/*
*
* Copyright (c) 2007 Andrew Tetlaw
* 
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* 
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
* * 
*
*
* FastInit
* http://tetlaw.id.au/view/javascript/fastinit
* Andrew Tetlaw
* Version 1.4.1 (2007-03-15)
* Based on:
* http://dean.edwards.name/weblog/2006/03/faster
* http://dean.edwards.name/weblog/2006/06/again/
* Help from:
* http://www.cherny.com/webdev/26/domloaded-object-literal-updated
* 
*/ 
var FastInit = {
	onload : function() {
		if (FastInit.done) { return; }
		FastInit.done = true;
		for(var x = 0, al = FastInit.f.length; x < al; x++) {
			FastInit.f[x]();
		}
	},
	addOnLoad : function() {
		var a = arguments;
		for(var x = 0, al = a.length; x < al; x++) {
			if(typeof a[x] === 'function') {
				if (FastInit.done ) {
					a[x]();
				} else {
					FastInit.f.push(a[x]);
				}
			}
		}
	},
	listen : function() {
		if (/WebKit|khtml/i.test(navigator.userAgent)) {
			FastInit.timer = setInterval(function() {
				if (/loaded|complete/.test(document.readyState)) {
					clearInterval(FastInit.timer);
					delete FastInit.timer;
					FastInit.onload();
				}}, 10);
		} else if (document.addEventListener) {
			document.addEventListener('DOMContentLoaded', FastInit.onload, false);
		} else if(!FastInit.iew32) {
			if(window.addEventListener) {
				window.addEventListener('load', FastInit.onload, false);
			} else if (window.attachEvent) {
				return window.attachEvent('onload', FastInit.onload);
			}
		}
	},
	f:[],done:false,timer:null,iew32:false
};
/*@cc_on @*/
/*@if (@_win32)
FastInit.iew32 = true;
document.write('<script id="__ie_onload" defer src="' + ((location.protocol == 'https:') ? '//0' : 'javascript:void(0)') + '"><\/script>');
document.getElementById('__ie_onload').onreadystatechange = function(){if (this.readyState == 'complete') { FastInit.onload(); }};
/*@end @*/
FastInit.listen();/*  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/
 *
 *--------------------------------------------------------------------------*/

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) {
    if (element.offsetParent) 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);

/*--------------------------------------------------------------------------*//*-------------------------------GLOBAL VARIABLES------------------------------------*/
var detect = navigator.userAgent.toLowerCase();
var OS,browser,version,total,thestring;
/*-----------------------------------------------------------------------------------------------*/

function getBrowserInfo() {
	if (checkIt('konqueror')) {
		browser = "Konqueror";
		OS = "Linux";
	}
	else if (checkIt('safari')) browser 	= "Safari"
	else if (checkIt('omniweb')) browser 	= "OmniWeb"
	else if (checkIt('opera')) browser 		= "Opera"
	else if (checkIt('webtv')) browser 		= "WebTV";
	else if (checkIt('icab')) browser 		= "iCab"
	else if (checkIt('msie')) browser 		= "Internet Explorer"
	else if (!checkIt('compatible')) {
		browser = "Netscape Navigator"
		version = detect.charAt(8);
	}
	else browser = "An unknown browser";

	if (!version) version = detect.charAt(place + thestring.length);

	if (!OS) {
		if (checkIt('linux')) OS 		= "Linux";
		else if (checkIt('x11')) OS 	= "Unix";
		else if (checkIt('mac')) OS 	= "Mac"
		else if (checkIt('win')) OS 	= "Windows"
		else OS 								= "an unknown operating system";
	}
}

function checkIt(string) {
	place = detect.indexOf(string) + 1;
	thestring = string;
	return place;
}

/*-----------------------------------------------------------------------------------------------*/

Event.observe(window, 'load', initialize, false);
Event.observe(window, 'load', getBrowserInfo, false);

var lightbox = Class.create();

lightbox.prototype = {

	yPos : 0,
	xPos : 0,

	initialize: function(ctrl) {

        if(typeof(ctrl)=="string") {

            this.content = ctrl;

            ctrl.onclick = function(){
            	this.deactivate();
            	return false;
        	};

        }

        if(typeof(ctrl)!="string") {
		    this.content = ctrl.rel;
			Event.observe(ctrl, 'click', this.activate.bindAsEventListener(this), false);
			
            //Attach deactivate to original link
			/*ctrl.onclick = function(){
            	this.deactivate();
            	return false;
        	};*/
            
            //Insert close image to content div.
            $(this.content).insert({top: '<a id="closeLightbox" class="close" href="#">Close</a>'});
            
            //Add observer to closeLightbox anchor
            Event.observe('closeLightbox','click', this.deactivate.bindAsEventListener(this));
            
        }
       	
	},
	
	// Turn everything on - mainly the IE fixes
	activate: function(){
		if (browser == 'Internet Explorer'){
			this.getScroll();
			this.prepareIE('100%', 'hidden');
			this.setScroll(0,0);
			this.hideSelects('hidden');
		}
		this.displayLightbox("block");
	},
	
	// Ie requires height to 100% and overflow hidden or else you can scroll down past the lightbox
	prepareIE: function(height, overflow){
		bod = document.getElementsByTagName('body')[0];
		bod.style.height = height;
		bod.style.overflow = overflow;
  
		htm = document.getElementsByTagName('html')[0];
		htm.style.height = height;
		htm.style.overflow = overflow; 
	},
	
	// In IE, select elements hover on top of the lightbox
	hideSelects: function(visibility){
		selects = document.getElementsByTagName('select');
		for(i = 0; i < selects.length; i++) {
			selects[i].style.visibility = visibility;
		}
	},
	
	// Taken from lightbox implementation found at http://www.huddletogether.com/projects/lightbox/
	getScroll: function(){
		if (self.pageYOffset) {
			this.yPos = self.pageYOffset;
		} else if (document.documentElement && document.documentElement.scrollTop){
			this.yPos = document.documentElement.scrollTop; 
		} else if (document.body) {
			this.yPos = document.body.scrollTop;
		}
	},
	
	setScroll: function(x, y){
		window.scrollTo(x, y); 
	},
	
	displayLightbox: function(display){
		$('overlay').style.display = display;
		$(this.content).style.display = display;
		if(display != 'none') this.actions();		
	},
	
	// Search through new links within the lightbox, and attach click event
	actions: function(){
		lbActions = document.getElementsByClassName('lbAction');

		for(i = 0; i < lbActions.length; i++) {
			Event.observe(lbActions[i], 'click', this[lbActions[i].rel].bindAsEventListener(this), false);
			lbActions[i].onclick = function(){return false;};
		}

	},
	
	// Example of creating your own functionality once lightbox is initiated
	deactivate: function(){
		if (browser == "Internet Explorer"){
			this.setScroll(0,this.yPos);
			this.prepareIE("auto", "auto");
			this.hideSelects("visible");
		}
		
		this.displayLightbox("none");
	}
}

/*-----------------------------------------------------------------------------------------------*/

// Onload, make all links that need to trigger a lightbox active
function initialize(){
	    
    addLightboxMarkup();
	
    lbox = document.getElementsByClassName('lbOn');
	for(i = 0; i < lbox.length; i++) {
		valid = new lightbox(lbox[i]);
	}
    
    /*For any lightbox content, remove the fallback style applied, 
    apply the generic lightbox style and insert the close button*/
    $$(".lightboxContent").each( function(div) {
      
        //Remove all existing class names
        var classArray = $(div).classNames().toArray();
        for (var index = 0, len = classArray.size(); index < len; ++index) {
            $(div).removeClassName(classArray[index]);
        }
       
        $(div).addClassName('LightboxGeneric');
        $(div).style.display = "none";
        
    }); 
    
}

// Add in markup necessary to make this work. Basically two divs:
// Overlay holds the shadow
// Lightbox is the centered square that the content is put into.
function addLightboxMarkup() {
//JONC start Fix for IE "operation aborted" bug
// PH revert to using body
	bod 				= document.getElementsByTagName('body')[0];
	//bod 				= document.getElementById('MainContainer');
//JONC end Fix for IE "operation aborted" bug
	overlay 			= document.createElement('div');
	overlay.id			= 'overlay';

	bod.appendChild(overlay);
}
// Tooltip Object
var Tooltip = Class.create();

Tooltip.prototype = {
    initialize: function(el, options) {
		
        this.el = $(el);
		this.initialized = false;
		this.setOptions(options);
		
		// Event handlers
		this.showEvent = this.show.bindAsEventListener(this);
		this.hideEvent = this.hide.bindAsEventListener(this);
		this.updateEvent = this.update.bindAsEventListener(this);
		Event.observe(this.el, "mouseover", this.showEvent );
		Event.observe(this.el, "mouseout", this.hideEvent );
		
		// Removing title from DOM element to avoid showing it
		this.content = this.options.content ? this.options.content : this.el.title;
		this.el.title = "";

		// If descendant elements has 'alt' attribute defined, clear it
		this.el.descendants().each(function(el){
			if(Element.readAttribute(el, 'alt'))
				el.alt = "";
		});
        
	},
	setOptions: function(options) {
		this.options = {
			backgroundColor: '#333', // Default background color
			borderColor: '#333', // Default border color
			textColor: '#fff', // Default text color (use CSS value)
			textShadowColor: '#000', // Default text shadow color (use CSS value)
			maxWidth: 250,	// Default tooltip width
			align: "left", // Default align
			delay: 250, // Default delay before tooltip appears in ms
			mouseFollow: true, // Tooltips follows the mouse moving
			opacity: 1, // Default tooltips opacity
			appearDuration: .25, // Default appear duration in sec
			hideDuration: .25, // Default disappear duration in sec
			content: false
		};
		Object.extend(this.options, options || {});
	},
	show: function(e) {
        this.xCord = Event.pointerX(e);
		this.yCord = Event.pointerY(e);
		if(!this.initialized) {
			this.timeout = window.setTimeout(this.appear.bind(this), this.options.delay);
        }
	},
	hide: function(e) {
		if(this.initialized) {
			this.appearingFX.cancel();
			if(this.options.mouseFollow)
				Event.stopObserving(this.el, "mousemove", this.updateEvent);
			new Effect.Fade(this.tooltip, {duration: this.options.hideDuration, afterFinish: function() { Element.remove(this.tooltip) }.bind(this) });
		}
		this._clearTimeout(this.timeout);
		
		this.initialized = false;
	},
	update: function(e){
		this.xCord = Event.pointerX(e);
		this.yCord = Event.pointerY(e);
		this.setup();
	},
	appear: function() {
		      
        // Building tooltip container
		
        this.tooltip = Builder.node("div", {className: "tooltip", style: "display: none;" }, [
			
            Builder.node("div", {className:"xtop"}, [
            	Builder.node("div", {className:"xb1", style:"background-color:" + this.options.borderColor + ";"}),
				Builder.node("div", {className:"xb2", style: "background-color:" + this.options.backgroundColor + "; border-color:" + this.options.borderColor + ";"}),
				Builder.node("div", {className:"xb3", style: "background-color:" + this.options.backgroundColor + "; border-color:" + this.options.borderColor + ";"}),
				Builder.node("div", {className:"xb4", style: "background-color:" + this.options.backgroundColor + "; border-color:" + this.options.borderColor + ";"})
			]),
			
            /*Following section modded to allow html in content - Ed Lynn*/
            this.content_div = Builder.node("div", {className: "xboxcontent", style: "background-color:" + this.options.backgroundColor + 
	        "; border-color:" + this.options.borderColor + 
	        ((this.options.textColor != '') ? "; color:" + this.options.textColor : "") 
            + 
	        ((this.options.textShadowColor != '') ? "; text-shadow:2px 2px 0" + 
            this.options.textShadowColor + ";" : "")}), 
            /*Modded section ended*/
            			
            Builder.node("div", {className:"xbottom"}, [
				Builder.node("div", {className:"xb4", style: "background-color:" + this.options.backgroundColor + "; border-color:" + this.options.borderColor + ";"}),
				Builder.node("div", {className:"xb3", style: "background-color:" + this.options.backgroundColor + "; border-color:" + this.options.borderColor + ";"}),
				Builder.node("div", {className:"xb2", style: "background-color:" + this.options.backgroundColor + "; border-color:" + this.options.borderColor + ";"}),
				Builder.node("div", {className:"xb1", style:"background-color:" + this.options.borderColor + ";"})
			]),
		]);
		
        this.content_div.innerHTML = this.content;
        document.body.insertBefore(this.tooltip, document.body.childNodes[0]);
		
		Element.extend(this.tooltip); // IE needs element to be manually extended
		this.options.width = this.tooltip.getWidth();
		this.tooltip.style.width = this.options.width + 'px'; // IE7 needs width to be defined
		
		this.setup();
		
		if(this.options.mouseFollow)
			Event.observe(this.el, "mousemove", this.updateEvent);
			
		this.initialized = true;
        
		this.appearingFX = new Effect.Appear(this.tooltip, {duration: this.options.appearDuration, to: this.options.opacity });
	},
	setup: function(){
		// If content width is more then allowed max width, set width to max
		if(this.options.width > this.options.maxWidth) {
			this.options.width = this.options.maxWidth;
			this.tooltip.style.width = this.options.width + 'px';
		}
			
		// Tooltip doesn't fit the current document dimensions
		if(this.xCord + this.options.width >= Element.getWidth(document.body)) {
			this.options.align = "right";
			this.xCord = this.xCord - this.options.width + 20;
		}
		
		this.tooltip.style.left = this.xCord - 7 + "px";
		this.tooltip.style.top = this.yCord + 12 + "px";
	},
	_clearTimeout: function(timer) {
		clearTimeout(timer);
		clearInterval(timer);
		return null;
	}
};

//Add Load Events to the onload property

Event.observe(document, 'dom:loaded', function() {
   
    $$([".helpAvailable", ".infoAvailable"]).each( function(link) {
		if(!link.id)
			link.identify();
        new Tooltip(link.id, {backgroundColor: "#333", borderColor: "#333", textColor: "#FFF", textShadowColor: "#000", opacity: 1});
    }); 
    
});

function addLoadEvent(func) {
	document.observe('dom:loaded', func);
}

//Toggle dummy text for searches
function search() {
    
    if($('query')) {

        $('query').onfocus = function() {
  			
  			// if already cleared, do nothing
			if (this._cleared) return
			
			  // when this code is executed, "this" keyword will in fact be the field itself
			  this.clear()
			  this._cleared = true
		}
		
	}

}

//attach events on mouseover/mouseout
sfHover = function() {
    if($('mainNav')) {
		var opt = $('mainNav').select('li');
		opt.invoke('observe', 'mouseover', function() {
			this.addClassName('sfhover');
		});
		opt.invoke('observe', 'mouseout', function() {
			this.removeClassName('sfhover');
		});
    }
}

/*
*
*   The ucwords function is a JS replication of the PHP fucntion
*   Edward Lynn
*/
function ucwords( str ) {
    return str.replace(/^(.)|\s(.)/g, function ( $1 ) { return $1.toUpperCase ( ); } );
}

