLeast],
    buildEditor: function (element, fieldDef) {
      var id = element.id + "_value";
      if (fieldDef.label) {        
        element.insert("<label for='" + id + "'>" + fieldDef.label + "</label>");
      }
      element.insert("<input id='" + id + "' name='" + id + "' type='text' class='text'></input>");
      if (fieldDef.example) {
        element.insert(" <span class='example'>" + fieldDef.example + "</span>");
      }

      function set (value) {
        if (fieldDef.obKey) {
          element.down('input').value = value[fieldDef.obKey];
        } else {
          element.down('input').value = value || "";
        }
      }
      set( fieldDef.defaultValue );

      return {
        get: function () {
          var ob = {};
          if (fieldDef.obKey) {
            ob[fieldDef.obKey] = (parseInt(element.down('input').value, 10) || 0);
            return ob;
          } else {
            return (parseInt(element.down('input').value, 10) || 0);
          }
        },
        set: set
      };
    }
  });
  
  // PASSWORD
  registerFieldType({
    typeName: 'password',
    operators: [ops.is, ops.isNot],
    buildEditor: function(element, fieldDef){
      var id = element.id + "_value";
      element.insert("<label for='" + id + "'>" + fieldDef.label + "</label>");
      element.insert("<input id='" + id + "' name='" + id + "' type='password' class='text'></input>");
      if (fieldDef.example) {
        element.insert(" <span class='example'>" + fieldDef.example + "</span>");
      }
      return {
        get: function () {
          return element.down('input').value;
        },
        set: function (value) {
          // a password field is never to be assigned a value, always set to blank
          element.down('input').value = value;
        }
      };
    }
  });
  
  // ENUMERATION/SELECT
  // onChange = event for users changing this select field
  // onUpdate = event for API changing this select field
  registerFieldType({
    typeName:['enumeration', 'select', 'enum'],
    operators:[ops.is, ops.isNot],
    buildEditor: function (element, fieldDef) {
      var select, 
          id = element.id + "_value";

      if (fieldDef.label) {        
        element.insert("<label for='" + id + "'>" + fieldDef.label + "</label>");
      }

      select = new Element('select', {'id': id, 'name': id, 'class':fieldDef['class']});
      element.insert(select);

      if (fieldDef.options) {
        fieldDef.options.each( function (option) {
          if(typeof(option)==='string'){
            select.insert(new Element('option', {selected:(fieldDef['defaultValue'] == option)}).update(option));
          }else{
            select.insert(new Element('option', {'value':option[1], selected:(fieldDef['defaultValue'] == option[1])}).update(option[0]));
          }
        });
      }
      
      if (fieldDef.onChange) {
        select.observe('change', fieldDef.onChange);
      }
      if (fieldDef.onUpdate){
        select.observe('field:update', fieldDef.onUpdate);
      }

      if (fieldDef.example) {
        element.insert(" <span class='example'>" + fieldDef.example + "</span>");
      }

      return {
        get: function () {
          return $F(select);
        },
        set: function (value) {
          for(index = 0; index < select.options.length; index++) {
            if ((select.options[index].value || select.options[index].text) === value) {
              select.selectedIndex = index;
            }
          }
          Event.fire(select, 'field:update', value);
        }
      };
    }
  });
  
  // TEXTAREA
  registerFieldType({
    typeName:'textarea',
    operators: [ops.is, ops.isNot, ops.beginsWith, ops.notBeginsWith, ops.endsWith, ops.notEndsWith, ops.contains, ops.notContains],
    buildEditor: function (element, fieldDef) {
      var textarea,
          id = element.id + "_value";

      if (fieldDef.label) {        
        element.insert("<label for='" + id + "'>" + fieldDef.label + "</label>");
      }

      if (fieldDef.example) {
        element.insert("<div style='float:right;width: 210px'><span  class='example' style='vertical-align:top'>" + fieldDef.example + "</span></div>");
      }
      textarea = new Element('textarea', {'id': id, 'name': id, 'style':''});
      element.insert(textarea);

      return {
        get: function () {
          return textarea.value;
        },
        set: function (value) {
          textarea.value = value;
        }
      };
    }
  });


  // CHECKBOX
  registerFieldType({
    typeName:'checkbox',
    operators: [ops.is, ops.isNot],
    buildEditor: function (element, fieldDef) {
      var checkbox,
          id = element.id + "_value";
      if (fieldDef.label) {        
        element.insert("<label for='" + id + "'>" + fieldDef.label + "</label>");
      }

      checkbox = new Element('input', {'id':id, 'type':'checkbox'});
      if (fieldDef['defaultValue']) checkbox.checked = true;
      element.insert(checkbox);

      if (fieldDef.example) {
        element.insert(" <span class='example'>" + fieldDef.example + "</span>");
      }

      return {
        get: function () {
          return checkbox.checked;
        },
        set: function(value) {
          checkbox.checked = value;
        }
      };
    }
  });

  // SET (checkbox group)
  registerFieldType({
    typeName: 'set',
    operators: [ops.is, ops.isNot],
    buildEditor: function(element, fieldDef) {
      var id = element.id + "_value";
      if (fieldDef.label) {        
        element.insert("<label for='" + id + "'>" + fieldDef.label + "</label>");
      }
      var div = new Element('div');
      var boxes = $A([]);
      if (fieldDef.options) {
        fieldDef.options.each( function (option) {
          if(typeof(option)==='string'){
            var cb = new Element('input',
                {type: 'checkbox', name:fieldDef['name'], value:option, defaultChecked: fieldDef['defaultValue'].member(option), checked: fieldDef['defaultValue'].member(option)});
            boxes.push(cb);
            div.insert(cb);
            div.insert(option);
            div.insert('&nbsp;');
          }else{
            var cb = new Element('input',
                {type: 'checkbox', name:fieldDef['name'], value:option[1], defaultChecked: fieldDef['defaultValue'].member(option[1]), checked: fieldDef['defaultValue'].member(option[1])});
            boxes.push(cb);
            div.insert(cb);
            div.insert(option[0]);
            div.insert('&nbsp;');
          }
        });
      }
      element.insert(div);
      return {
        get: function () {
          var checked = $A([]);
          boxes.each(function (box) {
            if (box.checked) {
              checked.push(box.value);
            }
          });
          return checked;
        },
        set: function (value) {
          boxes.each(function (box) {
            box.checked = false;
            value.each(function (v) {
              if (box.value == v) {
                box.checked = 'checked';
              }
            });
          });
        }
      };
    }
  });

  // DATE
  registerFieldType({
    typeName:['date','datetime'],
    operators:[ops.is, ops.isNot, ops.isBefore, ops.isOnOrAfter], // figure out ops.isBetween
    buildEditor: function (element, fieldDef) {
      var trigger, input,  id = element.id + "_value";
      if (fieldDef.label) {        
        element.insert("<label for='" + id + "'>" + fieldDef.label + "</label>");
      }

      input = new Element('input', {'id':id, 'name':id, 'type':'string', 'class':'text date_field', 'title':fieldDef.title});
      element.insert(input);

      trigger = new Element('a', {'id': id + '_trigger', 'href':'javascript:void(0)', 'class':'calendar_trigger'} ).update('<img title="Choose a date from the calendar" src="/images/icons/calendar.png" alt="Calendar"/>');
      element.insert(trigger);

      CalendarPopup.setup(input, trigger);

      if (fieldDef.example) {
        element.insert(" <span class='example'>" + fieldDef.example + "</span>");
      }

      return {
        get: function () {
          return input.value;
        },
        set: function (value) {
          input.value = value.gsub('/','-');
        }
      };
    }
  });
  
  ////////////////////////////////////////////
  // ARRAY OF
  // fieldDef: {name:"match", label:"Match Any",  type:"arrayOf", defaultValue:[{"field":"summary", "valuere":"text"}], fieldDefs:[
  //   {name:"field", type: "select", options: SPICEWORKS.pluginEditor.ticketFields, defaultValue:'summary', 'class':'inline-field'},
  //   {name:"valuere", type:"text", defaultValue:"example", 'class':'inline-field'}
  // ]}
  registerFieldType({
    typeName:'arrayOf',
    operators:[], // no operators allowed on arrays for now
    buildEditor: function (element, fieldDef) {
      var id = element.id + "_value";
      var fields;
      var single = (fieldDef.fieldDefs.length == 1);

      if (fieldDef.label) {
        element.insert("<label for='" + id + "'>" + fieldDef.label + "</label>");    
      }

      var ul = new Element("ul", {"class":"array-of-fields " + fieldDef.ulClass});
      element.insert(ul);
      element.insert("<div style='clear:both'></div>");

      function set(arr) {
        ul.update("");
        fields = [];
        if (arr) {
          arr.each(addRow);
        }
        showHideRemove();
      }

      function showHideRemove() {
        if (fields === undefined || fields.length === 1) {
          ul.select(".remove").each( function (remove) {
            remove.addClassName('disabled');
          });
        }else{
          ul.select(".remove").each( function (remove) {
            remove.removeClassName('disabled');
          });
        }
      }

      function addRow(value, i, afterLi) {
        var li = new Element("li", {"class": fieldDef.liClass, "style":(!value ? "display:none" : "")});
        if (afterLi === undefined) {
          ul.insert(li);
        }else{
          afterLi.insert({after:li});
        }
        var fieldsInstance = SPICEWORKS.field.createFieldSet(li, fieldDef.fieldDefs);
        if (value){
          if (single) {
            var wrapper = {};
            wrapper[fieldDef.fieldDefs[0].name] = value;
            fieldsInstance.set(wrapper);
          } else {
            fieldsInstance.set(value);
          }
        } else {
          new Effect.BlindDown(li, {duration:0.25});
        }
        fields.push(fieldsInstance);

        //add remove links
        var adder = spiceworks.utils.quickLink({
          label: '+',
          title: 'Add a row',
          'class': 'sui-button small array-of-control add',
          onClick: function () {
            addRow(null, null, li);
            showHideRemove();
          }
        });

        var remover = spiceworks.utils.quickLink({
          label: '&ndash;',
          title: 'Remove this row',
          'class': 'sui-button small array-of-control remove',
          onClick: function (event) {
            new Effect.BlindUp(li, {
              duration:0.25, 
              afterFinish: function () {
                li.remove();
                fields = fields.without(fieldsInstance);
                showHideRemove();
              }
            });
          }
        });

        li.insert(remover).insert(adder);
      }

      if (fieldDef.defaultValue) {
        set(fieldDef.defaultValue);
      }
      
      return {
        get: function () {
          return fields.collect(function (field) {
            if (single) {
              return field.get()[fieldDef.fieldDefs[0].name];
            } else {
              return field.get();
            }
          });
        },
        set: set
      };
    }
  });
  
  ////////////////////////////////////////////////
  // FIELD FILTER
  // Allow for the selection of a field, an operator, and a value!
  // A single field is selected from the available fieldDefs.  Baded on it's type, the operators and options are laid out.
  // 
  // fieldDef: {name:'foo', type:'fieldFilter', defaultValue:{fieldName:'summary', operator:'is', value:'bar'}, fieldDefs:[
  //   {name:'summary', type:'string'},
  //   ...
  // ]}
  registerFieldType({
    typeName: 'fieldFilter',
    buildEditor:function (element, fieldDef) {
      
      var fieldSelect,
          operatorSelect,
          valueField,
          fieldNames,
          defs,
          def,
          opsAndValue;
          
      defs = fieldDef.fieldDefs;
      opsAndValue = new Element('span');
      
      fieldNames = defs.collect(function (fieldDef) {
        return [fieldDef.label||fieldDef.name, fieldDef.name];
      });
      
      if (fieldDef.label) {        
        element.insert("<label>" + fieldDef.label + "</label>");
      }
      
      function get() {
        return {key: fieldSelect.get(), operator:operatorSelect.get(), value: valueField.get()};
      }
      
      function set(value) {
        fieldSelect.set(value.key);
        fieldChanged();
        operatorSelect.set(value.operator);
        valueField.set(value.value);
      }
      
      function fieldChanged(event) {
        if (event) {
          Event.stop(event);
        }
        
        var fieldName = fieldSelect.get();
        
        def = defs.find(function (d) {
          return d.name == fieldName;
        });
        var fieldType = getFieldType(def.type);
        
        opsAndValue.update(''); // clean these out since we're going to rebuild
        operatorSelect = null;
        value = null;
        operatorSelect = getFieldType('select').buildEditor(opsAndValue, {
          name:'operator', type:'select', 'class':'operator', options: (def.operators || fieldType.operators)
        });
        
        valueField = fieldType.buildEditor(opsAndValue, {name:def.name, type:def.type, options:def.options, title: (def.type.match(/date/) ? 'EX: "2007-12-31", "this friday", "3 days from now"' : null )});
      }
      
      
      fieldSelect = getFieldType('select').buildEditor(element, {
        name:'key', type:'select', options:fieldNames, onChange: fieldChanged
      });
      element.insert(opsAndValue);
      
      if (fieldDef.defaultValue) {
        set(fieldDef.defaultValue);
      }
      
      return {
        get:get,
        set:set
      };
    }
  });
  
  /////////////////////////////////
  // Puts an additional option in the label area... scopes as an object
  // fieldDef:{ name:'match', label:'Match', labelFieldDefs:[{name:'foo', 'class':'inline'}], fieldDefs:[{name:'bar'}, {...}] }
  // get/set: {match: {foo:'value', bar:'value, ...}}
  registerFieldType({
    typeName:'group',
    buildEditor:function (element, fieldDef) {
      
      var label, labelFields, fields, fieldsDiv;
      
      
      if (fieldDef.label || fieldDef.labelFieldDefs) {
        label = new Element('label');
        label.update(fieldDef.label);
        element.insert(label);
        labelFields = SPICEWORKS.field.createFieldSet(label, fieldDef.labelFieldDefs);
      } 

      fieldsDiv = new Element('div', {'class':fieldDef['class']});
      element.insert(fieldsDiv);
      
      fields = SPICEWORKS.field.createFieldSet(fieldsDiv, fieldDef.fieldDefs);
      
      function get() {
        return Object.extend(labelFields.get(), fields.get());
      }
      
      function set(value) {
        labelFields.set(value);
        fields.set(value);
      }
      
      if (fieldDef.defaultValue) {
        set(fieldDef.defaultValue);
      }
      
      return {
        get:get,
        set:set
      };
    }
  });
  

})(SPICEWORKS);


(function (spiceworks) {
  
  // == SPICEWORKS.persistence ==
  // Store documents (hashes) in a specified location for later retrieval.
  // Currently, just a key/value store.  Document can be a hash, an array, or just a string.
  spiceworks.persistence = function () {
    // helper method to process results from calls
    function wrap(callback) {
      if (callback) {
        return function (transport) {
          var result = transport.responseText;
          if (result.isJSON()) {
            result = result.evalJSON();
          }
          callback(result, transport);
        };        
      } else {
        return function () {};
      }
    }
    
    var that = {      
      // callback is optional
      store: function (key, doc, callback) {
        (new Ajax.Request('/documents/' + key + '.json', {
          method: 'put',
          parameters: { 'doc': Object.toJSON(doc) },
          onSuccess: wrap(callback)
        }));
      },
            
      load: function (key, callback, defaultValue) {
        (new Ajax.Request('/documents/' + key + '.json', {
          method: 'get',
          onSuccess: wrap(callback),
          onFailure: function (transport) {
            callback(defaultValue,transport);
          }
        }));
      },
      
      loadAll: function (prefix, callback, defaultValue) {
        if (prefix && prefix !== '') {
          (new Ajax.Request('/documents.json?prefix=' + prefix, {
            method: 'get',
            onSuccess: wrap(callback),
            onFailure: function (transport) {
              callback(defaultValue,transport);
            }
          }));          
        }
      },
      
      remove: function (key, callback) {
        (new Ajax.Request('/documents/' + key + '.json', {
          method: 'delete',
          onSuccess: wrap(callback)
        }));
      }
    };
    
    return that;
  }();
  
  
})(SPICEWORKS);

(function (spiceworks) {
  
  // == Plugins Namespace ==
  // Manages the spiceworks plugins.
  spiceworks.plugin = function () {
    var plugins = [],
        that;
    that = {
      add: function (plugin) {
        /* Verify Attributes */
        if (!plugin.name) { 
          throw "Plugin name is required"; 
        }
        if (!plugin.version) { 
          throw "Plugin version is required"; 
        }
        if (!plugin.initialize) { 
          throw "Plugin initialize function is required"; 
        }

        /* A method for the plugin writer to define user settings*/
        plugin.configure = function (conf) {
          plugin.settingDefinitions = conf.settingDefinitions;
          if (!plugin.settings) {
            plugin.settings = {};
          }
          plugin.settingDefinitions.each( function (settingDefinition) {
            if (!plugin.settings[settingDefinition.name]){
              plugin.settings[settingDefinition.name] = settingDefinition.defaultValue;
            }
          });
        };
        
        /* A helper method for storing data for this plugin */
        plugin.store = function (key, data, callback) {
          spiceworks.persistence.store(plugin.guid + '_' + key, data, callback);
        };
        /* A helper method for loading data for this plugin*/
        plugin.load = function (key, callback, defaultValue) {
          spiceworks.persistence.load(plugin.guid + '_' + key, callback, defaultValue);
        };
        /* A helper method for removing data from the system*/
        plugin.remove = function (key, callback) {
          spiceworks.persistence.remove(plugin.guid + '_' + key, callback);
        };
        /* A method to store the settings for this plugin.  Settings are loaded by default. */
        plugin.storeSettings = function (settings, callback) {
          plugin.store( 'settings', settings, callback );
          plugin.settings = settings;
        };
        