/*
*
*   The ucfirst function is a JS replication of the PHP fucntion
* 20090622 PH - upper case first letter of each word 
*
*/
function ucfirst(str) {
	str = str.toLowerCase();
	var fstr = '';
	for(var i=0; i<str.length; i++) {
		fstr += i == 0 || (str.charAt(i-1) == ' ' || str.charAt(i-1) == '-') ? str.charAt(i).toUpperCase() : str.charAt(i);
	}
    
    return fstr; 
}

/*
*
*   Count and trim user entered copy within a
*   textarea form field.
*/
function textCounter(elm, countfield, maxlimit) {
    if (elm.value.length > maxlimit) 
        // trim excess chars.
        elm.value = elm.value.substring(0, maxlimit);
    else
        countfield.value = maxlimit - elm.value.length;
}

FastInit.addOnLoad(search,sfHover);
//addLoadEvent(sfHover);

//mini-bag stuff
var TopShoppingBag;
Event.observe(document,'dom:loaded',function(event){
	TopShoppingBag=$('TopShoppingBag');

	if(!TopShoppingBag)	//if there is no shopping bag then do nothing
		return;
		
	// remove dummy list item
	TopShoppingBag.select('.dummy').invoke('remove');

	//fix for >IE 6.5 bug - form controls pokie through overlapping layers with higher z-index
	if(navigator.appName=="Microsoft Internet Explorer" &&
	 (navigator.appVersion.indexOf("MSIE 6")!=-1 || navigator.appVersion.indexOf("MSIE 5")!=-1)
	){//Note not tested in < IE6
        TopShoppingBag.iefix=function(){
            var iefix_id=this.id+"_iefix";
            if(!$(iefix_id))
                this.insert({bottom: '<iframe id="'+iefix_id+'" src="javascript: false;" style="position:absolute;display:block;z-index:-1;width:100%;height:100%;top:0;left:0;filter:mask();background-color:#ffffff;"></iframe>'});
            $(iefix_id).clonePosition(this);
        };
	}

	TopShoppingBag.Show=function() {	//method to make the shopping bag appear with cool animation
		if(this.shown || this.showing)
			return;
		this.showing=true;
		var items=this.select("#TopShoppingBagItems li").length;
		if(items)
			Effect.BlindDown(this.id+"Preview",{
				queue: {scope:"ShoppingBag", position:"end"},
				delay:0,
				duration:Math.min(0.25+0.05*items,1.0), //show bigger bags a bit slower, but never take more than 1s
				afterUpdate: this.iefix?this.iefix.bind(this):null,
				afterFinish:this.afterShow.bind(this),
				transition:Effect.Transitions.sinoidal
			});					//show the mini bag
	}

	TopShoppingBag.afterShow=function(){
		this.showing=false;
		this.shown=true;
	}

	TopShoppingBag.Hide=function(delayTime) {	//method to make the shopping bag disappear with cool animation
		if(!this.shown || this.hiding)
			return;
		this.hiding=true;
		var items=this.select("#TopShoppingBagItems li").length;
		if(items)
			Effect.BlindUp(this.id+"Preview",{
				queue:{scope:"ShoppingBag", position:"end"},
				delay:delayTime?delayTime:0,
				duration:Math.min(0.25+0.05*items,1.0), //show bigger bags a bit slower, but never take more than 1s
				afterUpdate: this.iefix?this.iefix.bind(this):null,
				afterFinish:this.afterHide.bind(this),
				transition:Effect.Transitions.sinoidal
			});	//wait 3 seconds, then hide it
	}

	TopShoppingBag.afterHide=function(){
		this.hiding=false;
		this.shown=false;
	}

	TopShoppingBag.ajaxAdd=function (submitButton) {	//do whatever the form does, but use an ajax call instead, once done refresh the shopping bag
		if(this.submitButton) {
			// block other submits until this one is finished
			return;
		}

		this.Hide();
		this.submitButton = submitButton;
		var formData = submitButton.form.serialize({submit:submitButton.name});
		formData[submitButton.name] = 1;
		this.oldSubmitValue = submitButton.innerHTML;
		this.submitButton.update("<span>Adding...</span>");
		new Ajax.Updater(this,submitButton.form.action/*+"?DBGSESSID=0:localhost:7689;p=1,d=1"*/,{
			method:"post",
			parameters:formData,
			onComplete:this.ajaxOnComplete.bind(this)
		});
	}
	
	TopShoppingBag.refreshDisplay = function() {
		this.showing = false;
		new Ajax.Updater(this, '/post_add_to_bag.php', {
			method:"post",
			parameters: {refresh:1},
			onComplete:this.ajaxOnComplete.bind(this)
		});
	}

	TopShoppingBag.ajaxOnComplete=function (response,json){
        Effect.ScrollTo(this);
		this.Show();
		this.Hide(3.0);
		this.submitButton.update(this.oldSubmitValue);
		this.submitButton=null;
	}

	TopShoppingBag.observe('activate',function(event){	//appear when the user tabs to the mini-bag
		this.Show();
	});
    
    TopShoppingBag.observe('mouseout',function(event){ //hide when the mouse pointer leaves the open shoping bag
        var o=this.cumulativeOffset(),d=this.getDimensions(),X=event.pointerX(),Y=event.pointerY();
        var inside=(X>=o.left && X<(o.left+d.width) && Y>=o.top && Y<=(o.top+d.height));
        if(!inside)    //only fire if the mouse moved out of the container
            this.Hide();
    });
    
	TopShoppingBag.observe('mouseover',function(event){	//appear when the user hovers over the mini-bag
		this.Show();	//show is interlocked so retriggering is not an issue
	});

	TopShoppingBag.observe('click',function(event){	//handler for the close button on the mini-bag
        window.location = "/shopping_bag.php";
        return false;
	});
    
    // close mini bag on click outside bag
    document.observe('click', function(event) {
        if(TopShoppingBag.visible())
            TopShoppingBag.Hide();
    });

	if(document.getElementById('productAddedToBasket') && document.getElementById('productAddedToBasket').value){//this catches page refreshes where an item was added
		TopShoppingBag.Show();
		TopShoppingBag.Hide(3.0);
	}
});

document.observe('keyup', function(event) {
	if(event.keyCode == 72 && event.ctrlKey && event.altKey) { // ctrl + alt + h / ctrl + option + h (mac)
		alert($('_sessionid').value);
	}
});

// The following two functions control the toggle of the gift card and promotions boxes.
function toggleGiftCard(){
   $('giftcard_panel').toggle();

   var status = $('toggle_giftcard').readAttribute('status');
   if(status == 1) {
        $('toggle_giftcard').setStyle('background: #EBE6D9 url(/images/generic/accordian_arrow_closed.png) no-repeat scroll right center');
        $('toggle_giftcard').writeAttribute('status','0');
   } else {
        $('toggle_giftcard').setStyle('background: #EBE6D9 url(/images/generic/accordian_arrow_open.png) no-repeat scroll right center');
        $('toggle_giftcard').writeAttribute('status','1');
   }
      
   }

function togglePromotion(){
    if ($('coupon_panel')) {
        $('coupon_panel').toggle();
    }

    if ($('toggle_promo')) {
        var status = $('toggle_promo').readAttribute('status');

        if(status == 1) {
            $('toggle_promo').setStyle('background: #EBE6D9 url(/images/generic/accordian_arrow_closed.png) no-repeat scroll right center');
            $('toggle_promo').writeAttribute('status','0');
        } else {
            $('toggle_promo').setStyle('background: #EBE6D9 url(/images/generic/accordian_arrow_open.png) no-repeat scroll right center');
            $('toggle_promo').writeAttribute('status','1');
        }
    }


}// script.aculo.us builder.js v1.8.3, Thu Oct 08 11:23:33 +0200 2009

// Copyright (c) 2005-2009 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//
// 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/

var Builder = {
  NODEMAP: {
    AREA: 'map',
    CAPTION: 'table',
    COL: 'table',
    COLGROUP: 'table',
    LEGEND: 'fieldset',
    OPTGROUP: 'select',
    OPTION: 'select',
    PARAM: 'object',
    TBODY: 'table',
    TD: 'table',
    TFOOT: 'table',
    TH: 'table',
    THEAD: 'table',
    TR: 'table'
  },
  // note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
  //       due to a Firefox bug
  node: function(elementName) {
    elementName = elementName.toUpperCase();

    // try innerHTML approach
    var parentTag = this.NODEMAP[elementName] || 'div';
    var parentElement = document.createElement(parentTag);
    try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
      parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
    } catch(e) {}
    var element = parentElement.firstChild || null;

    // see if browser added wrapping tags
    if(element && (element.tagName.toUpperCase() != elementName))
      element = element.getElementsByTagName(elementName)[0];

    // fallback to createElement approach
    if(!element) element = document.createElement(elementName);

    // abort if nothing could be created
    if(!element) return;

    // attributes (or text)
    if(arguments[1])
      if(this._isStringOrNumber(arguments[1]) ||
        (arguments[1] instanceof Array) ||
        arguments[1].tagName) {
          this._children(element, arguments[1]);
        } else {
          var attrs = this._attributes(arguments[1]);
          if(attrs.length) {
            try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
              parentElement.innerHTML = "<" +elementName + " " +
                attrs + "></" + elementName + ">";
            } catch(e) {}
            element = parentElement.firstChild || null;
            // workaround firefox 1.0.X bug
            if(!element) {
              element = document.createElement(elementName);
              for(attr in arguments[1])
                element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
            }
            if(element.tagName.toUpperCase() != elementName)
              element = parentElement.getElementsByTagName(elementName)[0];
          }
        }

    // text, or array of children
    if(arguments[2])
      this._children(element, arguments[2]);

     return $(element);
  },
  _text: function(text) {
     return document.createTextNode(text);
  },

  ATTR_MAP: {
    'className': 'class',
    'htmlFor': 'for'
  },

  _attributes: function(attributes) {
    var attrs = [];
    for(attribute in attributes)
      attrs.push((attribute in this.ATTR_MAP ? this.ATTR_MAP[attribute] : attribute) +
          '="' + attributes[attribute].toString().escapeHTML().gsub(/"/,'&quot;') + '"');
    return attrs.join(" ");
  },
  _children: function(element, children) {
    if(children.tagName) {
      element.appendChild(children);
      return;
    }
    if(typeof children=='object') { // array can hold nodes and text
      children.flatten().each( function(e) {
        if(typeof e=='object')
          element.appendChild(e);
        else
          if(Builder._isStringOrNumber(e))
            element.appendChild(Builder._text(e));
      });
    } else
      if(Builder._isStringOrNumber(children))
        element.appendChild(Builder._text(children));
  },
  _isStringOrNumber: function(param) {
    return(typeof param=='string' || typeof param=='number');
  },
  build: function(html) {
    var element = this.node('div');
    $(element).update(html.strip());
    return element.down();
  },
  dump: function(scope) {
    if(typeof scope != 'object' && typeof scope != 'function') scope = window; //global scope

    var tags = ("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY " +
      "BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET " +
      "FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+
      "KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+
      "PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+
      "TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);

    tags.each( function(tag){
      scope[tag] = function() {
        return Builder.node.apply(Builder, [tag].concat($A(arguments)));
      };
    });
  }
};// script.aculo.us effects.js v1.8.3, Thu Oct 08 11:23:33 +0200 2009

// Copyright (c) 2005-2009 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, options) {
    element = $(element);
    effect  = (effect || 'appear').toLowerCase();
    
    return Effect[ Effect.PAIRS[ effect ][ element.visible() ? 1 : 0 ] ](element, Object.extend({
      queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
    }, 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) {
    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 controls.js v1.8.3, Thu Oct 08 11:23:33 +0200 2009

// Copyright (c) 2005-2009 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//           (c) 2005-2009 Ivan Krstic (http://blogs.law.harvard.edu/ivan)
//           (c) 2005-2009 Jon Tirsen (http://www.tirsen.com)
// Contributors:
//  Richard Livsey
//  Rahul Bhargava
//  Rob Wills
//
// 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/

// Autocompleter.Base handles all the autocompletion functionality
// that's independent of the data source for autocompletion. This
// includes drawing the autocompletion menu, observing keyboard
// and mouse events, and similar.
//
// Specific autocompleters need to provide, at the very least,
// a getUpdatedChoices function that will be invoked every time
// the text inside the monitored textbox changes. This method
// should get the text for which to provide autocompletion by
// invoking this.getToken(), NOT by directly accessing
// this.element.value. This is to allow incremental tokenized
// autocompletion. Specific auto-completion logic (AJAX, etc)
// belongs in getUpdatedChoices.
//
// Tokenized incremental autocompletion is enabled automatically
// when an autocompleter is instantiated with the 'tokens' option
// in the options parameter, e.g.:
// new Ajax.Autocompleter('id','upd', '/url/', { tokens: ',' });
// will incrementally autocomplete with a comma as the token.
// Additionally, ',' in the above example can be replaced with
// a token array, e.g. { tokens: [',', '\n'] } which
// enables autocompletion on multiple tokens. This is most
// useful when one of the tokens is \n (a newline), as it
// allows smart autocompletion after linebreaks.

if(typeof Effect == 'undefined')
  throw("controls.js requires including script.aculo.us' effects.js library");

var Autocompleter = { };
Autocompleter.Base = Class.create({
  baseInitialize: function(element, update, options) {
    element          = $(element);
    this.element     = element;
    this.update      = $(update);
    this.hasFocus    = false;
    this.changed     = false;
    this.active      = false;
    this.index       = 0;
    this.entryCount  = 0;
    this.oldElementValue = this.element.value;

    if(this.setOptions)
      this.setOptions(options);
    else
      this.options = options || { };

    this.options.paramName    = this.options.paramName || this.element.name;
    this.options.tokens       = this.options.tokens || [];
    this.options.frequency    = this.options.frequency || 0.4;
    this.options.minChars     = this.options.minChars || 1;
    this.options.onShow       = this.options.onShow ||
      function(element, update){
        if(!update.style.position || update.style.position=='absolute') {
          update.style.position = 'absolute';
          Position.clone(element, update, {
            setHeight: false,
            offsetTop: element.offsetHeight
          });
        }
        Effect.Appear(update,{duration:0.15});
      };
    this.options.onHide = this.options.onHide ||
      function(element, update){ new Effect.Fade(update,{duration:0.15}) };

    if(typeof(this.options.tokens) == 'string')
      this.options.tokens = new Array(this.options.tokens);
    // Force carriage returns as token delimiters anyway
    if (!this.options.tokens.include('\n'))
      this.options.tokens.push('\n');

    this.observer = null;

    this.element.setAttribute('autocomplete','off');

    Element.hide(this.update);