        /* return an object with URL info for the file passed */
        plugin.contentUrl = function(name) {
          return '/settings/plugins/' + encodeURIComponent(plugin.guid) + "/content/" + encodeURIComponent(name);
        };
        
        /* Include all of the stylesheets */
        plugin.includeStyles = function () {
          plugin.contentAreas.each( function (content) {
            if (content.content_type == 'text/css') {
              spiceworks.utils.includeStyle(plugin.contentUrl(content.content_name));    
            }
          });
        };

        /* Capture the plugin and return a reference to it. */
        plugins.push(plugin);
        return plugin;
      },

      initializePlugins: function () {
        plugins.each(function (plugin) {
          try {
            if(!plugin.hasBeenInitialized) {
              plugin.initialize(plugin);
              plugin.hasBeenInitialized = true;
              spiceworks.fire('plugin:initialized', {immediate: true, pluginName:plugin.name});
            }
            // Fire off an event to tell the world that we've initialized.
          } catch (e) {
            // there was an error initializing a plugin...
            // Ignoring this for now.
          }
        });
        spiceworks.fire('plugins:initialized', {immediate: true});
      },

      getPlugins: function () {
        return plugins;
      },
      
      getPlugin: function (guid) {
        var plugin = plugins.find(function (plugin) { 
          return (plugin.guid === guid); 
        });
        return plugin;
      }
    };

    return that;
  }();

  Event.observe(document, 'dom:loaded', function (e) {    
    spiceworks.plugin.initializePlugins();
    spiceworks.fire('ready');
  });
  
})(SPICEWORKS);


(function (spiceworks) {
  // == SPICEWORKS.portal ==
  spiceworks.portal = function () {
    var that = {
      ready: function (callback) {
        spiceworks.observe('portal:ready', callback);
      },
      
      isShowing: function () {
        return $(document.body).hasClassName('spiceworks_portal');
      }
    };
    return that;  
  }();
  
  // == SPICEWORKS.portalv2 ==
  spiceworks.portalv2 = function () {
    var that = {
      ready: function (callback) {
        spiceworks.observe('portalv2:ready', callback);
      },
      
      isShowing: function () {
        return $(document.body).hasClassName('spiceworks-portalv2');
      }
    };
    return that;  
  }();
})(SPICEWORKS);

(function (spiceworks) {
  // prepare SUI in case it's not initialized
  if (typeof SUI === 'undefined') {
    SPICEWORKS.ui = {};
    window.SUI = SPICEWORKS.ui;
  }
  
  
  /*
   * Ex Usage: 
   *  SUI.sideMenu(destElement, {
   *    items:[
   *      '<a href="http://foo.com">Foo</a>',
   *      {label: 'Bar', itemName:'bar', href:'http://bar.com'},
   *      {separator: true, itemName: 'sep'},
   *      {label: 'Baz', itemName:'baz', onclick: function () { alert('baz'); } }
   *    ]
   *  })
   */
  spiceworks.ui.sideMenu = function (itemElem, spec) {
        
    var items,
        keepOpen = false,
        menuTimeout = null,
        openerTimeout = null,
        showMenuTimeout = null,
        target = $(spec.target || itemElem);
        sideMenu = null;
        
    if (Browser.ie6 && !spec.shown) {
      spec.openerUsesCss = false;
    }
    
    // == START HELPER FUNCTIONS
    function addItem(itemSpec) {
      if (!itemSpec) {
        return; // itemSpec is null, so do nothing!
      }
      
      var menuItem;
      var icon = (spec.icons === false ? '' : 'icon '); 
      
      
      //if it's just a string, then render the link without checking anything else.
      if (typeof itemSpec == 'string') {
        itemElem.menu.insert("<li>" + itemSpec + "</li>");
        return;
      }
      
      // Renamed className to itemName... keep support for plugin writers if possible.
      if(itemSpec.className && !itemSpec.itemName){
        itemSpec.itemName = itemSpec.className;
      }

      if (!itemSpec.itemName) {
        throw 'Menu item specification must include itemName.';
      }

      if (!itemElem.menu.down('.' + itemSpec.itemName)) {

        if (itemSpec.separator) {
          itemElem.menu.insert(new Element('li').insert(new Element('div', {'class':'separator ' + icon + itemSpec.itemName}).update('&nbsp;')));
        } else if (itemSpec.rawLink) {
          itemElem.menu.insert("<li>" + itemSpec.rawLink + "</li>");
        } else {
          menuItem = new Element('a', {href:itemSpec.href || '#', 'class': icon + itemSpec.itemName, 'target': (itemSpec.target || '_top')}).update(itemSpec.label);
          if (itemSpec.onclick) {
            Event.observe( menuItem, 'click', function (e) {
              Event.stop(e);
              hideMenuAndOpener();
              itemSpec.onclick( spec.itemElemOrig || itemElem );
            });                  
          }
          itemElem.menu.insert(new Element('li').update(menuItem));                            
        }
      }
    }
        
    function showOpener() {
      if (!spec.openerUsesCss) {
        if (!itemElem.hasClassName('editing') && !itemElem.down('input')){
          itemElem.opener.style.display='block';
        }else{
          hideOpener();
        }              
      }
    }
    function hideOpener() {
      itemElem.opener.removeClassName('on');
      if (!spec.openerUsesCss) {
        itemElem.opener.style.display='none';              
      }
    }
    function hideMenu() {
      itemElem.opener.removeClassName('on');
      itemElem.pivotable.hide();
      itemElem.opener.style.zIndex='';
      itemElem.style.zIndex='';
      itemElem.pivotable.style.zIndex='';
      var dl = itemElem.up('dl,li,div');
      if(dl){
        dl.style.zIndex='';
      }
    }
    
    function showMenu() {
      if(!itemElem.pivotable.visible()) {
        itemElem.pivotable.show();
        itemElem.pivotable.clonePosition(itemElem.opener, {
          setHeight:false,
          setWidth:false,
          offsetTop: (itemElem.opener.offsetHeight - 2),
          offsetLeft: -(itemElem.pivotable.offsetWidth - itemElem.opener.offsetWidth - 6)
        });
        
        //itemElem.pivotable.style.right= spec.openerText ? '-6px' : '-1px';
      
        itemElem.style.zIndex=500;
        itemElem.opener.style.zIndex=301;
        itemElem.pivotable.style.zIndex=300;
        itemElem.opener.addClassName('on');
        var dl = itemElem.up('dl,li,div');
        if (dl) {
          dl.style.zIndex=500;
        }
      }
    }
    
    function hideMenuAndOpener() {
      hideMenu();
      hideOpener();
    }
    
    function itemOver(event) {
      Event.stop(event);
      clearTimeout(openerTimeout);
      clearTimeout(showMenuTimeout);
      openerTimeout = setTimeout( showOpener, 100);
    }
    function itemOut(event) {
      Event.stop(event);
      clearTimeout(openerTimeout);
      openerTimeout = setTimeout( hideMenuAndOpener, 100);
    }
    
    function openerOver(event) {
      Event.stop(event);
      clearTimeout(menuTimeout);
      clearTimeout(openerTimeout);
      showMenuTimeout = setTimeout(showMenu, 200);
    }
    function openerOut(event) {
      Event.stop(event);
      clearTimeout(menuTimeout);
      clearTimeout(openerTimeout);
      clearTimeout(showMenuTimeout);
      menuTimeout = setTimeout( hideMenu, 100);
    }
    
    function menuOver(event) {
      Event.stop(event);
      clearTimeout(openerTimeout);
      clearTimeout(menuTimeout);
    }
    
    function menuOut(event) {
      Event.stop(event);
      clearTimeout(menuTimeout);
      menuTimeout = setTimeout(hideMenu, 100);
      openerTimeout = setTimeout(hideOpener, 100);
    }
    // == END HELPER FUNCTIONS
    
    
    // == BUILD OUT MENU AND ADD MENU ITEMS
    // Build the menu ONLY if needed.
    if (!itemElem.menu) {
      itemElem.wrap = new Element('div', {'class':'sw-menu-wrap'});
      itemElem.insert({top:itemElem.wrap});
      itemElem.pivotable = new Element('div', {style: 'display:none; zoom:1; width:' + (spec.width || '130px'), 'class':'pivotable ' + spec.pivotableClass});
      itemElem.menu = new Element('ul', {'class':'nav_menu'});
      itemElem.pivotable.insert(itemElem.menu);
      itemElem.opener = new Element('a',{'class': 'edit sw-menu-opener', 'style':'cursor:pointer'});
      // optionally, an opener can be text based instead of an arrow.
      if(spec.openerText) {
        itemElem.opener.addClassName('sw-menu-opener-text');
        itemElem.opener.update(spec.openerText);
      }
      
      // itemElem.keepOpen = false;
      
      // insert the menu helper
      itemElem.wrap.insert({top: itemElem.opener});
      hideOpener();
      
      itemElem.wrap.insert({bottom: itemElem.pivotable});
      
      if (!spec.openerUsesCss) {
        Event.observe(target, 'mouseover', itemOver);
        Event.observe(target, 'mouseout', itemOut);
      }
      
      Event.observe(itemElem.opener, 'mouseover', openerOver);
      Event.observe(itemElem.opener, 'mouseout', openerOut);
      
      Event.observe(itemElem.pivotable, 'mouseover', menuOver);
      Event.observe(itemElem.pivotable, 'mouseout', menuOut);
    }
    
    // Add the new item(s) to the menu.          
    // determine if multiple items have been passed in or not.
    if (spec.items) {
      items = spec.items;
    } else {
      items = [spec];
    }
    
    items.each(addItem);
    
    // This is the actual side menu object.  We can add things to it using .addItem({})
    sideMenu = {
      hide: hideMenu,
      show: showMenu,
      addItem: addItem
    };
    
    return sideMenu;
  };
  
  spiceworks.ui.attachOpener = function (opener, menu, options) {
    var hideTimeout = null;
    opener = $(opener);
    menu = $(menu);
    options = Object.extend( {}, options );
    
    function show() {
      menu.show();
      opener.addClassName('active');
      if (options.onShow) options.onShow();
    }
    function hide() {
      menu.hide();
      opener.removeClassName('active');
      if (options.onHide) options.onHide();
    }
    
    function openerOver() {
      clearTimeout(hideTimeout);
      show();
    }
    function openerOut() {
      hideTimeout = setTimeout(function () {
        hide();
      },100);
    }
    function menuOver() {
      clearTimeout(hideTimeout);
      if (!menu.visible()) {
        show();
      }
    }
    function menuOut() {
      hideTimeout = setTimeout(function () {
        hide();
      },100);      
    }
    
    opener.observe('mouseover', openerOver);
    opener.observe('mouseout', openerOut);
    menu.observe('mouseover', menuOver);
    menu.observe('mouseout', menuOut);
  };
  
  // name: 'ok', 'medium/delete', 'medium/cancel', etc...
  // callback: function callback for this button
  spiceworks.ui.button = function(name, callback) {
    var button = new Element('img', {'src':'/images/forms/buttons/' + name + '.gif'});
    button.observe('mouseover', function (event) {
      Event.stop(event);
      button.src = '/images/forms/buttons/' + name + '_hover.gif';
    });
    button.observe('mouseout', function (event) {
      Event.stop(event);
      button.src = '/images/forms/buttons/' + name + '.gif';
    });
    button.observe('click', callback);
    
    return button;
  };
  
  // spec = {title: '', body:''}
  spiceworks.ui.popup = function (spec) {
    var popup = {},
        height, 
        docBody;
    
    docBody = $(document.body);
    
    height = [docBody.getHeight(), 'px'].join('');
    
    popup.darkbox = new Element('div', {'class':'darkbox'});
    popup.darkbox.setStyle({'height': height});
    docBody.insert(popup.darkbox);

    popup.lightbox = new Element('div', {'class':'lightbox'});
    popup.lightbox.setStyle({'height':height});
    docBody.insert(popup.lightbox);
    
    popup.content = new Element('div', {'class':'content', 'id':spec.id});
    popup.lightbox.insert(popup.content);
    
    popup.title = new Element('h1');
    popup.content.insert(popup.title);
    
    popup.body = new Element('div');
    popup.content.insert(popup.body);
    
    // Helpers
    popup.setTitle = function (title) {
      popup.title.update(title);
    };
    popup.setBody = function (body) {
      popup.body.update(body);
    };
    popup.close = function (blind) {
      if(popup.darkbox) {
        if (!blind) {
          popup.darkbox.remove();
          popup.lightbox.remove();          
        }else{
          new Effect.BlindUp(popup.darkbox);
          new Effect.BlindUp(popup.lightbox);
          setTimeout( function () {
            popup.darkbox.remove();
            popup.lightbox.remove();
          }, 2000);
          
        }
      }
    };

    // Initialize if needed
    if (spec.title) {
      popup.setTitle(spec.title);
    }
    if (spec.body) {
      popup.setBody(spec.body);
    }
    
    return popup;
  };
  
  spiceworks.ui.clearfix = "<div style='clear:both'></div>";
  spiceworks.ui.voidLink = "javascript:void(0)";
  
  
  // Create a toolbar in the specified element
  spiceworks.ui.toolbar = function(element,spec) {
    var actions = {},
        toolbar,
        toolbarRight;
    
    toolbar = new Element('div', {'class':'sui-toolbar', 'style':'display:none'}); // hidden by default
    element.insert(toolbar);
    
    // toolbarRight
    spec.actions = spec.actions || [];
    spec.actions.each(addToolbarAction);
    
    // Add an action to the toolbar.
    function addToolbarAction(actionSpec) {
      toolbar.show();
      actionSpec.action = new Element('a', {'href':actionSpec.href || SUI.voidLink, 'class':'sui-toolbar-action ' + (actionSpec.className || '')}).update(actionSpec.label);
      toolbar.insert(actionSpec.action);
      
      if (actionSpec.onclick) {
        Event.observe( actionSpec.action, 'click', function () {
          performAction(actionSpec.id);
        });
      }
      
      actions[actionSpec.id] = actionSpec;
    }
    
    function performAction(actionId) {
      actions[actionId].onclick(actionId);
    }
    
    return {
      actions:actions,
      element:toolbar,
      performAction:performAction
    };
  };
  
  // Encapsulation of the concept of a filter bar.  Requires a "content" area to scan
  // element is the parent to add the bar to
  // spec requires one object: {content: 'some_element_or_id'}
  spiceworks.ui.filterbar = function(element, spec) {
    var filters = {},
        content,
        filterbar,
        filterObject;
        
    element = $(element);
    content = $(spec.content);
    
    filterbar = new Element('div', {'class':'sui-filterbar'});
    element.insert(filterbar);
    
    function setObject(object) {
      // figure out filters!
      filterbar.update('');
      filters = {};
      tempFilters = {};
          
      if (!content) { 
        filterbar.hide();
        return; 
      }    
          
      addFilter('all', true);
            
      content.select('.filterable').each(function (filterable) {
        filterable.className.split(' ').each(function (className) {
          if (className.indexOf('filter-') == 0 && !tempFilters[className.substring(7)]) {
            tempFilters[className.substring(7)] = true;
          }
        });
      });
      
      Object.keys(tempFilters).sort().each(function (filtername) {
        addFilter(filtername);
      });
      
      if (Object.keys(filters).size() == 1) {
        filterbar.hide();
      } else {
        filterbar.show();
      }
    }
    
    function addFilter(filtername, active) {
      if (!filters[filtername]) {
        var filter = new Element('a', {'href': SUI.voidLink, 'class':'sui-filter ' + (active ? 'active' : '')}).update(filtername);
        filterbar.insert(filter);
        filters[filtername] = filter;
        Event.observe(filter, 'click', function (event) {
          Event.stop(event);
          setFilter(filtername);
        });        
      }
    }
    
    function setFilter(filtername) {
      var filter = filters[filtername];
      filterbar.select('.sui-filter').each( function (filter) {
        filter.removeClassName('active');
      });
      filter.addClassName('active');
      
      if (filtername === 'all') {
        content.select('.filterable').each(Element.show);
      } else {
        content.select('.filterable').each(Element.hide);
        content.select('.filterable.filter-' + filtername).each(Element.show);
      }
    }
    
    filterObject = {
      setObject: setObject,
      element: filterbar,
      addFilter: addFilter,
      setFilter: setFilter
    };
    
    spiceworks.ui.filterbars.push(filterObject);
    
    return filterObject;
  };
  
  spiceworks.ui.filterbars = [];
  
  spiceworks.ui.refreshAllFilterbars = function () {
    spiceworks.ui.filterbars.each( function (filterbar) {
      filterbar.setFilter("all");
      filterbar.setObject();
    });
  };
  