    Event.observe(this.element, 'blur', this.onBlur.bindAsEventListener(this));
    Event.observe(this.element, 'keydown', this.onKeyPress.bindAsEventListener(this));
  },

  show: function() {
    if(Element.getStyle(this.update, 'display')=='none') this.options.onShow(this.element, this.update);
    if(!this.iefix &&
      (Prototype.Browser.IE) &&
      (Element.getStyle(this.update, 'position')=='absolute')) {
      new Insertion.After(this.update,
       '<iframe id="' + this.update.id + '_iefix" '+
       'style="display:none;position:absolute;filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);" ' +
       'src="javascript:false;" frameborder="0" scrolling="no"></iframe>');
      this.iefix = $(this.update.id+'_iefix');
    }
    if(this.iefix) setTimeout(this.fixIEOverlapping.bind(this), 50);
  },

  fixIEOverlapping: function() {
    Position.clone(this.update, this.iefix, {setTop:(!this.update.style.height)});
    this.iefix.style.zIndex = 1;
    this.update.style.zIndex = 2;
    Element.show(this.iefix);
  },

  hide: function() {
    this.stopIndicator();
    if(Element.getStyle(this.update, 'display')!='none') this.options.onHide(this.element, this.update);
    if(this.iefix) Element.hide(this.iefix);
  },

  startIndicator: function() {
    if(this.options.indicator) Element.show(this.options.indicator);
  },

  stopIndicator: function() {
    if(this.options.indicator) Element.hide(this.options.indicator);
  },

  onKeyPress: function(event) {
    if(this.active)
      switch(event.keyCode) {
       case Event.KEY_TAB:
       case Event.KEY_RETURN:
         this.selectEntry();
         Event.stop(event);
       case Event.KEY_ESC:
         this.hide();
         this.active = false;
         Event.stop(event);
         return;
       case Event.KEY_LEFT:
       case Event.KEY_RIGHT:
         return;
       case Event.KEY_UP:
         this.markPrevious();
         this.render();
         Event.stop(event);
         return;
       case Event.KEY_DOWN:
         this.markNext();
         this.render();
         Event.stop(event);
         return;
      }
     else
       if(event.keyCode==Event.KEY_TAB || event.keyCode==Event.KEY_RETURN ||
         (Prototype.Browser.WebKit > 0 && event.keyCode == 0)) return;

    this.changed = true;
    this.hasFocus = true;

    if(this.observer) clearTimeout(this.observer);
      this.observer =
        setTimeout(this.onObserverEvent.bind(this), this.options.frequency*1000);
  },

  activate: function() {
    this.changed = false;
    this.hasFocus = true;
    this.getUpdatedChoices();
  },

  onHover: function(event) {
    var element = Event.findElement(event, 'LI');
    if(this.index != element.autocompleteIndex)
    {
        this.index = element.autocompleteIndex;
        this.render();
    }
    Event.stop(event);
  },

  onClick: function(event) {
    var element = Event.findElement(event, 'LI');
    this.index = element.autocompleteIndex;
    this.selectEntry();
    this.hide();
  },

  onBlur: function(event) {
    // needed to make click events working
    setTimeout(this.hide.bind(this), 250);
    this.hasFocus = false;
    this.active = false;
  },

  render: function() {
    if(this.entryCount > 0) {
      for (var i = 0; i < this.entryCount; i++)
        this.index==i ?
          Element.addClassName(this.getEntry(i),"selected") :
          Element.removeClassName(this.getEntry(i),"selected");
      if(this.hasFocus) {
        this.show();
        this.active = true;
      }
    } else {
      this.active = false;
      this.hide();
    }
  },

  markPrevious: function() {
    if(this.index > 0) this.index--;
      else this.index = this.entryCount-1;
    this.getEntry(this.index).scrollIntoView(true);
  },

  markNext: function() {
    if(this.index < this.entryCount-1) this.index++;
      else this.index = 0;
    this.getEntry(this.index).scrollIntoView(false);
  },

  getEntry: function(index) {
    return this.update.firstChild.childNodes[index];
  },

  getCurrentEntry: function() {
    return this.getEntry(this.index);
  },

  selectEntry: function() {
    this.active = false;
    this.updateElement(this.getCurrentEntry());
  },

  updateElement: function(selectedElement) {
    if (this.options.updateElement) {
      this.options.updateElement(selectedElement);
      return;
    }
    var value = '';
    if (this.options.select) {
      var nodes = $(selectedElement).select('.' + this.options.select) || [];
      if(nodes.length>0) value = Element.collectTextNodes(nodes[0], this.options.select);
    } else
      value = Element.collectTextNodesIgnoreClass(selectedElement, 'informal');

    var bounds = this.getTokenBounds();
    if (bounds[0] != -1) {
      var newValue = this.element.value.substr(0, bounds[0]);
      var whitespace = this.element.value.substr(bounds[0]).match(/^\s+/);
      if (whitespace)
        newValue += whitespace[0];
      this.element.value = newValue + value + this.element.value.substr(bounds[1]);
    } else {
      this.element.value = value;
    }
    this.oldElementValue = this.element.value;
    this.element.focus();

    if (this.options.afterUpdateElement)
      this.options.afterUpdateElement(this.element, selectedElement);
  },

  updateChoices: function(choices) {
    if(!this.changed && this.hasFocus) {
      this.update.innerHTML = choices;
      Element.cleanWhitespace(this.update);
      Element.cleanWhitespace(this.update.down());

      if(this.update.firstChild && this.update.down().childNodes) {
        this.entryCount =
          this.update.down().childNodes.length;
        for (var i = 0; i < this.entryCount; i++) {
          var entry = this.getEntry(i);
          entry.autocompleteIndex = i;
          this.addObservers(entry);
        }
      } else {
        this.entryCount = 0;
      }

      this.stopIndicator();
      this.index = 0;

      if(this.entryCount==1 && this.options.autoSelect) {
        this.selectEntry();
        this.hide();
      } else {
        this.render();
      }
    }
  },

  addObservers: function(element) {
    Event.observe(element, "mouseover", this.onHover.bindAsEventListener(this));
    Event.observe(element, "click", this.onClick.bindAsEventListener(this));
  },

  onObserverEvent: function() {
    this.changed = false;
    this.tokenBounds = null;
    if(this.getToken().length>=this.options.minChars) {
      this.getUpdatedChoices();
    } else {
      this.active = false;
      this.hide();
    }
    this.oldElementValue = this.element.value;
  },

  getToken: function() {
    var bounds = this.getTokenBounds();
    return this.element.value.substring(bounds[0], bounds[1]).strip();
  },

  getTokenBounds: function() {
    if (null != this.tokenBounds) return this.tokenBounds;
    var value = this.element.value;
    if (value.strip().empty()) return [-1, 0];
    var diff = arguments.callee.getFirstDifferencePos(value, this.oldElementValue);
    var offset = (diff == this.oldElementValue.length ? 1 : 0);
    var prevTokenPos = -1, nextTokenPos = value.length;
    var tp;
    for (var index = 0, l = this.options.tokens.length; index < l; ++index) {
      tp = value.lastIndexOf(this.options.tokens[index], diff + offset - 1);
      if (tp > prevTokenPos) prevTokenPos = tp;
      tp = value.indexOf(this.options.tokens[index], diff + offset);
      if (-1 != tp && tp < nextTokenPos) nextTokenPos = tp;
    }
    return (this.tokenBounds = [prevTokenPos + 1, nextTokenPos]);
  }
});

Autocompleter.Base.prototype.getTokenBounds.getFirstDifferencePos = function(newS, oldS) {
  var boundary = Math.min(newS.length, oldS.length);
  for (var index = 0; index < boundary; ++index)
    if (newS[index] != oldS[index])
      return index;
  return boundary;
};

Ajax.Autocompleter = Class.create(Autocompleter.Base, {
  initialize: function(element, update, url, options) {
    this.baseInitialize(element, update, options);
    this.options.asynchronous  = true;
    this.options.onComplete    = this.onComplete.bind(this);
    this.options.defaultParams = this.options.parameters || null;
    this.url                   = url;
  },

  getUpdatedChoices: function() {
    this.startIndicator();

    var entry = encodeURIComponent(this.options.paramName) + '=' +
      encodeURIComponent(this.getToken());

    this.options.parameters = this.options.callback ?
      this.options.callback(this.element, entry) : entry;

    if(this.options.defaultParams)
      this.options.parameters += '&' + this.options.defaultParams;

    new Ajax.Request(this.url, this.options);
  },

  onComplete: function(request) {
    this.updateChoices(request.responseText);
  }
});

// The local array autocompleter. Used when you'd prefer to
// inject an array of autocompletion options into the page, rather
// than sending out Ajax queries, which can be quite slow sometimes.
//
// The constructor takes four parameters. The first two are, as usual,
// the id of the monitored textbox, and id of the autocompletion menu.
// The third is the array you want to autocomplete from, and the fourth
// is the options block.
//
// Extra local autocompletion options:
// - choices - How many autocompletion choices to offer
//
// - partialSearch - If false, the autocompleter will match entered
//                    text only at the beginning of strings in the
//                    autocomplete array. Defaults to true, which will
//                    match text at the beginning of any *word* in the
//                    strings in the autocomplete array. If you want to
//                    search anywhere in the string, additionally set
//                    the option fullSearch to true (default: off).
//
// - fullSsearch - Search anywhere in autocomplete array strings.
//
// - partialChars - How many characters to enter before triggering
//                   a partial match (unlike minChars, which defines
//                   how many characters are required to do any match
//                   at all). Defaults to 2.
//
// - ignoreCase - Whether to ignore case when autocompleting.
//                 Defaults to true.
//
// It's possible to pass in a custom function as the 'selector'
// option, if you prefer to write your own autocompletion logic.
// In that case, the other options above will not apply unless
// you support them.

Autocompleter.Local = Class.create(Autocompleter.Base, {
  initialize: function(element, update, array, options) {
    this.baseInitialize(element, update, options);
    this.options.array = array;
  },

  getUpdatedChoices: function() {
    this.updateChoices(this.options.selector(this));
  },

  setOptions: function(options) {
    this.options = Object.extend({
      choices: 10,
      partialSearch: true,
      partialChars: 2,
      ignoreCase: true,
      fullSearch: false,
      selector: function(instance) {
        var ret       = []; // Beginning matches
        var partial   = []; // Inside matches
        var entry     = instance.getToken();
        var count     = 0;

        for (var i = 0; i < instance.options.array.length &&
          ret.length < instance.options.choices ; i++) {

          var elem = instance.options.array[i];
          var foundPos = instance.options.ignoreCase ?
            elem.toLowerCase().indexOf(entry.toLowerCase()) :
            elem.indexOf(entry);

          while (foundPos != -1) {
            if (foundPos == 0 && elem.length != entry.length) {
              ret.push("<li><strong>" + elem.substr(0, entry.length) + "</strong>" +
                elem.substr(entry.length) + "</li>");
              break;
            } else if (entry.length >= instance.options.partialChars &&
              instance.options.partialSearch && foundPos != -1) {
              if (instance.options.fullSearch || /\s/.test(elem.substr(foundPos-1,1))) {
                partial.push("<li>" + elem.substr(0, foundPos) + "<strong>" +
                  elem.substr(foundPos, entry.length) + "</strong>" + elem.substr(
                  foundPos + entry.length) + "</li>");
                break;
              }
            }

            foundPos = instance.options.ignoreCase ?
              elem.toLowerCase().indexOf(entry.toLowerCase(), foundPos + 1) :
              elem.indexOf(entry, foundPos + 1);

          }
        }
        if (partial.length)
          ret = ret.concat(partial.slice(0, instance.options.choices - ret.length));
        return "<ul>" + ret.join('') + "</ul>";
      }
    }, options || { });
  }
});

// AJAX in-place editor and collection editor
// Full rewrite by Christophe Porteneuve <tdd@tddsworld.com> (April 2007).

// Use this if you notice weird scrolling problems on some browsers,
// the DOM might be a bit confused when this gets called so do this
// waits 1 ms (with setTimeout) until it does the activation
Field.scrollFreeActivate = function(field) {
  setTimeout(function() {
    Field.activate(field);
  }, 1);
};

Ajax.InPlaceEditor = Class.create({
  initialize: function(element, url, options) {
    this.url = url;
    this.element = element = $(element);
    this.prepareOptions();
    this._controls = { };
    arguments.callee.dealWithDeprecatedOptions(options); // DEPRECATION LAYER!!!
    Object.extend(this.options, options || { });
    if (!this.options.formId && this.element.id) {
      this.options.formId = this.element.id + '-inplaceeditor';
      if ($(this.options.formId))
        this.options.formId = '';
    }
    if (this.options.externalControl)
      this.options.externalControl = $(this.options.externalControl);
    if (!this.options.externalControl)
      this.options.externalControlOnly = false;
    this._originalBackground = this.element.getStyle('background-color') || 'transparent';
    this.element.title = this.options.clickToEditText;
    this._boundCancelHandler = this.handleFormCancellation.bind(this);
    this._boundComplete = (this.options.onComplete || Prototype.emptyFunction).bind(this);
    this._boundFailureHandler = this.handleAJAXFailure.bind(this);
    this._boundSubmitHandler = this.handleFormSubmission.bind(this);
    this._boundWrapperHandler = this.wrapUp.bind(this);
    this.registerListeners();
  },
  checkForEscapeOrReturn: function(e) {
    if (!this._editing || e.ctrlKey || e.altKey || e.shiftKey) return;
    if (Event.KEY_ESC == e.keyCode)
      this.handleFormCancellation(e);
    else if (Event.KEY_RETURN == e.keyCode)
      this.handleFormSubmission(e);
  },
  createControl: function(mode, handler, extraClasses) {
    var control = this.options[mode + 'Control'];
    var text = this.options[mode + 'Text'];
    if ('button' == control) {
      var btn = document.createElement('input');
      btn.type = 'submit';
      btn.value = text;
      btn.className = 'editor_' + mode + '_button';
      if ('cancel' == mode)
        btn.onclick = this._boundCancelHandler;
      this._form.appendChild(btn);
      this._controls[mode] = btn;
    } else if ('link' == control) {
      var link = document.createElement('a');
      link.href = '#';
      link.appendChild(document.createTextNode(text));
      link.onclick = 'cancel' == mode ? this._boundCancelHandler : this._boundSubmitHandler;
      link.className = 'editor_' + mode + '_link';
      if (extraClasses)
        link.className += ' ' + extraClasses;
      this._form.appendChild(link);
      this._controls[mode] = link;
    }
  },
  createEditField: function() {
    var text = (this.options.loadTextURL ? this.options.loadingText : this.getText());
    var fld;
    if (1 >= this.options.rows && !/\r|\n/.test(this.getText())) {
      fld = document.createElement('input');
      fld.type = 'text';
      var size = this.options.size || this.options.cols || 0;
      if (0 < size) fld.size = size;
    } else {
      fld = document.createElement('textarea');
      fld.rows = (1 >= this.options.rows ? this.options.autoRows : this.options.rows);
      fld.cols = this.options.cols || 40;
    }
    fld.name = this.options.paramName;
    fld.value = text; // No HTML breaks conversion anymore
    fld.className = 'editor_field';
    if (this.options.submitOnBlur)
      fld.onblur = this._boundSubmitHandler;
    this._controls.editor = fld;
    if (this.options.loadTextURL)
      this.loadExternalText();
    this._form.appendChild(this._controls.editor);
  },
  createForm: function() {
    var ipe = this;
    function addText(mode, condition) {
      var text = ipe.options['text' + mode + 'Controls'];
      if (!text || condition === false) return;
      ipe._form.appendChild(document.createTextNode(text));
    };
    this._form = $(document.createElement('form'));
    this._form.id = this.options.formId;
    this._form.addClassName(this.options.formClassName);
    this._form.onsubmit = this._boundSubmitHandler;
    this.createEditField();
    if ('textarea' == this._controls.editor.tagName.toLowerCase())
      this._form.appendChild(document.createElement('br'));
    if (this.options.onFormCustomization)
      this.options.onFormCustomization(this, this._form);
    addText('Before', this.options.okControl || this.options.cancelControl);
    this.createControl('ok', this._boundSubmitHandler);
    addText('Between', this.options.okControl && this.options.cancelControl);
    this.createControl('cancel', this._boundCancelHandler, 'editor_cancel');
    addText('After', this.options.okControl || this.options.cancelControl);
  },
  destroy: function() {
    if (this._oldInnerHTML)
      this.element.innerHTML = this._oldInnerHTML;
    this.leaveEditMode();
    this.unregisterListeners();
  },
  enterEditMode: function(e) {
    if (this._saving || this._editing) return;
    this._editing = true;
    this.triggerCallback('onEnterEditMode');
    if (this.options.externalControl)
      this.options.externalControl.hide();
    this.element.hide();
    this.createForm();
    this.element.parentNode.insertBefore(this._form, this.element);
    if (!this.options.loadTextURL)
      this.postProcessEditField();
    if (e) Event.stop(e);
  },
  enterHover: function(e) {
    if (this.options.hoverClassName)
      this.element.addClassName(this.options.hoverClassName);
    if (this._saving) return;
    this.triggerCallback('onEnterHover');
  },
  getText: function() {
    return this.element.innerHTML.unescapeHTML();
  },
  handleAJAXFailure: function(transport) {
    this.triggerCallback('onFailure', transport);
    if (this._oldInnerHTML) {
      this.element.innerHTML = this._oldInnerHTML;
      this._oldInnerHTML = null;
    }
  },
  handleFormCancellation: function(e) {
    this.wrapUp();
    if (e) Event.stop(e);
  },
  handleFormSubmission: function(e) {
    var form = this._form;
    var value = $F(this._controls.editor);
    this.prepareSubmission();
    var params = this.options.callback(form, value) || '';
    if (Object.isString(params))
      params = params.toQueryParams();
    params.editorId = this.element.id;
    if (this.options.htmlResponse) {
      var options = Object.extend({ evalScripts: true }, this.options.ajaxOptions);
      Object.extend(options, {
        parameters: params,
        onComplete: this._boundWrapperHandler,
        onFailure: this._boundFailureHandler
      });
      new Ajax.Updater({ success: this.element }, this.url, options);
    } else {
      var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
      Object.extend(options, {
        parameters: params,
        onComplete: this._boundWrapperHandler,
        onFailure: this._boundFailureHandler
      });
      new Ajax.Request(this.url, options);
    }
    if (e) Event.stop(e);
  },
  leaveEditMode: function() {
    this.element.removeClassName(this.options.savingClassName);
    this.removeForm();
    this.leaveHover();
    this.element.style.backgroundColor = this._originalBackground;
    this.element.show();
    if (this.options.externalControl)
      this.options.externalControl.show();
    this._saving = false;
    this._editing = false;
    this._oldInnerHTML = null;
    this.triggerCallback('onLeaveEditMode');
  },
  leaveHover: function(e) {
    if (this.options.hoverClassName)
      this.element.removeClassName(this.options.hoverClassName);
    if (this._saving) return;
    this.triggerCallback('onLeaveHover');
  },
  loadExternalText: function() {
    this._form.addClassName(this.options.loadingClassName);
    this._controls.editor.disabled = true;
    var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
    Object.extend(options, {
      parameters: 'editorId=' + encodeURIComponent(this.element.id),
      onComplete: Prototype.emptyFunction,
      onSuccess: function(transport) {
        this._form.removeClassName(this.options.loadingClassName);
        var text = transport.responseText;
        if (this.options.stripLoadedTextTags)
          text = text.stripTags();
        this._controls.editor.value = text;
        this._controls.editor.disabled = false;
        this.postProcessEditField();
      }.bind(this),
      onFailure: this._boundFailureHandler
    });
    new Ajax.Request(this.options.loadTextURL, options);
  },
  postProcessEditField: function() {
    var fpc = this.options.fieldPostCreation;
    if (fpc)
      $(this._controls.editor)['focus' == fpc ? 'focus' : 'activate']();
  },
  prepareOptions: function() {
    this.options = Object.clone(Ajax.InPlaceEditor.DefaultOptions);
    Object.extend(this.options, Ajax.InPlaceEditor.DefaultCallbacks);
    [this._extraDefaultOptions].flatten().compact().each(function(defs) {
      Object.extend(this.options, defs);
    }.bind(this));
  },
  prepareSubmission: function() {
    this._saving = true;
    this.removeForm();
    this.leaveHover();
    this.showSaving();
  },
  registerListeners: function() {
    this._listeners = { };
    var listener;
    $H(Ajax.InPlaceEditor.Listeners).each(function(pair) {
      listener = this[pair.value].bind(this);
      this._listeners[pair.key] = listener;
      if (!this.options.externalControlOnly)
        this.element.observe(pair.key, listener);
      if (this.options.externalControl)
        this.options.externalControl.observe(pair.key, listener);
    }.bind(this));
  },
  removeForm: function() {
    if (!this._form) return;
    this._form.remove();
    this._form = null;
    this._controls = { };
  },
  showSaving: function() {
    this._oldInnerHTML = this.element.innerHTML;
    this.element.innerHTML = this.options.savingText;
    this.element.addClassName(this.options.savingClassName);
    this.element.style.backgroundColor = this._originalBackground;
    this.element.show();
  },
  triggerCallback: function(cbName, arg) {
    if ('function' == typeof this.options[cbName]) {
      this.options[cbName](this, arg);
    }
  },
  unregisterListeners: function() {
    $H(this._listeners).each(function(pair) {
      if (!this.options.externalControlOnly)
        this.element.stopObserving(pair.key, pair.value);
      if (this.options.externalControl)
        this.options.externalControl.stopObserving(pair.key, pair.value);
    }.bind(this));
  },
  wrapUp: function(transport) {
    this.leaveEditMode();
    // Can't use triggerCallback due to backward compatibility: requires
    // binding + direct element
    this._boundComplete(transport, this.element);
  }
});

Object.extend(Ajax.InPlaceEditor.prototype, {
  dispose: Ajax.InPlaceEditor.prototype.destroy
});

Ajax.InPlaceCollectionEditor = Class.create(Ajax.InPlaceEditor, {
  initialize: function($super, element, url, options) {
    this._extraDefaultOptions = Ajax.InPlaceCollectionEditor.DefaultOptions;
    $super(element, url, options);
  },

  createEditField: function() {
    var list = document.createElement('select');
    list.name = this.options.paramName;
    list.size = 1;
    this._controls.editor = list;
    this._collection = this.options.collection || [];
    if (this.options.loadCollectionURL)
      this.loadCollection();
    else
      this.checkForExternalText();
    this._form.appendChild(this._controls.editor);
  },

  loadCollection: function() {
    this._form.addClassName(this.options.loadingClassName);
    this.showLoadingText(this.options.loadingCollectionText);
    var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
    Object.extend(options, {
      parameters: 'editorId=' + encodeURIComponent(this.element.id),
      onComplete: Prototype.emptyFunction,
      onSuccess: function(transport) {
        var js = transport.responseText.strip();
        if (!/^\[.*\]$/.test(js)) // TODO: improve sanity check
          throw('Server returned an invalid collection representation.');
        this._collection = eval(js);
        this.checkForExternalText();
      }.bind(this),
      onFailure: this.onFailure
    });
    new Ajax.Request(this.options.loadCollectionURL, options);
  },

  showLoadingText: function(text) {
    this._controls.editor.disabled = true;
    var tempOption = this._controls.editor.firstChild;
    if (!tempOption) {
      tempOption = document.createElement('option');
      tempOption.value = '';
      this._controls.editor.appendChild(tempOption);
      tempOption.selected = true;
    }
    tempOption.update((text || '').stripScripts().stripTags());
  },

  checkForExternalText: function() {
    this._text = this.getText();
    if (this.options.loadTextURL)
      this.loadExternalText();
    else
      this.buildOptionList();
  },

  loadExternalText: function() {
    this.showLoadingText(this.options.loadingText);
    var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
    Object.extend(options, {
      parameters: 'editorId=' + encodeURIComponent(this.element.id),
      onComplete: Prototype.emptyFunction,
      onSuccess: function(transport) {
        this._text = transport.responseText.strip();
        this.buildOptionList();
      }.bind(this),
      onFailure: this.onFailure
    });
    new Ajax.Request(this.options.loadTextURL, options);
  },

  buildOptionList: function() {
    this._form.removeClassName(this.options.loadingClassName);
    this._collection = this._collection.map(function(entry) {
      return 2 === entry.length ? entry : [entry, entry].flatten();
    });
    var marker = ('value' in this.options) ? this.options.value : this._text;
    var textFound = this._collection.any(function(entry) {
      return entry[0] == marker;
    }.bind(this));
    this._controls.editor.update('');
    var option;
    this._collection.each(function(entry, index) {
      option = document.createElement('option');
      option.value = entry[0];
      option.selected = textFound ? entry[0] == marker : 0 == index;
      option.appendChild(document.createTextNode(entry[1]));
      this._controls.editor.appendChild(option);
    }.bind(this));
    this._controls.editor.disabled = false;
    Field.scrollFreeActivate(this._controls.editor);
  }
});

//**** DEPRECATION LAYER FOR InPlace[Collection]Editor! ****
//**** This only  exists for a while,  in order to  let ****
//**** users adapt to  the new API.  Read up on the new ****
//**** API and convert your code to it ASAP!            ****

Ajax.InPlaceEditor.prototype.initialize.dealWithDeprecatedOptions = function(options) {
  if (!options) return;
  function fallback(name, expr) {
    if (name in options || expr === undefined) return;
    options[name] = expr;
  };
  fallback('cancelControl', (options.cancelLink ? 'link' : (options.cancelButton ? 'button' :
    options.cancelLink == options.cancelButton == false ? false : undefined)));
  fallback('okControl', (options.okLink ? 'link' : (options.okButton ? 'button' :
    options.okLink == options.okButton == false ? false : undefined)));
  fallback('highlightColor', options.highlightcolor);
  fallback('highlightEndColor', options.highlightendcolor);
};

Object.extend(Ajax.InPlaceEditor, {
  DefaultOptions: {
    ajaxOptions: { },
    autoRows: 3,                                // Use when multi-line w/ rows == 1
    cancelControl: 'link',                      // 'link'|'button'|false
    cancelText: 'cancel',
    clickToEditText: 'Click to edit',
    externalControl: null,                      // id|elt
    externalControlOnly: false,
    fieldPostCreation: 'activate',              // 'activate'|'focus'|false
    formClassName: 'inplaceeditor-form',
    formId: null,                               // id|elt
    highlightColor: '#ffff99',
    highlightEndColor: '#ffffff',
    hoverClassName: '',
    htmlResponse: true,
    loadingClassName: 'inplaceeditor-loading',
    loadingText: 'Loading...',
    okControl: 'button',                        // 'link'|'button'|false
    okText: 'ok',
    paramName: 'value',
    rows: 1,                                    // If 1 and multi-line, uses autoRows
    savingClassName: 'inplaceeditor-saving',
    savingText: 'Saving...',
    size: 0,
    stripLoadedTextTags: false,
    submitOnBlur: false,
    textAfterControls: '',
    textBeforeControls: '',
    textBetweenControls: ''
  },
  DefaultCallbacks: {
    callback: function(form) {
      return Form.serialize(form);
    },
    onComplete: function(transport, element) {
      // For backward compatibility, this one is bound to the IPE, and passes
      // the element directly.  It was too often customized, so we don't break it.
      new Effect.Highlight(element, {
        startcolor: this.options.highlightColor, keepBackgroundImage: true });
    },
    onEnterEditMode: null,
    onEnterHover: function(ipe) {
      ipe.element.style.backgroundColor = ipe.options.highlightColor;
      if (ipe._effect)
        ipe._effect.cancel();
    },
    onFailure: function(transport, ipe) {
      alert('Error communication with the server: ' + transport.responseText.stripTags());
    },
    onFormCustomization: null, // Takes the IPE and its generated form, after editor, before controls.
    onLeaveEditMode: null,
    onLeaveHover: function(ipe) {
      ipe._effect = new Effect.Highlight(ipe.element, {
        startcolor: ipe.options.highlightColor, endcolor: ipe.options.highlightEndColor,
        restorecolor: ipe._originalBackground, keepBackgroundImage: true
      });
    }
  },
  Listeners: {
    click: 'enterEditMode',
    keydown: 'checkForEscapeOrReturn',
    mouseover: 'enterHover',
    mouseout: 'leaveHover'
  }
});

Ajax.InPlaceCollectionEditor.DefaultOptions = {
  loadingCollectionText: 'Loading options...'
};

// Delayed observer, like Form.Element.Observer,
// but waits for delay after last key input
// Ideal for live-search fields

Form.Element.DelayedObserver = Class.create({
  initialize: function(element, delay, callback) {
    this.delay     = delay || 0.5;
    this.element   = $(element);
    this.callback  = callback;
    this.timer     = null;
    this.lastValue = $F(this.element);
    Event.observe(this.element,'keyup',this.delayedListener.bindAsEventListener(this));
  },
  delayedListener: function(event) {
    if(this.lastValue == $F(this.element)) return;
    if(this.timer) clearTimeout(this.timer);
    this.timer = setTimeout(this.onTimerEvent.bind(this), this.delay * 1000);
    this.lastValue = $F(this.element);
  },
  onTimerEvent: function() {
    this.timer = null;
    this.callback(this.element, $F(this.element));
  }
});
/**

* Accordion Effect for Script.aculo.us

* Created by Lucas van Dijk

* http://www.return1.net

*

* Copyright 2007 by Lucas van Dijk

*

* Permission is hereby granted, free of charge, to any person obtaining

* a copy of this software and associated documentation files (the

* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,

* distribute, sublicense, and/or sell copies of the Software, and to

* permit persons to whom the Software is furnished to do so, subject to

* the following conditions:

*

* The above copyright notice and this permission notice shall be

* included in all copies or substantial portions of the Software.

    Options

        duration
        The duration of the slide and fade effect.

           1.
               
           2.
              new Accordion('div#accordion h3', 'div#accordion p', {duration: 0.5});
           3.
               
           4.



        default_open
        The index of the body which is open by default.

        OnStart
        An event which will be called before opening a new content element.

        OnFinish
        An event which will be called after the open effect. 