  // Button bar
  spiceworks.ui.togglebar = function(element, spec) {
    var buttons = {}, content, loadingMsg;
        
    element = $(element);
    content = $(spec.content);
    
    loadingMsg = Object.extend({ message: 'Loading&hellip;', matchHeight: true, 'class': 'loading' }, spec.loadingMessage || {});   
    
    function setObject(object) {
      element.select('.sui-toggle').each(function (button) {
        Event.observe(button, 'click', function (event) {
          setButton(button);
        });
      });
    }
    
    function clearButtons(section) {
      if (!section) { section = element; }
      
      section.select('.sui-toggle').each(function (button) {
        button.removeClassName("active");
      });
    }
    
    function setButton(button) {
      clearButtons(button.up());
      if (content) {
        LoadingMessage.set(content, loadingMsg.message, loadingMsg);
      }
      button.addClassName('active');
    }
    
    return {
      setObject: setObject,
      element: element,
      setButton: setButton,
      clearButtons: clearButtons
    };
  };
  
  spiceworks.ui.choicePill = function(element, spec) {
    var wrapper,
        hiddenInput,
        choiceElems,
        first = true;
        
    element = $(element);
    spec.options = spec.options || {};
    
    
    // remove the element with this id if it already exists...
    // if (spec.options.id || $(spec.options.id)) {
    //   $(spec.options.id).up('.sui-choice-pill').remove();
    // }
    
    choiceElems = [];
    
    wrapper = new Element('span', {'class':'sui-choice-pill'});
    hiddenInput = new Element('input', {'type':'hidden', 'name':spec.name, 'value':spec.value, 'id':spec.options.id || ''});
    wrapper.insert(hiddenInput);
    element.insert(wrapper);
    
    spec.choices.each( function (choice) {
      var name, value, choiceElem;
      name = choice[1];
      value = choice[0];
      options = choice[2] || {};
      choiceElem = new Element('a', {'class':'sui-pill ' + options['class'], 'href':SUI.voidLink, 'id': options['id']});
      if (first) {
        choiceElem.addClassName('sui-pill-first');
        first=false;
      }
      choiceElem.setAttribute('pillvalue', value);
      choiceElem.update(name);
      choiceElem.observe('click', function (event) {
        selectChoice(choiceElem);
      });
      choiceElems.push(choiceElem);
      wrapper.insert(choiceElem);
      
      if(value == spec.value){
        selectChoice(choiceElem);
      }
    });

    function selectChoice(choiceElem) {
      choiceElems.each( function(otherChoiceElem) {
        otherChoiceElem.removeClassName('sui-pill-selected');
      });
      choiceElem.addClassName('sui-pill-selected');
      hiddenInput.value = choiceElem.getAttribute('pillvalue');
      hiddenInput.fire('choice-pill:clicked');
    }
  };
  
  
  spiceworks.ui.simplemenu = function(activator, menu, spec) {
    // A menu system that should work for many purposes
    // Pass ids to the already-created activator and menu along with any of the following options
    
    // When menu is activated, activator gets the class "active" added to it
    
    // activateOn: by default 'mouseover'
    // update: optional callback that will get called with the menu object before the menu shows 
    // alignment: 'left', 'right' 
    // align: a callback that will get called with the menu and the activator
    // closeButton: one or more selectors that will close the window if clicked
    
    // FREE ADVICE:  Make the activator and the menu siblings, and your life will be easier in IE7
    
    var menuTimeout = null, showMenuTimeout = null, simpleMenu;
    activator = $(activator);
    menu = $(menu);
    
    if ((!menu) || (!activator)) { return; }
    
    spec = Object.extend({
      alignment: 'right',
      offsetLeft: 0, 
      offsetTop: 0,
      activateOn: 'mouseover',
      activatorZIndex: 500,
      menuZIndex:450,
      closeButton: [],
      afterHide: function(menu) {},
      afterShow: function(menu) {},
      update: function(menu) {}      
    }, spec || {});
    
    spec = Object.extend({
      align: function(menu, activator) {
        var offsetLeft, offsetTop;
        
        if (spec.alignment == "left") { offsetLeft = spec.offsetLeft; }          
        else { offsetLeft =  -($(menu).getWidth() - activator.getWidth() - 6 + spec.offsetLeft); }

        offsetTop = spec.offsetTop;
        
        menu.clonePosition(activator, {
          setHeight:false,
          setWidth:false,
          offsetTop: (activator.getHeight() - 3) + offsetTop,
          offsetLeft: offsetLeft
        });
      }
    }, spec);
    
    function unload() {
      Event.stopObserving(activator);
      Event.stopObserving(menu);
      document.stopObserving("simplemenu:show", menuShownEvent);
      
      menu.select(spec.closeButton).each(function(button) {
        button.observe('click', hideMenu);
      });
    }
    
    function hideMenu() {
      $(menu).hide();      
      activator.style.zIndex=0;
      activator.removeClassName("active");
      activator.blur();
      document.fire("simplemenu:hide", {id: menu.id});
      spec.afterHide(menu);
    }
    
    function showMenu() {
      spec.update(menu);
      document.fire("simplemenu:show", {id: menu.id});
      $(menu).show();
      // we need to show the menu before aligning it so that offsetWidth is valid
      spec.align(menu, activator);
      activator.style.zIndex=spec.activatorZIndex;
      menu.style.zIndex=spec.menuZIndex;
      
      if ((activator.getStyle('position') != "absolute")) {
        activator.style.position = "relative";
      }
      
      activator.addClassName("active");
      activator.blur();
      spec.afterShow(menu);
    }

    function activatorOver(event) {
      clearTimeout(showMenuTimeout);
      showMenuTimeout = setTimeout(showMenu, 200);
    }
    function activatorOut(event) {
      clearTimeout(showMenuTimeout);
      showMenuTimeout = setTimeout( hideMenu, 100);
    }
    
    function menuOver(event) {
      clearTimeout(showMenuTimeout);
      clearTimeout(menuTimeout);
    }
    
    function menuOut(event) {
      clearTimeout(menuTimeout);
      menuTimeout = setTimeout(hideMenu, 100);
    }

    function menuClicked(event) { 
      var el = event.element();      
      if (menu.select(spec.closeButton).include(el)) {
        hideMenu();
      }
    }
    
    function toggleMenuVisibility(event) {
      if ($(menu).visible()) { hideMenu(); }
      else { showMenu(); }
    }
    
    function menuShownEvent(event) {
      // This could be from any menu
      if (menu.id != event.memo.id) {
        hideMenu();
      }
    }
      
    if (spec.activateOn == "mouseover") {
      activator.observe('mouseover', activatorOver);
      activator.observe('mouseout', activatorOut);
      menu.observe('mouseover', menuOver);
      menu.observe('mouseout', menuOut);
      menu.observe('click', menuClicked);
    }
    else if (spec.activateOn == "click") {
      activator.observe('click', toggleMenuVisibility);
      menu.observe('click', menuClicked);
    }
      
    document.observe("simplemenu:show", menuShownEvent);

    simpleMenu = {
      activator: activator,
      menu: menu,
      show: showMenu,
      hide: hideMenu,
      unload: unload
    };
    
    return simpleMenu;
  };
  
  spiceworks.ui.elements =  {
    primary: {
      area: function() { return $("primary"); },
      header: function() {  return $("content").down("div.sui-header"); },
      breadcrumbs: function() { return $$("#content > div.sui-header > h1 > span.crumb"); },
      toolbar: function() { return $("primary").down("div.sui-toolbar"); }
    },
    secondary: {
      area: function() { return $("secondary"); },
      header: function() {  return $("secondary").down("div.sui-header"); },
      breadcrumbs: function() {  return $$("#secondary div.sui-header span.crumb"); },
      toolbar: function() { return $("secondary").down("div.sui-toolbar"); },
      tabbedBox: function() { return $("secondary").down("div.sui-tabbed-box"); }
    }
  };
  
  

  // This is used by the tabbed_player helper in layout helper
  // spec requires defaultSize: {width: int, height: int} to calculate aspect ratio for resizing
  // pass in autoResize to resize on page resize and on tab change
  spiceworks.ui.tabbedplayer = function(playerContainer, videoContainer, spec) {
    var tabs, video, videoHeight, containerHeight, videoWidth, playerContent, aspectRatio;
    
    spec.defaultSize = spec.defaultSize || { width: 400, height:267 };
    spec.unloadOn = spec.unloadOn || ['secondary:unload', 'tab:unload'];
    
    autoResize = spec.autoResize || false;
    aspectRatio = spec.defaultSize.width / spec.defaultSize.height;

    playerContainer = $(playerContainer);
    playerContent = playerContainer.down('div');

    tabs = playerContainer.down("ul");

    tabs.select("li > a").each(function(a) {
      a.observe("click", function(e) { setVideo(a); });
    });

    if (autoResize) { 
      videoWidth = "100%";
      Event.observe((document.onresize ? document : window), "resize", setHeight);
    }
    else {
      videoWidth = spec.width || spec.defaultSize.width;
      videoHeight = spec.height || spec.defaultSize.height;
    }

    function setObject(object) {
      setVideo(tabs.down("li.active a") || tabs.down("li a"));
    }

    function setHeight() {
      if (!videoContainer) { return; }
      
      videoHeight = ($(videoContainer).up(".video_column").getWidth() / aspectRatio);
      if (spec.defaultSize.height > videoHeight) { videoHeight = spec.defaultSize.height; }
      $(videoContainer).setAttribute('height', videoHeight);
      playerContent.setStyle('height: ' +  videoHeight + 'px');
    }

    function setVideo(videoLink) {
      if (autoResize) { setHeight(); }

      var link = videoLink.getAttribute('href');
      videoLink.up("li").siblings().invoke("removeClassName", "active");
      videoLink.up("li").addClassName("active");
      
      $(videoContainer).setStyle({width: videoWidth, height:videoHeight});
      
      swfobject.embedSWF(link, videoContainer, videoWidth, videoHeight, "9.0.0", "/flash/expressinstall.swf", {}, {wmode: 'opaque', allowfullscreen: 'true'});
    }
    
    function unload() {
      tabs.select("li > a").invoke("stopObserving");
      Event.stopObserving((document.onresize ? document : window), "resize", setHeight);
    }
    
    SPICEWORKS.utils.unloader(spec.unloadOn, unload);

    playerObject = {
      setObject: setObject,
      setVideo: setVideo,
      playerContainer: playerContainer,
      videoContainer: videoContainer
    };
    
    return playerObject;
  };
  
  spiceworks.ui.tabbedbox = function(tabbedBox, spec) {
    tabbedBox = $(tabbedBox);
    
    var ul = tabbedBox.down("div.sui-tabs ul"), 
    firstTab = tabbedBox.down("div.sui-tabs ul li"),
    moreActivator = tabbedBox.down("div.sui-tabs div.sui-tab-more"),
    sheet = tabbedBox.down('div.sui-sheet'),
    state = {}, o = {}, li, simpleMenu, showMore, events = $A();
    
    spec = Object.extend({
      requestClass: 'secondary/tab',
      uriKey: 'tab',
      updateURI: true, 
      unloadOn: 'secondary:unload'
    }, spec || {});
    
    spec = Object.extend({
      afterSelect: function(s) {
        if (s.activeTabName !== null) { // if this is null, the page will jump to the top in IE
          o[spec.uriKey] = s.activeTabName;
          Application.updateState(o, {updateUri: spec.updateURI});
        }          
      }
    }, spec);
    

    function tabSelected(event) {
      li = event.findElement("li");
      if (!li) { return; }
      
      selectTab(li);
      event.element().blur();
    }
    
    function selectTab(li, callback) {
      li = $(li);
      if (!li) { return; }

      document.fire('tab:unload');
      ul.select('li').invoke("removeClassName", "active");
      li.addClassName("active");
      loadContent(li.down('a').getAttribute('click_url'), callback);

      updateActiveState(li);
      spec.afterSelect(state);
      
      document.fire('tab:selected', object);
    }
    
    function loadContent(url, callback) {      
      LoadingMessage.set(sheet, "Loading &hellip;");      
      
      new Ajax.Request(url, {
        asynchronous:true, 
        evalScripts: true, 
        parameters:{requestClass: spec.requestClass},
        method: 'get',
        onFailure:function(request){
          StatusMessage.set(sheet, "Unable to load tab, please try again");
        },
        onComplete: function(request){
          if (callback) callback(request);
        }
      });
    }
    
    function updateActiveState(li) {
      if (!$(li)) { return; }
      
      state.activeTab = li;      
      state.activeTabName = (li.getAttribute("id") || "").split("_tab")[0];  
    }
      
    function unload() {
      Event.stopObserving(ul);
      $(moreMenuContent).select("li").invoke("stopObserving");
      simpleMenu.unload();
            
      document.stopObserving("secondary:unload", unload);
      Event.stopObserving((document.onresize ? document : window), "resize", updateMoreVisibility);
    }
    
    function updateMoreVisibility(){
      showMore = false;
      tabbedBox.select("div.sui-tabs ul li").reverse().each(function(tab) {
        if (Math.abs(firstTab.cumulativeOffset()['top'] - tab.cumulativeOffset()['top']) > 5) {
          showMore = true;
          throw $break;
        }
      });
      moreActivator[showMore ? 'show' : 'hide']();
    }
    
    SPICEWORKS.utils.unloader(spec.unloadOn, unload);    
    Event.observe((document.onresize ? document : window), "resize", updateMoreVisibility);
    Event.observe(ul, "click", tabSelected);
        
    // Initialize internal state registry, and passed the currently selected tab to Application.
    // We need this on load since ocassionally we request the tab when submitting forms, etc
    updateActiveState(tabbedBox.down("div.sui-tabs > ul > li.active"));
    if (state.activeTabName !== null) {
      o[spec.uriKey] = state.activeTabName;
      // Don't update the URL on load, as IE freaks out and refreshes on anchor param changes, sometimes.
      Application.updateState(o, {updateUri: false});
    }
    
    // If the anchor param in the url is different the currently loaded tab, jump to it      
    if (Application.getUriAnchorParams().get(spec.uriKey) != state.activeTabName) {
       selectTab(Application.getUriAnchorParams().get(spec.uriKey) + "_tab");
    }
    
    // Set up more menu 
    updateMoreVisibility();
    
    var moreMenuContent = new Element('ul', {'class': 'menu'});
    tabbedBox.select("div.sui-tabs ul li a").each( function(a) {
      var li = new Element('li').update(a.clone().update(a.innerHTML));
      li.observe('click', function() { selectTab(a.up()); } );            
      moreMenuContent.insert(li);      
    });
    
    var contentID = "tab_more_content_" + (Math.floor(Math.random()*1000+1)).toString();
    $(tabbedBox).insert(new Element('div', {id: contentID, 'class': 'tab-more-menu simple-menu', style: 'display:none;'} ).update(moreMenuContent));
    
    var simpleMenu = SUI.simplemenu(moreActivator.down('a'), contentID, {alignment: 'right', update: function(content) {
      var items = $(content).select("ul.menu li");
      if (moreActivator) {
        items.invoke("show");
        items.invoke("removeClassName", "active");
        tabbedBox.select("div.sui-tabs ul li").each(function(tab, index) {
          if (tab.hasClassName('active')) { items[index].addClassName('active'); }
          items[index][(Math.abs(firstTab.cumulativeOffset()['top'] - tab.cumulativeOffset()['top']) > 5) ?  'show' : 'hide']();
        });
      }
    }});
    
    Object.extend(tabbedBox, {
      selectTab: selectTab,
      state: state
    });
    
    var object = {
      tabbedBox: tabbedBox,
      selectTab: selectTab,
      moreMenu: simpleMenu,
      state: state,
      unload: unload
    };
    
    return object;
  };
  
  spiceworks.ui.menuSet = function(container, spec){
    container = $(container);
    spec = Object.extend({
      items:$A(),
      activator:'<a href="#" class="menu-set-activator"><em>menu</em></a>',
      menuTag:'li',
      onclick: Prototype.emptyFunction,
      onshow: Prototype.emptyFunction,
      placementSelector: null,
      itemSelector:'tr',
      beforeInsertion:'',
      position:'bottom',
      template:null
    }, spec || {});
    
    if (!spec.template) spec.template = new Template('<div id="#{id}" class="menu-set" style="display:none"><ul>#{items}</ul></div>');

    var menu = {
      id:container.id + '-menu-set',
      items:spec.items.collect(function(item){
        return '<' + spec.menuTag + '>' + item + '</' + spec.menuTag + '>';
      }).join("\n")
    };

    container.insert({before:spec.template.evaluate(menu)}); // insert the menu just before the container node so that z-indexing and stuff works nicely
    var relatedMenu = $(menu.id);
    
    var insertion = {};
    insertion[spec.position] = spec.beforeInsertion + spec.activator;
    container.select(spec.placementSelector).each(function(insertionPoint){
      insertionPoint.insert(insertion);
    });
    
    document.observe('table-row:added', function(event){
      var row = $(event.memo);
      if (row.up('table').id == container.down('table').id){
        // new row added to the table we are concerned with
        row.down(spec.placementSelector).insert(insertion);
      }
    });

    function showMenu(activator){
      clearHideTimeout();
      container.select('.menu-set-shown').invoke('removeClassName', 'menu-set-shown');
      activator.up(spec.itemSelector).addClassName('menu-set-shown');
      spec.onshow(activator, relatedMenu);
      relatedMenu.show();
      
      var offsetTop = activator.offsetHeight - 1;
      if (Prototype.Browser.IE) offsetTop = offsetTop - 2;
      if (Browser.ie7) offsetTop = (offsetTop - 3) + container.scrollTop;
      
      relatedMenu.clonePosition(activator, {
        setHeight:false,
        setWidth:false,
        offsetTop: offsetTop,
        offsetLeft: -(relatedMenu.offsetWidth - activator.offsetWidth)
      });
    };
    function beginHide(){
      hideTimeout = setTimeout(function(){ hideMenu(); }, 250);
    };
    function hideMenu(){
      container.select('.menu-set-shown').invoke('removeClassName', 'menu-set-shown');
      relatedMenu.hide();
    };
    var hideTimeout;
    function clearHideTimeout(){
      if (!hideTimeout) return;
      clearTimeout(hideTimeout);
      hideTimeout = null;
    };
    
    container.observe('mouseover', function(event){
      var element = event.element();
      if (element.hasClassName('menu-set-activator') || element.up('a.menu-set-activator')) showMenu(element);
    });
    container.observe('mouseout', function(event){
      var element = event.element();
      if (element.hasClassName('menu-set-activator') || element.up('a.menu-set-activator')) beginHide();
    });
    relatedMenu.observe('mouseover', function(event){ clearHideTimeout(); });
    relatedMenu.observe('mouseout', function(event){ beginHide(); });
    relatedMenu.observe('click', function(event){
      event.memo = container.down('tr.menu-set-shown');
      spec.onclick(event);
      beginHide();
    });
  };
  
})(SPICEWORKS);

(function (spiceworks) {
  

  // == SPICEWORKS.utils ==
  // A namespace for things that don't fit anywhere else currently.  These are mostly related to integration
  // with external services and the like.
  spiceworks.utils = {};
  
  
  // Include an external script
  // EX:
  //   SPICEWORKS.utils.include('http://myserver/my.js');
  spiceworks.utils.include = function (script_filename, callback) {
    var head = document.getElementsByTagName('head')[0], 
        script = document.createElement('script');
        
    script.type = 'text/javascript';
    script.src = script_filename;

    if (callback){
      var done = false;
      script.onload = script.onreadystatechange = function(){
        if (!done && (!this.readyState || this.readyState == "loaded" || this.readyState == "complete")) {
          done = true;
          callback();

          // Handle memory leak in IE
          script.onload = script.onreadystatechange = null;
          script.parentNode.removeChild(script);
        }
      };
    }

    head.appendChild(script);
  };
  
  // Load external JSONP and pass it into a supplied callback function.
  // Any query parameters should be passed in as a Javascript object.
  // EX:
  //   SPICEWORKS.utils.jsonp('http://example.com/foo.js', {'foo':'bar'}, function(response){
  //     console.log(response);
  //   });
  spiceworks.utils.jsonpCallbacks = {}; // Container for callback functions
  spiceworks.utils.jsonp = function(url, params, callback, identifier) {
    if(!identifier){
      identifier = Math.floor(Math.random()*10000000);
    }
    spiceworks.utils.jsonpCallbacks[identifier] = callback;
    url = url + '?' + Object.toQueryString(Object.extend(params, {
      'callback':'SPICEWORKS.utils.jsonpCallbacks[' + identifier.toJSON() + ']'
    }));
    spiceworks.utils.include(url, function(){
      delete spiceworks.utils.jsonpCallbacks[identifier];
    });
  };
  
  
  // Quickly add some style to the document.  Any valid Stylesheet style string works here.
  // EX:  SPICEWORKS.utils.addStyle("body { background-color: red }");
  spiceworks.utils.addStyle = function (cssText) {
    var styleNode = document.createElement('style');
    styleNode.setAttribute("type", "text/css");
    if (styleNode.styleSheet) { // workaround for IE
      styleNode.styleSheet.cssText = cssText;
    } else if (Prototype.Browser.WebKit) { 
      styleNode.innerText = cssText;
    } else { // DOM
      styleNode.update(cssText);
    }
    $$('head').first().appendChild(styleNode);
  };
  
  spiceworks.utils.includeStyle = function (cssUrl) {
    // <link href="/stylesheets/print.css?1251735325" media="print" rel="stylesheet" type="text/css">
    var styleNode = document.createElement('link');
    styleNode.setAttribute("type", "text/css");
    styleNode.setAttribute("href", cssUrl);
    styleNode.setAttribute("rel", "stylesheet");
    $$('head').first().appendChild(styleNode);
  };
  
  // Switch to a new Locale
  spiceworks.utils.switchToLocale = function(locale, pluginId) {
    new Ajax.Request('/settings/advanced/save_international_settings.json', {
      parameters: 'international[locale]=' + encodeURIComponent(locale),
      onSuccess: function () {
        var loc = SPICEWORKS.utils.urlReplace({changed_locale_to:locale, selected_id:pluginId});
        document.location = loc;
      }
    });
  };
  
  // == SPICEWORKS.utils.google ==
  // Namespace for all sorts of nice google goodies
  // Users will need to set their own "key" by setting 
  //    SPICEWORKS.utils.google.key = 'mykey';
  spiceworks.utils.google = function () {
    var googleLoaded = false,
        google = null,
        that;
    
    that = {
      key: 'ABQIAAAAXU7eNwZ9M4Sc9cn16StyDBRFChKT55K5FMfS9iKz1mkixBESPBSb4vJEgLxDzIfGJkiGB3x3myIrcQ',
      
      withGoogle: function (callback) {
        if (!googleLoaded) {
          spiceworks.utils.include("http://www.google.com/jsapi?key=" + that.key, function () {
            google = window.google; // google is global, just grab for now.
            googleLoaded = true;
            
            callback(google);
          });
        } else {
          callback(google);
        }
      },
      
      withMaps: function (callback) {
        that.withGoogle(function (google) {
          google.load('maps', '2.x', {callback: function () {
            callback(GMap2);
          }});
        });
      },
      
      withVisualizations: function (packages, callback) {
        that.withGoogle(function (google) {
          google.load("visualization", "1", {packages: packages, callback: function () {
            callback(google.visualization);
          }});
        });        
      }
    };
    
    return that;
  }();
  
  
  spiceworks.utils.unloader = function(events, callback) {
    if (!events) { return; }
    events = $A([events]).flatten();    
    events.each(function(eventName) {
      var unload = function(){
        callback();
        document.stopObserving(eventName, unload);
      };
      
      document.observe(eventName, unload);
    });
  };
  
  
  spiceworks.utils.urlReplace = function (params, hash) {
    var newLoc = document.location.href.toString();
    hash = hash || document.location.hash.toString().sub(/\#/,'');
    newLoc = newLoc.sub(/\#.*/, ''); // strip off the hash for now.

    if (params) {
      Object.keys(params).each(function (param) {
        var exp = new RegExp('(\\?|\\&)' + param + '\\=[^\\&]*');

        if(newLoc.match(exp)) {
          if (!params[param]) {
            newLoc = newLoc.sub( exp, "#{1}");
          } else {
            newLoc = newLoc.sub( exp, "#{1}" + encodeURIComponent(param) + "=" + encodeURIComponent(params[param]));
          }
        } else if (newLoc.match(/\?/)) {
          if (params[param]) {
            newLoc = newLoc + "&" + encodeURIComponent(param) + "=" + encodeURIComponent(params[param]);
          }
        } else {
          if (params[param]) {
            newLoc = newLoc + "?" + encodeURIComponent(param) + "=" + encodeURIComponent(params[param]);
          }
        }
      });
    }
    newLoc = newLoc.sub( /\?\&/, "?");
    newLoc = newLoc.sub( /\&+/, "&");

    if (hash && hash !== '') {
      newLoc = newLoc + "#" + hash;
    }

    newLoc = newLoc.sub( /\&\#/, "#");

    return newLoc;
  };
  
  // QUICK LINK
  spiceworks.utils.quickLink = function ( options ) {
    var link = new Element('a', {'href':(options.href || SUI.voidLink), 'class':options['class'], 'title':options.title}).update(options.label);
    if (options.onClick) {
      link.observe('click', function (event) {
        if (!Event.element(event).hasClassName('disabled')) {
          options.onClick(event);
        }
      });
    }
    return link;
  };
  
  
  
  spiceworks.utils.contentType = {
    lang: 'application/x-vnd.spiceworks.lang',
    multipart: 'multipart/mixed',
    js: 'text/javascript',
    ticketqueue:'multipart/mixed+ticketqueue',
    helpdesk: 'application/x-vnd.spiceworks.helpdesk'
  };
  
})(SPICEWORKS);

(function (spiceworks) {
  
  // == SPICEWORKS.version ==
  // see _script_includes.html.erb for more info on how this gets setup.
  // if( SPICEWORKS.version && SPICEWORKS.version.full_version)
  spiceworks.version = function () {
    function pad(str, length){
      str = new String(str);
      while (str.length < length) { 
        str = '0' + str; 
      }
      return str;
    }
    function normalize(major, minor, revision) {
      var normalized = [pad(major, 2), pad(minor,2), pad(revision, 10)].join('');
      return parseInt(normalized, 10);
    }
    
    var version = {
      pad: pad,
      normalize: normalize,
      setVersionInfo: function (versionInfo) {
        Object.keys(versionInfo).each(function (key) {
          version[key.sub(/_vers?ion|svn_/, '')] = versionInfo[key];
        });
      },
      
      toString: function () {
        return version.full;
      },
      
      // A helper function to figure out what version is running.
      // EX: version.is('>= 4')
      // Parameter Ex: >= 4, >= 4.1, = 4.5.12345
      is: function (check) {
        var match, operator,
            major, minor, revision,
            curMajor, curMinor, curRevision;
        
        match = check.match(/(\>|\<|\={1,2}|\>\=|\<\=)\s?(\d+)\.?(\d*)\.?(\d*)/);
        
        if (!match) {
          throw "Expects a string in the form '[operator] [version]'.  Ex: SPICEWORKS.version.is('>= 4.0')";
        }
        
        operator = match[1];
        major = match[2];
        minor = match[3];
        revision = match[4];
        
        curMajor = version.major;
        curMinor = version.minor;
        curRevision = version.revision;

        if (operator == '=') {
          operator = '==';
        }
        if (minor == '') {
          curMinor = 0;
        }
        if (revision == '') {
          curRevision = 0;
        }
        
        check = normalize(curMajor, curMinor, curRevision) + 
                operator + 
                normalize(major, minor, revision);
        
        return eval(check);
      }
    };
    
    return version;
  }();
  
})(SPICEWORKS);

// Copyright © 2006-09 Spiceworks, Inc.  All Rights Reserved.  http://www.spiceworks.com

var Activation = {
  activatingNewPortal: function(){
    var container = $('activate_new_portal').down('div.inner');
    LoadingMessage.set(container, 'Activating &hellip;');
  },
  activatedNewPortal: function(){
    var container = $('activate_new_portal').down('div.inner');
    StatusMessage.set(container, '<img src="/images/icons/medium/check-transparent.gif" /> Activated!');
    this.hideActivator();
    Flyover.destroy.delay(1, container);
  },
  reactivatingOldPortal: function(){
    var container = $('reactivate_old_portal').down('div.inner');
    LoadingMessage.set(container, 'Reactivating &hellip;');
  },
  reactivatedOldPortal: function(){
    var container = $('reactivate_old_portal').down('div.inner');
    StatusMessage.set(container, '<img src="/images/icons/medium/check-transparent.gif" /> Reactivated!');
    this.hideActivator();
    Flyover.destroy.delay(1, container);
  },
  hideActivator: function(){
    var activator = $$$('a.portal-activator');
    if (activator) activator.hide();
  }
};

var RichTextEditor = {
  replaceTextArea:function(id, options){
    options = (options || '{}').evalJSON();

    var element = this._textarea(id);
    if (!element || !element.id) return;
    
    var oFCKeditor = new FCKeditor(element.id, '100%', element.getStyle('height'));
    oFCKeditor.BasePath = "/javascripts/fckeditor/";

    if (element.up('#sidebar')) oFCKeditor.ToolbarSet = 'PortalSidebar';
    else oFCKeditor.ToolbarSet = 'PortalMain';
    
    oFCKeditor.Config['CustomConfigurationsPath'] = options.config_path || null;
    oFCKeditor.Config['EditorAreaCSS'] = options.css_path || null;
    
    oFCKeditor.ReplaceTextarea();
  },
  insertAtCursor:function(id, text){
    var editor = this.get(id);
    if (editor) editor.InsertHtml(text);
  },
  save: function(element){
    var editor = this.get(element);
    if (editor) editor.UpdateLinkedField();
  },
  get: function(id){
    var element = this._textarea(id);
    if (element) return FCKeditorAPI.GetInstance(element.id);
  },
  _textarea: function(id){
    var element = $(id);
    if (!element.hasClassName('wysiwyg')) element = element.down('textarea.wysiwyg');
    return element;
  }
};

/* Copyright © 2006-09 Spiceworks, Inc.  All Rights Reserved.  http://www.spiceworks.com */
/*

js for the portal only, not the admin side of the portal

*/

var Portal = {
  initialize: function(options){
    this.options = Object.extend({
      loggedIn:false,
      admin:false
    }, options || {});

    if (this.options.admin) this.setupAdmin();
  },
  setupAdmin: function(){
    AdminBar.initialize();
    this.makeSortable();

    // konami
    (function(){var keyed = [], code = "38,38,40,40,37,39,37,39,66,65";document.observe('keydown', function(e){keyed.push(e.keyCode);if (keyed.toString().indexOf(code) > -1){keyed = [];var el = new Element('div', {id:'konami', style:'position:absolute;top:0;left:0;'}).update('<img src="/images/other/gradient-dark-to-light.gif" />');document.body.insert(el);var endingDims = document.viewport.getDimensions();new Effect.Morph(el, {style:'top:' + endingDims.height + 'px;', duration:5.0});new Effect.Morph(el, {style:'left:' + endingDims.width + 'px;', duration:5.0});Element.remove.delay(5, el);}});})();
  },
  articleMenuSelect: function(menu){
    var selected = menu.value;
    if (selected != '') document.location.href = '/portal/page/' + selected;
    else document.location.href = '/portal/new_page?article=true';
  },
  
  disableSubmit: function(form){
    form = $(form);
    // disable the button so the user can't keep clicking it again and again like a silly goose
    form.down('p.button input').disabled = true;
  },
  showRemainingTickets: function(activator){
    activator = $(activator);
    var block = activator.up('.content-block');
    activator.up('p').hide();
    block.select('.ticket-cutoff').invoke('show');
    block.down('ul.ticket-list').addClassName('ticket-list-show-all');
    return false;
  },

  /* edit page methods
  **********************************************************************************************************/
  pageFormSubmit: function(){
    this.newPage = true;
    this.options.pageName = $F('user_portal_page_name');
    this.options.isProtected = $('user_portal_page_protected').checked;
    var oldPageName = $('navigation').down('li:last-child a').innerHTML;
    $('navigation').select('li:not(li.new-tab) a').last().update(this.options.pageName);
    document.title = document.title.replace(oldPageName, this.options.pageName);
    
    new Ajax.Request('/portal/check_page_name', {parameters:'name=' + encodeURIComponent(this.options.pageName)});
    return false;
  },
  newPageCreated: function(pageID){
    delete this.newPage;
    delete this.options.pageName;
    delete this.options.isProtected;
    this.options.page = pageID;
    SPICEWORKS.fire('portalv2:newPageCreated');
  },
  saveEdit: function(){
  },
  cancelEdit: function(){
  },
  removeBlock: function(activator){
    if (this.ensureRemovable(activator)){
      var block = $(activator).up('.content-block'), parent = block.up('div');
      var postBody = 'page=' + this.options.page + '&index=' + Portal.blockIndex(block.id) + '&location=' + parent.id + '&block=' + block.getAttribute('block') + '&element=' + encodeURIComponent(block.id);
      new Ajax.Request('/portal/remove_content', {parameters:postBody});
    }
  },
  ensureRemovable: function(activator){
    var block = $(activator).up('.content-block'), parent = block.up('div');
    
    // user is trying to remove a block that has never been saved, just remove it from the DOM and be done with it
    // return false so that the remove action isn't triggered on the server
    if (block.hasClassName('unsaved-content-block')) {
      block.remove();
      return false;
    } else if (parent.id == 'main' && parent.select('div.content-block').size() == 1) {
      // trying to remove the only main block on the page, this is not allowed
      alert('A page must have at least one main content block, this cannot be removed');
      return false;
    } else return confirm('Are you sure?');
  },
  
  // theme methods
  contentAdded: function(section){
    this.makeSortable();

    $(section).select('div.placeholder-block').invoke('remove');
    $(section).down('div.content-block').highlight({duration:0.5});
    SPICEWORKS.fire('portalv2:contentAdded');
  },
  themeChange: function(choice){
    choice = $(choice);
    // remember the originally active theme, but don't overwrite it a second time
    if (!this.originalTheme) this.originalTheme = this.activeTheme();
    this.switchTheme(choice.value);
    this.dirtyTheme = true;
  },
  undoThemeChange: function(){
    this.switchTheme(this.originalTheme);
  },
  activeTheme: function(){
    var theme = document.body.className.match(/theme-\w*/);
    return (theme ? theme[0] : null);
  },
  switchTheme: function(newTheme){
    if (this.activeTheme()) document.body.className = document.body.className.replace(/theme-\w*/, newTheme);
    else document.body.addClassName(newTheme);
    SPICEWORKS.fire('portalv2:themeChanged', newTheme);
  },
  cancelPreferenceChange: function(){
    var preferences = $('preferences');
    if (preferences) {
      preferences.hide();
      preferences.down('form').reset();
    }
    if (this.dirtyTheme) this.restoreState();
    return false;
  },
  cancelPageEdit: function(){
    $$('.darkbox, .lightbox').invoke('remove');
    return false;
  },
  themeBoxPreference: function(boxControl){
    if (!this.originalBoxPreference) this.originalBoxPreference = this.activeBoxPreference();
    this.switchBoxPreference(boxControl.value);
    this.dirtyTheme = true;
  },
  activeBoxPreference: function(){
    var box = document.body.className.match(/box-\w*/);
    return (box ? box[0] : null);
  },
  switchBoxPreference: function(newBoxPref){
    if (this.activeBoxPreference()) document.body.className = document.body.className.replace(/box-\w*/, newBoxPref);
    else document.body.addClassName(newBoxPref);
    SPICEWORKS.fire('portalv2:boxPreferenceChanged', newBoxPref);
  },
  restoreState: function(){
    if (this.originalTheme) this.switchTheme(this.originalTheme);
    if (this.originalBoxPreference) this.switchBoxPreference(this.originalBoxPreference);
  },