*/

var Accordion = Class.create();
  
Accordion.prototype =
{    
  initialize: function(handles, bodys, options) {
         
      this.options = this._set_options(options);
      this.headers = $$(handles);
      this.bodys = $$(bodys);
 
      if(this.bodys.length > 0) {
         
          if(this.bodys.length != this.headers.length) {
              throw Error('Number of headers/bodys does not match!');
          }
         
          for(var i = 0; i < this.headers.length; i++) {
              Event.observe(this.headers[i], 'click', this.show.bind(this, i));
            
              this.headers[i].style.cursor = "pointer";
              this.bodys[i].style.display = "none";
          }
          
          this.bodys[this.options.default_open].id = "visibleBody";
          this.headers[this.options.default_open].id = "visibleHead";
          this.show(this.options.default_open, true);

      }
      
  },

  show: function(index, force)
  {
     
      if ((index >= this.length) || (index < 0)) {
          throw Error('Index out of range');
      }

      if (this.bodys[index].id == 'visibleBody') {
               
          if (typeof force == "boolean") {

                this.options.OnStart(index, this.bodys[index]);

                // Force display the visible object
                for(var i = 0; i < this.bodys.length; i++) {

                    if(this.bodys[i].style.display != 'none' && i != index) {

                        new Effect.BlindUp(this.bodys[i]);
                       
                    }

                }
          
                new Effect.BlindDown(this.bodys[index]);
                
          }

           //Set active style
           this.headers[index].className = this.options.activeHeadStyle; 
          
      } 
      else {
             
          this.options.OnStart(index, this.bodys[index]);
              
          // Normal change
          new Effect.Parallel(
              [
              new Effect.Fade($('visibleBody')),
              new Effect.BlindUp($('visibleBody')),
              new Effect.BlindDown(this.bodys[index]),
              new Effect.Appear(this.bodys[index])
              ], {  duration: this.options.duration  }
          );
          
          //Change the class of the hidden head back to dormant
          $('visibleHead').className = this.options.dormantHeadStyle; 
          
          $('visibleBody').id = "";
          $('visibleHead').id = "";
         
          this.bodys[index].id = "visibleBody";
          this.headers[index].id = "visibleHead";
          this.headers[index].className = this.options.activeHeadStyle;      
     }

     this.options.OnFinish(index, this.bodys[index]);

  },
  
  _default_options:
  {
      duration: 0.3,
      event_trigger: 'click',
      OnStart: function() { },
      OnFinish: function() { },
      default_open: 0,
      activeHeadStyle: 'sideNavSubHeadActive',
      dormantHeadStyle: 'sideNavSubHead'
  },

  _set_options: function(options) {
      
      if(typeof options != "undefined") {
       
          var result = [];
  
          for(option in this._default_options) {
               
              if(typeof options[option] == "undefined") {
                  result[option] = this._default_options[option];
              }
              else {
                result[option] = options[option];
              }

          }

          return result;

      }
      else {

          return this._default_options;
      }

  }

};

Effect.Accordion = Accordion;
/**
* GiftListStatus
*
* GiftListStatus display class
*
* @author Peter Howells
* @package M&P
*/

var GiftListStatus = Class.create({

	btnadd:null,                 				// add to gift list button
	effectduration:.25,							// effect duration
	isrequesting:false,							// is a request being processed
    itemcode:null,								// item code from product page
    link:null,                      			// activating link
    scrollduration:1,							// scroll duration
    service:'/scripts/giftlist-status.php',		// service path
    
    /**
    * constructor
    * @param    Element container
    * @param    anchor link
    */
    initialize: function(container, link) {
        this.container = $(container).hide();
        this.link = $(link);
        
        document.observe('dom:loaded', function() {
        	this.btnadd = $$('div.ProductDetailsbasket input#addtogiftlist_btn').first();
            this._listen();
            this._position();
        }.bind(this));
    },
    
    /**
    * handle add click
    */
    _eventBtnAddClick: function(event) {
    	Event.stop(event);
    	if(!this.isrequesting) {
    		var el = Event.element(event);
    		setButtonClicked(event);
    		if(checkProductOptions()) {
    			this._query($(el.form).serialize());
			}
		}
	},
	
    /**
    * handle click outside element
    */
    _eventDocumentClick: function(event) {
	    var el = Event.element(event);
	    if(!el.descendantOf(this.container))
	        this.container.hide();
    },
    
    /**
    * handle mouse out
    */
    _eventDocumentMouseOver: function(event) {
        var el = Event.element(event);
        if(!el.descendantOf(this.container))
            this.container.hide();
    },
    
    /**
    * handle mouse over link
    */
    _eventLinkMouseOver: function(event) {
        Event.stop(event);
        new Effect.Appear(this.container, {duration:this.effectduration});
    },
    
    /**
    * set up events
    */
    _listen: function() {
    	if(this.btnadd && this.btnadd != '') {
    		this.btnadd.observe('click', this._eventBtnAddClick.bindAsEventListener(this));
		}
        document.observe('click', this._eventDocumentClick.bindAsEventListener(this));
        document.observe('mouseover', this._eventDocumentMouseOver.bindAsEventListener(this));
        this.link.observe('mouseover', this._eventLinkMouseOver.bindAsEventListener(this));
    },
    
    /**
    * set positioning
    */
    _position: function() {
        this.container.setStyle({
            position:'absolute',
            zIndex:999
		});
        this.container.clonePosition(this.link, {offsetTop:this.link.getHeight(), setHeight:false, setWidth:false});
    },
    
    /**
    * send ajax query
    */
    _query: function(params) {
        // change button label
        this.btnadd.setValue('Please wait...');
        
        // request is being processed
        this.isrequesting = true;
        
        // send ajax request
        new Ajax.Request(this.service, {
            method: 'post',
            onFailure: this._queryFailure.bindAsEventListener(this),
            onSuccess: this._querySuccess.bindAsEventListener(this),
            parameters: params
        });
    },
    
    /**
    * ajax service failed
    */
    _queryFailure: function(transport) {
        // restore button label
        this.btnadd.setValue('Add to gift list');
        alert('failed');
        
        // finished processing
        this.isrequesting = false;
    },
    
    /**
    * ajax service successful
    */
    _querySuccess: function(transport) {
    	// reset button label
    	this.btnadd.setValue('Add to gift list');
    	
    	// finished processing
        this.isrequesting = false;
    	
    	// check status to see if user has a gift list
    	if(transport.responseJSON.status == 10) {
    	    // gift list not set up
    	    window.location = '/giftlist/create.php';
		} else {
			// scroll up screen
			new Effect.ScrollTo('HeaderContainer', {duration:this.scrollduration, queue:'front'});

	        // show status panel
	        new Effect.Appear(this.container, {afterFinish:this._update.bind(this, transport.responseJSON), delay:.4, duration:this.effectduration, queue:'end'});
		}
	},
	
	/**
	* update content from data
	*/
	_update: function(data) {
		// update content
        this.container.update(data.main);
        
        // update link
        this.link.update(data.label);
	}
	
});
/**
* Locale
*
* Locale control class
*
* @author Peter Howells
* @package M&P
*/

var Locale = Class.create({

    _container: false,								// containing element
    _current: null,									// currently selected element
	_isvisible: false,								// are options visible
	_locked: false,									// lock locale choice
	_optioncontainer: null,							// option containing element
	_warning: false,								// display a warning
    
    /**
    * constructor
    * find container element and set up existing items
    */
    initialize: function(options) {
		this.options = {
			duration:.15
		};
    	Object.extend(this.options, options || {});
    	
    	this._container = $(this.options.container);
    	this._optioncontainer = $(this.options.optioncontainer);
    	
    	this._build();
        
        // wait until dom is ready
        document.observe('dom:loaded', function() { 
            this._listen();
        }.bind(this));
    },

	lock: function() {
		this._locked = true;
	},
    
    hide: function(event) {
		this._container.removeClassName('LocaleExpanded');
        new Effect.Fade(this._optioncontainer, {
			duration:this.options.duration,
			transition:Effect.Transitions.sinoidal
		});
		this._isvisible = false;
	},
	
	show: function(event) {
		this._container.addClassName('LocaleExpanded');
	    new Effect.Appear(this._optioncontainer, {
			duration:this.options.duration,
			transition:Effect.Transitions.sinoidal
		});
		this._isvisible = true;
	},

	warning: function(message) {
		this._warning = message;
	},
    
    /**
    * build interface and capture existing items
    */
    _build: function() {
    	this._current = this._optioncontainer.select('dd.current a').first();
    	this._optioncontainer.hide();
    	this._optioncontainer.insert({before:this._current});
    },
    
    _eventCurrentClick: function(event) {
    	event.stop();

		if(this._warning != false) {
			if(!confirm(this._warning)) {
				return false;
			}
		}
		
		if(this._locked)
			return;
		
    	if(this._isvisible) {
    		this.hide();
		} else {
			this.show();
		}
	},
	
	_eventDocumentClick: function(event) {
		if(this._isvisible) {
			this.hide();
		}
	},
	
    /**
    * add event listeners
    */
    _listen: function() {
        this._current.observe('click', this._eventCurrentClick.bindAsEventListener(this));
        document.observe('click', this._eventDocumentClick.bindAsEventListener(this));
    }
    
});

var ToggleText = Class.create({
	
	_element: null,
	
	initialize: function(options) {
		this.options = {
			element:null,
    		text:''
		};
    	Object.extend(this.options, options || {});
    	this._build();
    	this._listen();
	},
	
	_build: function() {
		this._element = $(this.options.element);
	},
	
	_eventElementBlur: function(event) {
		if(this._element.getValue() == '') {
			this._element.setValue(this.options.text);
		}
	},

	_eventElementFocus: function(event) {
		if(this._element.getValue() == this.options.text) {
			this._element.setValue('');
		}
	},
	
	_listen: function() {
		this._element.observe('blur', this._eventElementBlur.bindAsEventListener(this));
		this._element.observe('focus', this._eventElementFocus.bindAsEventListener(this));
	}
	
});
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires;  
}


function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var 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;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function cookies() {

    //Delete any cookies
    eraseCookie('js_enabled');

    //Check that the browser is able to support javascript
    createCookie('js_enabled','1',1);

    if($('reload_if_js')!=null) {

        //Re-load page if we have landed on a page which uses the js_enabled var   
        window.location.reload();
    }  

}    

addLoadEvent(cookies);

/**
 * feature pane component
 * @author Peter Howells
 */

var FeaturePane = Class.create({

	container: null,
	tabContainer: null,

	_banner: null,
	_btnNext: null,
	_btnPrev: null,
	_currentIndex: 0,
	_fx: null,
	_isTabShowing: false,
	_map: $H(),
	_tab: null,
	_tabOffset: null,
	_timer: null,

	INTERVAL: 8,

	initialize: function(options) {
		this.options = {
			activeClassName: 'activeTab',
			bannerSelector: '.banner',
			btnLeftClass: 'banner-left',
			btnLeftLabel: 'Prev',
			btnRightClass: 'banner-right',
			btnRightLabel: 'Next',
			container: null,
			slideDuration: .6,
			tabContainerSelector: 'ul.features',
			tabSelector: 'ul.features li a'
		};
    	Object.extend(this.options, options || {});

		this._build();
		this._listen();
		this._setActiveTab();
	},

	show: function(index) {
		if(index == this._currentIndex)
			return;

		this._banner[index].setStyle({left:'974px'});

		new Effect.Move(this._banner[this._currentIndex], {
			duration:this.options.slideDuration,
			mode:'absolute',
			transition:Effect.Transitions.sinoidal,
			x:-974,
			y:null
		});

		new Effect.Move(this._banner[index], {
			duration:this.options.slideDuration,
			mode:'absolute',
			transition:Effect.Transitions.sinoidal,
			x:0,
			y:null
		});
		
		this._currentIndex = index;

		this._setActiveTab();
	},

	start: function() {
		if(this._banner.length > 1) {
			this._timer = new PeriodicalExecuter(this._next.bind(this), this.INTERVAL);
		}
	},

	stop: function() {
		if(this._timer)
			this._timer.stop();
		this._timer = null;
	},

	_btnNextClick: function(event) {
		event.stop();
		this.stop();
		this._next();
	},

	_btnPrevClick: function(event) {
		event.stop();
		this.stop();
		this._prev();
	},

	_build: function() {
		this.container = $(this.options.container);
		this.tabContainer = this.container.select(this.options.tabContainerSelector).first();
		this.tabContainer.setStyle({top:'373px'});

		this._btnNext = new Element('a').addClassName('btnNext').update('next');
		this._btnPrev = new Element('a').addClassName('btnPrev').update('prev');
		this.container.insert(this._btnPrev).insert(this._btnNext);

		this._banner = this.container.select(this.options.bannerSelector);
		this._banner.invoke('setStyle', {left:'974px'});
		this._banner[0].setStyle({left:0});

		this._tab = this.container.select(this.options.tabSelector);
		var ix = 0;
		this._tab.each(function(opt) {
			var h = this._getHash(opt);
			this._map.set(h, ix);
			ix++;
		}.bind(this));

		this._tabOffset = this.tabContainer.offsetTop;

		this.start();
	},

	_containerMouseOver: function(event) {
		if(this._isTabShowing)
			return;

		this._isTabShowing = true;

		if(this._fx)
			this._fx.cancel();

		this._fx = new Effect.Move(this.tabContainer, {
			duration:.4,
			mode:'absolute',
			transition:Effect.Transitions.sinoidal,
			x:null,
			y:298
		});
	},

	_documentMouseOver: function(event) {
		var el = event.element();
        if(!this._isTabShowing || el.id == this.options.container || el.descendantOf(this.container))
            return;

		this._isTabShowing = false;
		
		if(this._fx)
			this._fx.cancel();

		this._fx = new Effect.Move(this.tabContainer, {
			duration:.4,
			mode:'absolute',
			transition:Effect.Transitions.sinoidal,
			x:null,
			y:373
		});
	},

	_getHash: function(link) {
		return link.hash.substr(1, link.hash.length);
	},

	_listen: function() {
		document.observe('mouseover', this._documentMouseOver.bindAsEventListener(this));
		this.container.observe('mouseover', this._containerMouseOver.bindAsEventListener(this));
		this._btnNext.observe('click', this._btnNextClick.bindAsEventListener(this));
		this._btnPrev.observe('click', this._btnPrevClick.bindAsEventListener(this));
		this._tab.invoke('observe', 'click', this._tabClick.bindAsEventListener(this));
	},

	_next: function() {
		var next = this._currentIndex + 1 < this._banner.length ? this._currentIndex + 1 : 0;
		this.show(next);
	},

	_prev: function() {
		var prev = this._currentIndex - 1 >= 0 ? this._currentIndex - 1 : this._banner.length - 1;
		this.show(prev);
	},

	_setActiveTab: function() {
		this._tab.invoke('removeClassName', this.options.activeClassName);
		this._tab[this._currentIndex].addClassName(this.options.activeClassName);
	},

	_tabClick: function(event) {
		event.stop();
		this.stop();
		this.show(this._map.get(this._getHash(event.element())));
	}

});

/**
 * offers pane component
 * @author Peter Howells
 */

var OffersPane = Class.create({

	container: null,

	_offer: [],
	_btnNext: null,
	_btnPrev: null,
	_busy: false,
	_currentIndex: 0,
	_fxIn: null,
	_fxOut: null,
	_isOfferShowing: false,
	_map: $H(),
	_timer: null,

	INTERVAL: 5,

	initialize: function(options) {
		this.options = {
			btnLeftClass: 'offer-left',
			btnLeftLabel: 'Prev',
			btnRightClass: 'offer-right',
			btnRightLabel: 'Next',
			container: null,
			fadeDuration: .8,
			offerSelector: 'div.offersPanePanel'
		};
    	Object.extend(this.options, options || {});

		this._build();
		this._listen();
	},

	show: function(index) {
		if(this._busy || index == this._currentIndex)
			return;