  /* rearranging methods
  **********************************************************************************************************/
  makeSortable: function(){
    // setup the sortable to allow rearranging of blocks within a column or from one column to another
    // relies on several overridden methods from dragdrop.js that are overridden in this file
    // Sortable#findElements, Sortable#mark, Draggables#activate
    if ($$('#content.is-article').size() > 0) return;
    Sortable.create('content', {tagSelector:'div.content-block', handle:'move', constraint:'', containment:['main', 'sidebar'], ghosting:true, onChange: this.renderPlaceholder.bind(this), onUpdate: this.reordered.bind(this)});
  },
  renderPlaceholder: function(element){
    // called whenever the content blocks are rearranged while in the middle of a drag
    // relies on the overridden Sortable#mark (runs before this callback is invoked) method setting two properties on the Sortable object

    // fetch the sortable object, the element passed in is the block that is being dragged
    var sortable = Sortable.options(element);
    
    // before we draw a placeholder, remove the existing placeholder (if applicable)
    $('content').select('.placeholder-block').invoke('remove');

    // the element that will be the new placeholder
    var placeholder = new Element('div', {'class':'content-block placeholder-block'}).update('<h3>Block will appear here</h3>');

    // the markedPosition & markedElement properties are set in our overridden Sortable#mark method
    if (sortable.markedPosition == 'before'){
      // most common case, draw the placeholder before the marked element
      element.parentNode.insertBefore(placeholder, sortable.markedElement);
    } else {
      // draw the placeholder after the marked element, if there is no next element then insert the placeholder at the end of the element
      if (sortable.markedElement.nextSibling) element.parentNode.insertBefore(placeholder, sortable.markedElement.nextSibling);
      else element.parentNode.appendChild(placeholder);
    }
  },
  reordered: function(sortableElement){
    // called after a dragon is complete

    // remove the placeholder element
    sortableElement.select('.placeholder-block').invoke('remove');
    
    // fetch the blocks in the main and sidebar areas, so we can do different things based on the state of those columns
    var sidebarContent = sortableElement.select('div#sidebar div.content-block'), mainContent = sortableElement.select('div#main div.content-block');
    if (sidebarContent.size() > 1 && sortableElement.hasClassName('no-sidebar-content')){
      // an element has been dragged into an empty sidebar, need to remove a few meta attributes on the sidebar now that it has real content
      sortableElement.removeClassName('no-sidebar-content');
      sortableElement.down('div.sidebar-placeholder').remove();
    } else if (sidebarContent.size() == 0){
      // the last element in the sidebar was dragged out, now we need to add a class to the container and render a placeholder
      // this placeholder element is a hack to allow dragging into the seemingly empty sidebar
      sortableElement.addClassName('no-sidebar-content');
      sortableElement.down('#sidebar').insert('<div class="content-block sidebar-placeholder">Drag content here to create a sidebar on this page</div>');
      // since we added a new element to the page, we need to renew our sortable
      this.makeSortable();
    }

    // if something was dragged out of the main area, we will need to do a few extra things if there is one element remaining (which cannot be moved)
    if (mainContent.size() == 1){
      // there is only one element in the main area, it cannot be moved until more than one element exists in the main area
      var mover = mainContent.first().down('a.move');
      // save off the title of the move control so we can add it back later
      mover.setAttribute('old_title', mover.title);
      mover.title = 'Cannot move the only main block';
      mover.up('li').addClassName('disabled');
    } else {
      // some other dragon event occurred, see if we need to enable a disabled move control
      var disabledMover = mainContent.first().up().select('div.edit-block li.disabled a');
      if (disabledMover.size() > 0){
        // there will only be one of these controls that is disabled
        disabledMover = disabledMover.first();
        // restore the saved title
        disabledMover.setAttribute('title', disabledMover.getAttribute('old_title'));
        disabledMover.up('li').removeClassName('disabled');
      }
    }
    
    // save the page state to the server
    this.saveReordering();
  },
  saveReordering: function(){
    SPICEWORKS.fire('portalv2:pageReordered');
    
    // do not try to save state if this is a new page (no page attribute present) or the user has removed all the main content
    if (!$('main').down('div.content-block')) return;

    new Ajax.Request('/portal/save_state', {parameters:this.serializePage()});
  },
  

  /* utility methods
  **********************************************************************************************************/
  dismissNotice: function(){
    $$('#notice').invoke('remove');
  },
  blockIndex: function(blockID){
    // for a given ID, which is assumed to be an immediate descendent of a primary wrapper (main or sidebar), then this will return the index of that item
    return $(blockID).up().select('div.content-block').pluck('id').indexOf(blockID);
  },
  
  
  // given a container, will reset its contents to the innerHTML of the container, useful for resetting parts of a form such as an file input control which cannot be accessed via JavaScript
  resetHTML: function(container){
    // need to use a delay here because the link that called into this method is going to overwritten .. IE doesn't like that
    (function(container){ container.update(container.innerHTML); }).delay(0.1, container);
    return false;
  },
  serializePage: function(location){
    // have to use a custom serializer here because the built-in one that comes with Sortable does not meet our needs
    var body = 'page=' + this.options.page + '&' + this._serializeSection('main') + '&' + this._serializeSection('sidebar') + '&authenticity_token=' + encodeURIComponent(this.options.authenticityToken);
    if (typeof this.newPage != 'undefined'){
      body += '&page_name=' + encodeURIComponent(this.options.pageName);
      if (this.options.isProtected) body += '&protected=true';
    }
    return body;
  },
  
  /* internal use methods
  **********************************************************************************************************/
  _serializeSection: function(section){
    // custom serializer for sortable
    // yields the value of the block attribute for each valid block
    // placeholder blocks are not valid, we will just reject them from the collection
    return section + '[]=' + $(section).select('.content-block').reject(function(el){
      return el.className.match(/placeholder/);
    }).collect(function(block){
      return encodeURIComponent(block.getAttribute('block'));
    }).join('&' + section + '[]=');
  }
};

var Block = {
  cancelEdit: function(activator){
    activator = $(activator);
    var editBlock = activator.up('.content-block');
    var block = $(editBlock.id.replace('edit-', ''));
    editBlock.remove();
    block.show();
    return false;
  },
  cancelNew: function(activator){
    activator = $(activator);
    var block = activator.up('.content-block'), parent = block.up('div');
    if (block) block.remove();
    return false;
  },
  moveNew: function(block){
    block = $(block);
    if (block) block.remove();
  },
  submit: function(form){
    form = $(form);
    if (typeof Portal.newPage != 'undefined'){
      form.down('input.new-page-name').setValue(Portal.options.pageName);
      form.down('input.new-page-protected').setValue(Portal.options.isProtected);
    }
    var editor = form.down('textarea.wysiwyg');
    if (editor) RichTextEditor.save(editor);
  }
};

// override a few methods that are defined in dragdrop.js for our special case usage
// this object only exists when dragdrop.js is included on the page and that only occurs when an admin is logged in
if (typeof Sortable != 'undefined'){

  // the Sortable#findElements method is a lot handier when it works with a selector
  Sortable.findElements = function(element, options){
    if (options.tagSelector) return element.select(options.tagSelector);
    else return Element.findChildren(element, options.only, options.tree ? true : false, options.tag);
  };
  
  // need to wrap Sortable#mark method so that we can setup a few properties on the sortable object since these values are not passed to the onChange callback like we want them to be
  Sortable.mark = Sortable.mark.wrap(function(){
    var args = $A(arguments), proceed = args.shift();
    proceed.apply(this, args);

    // fetch the sortable object
    var sortable = Sortable.options(args[0]);
    // in scriptaculous 1.8.2, this method is passed an element and a position where the dragged element will be inserted, we want to save those properties
    sortable.markedElement = args[0];
    sortable.markedPosition = args[1];
  });
  
  // need to wrap the Draggable#activate method so that if our placeholder element (for an empty sidebar) is dragged
  // we are using that placeholder element in the sidebar to allow dragging objects into the sidebar without having to do anything terribly tricky
  Draggables.activate = Draggables.activate.wrap(function(){
    var args = $A(arguments), proceed = args.shift(), draggable = args[0], parent = draggable.element.parentNode;
    
    // before allowing the dragon activation to occur, make sure the dragged element isn't a placeholder or isn't the last object in the main area
    if (draggable.element.hasClassName('sidebar-placeholder')) return;
    else if (parent.id == 'main' && parent.select('div.content-block').size() == 1) alert('Must leave at least one block in the main area');
    else proceed.apply(this, args);
  });
}

var AdminBar = {
  initialize: function(){
    this.bar = $('admin-bar');
    $('container').setStyle({paddingTop:this.bar.getHeight() + 'px'});

    if (document.location.search.indexOf('designer=true') > -1) this.designMode();
    else if (document.location.search.indexOf('preview=true') > -1) this.endUserMode();
    else if (Cookie.get('portal-admin-view') == 'end-user') this.endUserMode();
    
    SUI.simplemenu($("add-page-content-button"), $("add-content"), { activateOn: 'click', closeButton: ['input.close', 'a.button-add-new-content'], offsetTop:-17});
    SUI.simplemenu($("jump-to-button"), $("jump-to"), { activateOn: 'click', closeButton: ['input.close', 'a'], offsetTop:-19});
    SUI.simplemenu($("portal-preferences-button"), $("preferences"), { activateOn: 'click', closeButton: 'input.close', offsetTop:-19});
    SUI.simplemenu($("page-settings-button"), $("page-settings"), { activateOn: 'click', closeButton: 'input.close', offsetTop:-17});
    SUI.simplemenu($("new-tab-button"), $("new-tab"), { alignment:'left', activateOn: 'click', closeButton: 'input.close', offsetTop:-19});

    SPICEWORKS.fire('portalv2:adminBarInit');
  },
  addContent: function(blockToAdd){
    if (blockToAdd != ''){
      var postBody = '';
      if (Portal.options.page){
        postBody += '&page=' + Portal.options.page;
      } else if (typeof Portal.newPage != 'undefined') {
        postBody += '&new_page[name]=' + encodeURIComponent(Portal.options.pageName);
        if (Portal.options.isProtected) postBody += '&new_page[protected]=true';
      }
      if (blockToAdd != '__createnew__') postBody += '&block=' + blockToAdd;
      
      // don't let a new content block be added if there already is one unsaved block on the page
      if ($('new_user_portal_block')) return;
      
      new Ajax.Request('/portal/new_content', {parameters:postBody});
    }
  },
  designMode: function(){
    // note the $() call on body is for IE7 only, IE8 in IE7 compatibility mode even gets it right ARRGGHH
    $(document.body).removeClassName('end-user-mode');
    Cookie.set('portal-admin-view', 'admin-user');
    SPICEWORKS.fire('portalv2:designMode');
  },
  endUserMode: function(){
    // note the $() call on body is for IE7 only, IE8 in IE7 compatibility mode even gets it right ARRGGHH
    $(document.body).addClassName('end-user-mode');
    Cookie.set('portal-admin-view', 'end-user');
    SPICEWORKS.fire('portalv2:endUserMode');
  },
  toggleNewTab: function(clicked){
    document.location.href = '/portal/new_page';
  },
  toggleJumpTo: function(clicked){
    clicked = $(clicked);
    var jumpTo = $('jump-to');
    if (jumpTo && jumpTo.visible()) jumpTo.hide();
    else if (jumpTo && jumpTo.hasClassName('positioned')) this.showSimpleMenu(jumpTo);
    else if (jumpTo) this.showSimpleMenuFirstTime(jumpTo, clicked);
  },
  togglePreferences: function(clicked){
    clicked = $(clicked);
    var preferences = $('preferences');
    if (preferences && preferences.visible()) preferences.hide();
    else if (preferences) this.showSimpleMenu(preferences);
    else new Ajax.Request('/portal/preferences', {onComplete:this.showSimpleMenuFirstTime.bind(this, 'preferences', clicked)});
  },
  togglePageSettings: function(clicked){
    clicked = $(clicked);
    var settings = $('page-settings');
    if (settings && settings.visible()) settings.hide();
    else if (settings) this.showSimpleMenu(settings);    
    else if (settings && settings.hasClassName('positioned')) this.showSimpleMenu(settings);
    else if (settings) this.showSimpleMenuFirstTime(settings, clicked);
  },
  toggleAddContent: function(clicked){
    clicked = $(clicked);
    var addContent = $('add-content');
    if (addContent && addContent.visible()) addContent.hide();
    else if (addContent && addContent.hasClassName('positioned')) this.showSimpleMenu(addContent);
    else if (addContent) this.showSimpleMenuFirstTime(addContent, clicked);
  },
  showSimpleMenu: function(menu){
    $$('div.simple-menu').select(function(e){ return e.visible(); }).invoke('hide');
    menu.show();
  },
  showSimpleMenuFirstTime: function(menu, clickedFrom){
    menu = $(menu);
    $$('div.simple-menu').select(function(e){ return e.visible(); }).invoke('hide');
    var clickedDims = clickedFrom.getDimensions(), clickedOffsets = clickedFrom.cumulativeOffset();
    var right = (document.body.getWidth() - (clickedDims.width + clickedOffsets.left)) - 4;
    menu.setStyle({top: (clickedOffsets.top - 3) + 'px', right: right + 'px', marginRight: clickedFrom.getStyle('padding-right')}).show().addClassName('positioned');
  }
};

var Lightbox = {
  setup: function(){
    var viewportHeight = document.viewport.getHeight(), bodyHeight = $(document.body).getHeight();
    $$('.darkbox').invoke('setStyle', {height:(viewportHeight > bodyHeight ? viewportHeight : bodyHeight) + 'px'});
  },
  remove: function(){
    $$('.darkbox, .lightbox').invoke('remove');
  }
};

var Flyover = {destroy:Lightbox.remove};

var LoadingMessage = {
  set: function(el, message) {  
    if (!message) { message = "Loading&hellip;"; }
    StatusMessage.set(el, message, {'className': 'loading'});
  }
};

var StatusMessage = {
  set: function(el, message, options) {
    this.options = Object.extend({ className: '' }, options || {});    
     
    el = $$$(el);
    
    if (!el) { return; };    
    var loadingMessage = new Element('div', {'class': "sui-status-message" + " " + this.options['className'] }).update(new Element('h3').update(new Element("span").update(message)));
    
    el.update(loadingMessage);
  }
};

var CalendarPopup = { 
  setup:function(textFieldID, triggerID, additionalOptions) {
    var calendar;
    additionalOptions = additionalOptions || {};
    // silently fail if the nodes to attach the calendar to cannot be found
    if( $(textFieldID) && (!triggerID || $(triggerID)) ){
      calendar = Calendar.setup({ 
        inputField : textFieldID, // ID of the input field 
        ifFormat : additionalOptions.dateFormat, // the date format 
        button : triggerID, // ID of the button
        align : 'Bl',
        single_click : true,
        step : 1, // show every year in menu
        cache : true, // reuse the div is calendar is reopened
        showOthers : true,
        weekNumbers : false,
        onUpdate: additionalOptions.onUpdate,
        getDateStatus: additionalOptions.getDateStatus
      }); 
    }
    return calendar;
  }
};

var Cookie = {
  get: function( name ){
    var nameEQ = encodeURIComponent(name) + "=", ca = document.cookie.split(';');
    for (var i = 0, c; i < ca.length; i++) {
      c = ca[i];
      while (c.charAt(0) == ' ') c = c.substring(1, c.length);
      if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    }
    return null;
  },
  set: function( name, value, options ){
    options = (options || {});
    if ( options.expiresInOneYear ){
      var today = new Date();
      today.setFullYear(today.getFullYear()+1, today.getMonth, today.getDay());
      options.expires = today;
    }
    var curCookie = encodeURIComponent(name) + "=" + encodeURIComponent(value) + 
      ((options.expires) ? "; expires=" + options.expires.toGMTString() : "") + 
      ((options.path)    ? "; path="    + options.path : "") + 
      ((options.domain)  ? "; domain="  + options.domain : "") + 
      ((options.secure)  ? "; secure" : "");
    document.cookie = curCookie;
  },
  removeCookie: function (key) {
    var date = new Date();
    date.setTime(date.getTime()-(1*24*60*60*1000));
    this.set(key, '', {expires: date});
  },
  hasCookie: function( name ){
    return document.cookie.indexOf( encodeURIComponent(name) ) > -1;
  }
};

Ajax.Responders.register({
  onCreate: function(request){
    document.fire('ajax:started', request); // fire a custom event when an ajax request is started

    // This will ensure that all AJAX posts have an authenticity token so we won't
    // cause rails to throw an ActionController::InvalidAuthenticityToken exception.
    if (request.method == 'post' && Portal.options.authenticityToken) {
      // If we don't have a postBody, force one.  This is our only chance
      // to change what gets posted, because Ajax.Request will always use
      // the postBody if present and it's too late to add to request.options.parameters.
      if (!request.options.postBody)
        request.options.postBody = Object.toQueryString(request.parameters);
      
      var encodedToken = encodeURIComponent(Portal.options.authenticityToken);
      var regex = new RegExp(encodedToken);
      if (!regex.match(request.options.postBody)) request.options.postBody += "&authenticity_token=" + encodedToken;
    }
  },
  onComplete: function(request){
    document.fire('ajax:completed', request); // fire a custom event when an ajax request is completed for observers
  }
});

function $$$(selector) {
    return ($(selector) || $$(selector).first() || null);
}

/*  Copyright Mihai Bazon, 2002-2005  |  www.bazon.net/mishoo
 * -----------------------------------------------------------
 *
 * The DHTML Calendar, version 1.0 "It is happening again"
 *
 * Details and latest version at:
 * www.dynarch.com/projects/calendar
 *
 * This script is developed by Dynarch.com.  Visit us at www.dynarch.com.
 *
 * This script is distributed under the GNU Lesser General Public License.
 * Read the entire license text here: http://www.gnu.org/licenses/lgpl.html
 */
 Calendar=function(firstDayOfWeek,dateStr,onSelected,onClose){this.activeDiv=null;this.currentDateEl=null;this.getDateStatus=null;this.getDateToolTip=null;this.getDateText=null;this.timeout=null;this.onSelected=onSelected||null;this.onClose=onClose||null;this.dragging=false;this.hidden=false;this.minYear=1970;this.maxYear=2050;this.dateFormat=Calendar._TT["DEF_DATE_FORMAT"];this.ttDateFormat=Calendar._TT["TT_DATE_FORMAT"];this.isPopup=true;this.weekNumbers=true;this.firstDayOfWeek=typeof firstDayOfWeek=="number"?firstDayOfWeek:Calendar._FD;this.showsOtherMonths=false;this.dateStr=dateStr;this.ar_days=null;this.showsTime=false;this.time24=true;this.yearStep=2;this.hiliteToday=true;this.multiple=null;this.table=null;this.element=null;this.tbody=null;this.firstdayname=null;this.monthsCombo=null;this.yearsCombo=null;this.hilitedMonth=null;this.activeMonth=null;this.hilitedYear=null;this.activeYear=null;this.dateClicked=false;if(typeof Calendar._SDN=="undefined"){if(typeof Calendar._SDN_len=="undefined")Calendar._SDN_len=3;var ar=new Array();for(var i=8;i>0;){ar[--i]=Calendar._DN[i].substr(0,Calendar._SDN_len);}Calendar._SDN=ar;if(typeof Calendar._SMN_len=="undefined")Calendar._SMN_len=3;ar=new Array();for(var i=12;i>0;){ar[--i]=Calendar._MN[i].substr(0,Calendar._SMN_len);}Calendar._SMN=ar;}};Calendar._C=null;Calendar.is_ie=(/msie/i.test(navigator.userAgent)&&!/opera/i.test(navigator.userAgent));Calendar.is_ie5=(Calendar.is_ie&&/msie 5\.0/i.test(navigator.userAgent));Calendar.is_opera=/opera/i.test(navigator.userAgent);Calendar.is_khtml=/Konqueror|Safari|KHTML/i.test(navigator.userAgent);Calendar.getAbsolutePos=function(el){var SL=0,ST=0;var is_div=/^div$/i.test(el.tagName);if(is_div&&el.scrollLeft)SL=el.scrollLeft;if(is_div&&el.scrollTop)ST=el.scrollTop;var r={x:el.offsetLeft-SL,y:el.offsetTop-ST};if(el.offsetParent){var tmp=this.getAbsolutePos(el.offsetParent);r.x+=tmp.x;r.y+=tmp.y;}return r;};Calendar.isRelated=function(el,evt){var related=evt.relatedTarget;if(!related){var type=evt.type;if(type=="mouseover"){related=evt.fromElement;}else if(type=="mouseout"){related=evt.toElement;}}while(related){if(related==el){return true;}try{related=related.parentNode;}catch(e){related = null;}}return false;};Calendar.removeClass=function(el,className){if(!(el&&el.className)){return;}var cls=el.className.split(" ");var ar=new Array();for(var i=cls.length;i>0;){if(cls[--i]!=className){ar[ar.length]=cls[i];}}el.className=ar.join(" ");};Calendar.addClass=function(el,className){Calendar.removeClass(el,className);el.className+=" "+className;};Calendar.getElement=function(ev){var f=Calendar.is_ie?window.event.srcElement:ev.currentTarget;while(f.nodeType!=1||/^div$/i.test(f.tagName))f=f.parentNode;return f;};Calendar.getTargetElement=function(ev){var f=Calendar.is_ie?window.event.srcElement:ev.target;while(f.nodeType!=1)f=f.parentNode;return f;};Calendar.stopEvent=function(ev){ev||(ev=window.event);if(Calendar.is_ie){ev.cancelBubble=true;ev.returnValue=false;}else{ev.preventDefault();ev.stopPropagation();}return false;};Calendar.addEvent=function(el,evname,func){if(el.attachEvent){el.attachEvent("on"+evname,func);}else if(el.addEventListener){el.addEventListener(evname,func,true);}else{el["on"+evname]=func;}};Calendar.removeEvent=function(el,evname,func){if(el.detachEvent){el.detachEvent("on"+evname,func);}else if(el.removeEventListener){el.removeEventListener(evname,func,true);}else{el["on"+evname]=null;}};Calendar.createElement=function(type,parent){var el=null;if(document.createElementNS){el=document.createElementNS("http://www.w3.org/1999/xhtml",type);}else{el=document.createElement(type);}if(typeof parent!="undefined"){parent.appendChild(el);}return el;};Calendar._add_evs=function(el){with(Calendar){addEvent(el,"mouseover",dayMouseOver);addEvent(el,"mousedown",dayMouseDown);addEvent(el,"mouseout",dayMouseOut);if(is_ie){addEvent(el,"dblclick",dayMouseDblClick);el.setAttribute("unselectable",true);}}};Calendar.findMonth=function(el){if(typeof el.month!="undefined"){return el;}else if(typeof el.parentNode.month!="undefined"){return el.parentNode;}return null;};Calendar.findYear=function(el){if(typeof el.year!="undefined"){return el;}else if(typeof el.parentNode.year!="undefined"){return el.parentNode;}return null;};Calendar.showMonthsCombo=function(){var cal=Calendar._C;if(!cal){return false;}var cal=cal;var cd=cal.activeDiv;var mc=cal.monthsCombo;if(cal.hilitedMonth){Calendar.removeClass(cal.hilitedMonth,"hilite");}if(cal.activeMonth){Calendar.removeClass(cal.activeMonth,"active");}var mon=cal.monthsCombo.getElementsByTagName("div")[cal.date.getMonth()];Calendar.addClass(mon,"active");cal.activeMonth=mon;var s=mc.style;s.display="block";if(cd.navtype<0)s.left=cd.offsetLeft+"px";else{var mcw=mc.offsetWidth;if(typeof mcw=="undefined")mcw=50;s.left=(cd.offsetLeft+cd.offsetWidth-mcw)+"px";}s.top=(cd.offsetTop+cd.offsetHeight)+"px";};Calendar.showYearsCombo=function(fwd){var cal=Calendar._C;if(!cal){return false;}var cal=cal;var cd=cal.activeDiv;var yc=cal.yearsCombo;if(cal.hilitedYear){Calendar.removeClass(cal.hilitedYear,"hilite");}if(cal.activeYear){Calendar.removeClass(cal.activeYear,"active");}cal.activeYear=null;var Y=cal.date.getFullYear()+(fwd?1:-1);var yr=yc.firstChild;var show=false;for(var i=12;i>0;--i){if(Y>=cal.minYear&&Y<=cal.maxYear){yr.innerHTML=Y;yr.year=Y;yr.style.display="block";show=true;}else{yr.style.display="none";}yr=yr.nextSibling;Y+=fwd?cal.yearStep:-cal.yearStep;}if(show){var s=yc.style;s.display="block";if(cd.navtype<0)s.left=cd.offsetLeft+"px";else{var ycw=yc.offsetWidth;if(typeof ycw=="undefined")ycw=50;s.left=(cd.offsetLeft+cd.offsetWidth-ycw)+"px";}s.top=(cd.offsetTop+cd.offsetHeight)+"px";}};Calendar.tableMouseUp=function(ev){var cal=Calendar._C;if(!cal){return false;}if(cal.timeout){clearTimeout(cal.timeout);}var el=cal.activeDiv;if(!el){return false;}var target=Calendar.getTargetElement(ev);ev||(ev=window.event);Calendar.removeClass(el,"active");if(target==el||target.parentNode==el){Calendar.cellClick(el,ev);}var mon=Calendar.findMonth(target);var date=null;if(mon){date=new Date(cal.date);if(mon.month!=date.getMonth()){date.setMonth(mon.month);cal.setDate(date);cal.dateClicked=false;cal.callHandler();}}else{var year=Calendar.findYear(target);if(year){date=new Date(cal.date);if(year.year!=date.getFullYear()){date.setFullYear(year.year);cal.setDate(date);cal.dateClicked=false;cal.callHandler();}}}with(Calendar){removeEvent(document,"mouseup",tableMouseUp);removeEvent(document,"mouseover",tableMouseOver);removeEvent(document,"mousemove",tableMouseOver);cal._hideCombos();_C=null;return stopEvent(ev);}};Calendar.tableMouseOver=function(ev){var cal=Calendar._C;if(!cal){return;}var el=cal.activeDiv;var target=Calendar.getTargetElement(ev);if(target==el||target.parentNode==el){Calendar.addClass(el,"hilite active");Calendar.addClass(el.parentNode,"rowhilite");}else{if(typeof el.navtype=="undefined"||(el.navtype!=50&&(el.navtype==0||Math.abs(el.navtype)>2)))Calendar.removeClass(el,"active");Calendar.removeClass(el,"hilite");Calendar.removeClass(el.parentNode,"rowhilite");}ev||(ev=window.event);if(el.navtype==50&&target!=el){var pos=Calendar.getAbsolutePos(el);var w=el.offsetWidth;var x=ev.clientX;var dx;var decrease=true;if(x>pos.x+w){dx=x-pos.x-w;decrease=false;}else dx=pos.x-x;if(dx<0)dx=0;var range=el._range;var current=el._current;var count=Math.floor(dx/10)%range.length;for(var i=range.length;--i>=0;)if(range[i]==current)break;while(count-->0)if(decrease){if(--i<0)i=range.length-1;}else if(++i>=range.length)i=0;var newval=range[i];el.innerHTML=newval;cal.onUpdateTime();}var mon=Calendar.findMonth(target);if(mon){if(mon.month!=cal.date.getMonth()){if(cal.hilitedMonth){Calendar.removeClass(cal.hilitedMonth,"hilite");}Calendar.addClass(mon,"hilite");cal.hilitedMonth=mon;}else if(cal.hilitedMonth){Calendar.removeClass(cal.hilitedMonth,"hilite");}}else{if(cal.hilitedMonth){Calendar.removeClass(cal.hilitedMonth,"hilite");}var year=Calendar.findYear(target);if(year){if(year.year!=cal.date.getFullYear()){if(cal.hilitedYear){Calendar.removeClass(cal.hilitedYear,"hilite");}Calendar.addClass(year,"hilite");cal.hilitedYear=year;}else if(cal.hilitedYear){Calendar.removeClass(cal.hilitedYear,"hilite");}}else if(cal.hilitedYear){Calendar.removeClass(cal.hilitedYear,"hilite");}}return Calendar.stopEvent(ev);};Calendar.tableMouseDown=function(ev){if(Calendar.getTargetElement(ev)==Calendar.getElement(ev)){return Calendar.stopEvent(ev);}};Calendar.calDragIt=function(ev){var cal=Calendar._C;if(!(cal&&cal.dragging)){return false;}var posX;var posY;if(Calendar.is_ie){posY=window.event.clientY+document.body.scrollTop;posX=window.event.clientX+document.body.scrollLeft;}else{posX=ev.pageX;posY=ev.pageY;}cal.hideShowCovered();var st=cal.element.style;st.left=(posX-cal.xOffs)+"px";st.top=(posY-cal.yOffs)+"px";return Calendar.stopEvent(ev);};Calendar.calDragEnd=function(ev){var cal=Calendar._C;if(!cal){return false;}cal.dragging=false;with(Calendar){removeEvent(document,"mousemove",calDragIt);removeEvent(document,"mouseup",calDragEnd);tableMouseUp(ev);}cal.hideShowCovered();};Calendar.dayMouseDown=function(ev){var el=Calendar.getElement(ev);if(el.disabled){return false;}var cal=el.calendar;cal.activeDiv=el;Calendar._C=cal;if(el.navtype!=300)with(Calendar){if(el.navtype==50){el._current=el.innerHTML;addEvent(document,"mousemove",tableMouseOver);}else addEvent(document,Calendar.is_ie5?"mousemove":"mouseover",tableMouseOver);addClass(el,"hilite active");addEvent(document,"mouseup",tableMouseUp);}else if(cal.isPopup){cal._dragStart(ev);}if(el.navtype==-1||el.navtype==1){if(cal.timeout)clearTimeout(cal.timeout);cal.timeout=setTimeout("Calendar.showMonthsCombo()",250);}else if(el.navtype==-2||el.navtype==2){if(cal.timeout)clearTimeout(cal.timeout);cal.timeout=setTimeout((el.navtype>0)?"Calendar.showYearsCombo(true)":"Calendar.showYearsCombo(false)",250);}else{cal.timeout=null;}return Calendar.stopEvent(ev);};Calendar.dayMouseDblClick=function(ev){Calendar.cellClick(Calendar.getElement(ev),ev||window.event);if(Calendar.is_ie){document.selection.empty();}};Calendar.dayMouseOver=function(ev){var el=Calendar.getElement(ev);if(Calendar.isRelated(el,ev)||Calendar._C||el.disabled){return false;}if(el.ttip){if(el.ttip.substr(0,1)=="_"){el.ttip=el.caldate.print(el.calendar.ttDateFormat)+el.ttip.substr(1);}el.calendar.tooltips.innerHTML=el.ttip;}if(el.navtype!=300){Calendar.addClass(el,"hilite");if(el.caldate){Calendar.addClass(el.parentNode,"rowhilite");}}return Calendar.stopEvent(ev);};Calendar.dayMouseOut=function(ev){with(Calendar){var el=getElement(ev);if(isRelated(el,ev)||_C||el.disabled)return false;removeClass(el,"hilite");if(el.caldate)removeClass(el.parentNode,"rowhilite");if(el.calendar)el.calendar.tooltips.innerHTML=_TT["SEL_DATE"];return stopEvent(ev);}};Calendar.cellClick=function(el,ev){var cal=el.calendar;var closing=false;var newdate=false;var date=null;if(typeof el.navtype=="undefined"){if(cal.currentDateEl){Calendar.removeClass(cal.currentDateEl,"selected");Calendar.addClass(el,"selected");closing=(cal.currentDateEl==el);if(!closing){cal.currentDateEl=el;}}cal.date.setDateOnly(el.caldate);date=cal.date;var other_month=!(cal.dateClicked=!el.otherMonth);if(!other_month&&!cal.currentDateEl)cal._toggleMultipleDate(new Date(date));else newdate=!el.disabled;if(other_month)cal._init(cal.firstDayOfWeek,date);}else{if(el.navtype==200){Calendar.removeClass(el,"hilite");cal.callCloseHandler();return;}date=new Date(cal.date);if(el.navtype==0)date.setDateOnly(new Date());cal.dateClicked=false;var year=date.getFullYear();var mon=date.getMonth();function setMonth(m){var day=date.getDate();var max=date.getMonthDays(m);if(day>max){date.setDate(max);}date.setMonth(m);};switch(el.navtype){case 400:Calendar.removeClass(el,"hilite");var text=Calendar._TT["ABOUT"];if(typeof text!="undefined"){text+=cal.showsTime?Calendar._TT["ABOUT_TIME"]:"";}else{text="Help and about box text is not translated into this language.\n"+"If you know this language and you feel generous please update\n"+"the corresponding file in \"lang\" subdir to match calendar-en.js\n"+"and send it back to <mihai_bazon@yahoo.com> to get it into the distribution  ;-)\n\n"+"Thank you!\n"+"http://dynarch.com/mishoo/calendar.epl\n";}alert(text);return;case-2:if(year>cal.minYear){date.setFullYear(year-1);}break;case-1:if(mon>0){setMonth(mon-1);}else if(year-->cal.minYear){date.setFullYear(year);setMonth(11);}break;case 1:if(mon<11){setMonth(mon+1);}else if(year<cal.maxYear){date.setFullYear(year+1);setMonth(0);}break;case 2:if(year<cal.maxYear){date.setFullYear(year+1);}break;case 100:cal.setFirstDayOfWeek(el.fdow);return;case 50:var range=el._range;var current=el.innerHTML;for(var i=range.length;--i>=0;)if(range[i]==current)break;if(ev&&ev.shiftKey){if(--i<0)i=range.length-1;}else if(++i>=range.length)i=0;var newval=range[i];el.innerHTML=newval;cal.onUpdateTime();return;case 0:if((typeof cal.getDateStatus=="function")&&cal.getDateStatus(date,date.getFullYear(),date.getMonth(),date.getDate())){return false;}break;}if(!date.equalsTo(cal.date)){cal.setDate(date);newdate=true;}else if(el.navtype==0)newdate=closing=true;}if(newdate){ev&&cal.callHandler();}if(closing){Calendar.removeClass(el,"hilite");ev&&cal.callCloseHandler();}};Calendar.prototype.create=function(_par){var parent=null;if(!_par){parent=document.getElementsByTagName("body")[0];this.isPopup=true;}else{parent=_par;this.isPopup=false;}this.date=this.dateStr?new Date(this.dateStr):new Date();var table=Calendar.createElement("table");this.table=table;table.cellSpacing=0;table.cellPadding=0;table.calendar=this;Calendar.addEvent(table,"mousedown",Calendar.tableMouseDown);var div=Calendar.createElement("div");this.element=div;div.className="calendar";if(this.isPopup){div.style.position="absolute";div.style.display="none";}div.appendChild(table);var thead=Calendar.createElement("thead",table);var cell=null;var row=null;var cal=this;var hh=function(text,cs,navtype){cell=Calendar.createElement("td",row);cell.colSpan=cs;cell.className="button";if(navtype!=0&&Math.abs(navtype)<=2)cell.className+=" nav";Calendar._add_evs(cell);cell.calendar=cal;cell.navtype=navtype;cell.innerHTML="<div unselectable='on'>"+text+"</div>";return cell;};row=Calendar.createElement("tr",thead);var title_length=6;(this.isPopup)&&--title_length;(this.weekNumbers)&&++title_length;hh("?",1,400).ttip=Calendar._TT["INFO"];this.title=hh("",title_length,300);this.title.className="title";if(this.isPopup){this.title.ttip=Calendar._TT["DRAG_TO_MOVE"];this.title.style.cursor="move";hh("&#x00d7;",1,200).ttip=Calendar._TT["CLOSE"];}row=Calendar.createElement("tr",thead);row.className="headrow";this._nav_py=hh("&#x00ab;",1,-2);this._nav_py.ttip=Calendar._TT["PREV_YEAR"];this._nav_pm=hh("&#x2039;",1,-1);this._nav_pm.ttip=Calendar._TT["PREV_MONTH"];this._nav_now=hh(Calendar._TT["TODAY"],this.weekNumbers?4:3,0);this._nav_now.ttip=Calendar._TT["GO_TODAY"];this._nav_nm=hh("&#x203a;",1,1);this._nav_nm.ttip=Calendar._TT["NEXT_MONTH"];this._nav_ny=hh("&#x00bb;",1,2);this._nav_ny.ttip=Calendar._TT["NEXT_YEAR"];row=Calendar.createElement("tr",thead);row.className="daynames";if(this.weekNumbers){cell=Calendar.createElement("td",row);cell.className="name wn";cell.innerHTML=Calendar._TT["WK"];}for(var i=7;i>0;--i){cell=Calendar.createElement("td",row);if(!i){cell.navtype=100;cell.calendar=this;Calendar._add_evs(cell);}}this.firstdayname=(this.weekNumbers)?row.firstChild.nextSibling:row.firstChild;this._displayWeekdays();var tbody=Calendar.createElement("tbody",table);this.tbody=tbody;for(i=6;i>0;--i){row=Calendar.createElement("tr",tbody);if(this.weekNumbers){cell=Calendar.createElement("td",row);}for(var j=7;j>0;--j){cell=Calendar.createElement("td",row);cell.calendar=this;Calendar._add_evs(cell);}}if(this.showsTime){row=Calendar.createElement("tr",tbody);row.className="time";cell=Calendar.createElement("td",row);cell.className="time";cell.colSpan=2;cell.innerHTML=Calendar._TT["TIME"]||"&nbsp;";cell=Calendar.createElement("td",row);cell.className="time";cell.colSpan=this.weekNumbers?4:3;(function(){function makeTimePart(className,init,range_start,range_end){var part=Calendar.createElement("span",cell);part.className=className;part.innerHTML=init;part.calendar=cal;part.ttip=Calendar._TT["TIME_PART"];part.navtype=50;part._range=[];if(typeof range_start!