		// fade out / in
		if(this._fxOut)
			this._fxOut.cancel();

		if(this._fxIn)
			this._fxIn.cancel();

		this._busy = true;
		this._fxOut = new Effect.Fade(this._offer[this._currentIndex].container, {duration:this.options.fadeDuration});
		this._fxIn = new Effect.Appear(this._offer[index].container, {
			afterFinish: function() {
				this._busy = false;
			}.bind(this),
			duration:this.options.fadeDuration
		});
		
		this._currentIndex = index;
	},

	start: function() {
		if(this._offer.length > 1) {
			this._timer = new PeriodicalExecuter(this._next.bind(this), this.INTERVAL);
		}
	},

	stop: function() {
		if(this._timer)
			this._timer.stop();
		this._timer = null;
	},

	_btnNextClick: function(event) {
		event.stop();
		this.stop();
		this._next();
		this._offer[this._currentIndex].showDetail(0);
	},

	_btnPrevClick: function(event) {
		event.stop();
		this.stop();
		this._prev();
		this._offer[this._currentIndex].showDetail(0);
	},

	_build: function() {
		this.container = $(this.options.container);

		this._btnNext = new Element('a').addClassName('btnNext').update('next');
		this._btnPrev = new Element('a').addClassName('btnPrev').update('prev');
		this.container.insert(this._btnPrev).insert(this._btnNext);

		var panels = this.container.select(this.options.offerSelector);
		panels.each(function(item) {
			var p = new OffersPanePanel(item);
			p.container.hide();
			this._offer.push(p);
		}.bind(this));

		this._offer[0].container.show();

		this.start();
	},

	_listen: function() {
		document.observe('offerspane:pause', this._offersPanePause.bindAsEventListener(this));
		document.observe('offerspane:resume', this._offersPaneResume.bindAsEventListener(this));
		this._btnNext.observe('click', this._btnNextClick.bindAsEventListener(this));
		this._btnPrev.observe('click', this._btnPrevClick.bindAsEventListener(this));
	},

	_next: function() {
		var next = this._currentIndex + 1 < this._offer.length ? this._currentIndex + 1 : 0;
		this.show(next);
	},

	_offersPanePause: function() {
		this.stop();
	},

	_offersPaneResume: function() {
		if(!this._timer)
			this.start();
	},

	_prev: function() {
		var prev = this._currentIndex - 1 >= 0 ? this._currentIndex - 1 : this._offer.length - 1;
		this.show(prev);
	}

});

var OffersPanePanel = Class.create({

	container: null,

	_detail: null,
	_duration: .4,
	_fx: null,
	_isactive: false,
	_offset: 0,
	_y: 0,

	initialize: function(container) {
		this.container = container;
		this._build();
		this._listen();
	},

	hideDetail: function() {
		this._isactive = false;

		if(this._fx)
			this._fx.cancel();

		this._fx = new Effect.Move(this._detail, {
			duration:this._duration,
			mode:'absolute',
			transition:Effect.Transitions.sinoidal,
			x:null,
			y:this._offset
		});
	},

	showDetail: function(duration) {
		if(this._isactive)
			return;

		this._isactive = true;

		if(this._fx)
			this._fx.cancel();

		this._fx = new Effect.Move(this._detail, {
			duration:duration != null ? duration : this._duration,
			mode:'absolute',
			transition:Effect.Transitions.sinoidal,
			x:null,
			y:this._y
		});
	},

	_build: function() {
		this._detail = this.container.select('div.offersPanePanelDetail').first();
		this._offset = this._detail.positionedOffset().top;
		this._y = this._offset - this._detail.getHeight() + 50;
	},

	_containerMouseOver: function(event) {
		this.showDetail();
		document.fire('offerspane:pause');
	},

	_documentMouseOver: function(event) {
        if(!this._isactive || event.element().id == this.container.id || event.element().descendantOf(this.container))
            return;

		this.hideDetail();
		document.fire('offerspane:resume');
	},

	_listen: function() {
		document.observe('mouseover', this._documentMouseOver.bindAsEventListener(this));
		this.container.observe('mouseover', this._containerMouseOver.bindAsEventListener(this));
	}

});
/**
 * SWFObject v1.5: Flash Player detection and embed - http://blog.deconcept.com/swfobject/
 *
 * SWFObject is (c) 2007 Geoff Stearns and is released under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 *
 */
if(typeof deconcept=="undefined"){var deconcept=new Object();}if(typeof deconcept.util=="undefined"){deconcept.util=new Object();}if(typeof deconcept.SWFObjectUtil=="undefined"){deconcept.SWFObjectUtil=new Object();}deconcept.SWFObject=function(_1,id,w,h,_5,c,_7,_8,_9,_a){if(!document.getElementById){return;}this.DETECT_KEY=_a?_a:"detectflash";this.skipDetect=deconcept.util.getRequestParameter(this.DETECT_KEY);this.params=new Object();this.variables=new Object();this.attributes=new Array();if(_1){this.setAttribute("swf",_1);}if(id){this.setAttribute("id",id);}if(w){this.setAttribute("width",w);}if(h){this.setAttribute("height",h);}if(_5){this.setAttribute("version",new deconcept.PlayerVersion(_5.toString().split(".")));}this.installedVer=deconcept.SWFObjectUtil.getPlayerVersion();if(!window.opera&&document.all&&this.installedVer.major>7){deconcept.SWFObject.doPrepUnload=true;}if(c){this.addParam("bgcolor",c);}var q=_7?_7:"high";this.addParam("quality",q);this.setAttribute("useExpressInstall",false);this.setAttribute("doExpressInstall",false);var _c=(_8)?_8:window.location;this.setAttribute("xiRedirectUrl",_c);this.setAttribute("redirectUrl","");if(_9){this.setAttribute("redirectUrl",_9);}};deconcept.SWFObject.prototype={useExpressInstall:function(_d){this.xiSWFPath=!_d?"expressinstall.swf":_d;this.setAttribute("useExpressInstall",true);},setAttribute:function(_e,_f){this.attributes[_e]=_f;},getAttribute:function(_10){return this.attributes[_10];},addParam:function(_11,_12){this.params[_11]=_12;},getParams:function(){return this.params;},addVariable:function(_13,_14){this.variables[_13]=_14;},getVariable:function(_15){return this.variables[_15];},getVariables:function(){return this.variables;},getVariablePairs:function(){var _16=new Array();var key;var _18=this.getVariables();for(key in _18){_16[_16.length]=key+"="+_18[key];}return _16;},getSWFHTML:function(){var _19="";if(navigator.plugins&&navigator.mimeTypes&&navigator.mimeTypes.length){if(this.getAttribute("doExpressInstall")){this.addVariable("MMplayerType","PlugIn");this.setAttribute("swf",this.xiSWFPath);}_19="<embed type=\"application/x-shockwave-flash\" src=\""+this.getAttribute("swf")+"\" width=\""+this.getAttribute("width")+"\" height=\""+this.getAttribute("height")+"\" style=\""+this.getAttribute("style")+"\"";_19+=" id=\""+this.getAttribute("id")+"\" name=\""+this.getAttribute("id")+"\" ";var _1a=this.getParams();for(var key in _1a){_19+=[key]+"=\""+_1a[key]+"\" ";}var _1c=this.getVariablePairs().join("&");if(_1c.length>0){_19+="flashvars=\""+_1c+"\"";}_19+="/>";}else{if(this.getAttribute("doExpressInstall")){this.addVariable("MMplayerType","ActiveX");this.setAttribute("swf",this.xiSWFPath);}_19="<object id=\""+this.getAttribute("id")+"\" classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" width=\""+this.getAttribute("width")+"\" height=\""+this.getAttribute("height")+"\" style=\""+this.getAttribute("style")+"\">";_19+="<param name=\"movie\" value=\""+this.getAttribute("swf")+"\" />";var _1d=this.getParams();for(var key in _1d){_19+="<param name=\""+key+"\" value=\""+_1d[key]+"\" />";}var _1f=this.getVariablePairs().join("&");if(_1f.length>0){_19+="<param name=\"flashvars\" value=\""+_1f+"\" />";}_19+="</object>";}return _19;},write:function(_20){if(this.getAttribute("useExpressInstall")){var _21=new deconcept.PlayerVersion([6,0,65]);if(this.installedVer.versionIsValid(_21)&&!this.installedVer.versionIsValid(this.getAttribute("version"))){this.setAttribute("doExpressInstall",true);this.addVariable("MMredirectURL",escape(this.getAttribute("xiRedirectUrl")));document.title=document.title.slice(0,47)+" - 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    var cnt = 1;
 
    $$("a.popup").each(
                
        function(link) {
            
            var classes = link.className.split(" ");    
            
            if(classes.length > 0) { 
   
                var width = classes[1];
                var height = classes[2];
                
                //Get the link
                var href = link.href;

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            }
            
            
        }
            
    );
    
}   
   
//Open a pop up
function openPopUp(event, href, width, height) { 
        
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    event.stop();
}

//Add an onload event
addLoadEvent(attachPopUpFunction); 
 
/*
 * Copyright (c) 2009 Simo Kinnunen.
 * Licensed under the MIT license.
 *
 * @version 1.08
 */
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 * The following copyright notice may not be removed under any circumstances.
 * 
 * Copyright:
 *  The digitally encoded machine readable software for producing the
 Typefaces
 * licensed to you is copyrighted (c) 1988, 1990 Adobe Systems.
 All Rights
 * Reserved. This software is the property of Adobe Systems
 Incorporated and its
 * licensors, and may not be reproduced, used, 
 displayed, modified, disclosed or
 * transferred without the express 
 written approval of Adobe.
 
 The digitally
 * encoded machine readable outline data for producing
 the Typefaces licensed to
 * you is copyrighted (c) 1981 Linotype AG
 and/or its subsidiaries. All Rights
 * Reserved.
 This data is the property of Linotype AG and/or its subsidiaries
 and
 * may not be reproduced, used, displayed, modified, disclosed or 
 transferred
 * without the express written approval of Linotype AG 
 and/or its subsidiaries.
 */
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// lightwindow.js v2.0
//
// Copyright (c) 2007 stickmanlabs
// Author: Kevin P Miller | http://www.stickmanlabs.com
// 
// LightWindow is freely distributable under the terms of an MIT-style license.
//
// I don't care what you think about the file size...
//   Be a pro: 
//	    http://www.thinkvitamin.com/features/webapps/serving-javascript-fast
//      http://rakaz.nl/item/make_your_pages_load_faster_by_combining_and_compressing_javascript_and_css_files
//
     
/*-----------------------------------------------------------------------------------------------*/

if(typeof Effect == 'undefined')
  throw("lightwindow.js requires including script.aculo.us' effects.js library!");

// This will stop image flickering in IE6 when elements with images are moved
try {
	document.execCommand("BackgroundImageCache", false, true);
} catch(e) {}

var lightwindow = Class.create();	
lightwindow.prototype = {
	//
	//	Setup Variables
	//
	element : null,
	contentToFetch : null,
	windowActive : false,
	dataEffects : [],
	dimensions : {
		cruft : null,
		container : null,
		viewport : {
			height : null,
			width : null,
			offsetTop : null,
			offsetLeft : null
		}
	},
	pagePosition : {
		x : 0,
		y : 0
	},
	pageDimensions : {
		width : null,
		height : null
	},
	preloadImage : [],
	preloadedImage : [],
	galleries : [],
	resizeTo : {
		height : null,
		heightPercent : null,
		width : null,
		widthPercent : null,
		fixedTop : null,
		fixedLeft : null
	},
	scrollbarOffset : 18,
	navigationObservers : {
		previous : null,
		next : null
	},
	containerChange : {
		height : 0,
		width : 0
	},
	activeGallery : false,
	galleryLocation : {
		current : 0,
		total : 0
	},
	//
	//	Initialize the lightwindow.
	//
	initialize : function(options) {
		this.options = Object.extend({
			resizeSpeed : 8,
			contentOffset : {
				height : 20,
				width : 20
			},
			dimensions : {
				image : {height : 250, width : 250},
				page : {height : 250, width : 250},
				inline : {height : 250, width : 250},
				media : {height : 250, width : 250},
				external : {height : 250, width : 250},
				titleHeight : 25
			},
			classNames : {	
				standard : 'lightwindow',
				action : 'lightwindow_action'
			},
			fileTypes : {
				page : ['asp', 'aspx', 'cgi', 'cfm', 'htm', 'html', 'pl', 'php4', 'php3', 'php', 'php5', 'phtml', 'rhtml', 'shtml', 'txt', 'vbs', 'rb'],
				media : ['aif', 'aiff', 'asf', 'avi', 'divx', 'm1v', 'm2a', 'm2v', 'm3u', 'mid', 'midi', 'mov', 'moov', 'movie', 'mp2', 'mp3', 'mpa', 'mpa', 'mpe', 'mpeg', 'mpg', 'mpg', 'mpga', 'pps', 'qt', 'rm', 'ram', 'swf', 'viv', 'vivo', 'wav'],
				image : ['bmp', 'gif', 'jpg', 'png', 'tiff']
			},
			mimeTypes : {
				avi : 'video/avi',
				aif : 'audio/aiff',
				aiff : 'audio/aiff',
				gif : 'image/gif',
				bmp : 'image/bmp',
				jpeg : 'image/jpeg',
				m1v : 'video/mpeg',
				m2a : 'audio/mpeg',
				m2v : 'video/mpeg',
				m3u : 'audio/x-mpequrl',
				mid : 'audio/x-midi',
				midi : 'audio/x-midi',
				mjpg : 'video/x-motion-jpeg',
				moov : 'video/quicktime',
				mov : 'video/quicktime',
				movie : 'video/x-sgi-movie',
				mp2 : 'audio/mpeg',
				mp3 : 'audio/mpeg3',
				mpa : 'audio/mpeg',
				mpa : 'video/mpeg',
				mpe : 'video/mpeg',
				mpeg : 'video/mpeg',
				mpg : 'audio/mpeg',
				mpg : 'video/mpeg',
				mpga : 'audio/mpeg',
				pdf : 'application/pdf',
				png : 'image/png',
				pps : 'application/mspowerpoint',
				qt : 'video/quicktime',
				ram : 'audio/x-pn-realaudio-plugin',
				rm : 'application/vnd.rn-realmedia',
				swf	: 'application/x-shockwave-flash',
				tiff : 'image/tiff',
				viv : 'video/vivo',
				vivo : 'video/vivo',
				wav : 'audio/wav',
				wmv : 'application/x-mplayer2'			
			},	
			classids : {
				mov : 'clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B',
				swf : 'clsid:D27CDB6E-AE6D-11cf-96B8-444553540000',
				wmv : 'clsid:6BF52A52-394A-11d3-B153-00C04F79FAA6'
			},
			codebases : {
				mov : 'http://www.apple.com/qtactivex/qtplugin.cab#version=6,0,2,0',
				swf : 'http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0',
				wmv : 'http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=6,4,5,715'
			},	
			viewportPadding : 10,
			EOLASFix : 'swf,wmv,fla,flv',
			overlay : {
				opacity : 0.7,
				image : 'files/black.png',
				presetImage : 'files/black.png'
			},
			skin : 	{
				main : 	'<div id="lightwindow_container" >'+
							'<div id="lightwindow_title_bar" >'+
								'<div id="lightwindow_title_bar_inner" >'+
									'<span id="lightwindow_title_bar_title"></span>'+
									'<a id="lightwindow_title_bar_close_link" >close</a>'+
								'</div>'+
							'</div>'+
							'<div id="lightwindow_stage" >'+
								'<div id="lightwindow_contents" >'+
								'</div>'+
								'<div id="lightwindow_navigation" >'+
									'<a href="#" id="lightwindow_previous" >'+
										'<span id="lightwindow_previous_title"></span>'+
									'</a>'+
									'<a href="#" id="lightwindow_next" >'+
										'<span id="lightwindow_next_title"></span>'+
									'</a>'+
									'<iframe name="lightwindow_navigation_shim" id="lightwindow_navigation_shim" src="javascript:false;" frameBorder="0" scrolling="no"></iframe>'+
								'</div>'+								
								'<div id="lightwindow_galleries">'+
									'<div id="lightwindow_galleries_tab_container" >'+
										'<a href="#" id="lightwindow_galleries_tab" >'+
											'<span id="lightwindow_galleries_tab_span" class="up" >Galleries</span>'+
										'</a>'+
									'</div>'+
									'<div id="lightwindow_galleries_list" >'+
									'</div>'+
								'</div>'+
							'</div>'+
							'<div id="lightwindow_data_slide" >'+
								'<div id="lightwindow_data_slide_inner" >'+
									'<div id="lightwindow_data_details" >'+
										'<div id="lightwindow_data_gallery_container" >'+
											'<span id="lightwindow_data_gallery_current"></span>'+
											' of '+
											'<span id="lightwindow_data_gallery_total"></span>'+
										'</div>'+
										'<div id="lightwindow_data_author_container" >'+
											'by <span id="lightwindow_data_author"></span>'+
										'</div>'+
									'</div>'+
									'<div id="lightwindow_data_caption" >'+
									'</div>'+
								'</div>'+
							'</div>'+
						'</div>',	
				loading : 	'<div id="lightwindow_loading" >'+
								'<img src="files/ajax-loading.gif" alt="loading" />'+
								'<span>Loading or <a href="javascript: myLightWindow.deactivate();">Cancel</a></span>'+
								'<iframe name="lightwindow_loading_shim" id="lightwindow_loading_shim" src="javascript:false;" frameBorder="0" scrolling="no"></iframe>'+
							'</div>',
				iframe : 	'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'+
							'<html xmlns="http://www.w3.org/1999/xhtml">'+
								'<body>'+
									'{body_replace}'+
								'</body>'+
							'</html>',
				gallery : {
					top :		'<div class="lightwindow_galleries_list">'+
									'<h1>{gallery_title_replace}</h1>'+
									'<ul>',
					middle : 			'<li>'+
											'{gallery_link_replace}'+
										'</li>',
					bottom : 		'</ul>'+
								'</div>'
				}
			},
			formMethod : 'get',
			hideFlash : false,
			hideGalleryTab : false,
			showTitleBar : true,
			animationHandler : false,
			navigationHandler : false,
			transitionHandler : false,
			finalAnimationHandler : false,
			formHandler : false,
			galleryAnimationHandler : false,
			showGalleryCount : true
		}, options || {});
		this.duration = ((11-this.options.resizeSpeed)*0.15);
		this._setupLinks();
		this._getScroll();
		this._getPageDimensions();
		this._browserDimensions();
		this._addLightWindowMarkup(false);
		this._setupDimensions(); 
		this.buildGalleryList();
	},
	//
	//	Activate the lightwindow.
	//
	activate : function(e, link){		
		// Clear out the window Contents
		this._clearWindowContents(true);
			
		// Add back in out loading panel
		this._addLoadingWindowMarkup();

		// Setup the element properties
		this._setupWindowElements(link);
		
		// Setup everything
		this._getScroll();
		this._browserDimensions();
		this._setupDimensions();
		this._toggleTroubleElements('hidden', false);
		this._displayLightWindow('block', 'hidden');
		this._setStatus(true);
		this._monitorKeyboard(true);
		this._prepareIE(true);
		this._loadWindow();
	},
	//
	//	Turn off the window
	//
	deactivate : function(){
		// The window is not active
		this.windowActive = false;
		
		// There is no longer a gallery active
		this.activeGallery = false;
		if (!this.options.hideGalleryTab) {
			this._handleGalleryAnimation(false);
		}
		
		// Kill the animation
		this.animating = false;
		
		// Clear our element
		this.element = null;
		
		// hide the window.
		this._displayLightWindow('none', 'visible');
		
		// Clear out the window Contents
		this._clearWindowContents(false);
		
		// Stop all animation
		var queue = Effect.Queues.get('lightwindowAnimation').each(function(e){e.cancel();});
		
		// Undo the setup
		this._prepareIE(false);
		this._setupDimensions();
		this._toggleTroubleElements('visible', false);	
		this._monitorKeyboard(false);	
	},
	//
	//  Initialize specific window
	//
	createWindow : function(element, attributes) {
		this._processLink($(element));
	},
	//
	//  Open a Window from a hash of attributes
	//
	activateWindow : function(options) {
		this.element = Object.extend({
			href : null,
			title : null,
			author : null,
			caption : null,
			rel : null,
			top : null,
			left : null,
			type : null,
			showImages : null,
			height : null,
			width : null,
			loadingAnimation : null,
			iframeEmbed : null,
			form : null
		}, options || {});
		
		// Set the window type
		this.contentToFetch = this.element.href;
		this.windowType = this.element.type ? this.element.type : this._fileType(this.element.href);	
		
		// Clear out the window Contents
		this._clearWindowContents(true);
			
		// Add back in out loading panel
		this._addLoadingWindowMarkup();
		
		// Setup everything
		this._getScroll();
		this._browserDimensions();
		this._setupDimensions();
		this._toggleTroubleElements('hidden', false);
		this._displayLightWindow('block', 'hidden');
		this._setStatus(true);
		this._monitorKeyboard(true);
		this._prepareIE(true);
		this._loadWindow();
	},
	//
	//  Fire off our Form handler
	//
	submitForm : function(e) {
		if (this.options.formHandler) {
			this.options.formHandler(e);
		} else {
			this._defaultFormHandler(e);
		}
	},
	//
	//	Reload the window with another location
	//
	openWindow : function(element) {
		var element = $(element);

		// The window is active
		this.windowActive = true;
		
		// Clear out the window Contents
		this._clearWindowContents(true);
		
		// Add back in out loading panel
		this._addLoadingWindowMarkup();
		
		// Setup the element properties
		this._setupWindowElements(element);

		this._setStatus(true);
		this._handleTransition();
	},
	//
	//  Navigate the window
	//
	navigateWindow : function(direction) {
		this._handleNavigation(false);
		if (direction == 'previous') {
			this.openWindow(this.navigationObservers.previous);
		} else if (direction == 'next'){ 
			this.openWindow(this.navigationObservers.next);
		}
	},
	//
	//  Build the Gallery List and Load it
	//
	buildGalleryList : function() {
		var output = '';
		var galleryLink;
		for (i in this.galleries) {
			if (typeof this.galleries[i] == 'object') {
				output += (this.options.skin.gallery.top).replace('{gallery_title_replace}', unescape(i));
				for (j in this.galleries[i]) {
					if (typeof this.galleries[i][j] == 'object') {						
						galleryLink = '<a href="#" id="lightwindow_gallery_'+i+'_'+j+'" >'+unescape(j)+'</a>';
						output += (this.options.skin.gallery.middle).replace('{gallery_link_replace}', galleryLink);
					}
				}
				output += this.options.skin.gallery.bottom;
			}
		}
		new Insertion.Top('lightwindow_galleries_list', output);
		
		// Attach Events
		for (i in this.galleries) {
			if (typeof this.galleries[i] == 'object') {
				for (j in this.galleries[i]) {
					if (typeof this.galleries[i][j] == 'object') {
						Event.observe($('lightwindow_gallery_'+i+'_'+j), 'click', this.openWindow.bind(this, this.galleries[i][j][0]), false);
						$('lightwindow_gallery_'+i+'_'+j).onclick = function() {return false;};	
					}
				}
			}
		}
	},
	// 
	//  Set Links Up
	//
	_setupLinks : function() {
		var links = $$('.'+this.options.classNames.standard);
		links.each(function(link) {
			this._processLink(link);
		}.bind(this));	
	},
	//
	//  Process a Link
	//
	_processLink : function(link) {
		if ((this._fileType(link.getAttribute('href')) == 'image' || this._fileType(link.getAttribute('href')) == 'media')) {
			if (gallery = this._getGalleryInfo(link.rel)) {
				if (!this.galleries[gallery[0]]) {
					this.galleries[gallery[0]] = new Array();
				}
				if (!this.galleries[gallery[0]][gallery[1]]) {
					this.galleries[gallery[0]][gallery[1]] = new Array();
				}
				this.galleries[gallery[0]][gallery[1]].push(link);
			}
		}
		
		// Take care of our inline content
		var url = link.getAttribute('href');
		if (url.indexOf('?') > -1) {
			url = url.substring(0, url.indexOf('?'));
		}
		
		var container = url.substring(url.indexOf('#')+1);
		if($(container)) {
			$(container).setStyle({
				display : 'none'
			});
		}
		
		Event.observe(link, 'click', this.activate.bindAsEventListener(this, link), false);
		link.onclick = function() {return false;};		
	},
	//
	//	Setup our actions
	//
	_setupActions : function() {
		var links = $$('#lightwindow_container .'+this.options.classNames.action);
		links.each(function(link) {
			Event.observe(link, 'click', this[link.getAttribute('rel')].bindAsEventListener(this, link), false);
			link.onclick = function() {return false;};
		}.bind(this));
	},
	//
	//	Add the markup to the page.
	//
	_addLightWindowMarkup : function(rebuild) {
		var overlay = Element.extend(document.createElement('div'));
		overlay.setAttribute('id', 'lightwindow_overlay');		
		// FF Mac has a problem with putting Flash above a layer without a 100% opacity background, so we need to use a pre-made
		if (Prototype.Browser.Gecko) {
			overlay.setStyle({
				backgroundImage: 'url('+this.options.overlay.presetImage+')',
				backgroundRepeat: 'repeat',
				height: this.pageDimensions.height+'px'
			});			
		} else {
			overlay.setStyle({
				opacity: this.options.overlay.opacity,
				backgroundImage: 'url('+this.options.overlay.image+')',
				backgroundRepeat: 'repeat',
				height: this.pageDimensions.height+'px'
			});
		}
		
		var lw = document.createElement('div');
		lw.setAttribute('id', 'lightwindow');
		lw.innerHTML = this.options.skin.main;
		
		var body = document.getElementsByTagName('body')[0];
		body.appendChild(overlay);
		body.appendChild(lw);	
				
		if ($('lightwindow_title_bar_close_link')) {
			Event.observe('lightwindow_title_bar_close_link', 'click', this.deactivate.bindAsEventListener(this));
			$('lightwindow_title_bar_close_link').onclick = function() {return false;};
		}
			
		Event.observe($('lightwindow_previous'), 'click', this.navigateWindow.bind(this, 'previous'), false);
		$('lightwindow_previous').onclick = function() {return false;};		
		Event.observe($('lightwindow_next'), 'click', this.navigateWindow.bind(this, 'next'), false);
		$('lightwindow_next').onclick = function() {return false;};

		if (!this.options.hideGalleryTab) {
			Event.observe($('lightwindow_galleries_tab'), 'click', this._handleGalleryAnimation.bind(this, true), false);
			$('lightwindow_galleries_tab').onclick = function() {return false;};
		}
		
		// Because we use position absolute, kill the scroll Wheel on animations
		if (Prototype.Browser.IE) {
			Event.observe(document, 'mousewheel', this._stopScrolling.bindAsEventListener(this), false);
		} else {
			Event.observe(window, 'DOMMouseScroll', this._stopScrolling.bindAsEventListener(this), false);
		}
				
		Event.observe(overlay, 'click', this.deactivate.bindAsEventListener(this), false);
		overlay.onclick = function() {return false;};
	},
	//
	//  Add loading window markup
	//
	_addLoadingWindowMarkup : function() {
		$('lightwindow_contents').innerHTML += this.options.skin.loading;
	},
	//
	//  Setup the window elements
	//
	_setupWindowElements : function(link) {
		this.element = link;
		this.element.title = null ? '' : link.getAttribute('title');
		this.element.author = null ? '' : link.getAttribute('author');
		this.element.caption = null ? '' : link.getAttribute('caption');
		this.element.rel = null ? '' : link.getAttribute('rel');
		this.element.params = null ? '' : link.getAttribute('params');

		// Set the window type
		this.contentToFetch = this.element.href;
		this.windowType = this._getParameter('lightwindow_type') ? this._getParameter('lightwindow_type') : this._fileType(this.contentToFetch);	
	},
	//
	//  Clear the window contents out
	//
	_clearWindowContents : function(contents) {
		// If there is an iframe, its got to go
		if ($('lightwindow_iframe')) {
			Element.remove($('lightwindow_iframe'));
		}

		// Stop playing an object if its still around
		if ($('lightwindow_media_primary')) {
			try {
				$('lightwindow_media_primary').Stop();
			} catch(e) {}
			Element.remove($('lightwindow_media_primary'));
		}

		// Stop playing an object if its still around		
		if ($('lightwindow_media_secondary')) {
			try {
				$('lightwindow_media_secondary').Stop();
			} catch(e) {}
			Element.remove($('lightwindow_media_secondary'));
		}
		
		this.activeGallery = false;
		this._handleNavigation(this.activeGallery);
		
		if (contents) {
			// Empty the contents
			$('lightwindow_contents').innerHTML = '';
			
			// Reset the scroll bars
			$('lightwindow_contents').setStyle({
				overflow: 'hidden'
			});		
			
			if (!this.windowActive) {
				$('lightwindow_data_slide_inner').setStyle({
					display: 'none'
				});