="number")part._range=range_start;else{for(var i=range_start;i<=range_end;++i){var txt;if(i<10&&range_end>=10)txt='0'+i;else txt=''+i;part._range[part._range.length]=txt;}}Calendar._add_evs(part);return part;};var hrs=cal.date.getHours();var mins=cal.date.getMinutes();var t12=!cal.time24;var pm=(hrs>12);if(t12&&pm)hrs-=12;var H=makeTimePart("hour",hrs,t12?1:0,t12?12:23);var span=Calendar.createElement("span",cell);span.innerHTML=":";span.className="colon";var M=makeTimePart("minute",mins,0,59);var AP=null;cell=Calendar.createElement("td",row);cell.className="time";cell.colSpan=2;if(t12)AP=makeTimePart("ampm",pm?"pm":"am",["am","pm"]);else cell.innerHTML="&nbsp;";cal.onSetTime=function(){var pm,hrs=this.date.getHours(),mins=this.date.getMinutes();if(t12){pm=(hrs>=12);if(pm)hrs-=12;if(hrs==0)hrs=12;AP.innerHTML=pm?"pm":"am";}H.innerHTML=(hrs<10)?("0"+hrs):hrs;M.innerHTML=(mins<10)?("0"+mins):mins;};cal.onUpdateTime=function(){var date=this.date;var h=parseInt(H.innerHTML,10);if(t12){if(/pm/i.test(AP.innerHTML)&&h<12)h+=12;else if(/am/i.test(AP.innerHTML)&&h==12)h=0;}var d=date.getDate();var m=date.getMonth();var y=date.getFullYear();date.setHours(h);date.setMinutes(parseInt(M.innerHTML,10));date.setFullYear(y);date.setMonth(m);date.setDate(d);this.dateClicked=false;this.callHandler();};})();}else{this.onSetTime=this.onUpdateTime=function(){};}var tfoot=Calendar.createElement("tfoot",table);row=Calendar.createElement("tr",tfoot);row.className="footrow";cell=hh(Calendar._TT["SEL_DATE"],this.weekNumbers?8:7,300);cell.className="ttip";if(this.isPopup){cell.ttip=Calendar._TT["DRAG_TO_MOVE"];cell.style.cursor="move";}this.tooltips=cell;div=Calendar.createElement("div",this.element);this.monthsCombo=div;div.className="combo";for(i=0;i<Calendar._MN.length;++i){var mn=Calendar.createElement("div");mn.className=Calendar.is_ie?"label-IEfix":"label";mn.month=i;mn.innerHTML=Calendar._SMN[i];div.appendChild(mn);}div=Calendar.createElement("div",this.element);this.yearsCombo=div;div.className="combo";for(i=12;i>0;--i){var yr=Calendar.createElement("div");yr.className=Calendar.is_ie?"label-IEfix":"label";div.appendChild(yr);}this._init(this.firstDayOfWeek,this.date);parent.appendChild(this.element);};Calendar._keyEvent=function(ev){var cal=window._dynarch_popupCalendar;if(!cal||cal.multiple)return false;(Calendar.is_ie)&&(ev=window.event);var act=(Calendar.is_ie||ev.type=="keypress"),K=ev.keyCode;if(ev.ctrlKey){switch(K){case 37:act&&Calendar.cellClick(cal._nav_pm);break;case 38:act&&Calendar.cellClick(cal._nav_py);break;case 39:act&&Calendar.cellClick(cal._nav_nm);break;case 40:act&&Calendar.cellClick(cal._nav_ny);break;default:return false;}}else switch(K){case 32:Calendar.cellClick(cal._nav_now);break;case 27:act&&cal.callCloseHandler();break;case 37:case 38:case 39:case 40:if(act){var prev,x,y,ne,el,step;prev=K==37||K==38;step=(K==37||K==39)?1:7;function setVars(){el=cal.currentDateEl;var p=el.pos;x=p&15;y=p>>4;ne=cal.ar_days[y][x];};setVars();function prevMonth(){var date=new Date(cal.date);date.setDate(date.getDate()-step);cal.setDate(date);};function nextMonth(){var date=new Date(cal.date);date.setDate(date.getDate()+step);cal.setDate(date);};while(1){switch(K){case 37:if(--x>=0)ne=cal.ar_days[y][x];else{x=6;K=38;continue;}break;case 38:if(--y>=0)ne=cal.ar_days[y][x];else{prevMonth();setVars();}break;case 39:if(++x<7)ne=cal.ar_days[y][x];else{x=0;K=40;continue;}break;case 40:if(++y<cal.ar_days.length)ne=cal.ar_days[y][x];else{nextMonth();setVars();}break;}break;}if(ne){if(!ne.disabled)Calendar.cellClick(ne);else if(prev)prevMonth();else nextMonth();}}break;case 13:if(act)Calendar.cellClick(cal.currentDateEl,ev);break;default:return false;}return Calendar.stopEvent(ev);};Calendar.prototype._init=function(firstDayOfWeek,date){var today=new Date(),TY=today.getFullYear(),TM=today.getMonth(),TD=today.getDate();this.table.style.visibility="hidden";var year=date.getFullYear();if(year<this.minYear){year=this.minYear;date.setFullYear(year);}else if(year>this.maxYear){year=this.maxYear;date.setFullYear(year);}this.firstDayOfWeek=firstDayOfWeek;this.date=new Date(date);var month=date.getMonth();var mday=date.getDate();var no_days=date.getMonthDays();date.setDate(1);var day1=(date.getDay()-this.firstDayOfWeek)%7;if(day1<0)day1+=7;date.setDate(-day1);date.setDate(date.getDate()+1);var row=this.tbody.firstChild;var MN=Calendar._SMN[month];var ar_days=this.ar_days=new Array();var weekend=Calendar._TT["WEEKEND"];var dates=this.multiple?(this.datesCells={}):null;for(var i=0;i<6;++i,row=row.nextSibling){var cell=row.firstChild;if(this.weekNumbers){cell.className="day wn";cell.innerHTML=date.getWeekNumber();cell=cell.nextSibling;}row.className="daysrow";var hasdays=false,iday,dpos=ar_days[i]=[];for(var j=0;j<7;++j,cell=cell.nextSibling,date.setDate(iday+1)){iday=date.getDate();var wday=date.getDay();cell.className="day";cell.pos=i<<4|j;dpos[j]=cell;var current_month=(date.getMonth()==month);if(!current_month){if(this.showsOtherMonths){cell.className+=" othermonth";cell.otherMonth=true;}else{cell.className="emptycell";cell.innerHTML="&nbsp;";cell.disabled=true;continue;}}else{cell.otherMonth=false;hasdays=true;}cell.disabled=false;cell.innerHTML=this.getDateText?this.getDateText(date,iday):iday;if(dates)dates[date.print("%Y%m%d")]=cell;if(this.getDateStatus){var status=this.getDateStatus(date,year,month,iday);if(this.getDateToolTip){var toolTip=this.getDateToolTip(date,year,month,iday);if(toolTip)cell.title=toolTip;}if(status===true){cell.className+=" disabled";cell.disabled=true;}else{if(/disabled/i.test(status))cell.disabled=true;cell.className+=" "+status;}}if(!cell.disabled){cell.caldate=new Date(date);cell.ttip="_";if(!this.multiple&&current_month&&iday==mday&&this.hiliteToday){cell.className+=" selected";this.currentDateEl=cell;}if(date.getFullYear()==TY&&date.getMonth()==TM&&iday==TD){cell.className+=" today";cell.ttip+=Calendar._TT["PART_TODAY"];}if(weekend.indexOf(wday.toString())!=-1)cell.className+=cell.otherMonth?" oweekend":" weekend";}}if(!(hasdays||this.showsOtherMonths))row.className="emptyrow";}this.title.innerHTML=Calendar._MN[month]+", "+year;this.onSetTime();this.table.style.visibility="visible";this._initMultipleDates();};Calendar.prototype._initMultipleDates=function(){if(this.multiple){for(var i in this.multiple){var cell=this.datesCells[i];var d=this.multiple[i];if(!d)continue;if(cell)cell.className+=" selected";}}};Calendar.prototype._toggleMultipleDate=function(date){if(this.multiple){var ds=date.print("%Y%m%d");var cell=this.datesCells[ds];if(cell){var d=this.multiple[ds];if(!d){Calendar.addClass(cell,"selected");this.multiple[ds]=date;}else{Calendar.removeClass(cell,"selected");delete this.multiple[ds];}}}};Calendar.prototype.setDateToolTipHandler=function(unaryFunction){this.getDateToolTip=unaryFunction;};Calendar.prototype.setDate=function(date){if(!date.equalsTo(this.date)){this._init(this.firstDayOfWeek,date);}};Calendar.prototype.refresh=function(){this._init(this.firstDayOfWeek,this.date);};Calendar.prototype.setFirstDayOfWeek=function(firstDayOfWeek){this._init(firstDayOfWeek,this.date);this._displayWeekdays();};Calendar.prototype.setDateStatusHandler=Calendar.prototype.setDisabledHandler=function(unaryFunction){this.getDateStatus=unaryFunction;};Calendar.prototype.setRange=function(a,z){this.minYear=a;this.maxYear=z;};Calendar.prototype.callHandler=function(){if(this.onSelected){this.onSelected(this,this.date.print(this.dateFormat));}};Calendar.prototype.callCloseHandler=function(){if(this.onClose){this.onClose(this);}this.hideShowCovered();};Calendar.prototype.destroy=function(){var el=this.element.parentNode;el.removeChild(this.element);Calendar._C=null;window._dynarch_popupCalendar=null;};Calendar.prototype.reparent=function(new_parent){var el=this.element;el.parentNode.removeChild(el);new_parent.appendChild(el);};Calendar._checkCalendar=function(ev){var calendar=window._dynarch_popupCalendar;if(!calendar){return false;}var el=Calendar.is_ie?Calendar.getElement(ev):Calendar.getTargetElement(ev);for(;el!=null&&el!=calendar.element;el=el.parentNode);if(el==null){window._dynarch_popupCalendar.callCloseHandler();return Calendar.stopEvent(ev);}};Calendar.prototype.show=function(){var rows=this.table.getElementsByTagName("tr");for(var i=rows.length;i>0;){var row=rows[--i];Calendar.removeClass(row,"rowhilite");var cells=row.getElementsByTagName("td");for(var j=cells.length;j>0;){var cell=cells[--j];Calendar.removeClass(cell,"hilite");Calendar.removeClass(cell,"active");}}this.element.style.display="block";this.hidden=false;if(this.isPopup){window._dynarch_popupCalendar=this;Calendar.addEvent(document,"keydown",Calendar._keyEvent);Calendar.addEvent(document,"keypress",Calendar._keyEvent);Calendar.addEvent(document,"mousedown",Calendar._checkCalendar);}this.hideShowCovered();};Calendar.prototype.hide=function(){if(this.isPopup){Calendar.removeEvent(document,"keydown",Calendar._keyEvent);Calendar.removeEvent(document,"keypress",Calendar._keyEvent);Calendar.removeEvent(document,"mousedown",Calendar._checkCalendar);}this.element.style.display="none";this.hidden=true;this.hideShowCovered();};Calendar.prototype.showAt=function(x,y){var s=this.element.style;s.left=x+"px";s.top=y+"px";this.show();};Calendar.prototype.showAtElement=function(el,opts){var self=this;var p=Calendar.getAbsolutePos(el);if(!opts||typeof opts!="string"){this.showAt(p.x,p.y+el.offsetHeight);return true;}function fixPosition(box){if(box.x<0)box.x=0;if(box.y<0)box.y=0;var cp=document.createElement("div");var s=cp.style;s.position="absolute";s.right=s.bottom=s.width=s.height="0px";document.body.appendChild(cp);var br=Calendar.getAbsolutePos(cp);document.body.removeChild(cp);if(Calendar.is_ie){br.y+=document.body.scrollTop;br.x+=document.body.scrollLeft;}else{br.y+=window.scrollY;br.x+=window.scrollX;}var tmp=box.x+box.width-br.x;if(tmp>0)box.x-=tmp;tmp=box.y+box.height-br.y;if(tmp>0)box.y-=tmp;};this.element.style.display="block";Calendar.continuation_for_the_fucking_khtml_browser=function(){var w=self.element.offsetWidth;var h=self.element.offsetHeight;self.element.style.display="none";var valign=opts.substr(0,1);var halign="l";if(opts.length>1){halign=opts.substr(1,1);}switch(valign){case "T":p.y-=h;break;case "B":p.y+=el.offsetHeight;break;case "C":p.y+=(el.offsetHeight-h)/2;break;case "t":p.y+=el.offsetHeight-h;break;case "b":break;}switch(halign){case "L":p.x-=w;break;case "R":p.x+=el.offsetWidth;break;case "C":p.x+=(el.offsetWidth-w)/2;break;case "l":p.x+=el.offsetWidth-w;break;case "r":break;}p.width=w;p.height=h+40;self.monthsCombo.style.display="none";fixPosition(p);self.showAt(p.x,p.y);};if(Calendar.is_khtml)setTimeout("Calendar.continuation_for_the_fucking_khtml_browser()",10);else Calendar.continuation_for_the_fucking_khtml_browser();};Calendar.prototype.setDateFormat=function(str){this.dateFormat=str;};Calendar.prototype.setTtDateFormat=function(str){this.ttDateFormat=str;};Calendar.prototype.parseDate=function(str,fmt){if(!fmt)fmt=this.dateFormat;this.setDate(Date.parseDate(str,fmt));};Calendar.prototype.hideShowCovered=function(){if(!Calendar.is_ie&&!Calendar.is_opera)return;function getVisib(obj){var value=obj.style.visibility;if(!value){if(document.defaultView&&typeof(document.defaultView.getComputedStyle)=="function"){if(!Calendar.is_khtml)value=document.defaultView. getComputedStyle(obj,"").getPropertyValue("visibility");else value='';}else if(obj.currentStyle){value=obj.currentStyle.visibility;}else value='';}return value;};var tags=new Array("applet","iframe","select");var el=this.element;var p=Calendar.getAbsolutePos(el);var EX1=p.x;var EX2=el.offsetWidth+EX1;var EY1=p.y;var EY2=el.offsetHeight+EY1;for(var k=tags.length;k>0;){var ar=document.getElementsByTagName(tags[--k]);var cc=null;for(var i=ar.length;i>0;){cc=ar[--i];p=Calendar.getAbsolutePos(cc);var CX1=p.x;var CX2=cc.offsetWidth+CX1;var CY1=p.y;var CY2=cc.offsetHeight+CY1;if(this.hidden||(CX1>EX2)||(CX2<EX1)||(CY1>EY2)||(CY2<EY1)){if(!cc.__msh_save_visibility){cc.__msh_save_visibility=getVisib(cc);}cc.style.visibility=cc.__msh_save_visibility;}else{if(!cc.__msh_save_visibility){cc.__msh_save_visibility=getVisib(cc);}cc.style.visibility="hidden";}}}};Calendar.prototype._displayWeekdays=function(){var fdow=this.firstDayOfWeek;var cell=this.firstdayname;var weekend=Calendar._TT["WEEKEND"];for(var i=0;i<7;++i){cell.className="day name";var realday=(i+fdow)%7;if(i){cell.ttip=Calendar._TT["DAY_FIRST"].replace("%s",Calendar._DN[realday]);cell.navtype=100;cell.calendar=this;cell.fdow=realday;Calendar._add_evs(cell);}if(weekend.indexOf(realday.toString())!=-1){Calendar.addClass(cell,"weekend");}cell.innerHTML=Calendar._SDN[(i+fdow)%7];cell=cell.nextSibling;}};Calendar.prototype._hideCombos=function(){this.monthsCombo.style.display="none";this.yearsCombo.style.display="none";};Calendar.prototype._dragStart=function(ev){if(this.dragging){return;}this.dragging=true;var posX;var posY;if(Calendar.is_ie){posY=window.event.clientY+document.body.scrollTop;posX=window.event.clientX+document.body.scrollLeft;}else{posY=ev.clientY+window.scrollY;posX=ev.clientX+window.scrollX;}var st=this.element.style;this.xOffs=posX-parseInt(st.left);this.yOffs=posY-parseInt(st.top);with(Calendar){addEvent(document,"mousemove",calDragIt);addEvent(document,"mouseup",calDragEnd);}};Date._MD=new Array(31,28,31,30,31,30,31,31,30,31,30,31);Date.SECOND=1000;Date.MINUTE=60*Date.SECOND;Date.HOUR=60*Date.MINUTE;Date.DAY=24*Date.HOUR;Date.WEEK=7*Date.DAY;Date.parseDate=function(str,fmt){var today=new Date();var y=0;var m=-1;var d=0;var a=str.split(/\W+/);var b=fmt.match(/%./g);var i=0,j=0;var hr=0;var min=0;for(i=0;i<a.length;++i){if(!a[i])continue;switch(b[i]){case "%d":case "%e":d=parseInt(a[i],10);break;case "%m":m=parseInt(a[i],10)-1;break;case "%Y":case "%y":y=parseInt(a[i],10);(y<100)&&(y+=(y>29)?1900:2000);break;case "%b":case "%B":for(j=0;j<12;++j){if(Calendar._MN[j].substr(0,a[i].length).toLowerCase()==a[i].toLowerCase()){m=j;break;}}break;case "%H":case "%I":case "%k":case "%l":hr=parseInt(a[i],10);break;case "%P":case "%p":if(/pm/i.test(a[i])&&hr<12)hr+=12;else if(/am/i.test(a[i])&&hr>=12)hr-=12;break;case "%M":min=parseInt(a[i],10);break;}}if(isNaN(y))y=today.getFullYear();if(isNaN(m))m=today.getMonth();if(isNaN(d))d=today.getDate();if(isNaN(hr))hr=today.getHours();if(isNaN(min))min=today.getMinutes();if(y!=0&&m!=-1&&d!=0)return new Date(y,m,d,hr,min,0);y=0;m=-1;d=0;for(i=0;i<a.length;++i){if(a[i].search(/[a-zA-Z]+/)!=-1){var t=-1;for(j=0;j<12;++j){if(Calendar._MN[j].substr(0,a[i].length).toLowerCase()==a[i].toLowerCase()){t=j;break;}}if(t!=-1){if(m!=-1){d=m+1;}m=t;}}else if(parseInt(a[i],10)<=12&&m==-1){m=a[i]-1;}else if(parseInt(a[i],10)>31&&y==0){y=parseInt(a[i],10);(y<100)&&(y+=(y>29)?1900:2000);}else if(d==0){d=a[i];}}if(y==0)y=today.getFullYear();if(m!=-1&&d!=0)return new Date(y,m,d,hr,min,0);return today;};Date.prototype.getMonthDays=function(month){var year=this.getFullYear();if(typeof month=="undefined"){month=this.getMonth();}if(((0==(year%4))&&((0!=(year%100))||(0==(year%400))))&&month==1){return 29;}else{return Date._MD[month];}};Date.prototype.getDayOfYear=function(){var now=new Date(this.getFullYear(),this.getMonth(),this.getDate(),0,0,0);var then=new Date(this.getFullYear(),0,0,0,0,0);var time=now-then;return Math.floor(time/Date.DAY);};Date.prototype.getWeekNumber=function(){var d=new Date(this.getFullYear(),this.getMonth(),this.getDate(),0,0,0);var DoW=d.getDay();d.setDate(d.getDate()-(DoW+6)%7+3);var ms=d.valueOf();d.setMonth(0);d.setDate(4);return Math.round((ms-d.valueOf())/(7*864e5))+1;};Date.prototype.equalsTo=function(date){return((this.getFullYear()==date.getFullYear())&&(this.getMonth()==date.getMonth())&&(this.getDate()==date.getDate())&&(this.getHours()==date.getHours())&&(this.getMinutes()==date.getMinutes()));};Date.prototype.setDateOnly=function(date){var tmp=new Date(date);this.setDate(1);this.setFullYear(tmp.getFullYear());this.setMonth(tmp.getMonth());this.setDate(tmp.getDate());};Date.prototype.print=function(str){var m=this.getMonth();var d=this.getDate();var y=this.getFullYear();var wn=this.getWeekNumber();var w=this.getDay();var s={};var hr=this.getHours();var pm=(hr>=12);var ir=(pm)?(hr-12):hr;var dy=this.getDayOfYear();if(ir==0)ir=12;var min=this.getMinutes();var sec=this.getSeconds();s["%a"]=Calendar._SDN[w];s["%A"]=Calendar._DN[w];s["%b"]=Calendar._SMN[m];s["%B"]=Calendar._MN[m];s["%C"]=1+Math.floor(y/100);s["%d"]=(d<10)?("0"+d):d;s["%e"]=d;s["%H"]=(hr<10)?("0"+hr):hr;s["%I"]=(ir<10)?("0"+ir):ir;s["%j"]=(dy<100)?((dy<10)?("00"+dy):("0"+dy)):dy;s["%k"]=hr;s["%l"]=ir;s["%m"]=(m<9)?("0"+(1+m)):(1+m);s["%M"]=(min<10)?("0"+min):min;s["%n"]="\n";s["%p"]=pm?"PM":"AM";s["%P"]=pm?"pm":"am";s["%s"]=Math.floor(this.getTime()/1000);s["%S"]=(sec<10)?("0"+sec):sec;s["%t"]="\t";s["%U"]=s["%W"]=s["%V"]=(wn<10)?("0"+wn):wn;s["%u"]=w+1;s["%w"]=w;s["%y"]=(''+y).substr(2,2);s["%Y"]=y;s["%%"]="%";var re=/%./g;if(!Calendar.is_ie5&&!Calendar.is_khtml)return str.replace(re,function(par){return s[par]||par;});var a=str.match(re);for(var i=0;i<a.length;i++){var tmp=s[a[i]];if(tmp){re=new RegExp(a[i],'g');str=str.replace(re,tmp);}}return str;};Date.prototype.__msh_oldSetFullYear=Date.prototype.setFullYear;Date.prototype.setFullYear=function(y){var d=new Date(this);d.__msh_oldSetFullYear(y);if(d.getMonth()!=this.getMonth())this.setDate(28);this.__msh_oldSetFullYear(y);};window._dynarch_popupCalendar=null;

 //*********************************************************************************************************************************************************
 // ** I18N

 // Calendar EN language
 // Author: Mihai Bazon, <mihai_bazon@yahoo.com>
 // Encoding: any
 // Distributed under the same terms as the calendar itself.

 // For translators: please use UTF-8 if possible.  We strongly believe that
 // Unicode is the answer to a real internationalized world.  Also please
 // include your contact information in the header, as can be seen above.

 // full day names
 Calendar._DN = new Array
 ("Sunday",
  "Monday",
  "Tuesday",
  "Wednesday",
  "Thursday",
  "Friday",
  "Saturday",
  "Sunday");

 // Please note that the following array of short day names (and the same goes
 // for short month names, _SMN) isn't absolutely necessary.  We give it here
 // for exemplification on how one can customize the short day names, but if
 // they are simply the first N letters of the full name you can simply say:
 //
 //   Calendar._SDN_len = N; // short day name length
 //   Calendar._SMN_len = N; // short month name length
 //
 // If N = 3 then this is not needed either since we assume a value of 3 if not
 // present, to be compatible with translation files that were written before
 // this feature.

 // short day names
 Calendar._SDN = new Array
 ("Sun",
  "Mon",
  "Tue",
  "Wed",
  "Thu",
  "Fri",
  "Sat",
  "Sun");

 // First day of the week. "0" means display Sunday first, "1" means display
 // Monday first, etc.
 Calendar._FD = 0;

 // full month names
 Calendar._MN = new Array
 ("January",
  "February",
  "March",
  "April",
  "May",
  "June",
  "July",
  "August",
  "September",
  "October",
  "November",
  "December");

 // short month names
 Calendar._SMN = new Array
 ("Jan",
  "Feb",
  "Mar",
  "Apr",
  "May",
  "Jun",
  "Jul",
  "Aug",
  "Sep",
  "Oct",
  "Nov",
  "Dec");

 // tooltips
 Calendar._TT = {};
 Calendar._TT["INFO"] = "About the calendar";

 Calendar._TT["ABOUT"] =
 "DHTML Date/Time Selector\n" +
 "(c) dynarch.com 2002-2005 / Author: Mihai Bazon\n" + // don't translate this this ;-)
 "For latest version visit: http://www.dynarch.com/projects/calendar/\n" +
 "Distributed under GNU LGPL.  See http://gnu.org/licenses/lgpl.html for details." +
 "\n\n" +
 "Date selection:\n" +
 "- Use the \xab, \xbb buttons to select year\n" +
 "- Use the " + String.fromCharCode(0x2039) + ", " + String.fromCharCode(0x203a) + " buttons to select month\n" +
 "- Hold mouse button on any of the above buttons for faster selection.";
 Calendar._TT["ABOUT_TIME"] = "\n\n" +
 "Time selection:\n" +
 "- Click on any of the time parts to increase it\n" +
 "- or Shift-click to decrease it\n" +
 "- or click and drag for faster selection.";

 Calendar._TT["PREV_YEAR"] = "Prev. year (hold for menu)";
 Calendar._TT["PREV_MONTH"] = "Prev. month (hold for menu)";
 Calendar._TT["GO_TODAY"] = "Go Today";
 Calendar._TT["NEXT_MONTH"] = "Next month (hold for menu)";
 Calendar._TT["NEXT_YEAR"] = "Next year (hold for menu)";
 Calendar._TT["SEL_DATE"] = "Select date";
 Calendar._TT["DRAG_TO_MOVE"] = "Drag to move";
 Calendar._TT["PART_TODAY"] = " (today)";

 // the following is to inform that "%s" is to be the first day of week
 // %s will be replaced with the day name.
 Calendar._TT["DAY_FIRST"] = "Display %s first";

 // This may be locale-dependent.  It specifies the week-end days, as an array
 // of comma-separated numbers.  The numbers are from 0 to 6: 0 means Sunday, 1
 // means Monday, etc.
 Calendar._TT["WEEKEND"] = "0,6";

 Calendar._TT["CLOSE"] = "Close";
 Calendar._TT["TODAY"] = "Today";
 Calendar._TT["TIME_PART"] = "(Shift-)Click or drag to change value";

 // date formats
 Calendar._TT["DEF_DATE_FORMAT"] = "%Y-%m-%d";
 Calendar._TT["TT_DATE_FORMAT"] = "%a, %b %e";

 Calendar._TT["WK"] = "wk";
 Calendar._TT["TIME"] = "Time:";
//*********************************************************************************************************************************************************

Calendar.setup=function(params){function param_default(pname,def){if(typeof params[pname]=="undefined"){params[pname]=def;}};param_default("inputField",null);param_default("displayArea",null);param_default("button",null);param_default("eventName","click");param_default("ifFormat","%Y/%m/%d");param_default("daFormat","%Y/%m/%d");param_default("singleClick",true);param_default("disableFunc",null);param_default("dateStatusFunc",params["disableFunc"]);param_default("dateText",null);param_default("firstDay",null);param_default("align","Br");param_default("range",[1900,2999]);param_default("weekNumbers",true);param_default("flat",null);param_default("flatCallback",null);param_default("onSelect",null);param_default("onClose",null);param_default("onUpdate",null);param_default("date",null);param_default("showsTime",false);param_default("timeFormat","24");param_default("electric",true);param_default("step",2);param_default("position",null);param_default("cache",false);param_default("showOthers",false);param_default("multiple",null);var tmp=["inputField","displayArea","button"];for(var i in tmp){if(typeof params[tmp[i]]=="string"){params[tmp[i]]=document.getElementById(params[tmp[i]]);}}if(!(params.flat||params.multiple||params.inputField||params.displayArea||params.button)){alert("Calendar.setup:\n  Nothing to setup (no fields found).  Please check your code");return false;}function onSelect(cal){var p=cal.params;var update=(cal.dateClicked||p.electric);if(update&&p.inputField){p.inputField.value=cal.date.print(p.ifFormat);if(typeof p.inputField.onchange=="function")p.inputField.onchange();}if(update&&p.displayArea)p.displayArea.innerHTML=cal.date.print(p.daFormat);if(update&&typeof p.onUpdate=="function")p.onUpdate(cal);if(update&&p.flat){if(typeof p.flatCallback=="function")p.flatCallback(cal);}if(update&&p.singleClick&&cal.dateClicked)cal.callCloseHandler();};if(params.flat!=null){if(typeof params.flat=="string")params.flat=document.getElementById(params.flat);if(!params.flat){alert("Calendar.setup:\n  Flat specified but can't find parent.");return false;}var cal=new Calendar(params.firstDay,params.date,params.onSelect||onSelect);cal.showsOtherMonths=params.showOthers;cal.showsTime=params.showsTime;cal.time24=(params.timeFormat=="24");cal.params=params;cal.weekNumbers=params.weekNumbers;cal.setRange(params.range[0],params.range[1]);cal.setDateStatusHandler(params.dateStatusFunc);cal.getDateText=params.dateText;if(params.ifFormat){cal.setDateFormat(params.ifFormat);}if(params.inputField&&typeof params.inputField.value=="string"){cal.parseDate(params.inputField.value);}cal.create(params.flat);cal.show();return false;}var triggerEl=params.button||params.displayArea||params.inputField;triggerEl["on"+params.eventName]=function(){var dateEl=params.inputField||params.displayArea;var dateFmt=params.inputField?params.ifFormat:params.daFormat;var mustCreate=false;var cal=window.calendar;if(dateEl)params.date=Date.parseDate(dateEl.value||dateEl.innerHTML,dateFmt);if(!(cal&&params.cache)){window.calendar=cal=new Calendar(params.firstDay,params.date,params.onSelect||onSelect,params.onClose||function(cal){cal.hide();});cal.showsTime=params.showsTime;cal.time24=(params.timeFormat=="24");cal.weekNumbers=params.weekNumbers;mustCreate=true;}else{if(params.date)cal.setDate(params.date);cal.hide();}if(params.multiple){cal.multiple={};for(var i=params.multiple.length;--i>=0;){var d=params.multiple[i];var ds=d.print("%Y%m%d");cal.multiple[ds]=d;}}cal.showsOtherMonths=params.showOthers;cal.yearStep=params.step;cal.setRange(params.range[0],params.range[1]);cal.params=params;cal.setDateStatusHandler(params.dateStatusFunc);cal.getDateText=params.dateText;cal.setDateFormat(dateFmt);if(mustCreate)cal.create();cal.refresh();if(!params.position)cal.showAtElement(params.button||params.displayArea||params.inputField,params.align);else cal.showAt(params.position[0],params.position[1]);return false;};return cal;};