				$('lightwindow_title_bar_title').innerHTML = '';
			}

			// Because of browser differences and to maintain flexible captions we need to reset this height at close
			$('lightwindow_data_slide').setStyle({
				height: 'auto'
			});
		}
		
		this.resizeTo.height = null;
		this.resizeTo.width = null;
	},
	//
	//	Set the status of our animation to keep things from getting clunky
	//
	_setStatus : function(status) {
		this.animating = status;
		if (status) {
			Element.show('lightwindow_loading');
		}
		if (!(/MSIE 6./i.test(navigator.userAgent))) {
			this._fixedWindow(status);
		}
	},
	//
	//  Make this window Fixed
	//
	_fixedWindow : function(status) {
		if (status) {
			if (this.windowActive) {
				this._getScroll();
				$('lightwindow').setStyle({
					position: 'absolute',
					top: parseFloat($('lightwindow').getStyle('top'))+this.pagePosition.y+'px',
					left: parseFloat($('lightwindow').getStyle('left'))+this.pagePosition.x+'px'
				});		
			} else {
				$('lightwindow').setStyle({
					position: 'absolute'
				});						
			}
		} else {
			if (this.windowActive) {
				this._getScroll();
				$('lightwindow').setStyle({
					position: 'fixed',
					top: parseFloat($('lightwindow').getStyle('top'))-this.pagePosition.y+'px',
					left: parseFloat($('lightwindow').getStyle('left'))-this.pagePosition.x+'px'
				});		
			} else {
				if ($('lightwindow_iframe')) {
					// Ideally here we would set a 50% value for top and left, but Safari rears it ugly head again and we need to do it by pixels
					this._browserDimensions();
				}
				$('lightwindow').setStyle({
					position: 'fixed',
					top: (parseFloat(this._getParameter('lightwindow_top')) ? parseFloat(this._getParameter('lightwindow_top'))+'px' : this.dimensions.viewport.height/2+'px'),
					left: (parseFloat(this._getParameter('lightwindow_left')) ? parseFloat(this._getParameter('lightwindow_left'))+'px' : this.dimensions.viewport.width/2+'px')
				});
			}
		}
	},
	//
	//	Prepare the window for IE.
	//
	_prepareIE : function(setup) {
		if (Prototype.Browser.IE) {
			var height, overflowX, overflowY;
			if (setup) { 
				var height = '100%';
			} else {
				var height = 'auto';
			}
			var body = document.getElementsByTagName('body')[0];
			var html = document.getElementsByTagName('html')[0];
			html.style.height = body.style.height = height;
		}
	},
	_stopScrolling : function(e) {
		if (this.animating) {
			if (e.preventDefault) {
				e.preventDefault();
			}
			e.returnValue = false;		
		}
	},
	//
	//	Get the scroll for the page.
	//
	_getScroll : function(){
      	if(typeof(window.pageYOffset) == 'number') {
        	this.pagePosition.x = window.pageXOffset;
        	this.pagePosition.y = window.pageYOffset;
      	} else if(document.body && (document.body.scrollLeft || document.body.scrollTop)) {
	       	this.pagePosition.x = document.body.scrollLeft;
        	this.pagePosition.y = document.body.scrollTop;
		} else if(document.documentElement) {
        	this.pagePosition.x = document.documentElement.scrollLeft;
        	this.pagePosition.y = document.documentElement.scrollTop;
      	}
	},
	//
	//	Reset the scroll.
	//
	_setScroll : function(x, y) {
		document.documentElement.scrollLeft = x; 
		document.documentElement.scrollTop = y; 
	},
	//
	//	Hide Selects from the page because of IE.
	//     We could use iframe shims instead here but why add all the extra markup for one browser when this is much easier and cleaner
	//
	_toggleTroubleElements : function(visibility, content){
		
		if (content) {
			var selects = $('lightwindow_contents').getElementsByTagName('select');
		} else {
			var selects = document.getElementsByTagName('select');
		}
		
		for(var i = 0; i < selects.length; i++) {
			selects[i].style.visibility = visibility;
		}
		
		if (!content) {
			if (this.options.hideFlash){
				var objects = document.getElementsByTagName('object');
				for (i = 0; i != objects.length; i++) {
					objects[i].style.visibility = visibility;
				}
				var embeds = document.getElementsByTagName('embed');
				for (i = 0; i != embeds.length; i++) {
					embeds[i].style.visibility = visibility;
				}
			}
			var iframes = document.getElementsByTagName('iframe');
			for (i = 0; i != iframes.length; i++) {
				iframes[i].style.visibility = visibility;
			}
		}
	},
	// 
	//  Get the actual page size
	//
	_getPageDimensions : function() {
		var xScroll, yScroll;
		if (window.innerHeight && window.scrollMaxY) {	
			xScroll = document.body.scrollWidth;
			yScroll = window.innerHeight + window.scrollMaxY;
		} else if (document.body.scrollHeight > document.body.offsetHeight){ 
			xScroll = document.body.scrollWidth;
			yScroll = document.body.scrollHeight;
		} else { 
			xScroll = document.body.offsetWidth;
			yScroll = document.body.offsetHeight;
		}

		var windowWidth, windowHeight;
		if (self.innerHeight) {	
			windowWidth = self.innerWidth;
			windowHeight = self.innerHeight;
		} else if (document.documentElement && document.documentElement.clientHeight) { 
			windowWidth = document.documentElement.clientWidth;
			windowHeight = document.documentElement.clientHeight;
		} else if (document.body) { 
			windowWidth = document.body.clientWidth;
			windowHeight = document.body.clientHeight;
		}	

		if(yScroll < windowHeight){
			this.pageDimensions.height = windowHeight;
		} else { 
			this.pageDimensions.height = yScroll;
		}

		if(xScroll < windowWidth){	
			this.pageDimensions.width = windowWidth;
		} else {
			this.pageDimensions.width = xScroll;
		}
	},
	//
	//	Display the lightWindow.
	//
	_displayLightWindow : function(display, visibility) {
		$('lightwindow_overlay').style.display = $('lightwindow').style.display = $('lightwindow_container').style.display = display;	
		$('lightwindow_overlay').style.visibility = $('lightwindow').style.visibility = $('lightwindow_container').style.visibility = visibility;
	},
	//
	//	Setup Dimensions of lightwindow.

	//
	_setupDimensions : function() {

		var originalHeight, originalWidth;
		switch (this.windowType) {
			case 'page' :
				originalHeight = this.options.dimensions.page.height;
				originalWidth = this.options.dimensions.page.width;
				break;

			case 'image' :
				originalHeight = this.options.dimensions.image.height;
				originalWidth = this.options.dimensions.image.width;
				break;
				
			case 'media' :
				originalHeight = this.options.dimensions.media.height;
				originalWidth = this.options.dimensions.media.width;
				break;
			
			case 'external' : 
				originalHeight = this.options.dimensions.external.height;
				originalWidth = this.options.dimensions.external.width;
				break;
				
			case 'inline' :
				originalHeight = this.options.dimensions.inline.height;
				originalWidth = this.options.dimensions.inline.width;
				break;
				
			default :
				originalHeight = this.options.dimensions.page.height;
				originalWidth = this.options.dimensions.page.width;
				break;
				
		}

		var offsetHeight = this._getParameter('lightwindow_top') ? parseFloat(this._getParameter('lightwindow_top'))+this.pagePosition.y : this.dimensions.viewport.height/2+this.pagePosition.y;
		var offsetWidth = this._getParameter('lightwindow_left') ? parseFloat(this._getParameter('lightwindow_left'))+this.pagePosition.x : this.dimensions.viewport.width/2+this.pagePosition.x;
		
		// So if a theme has say shadowed edges, they should be consistant and take care of in the contentOffset
		$('lightwindow').setStyle({
			top: offsetHeight+'px',
			left: offsetWidth+'px'
		});
		
		$('lightwindow_container').setStyle({
			height: originalHeight+'px',
			width: originalWidth+'px',
			left: -(originalWidth/2)+'px',
			top: -(originalHeight/2)+'px'
		});

		$('lightwindow_contents').setStyle({
			height: originalHeight+'px',
			width: originalWidth+'px'
		});
	},
	//
	//	Get the type of file.
	//
	_fileType : function(url) {
		var image = new RegExp("[^\.]\.("+this.options.fileTypes.image.join('|')+")\s*$", "i");
		if (image.test(url)) return 'image';
		if (url.indexOf('#') > -1 && (document.domain == this._getDomain(url))) return 'inline';		
		if (url.indexOf('?') > -1) url = url.substring(0, url.indexOf('?'));
		var type = 'unknown';
		var page = new RegExp("[^\.]\.("+this.options.fileTypes.page.join('|')+")\s*$", "i");
		var media = new RegExp("[^\.]\.("+this.options.fileTypes.media.join('|')+")\s*$", "i");
		if (document.domain != this._getDomain(url)) type = 'external';
	  	if (media.test(url)) type = 'media';
		if (type == 'external' || type == 'media') return type;
	  	if (page.test(url) || url.substr((url.length-1), url.length) == '/') type = 'page';
		return type;
	},
	//
	//  Get file Extension
	//
	_fileExtension : function(url) {
		if (url.indexOf('?') > -1) {
			url = url.substring(0, url.indexOf('?'));
		}
		var extenstion = '';
		for (var x = (url.length-1); x > -1; x--) {
			if (url.charAt(x) == '.') {
				return extenstion;
			}
			extenstion = url.charAt(x)+extenstion;
		}
	},
	//
	//	Monitor the keyboard while this lightwindow is up
	//
	_monitorKeyboard : function(status) {
		if (status) document.onkeydown = this._eventKeypress.bind(this); 
		else document.onkeydown = '';
	},
	//
	//  Perform keyboard actions
	//
	_eventKeypress : function(e) {
		if (e == null) {
			var keycode = event.keyCode;
		} else {
			var keycode = e.which;
		}
		
		switch (keycode) { 
			case 27: 
				this.deactivate(); 
				break;
			
			case 13:
				return;
				
			default:
				break;
		}
	
		// Gotta stop those quick fingers
		if (this.animating) {
			return false;
		}
		
		switch (String.fromCharCode(keycode).toLowerCase()) {
			case 'p':
				if (this.navigationObservers.previous) {
					this.navigateWindow('previous');
				}
				break;
				
			case 'n':
				if (this.navigationObservers.next) {
					this.navigateWindow('next');
				}
				break;
				
			default:
				break;
		}
	},
	//
	//	Get Gallery Information
	//
	_getGalleryInfo : function(rel) {
		if (!rel) return false;
		if (rel.indexOf('[') > -1) {
			return new Array(escape(rel.substring(0, rel.indexOf('['))), escape(rel.substring(rel.indexOf('[')+1, rel.indexOf(']'))));
		} else {
			return false;
		}
	},
	//
	//	Get the domain from a string.
	//
	_getDomain : function(url) {    
        var leadSlashes = url.indexOf('//');
        var domainStart = leadSlashes+2;
        var withoutResource = url.substring(domainStart, url.length);
        var nextSlash = withoutResource.indexOf('/');
        var domain = withoutResource.substring(0, nextSlash);
		if (domain.indexOf(':') > -1){
			var portColon = domain.indexOf(':');
			domain = domain.substring(0, portColon);
       	}
		return domain;
    },
	//
	//	Get the value from the params attribute string.
	//
	_getParameter : function(parameter, parameters) {
		if (!this.element) return false;
		if (parameter == 'lightwindow_top' && this.element.top) {
			return unescape(this.element.top);
		} else if (parameter == 'lightwindow_left' && this.element.left) {
			return unescape(this.element.left);
		} else if (parameter == 'lightwindow_type' && this.element.type) {
			return unescape(this.element.type);
		} else if (parameter == 'lightwindow_show_images' && this.element.showImages) {
			return unescape(this.element.showImages);
		} else if (parameter == 'lightwindow_height' && this.element.height) {
			return unescape(this.element.height);
		} else if (parameter == 'lightwindow_width' && this.element.width) {
			return unescape(this.element.width);
		} else if (parameter == 'lightwindow_loading_animation' && this.element.loadingAnimation) {
			return unescape(this.element.loadingAnimation);
		} else if (parameter == 'lightwindow_iframe_embed' && this.element.iframeEmbed) {
			return unescape(this.element.iframeEmbed);
		} else if (parameter == 'lightwindow_form' && this.element.form) {
			return unescape(this.element.form);
		} else {
			if (!parameters) {
				if (this.element.params) parameters = this.element.params;
				else return;
			}
			var value;
			var parameterArray = parameters.split(',');
			var compareString = parameter+'=';
			var compareLength = compareString.length;
			for (var i = 0; i < parameterArray.length; i++) {
				if (parameterArray[i].substr(0, compareLength) == compareString) {
					var currentParameter = parameterArray[i].split('=');
					value = currentParameter[1];
					break;
				}
			}
			if (!value) return false;
			else return unescape(value);
		}
	},
	//
	//  Get the Browser Viewport Dimensions
	//
	_browserDimensions : function() {
		if (Prototype.Browser.IE) {
            this.dimensions.viewport.height = document.documentElement.clientHeight;
            this.dimensions.viewport.width = document.documentElement.clientWidth;   
        } else {
            this.dimensions.viewport.height = window.innerHeight;
            this.dimensions.viewport.width = document.width || document.body.offsetWidth;
        }
	},
	//
	//  Get the scrollbar offset, I don't like this method but there is really no other way I can find.
	//
	_getScrollerWidth : function() {
	    var scrollDiv = Element.extend(document.createElement('div'));
		scrollDiv.setAttribute('id', 'lightwindow_scroll_div');
		scrollDiv.setStyle({
			position: 'absolute',
			top: '-10000px',
			left: '-10000px',
			width: '100px',
			height: '100px',
			overflow: 'hidden'
		});



	    var contentDiv = Element.extend(document.createElement('div'));
		contentDiv.setAttribute('id', 'lightwindow_content_scroll_div');
		contentDiv.setStyle({
			width: '100%',
			height: '200px'
		});

	    scrollDiv.appendChild(contentDiv);

		var body = document.getElementsByTagName('body')[0];
		body.appendChild(scrollDiv);

	    var noScroll = $('lightwindow_content_scroll_div').offsetWidth;
	    scrollDiv.style.overflow = 'auto';
    	var withScroll = $('lightwindow_content_scroll_div').offsetWidth;

	   	Element.remove($('lightwindow_scroll_div'));

	    this.scrollbarOffset = noScroll-withScroll;
	},
	

	//
	//  Add a param to an object dynamically created
	//
	_addParamToObject : function(name, value, object, id) {
		var param = document.createElement('param');
		param.setAttribute('value', value);
		param.setAttribute('name', name);
		if (id) {
			param.setAttribute('id', id);
		}
		object.appendChild(param);
		return object;
	},
	//
	//  Get the outer HTML of an object CROSS BROWSER
	//
	_outerHTML : function(object) {
 		if (Prototype.Browser.IE) {
			return object.outerHTML;
		} else {
			var clone = object.cloneNode(true);
			var cloneDiv = document.createElement('div');
			cloneDiv.appendChild(clone);
			return cloneDiv.innerHTML;
		}
	},
	//
	//  Convert an object to markup
	//
	_convertToMarkup : function(object, closeTag) {
		var markup = this._outerHTML(object).replace('</'+closeTag+'>', '');
		if (Prototype.Browser.IE) {
			for (var i = 0; i < object.childNodes.length; i++){
				markup += this._outerHTML(object.childNodes[i]);
			}
			markup += '</'+closeTag+'>';
		}
		return markup;
	},
	//
	//  Depending what type of browser it is we have to append the object differently... DAMN YOU IE!!
	//
	_appendObject : function(object, closeTag, appendTo) {
		if (Prototype.Browser.IE) {
			appendTo.innerHTML += this._convertToMarkup(object, closeTag);
			
			// Fix the Eolas activate thing but only for specified media, for example doing this to a quicktime film breaks it.
			if (this.options.EOLASFix.indexOf(this._fileType(this.element.href)) > -1) {
				var objectElements = document.getElementsByTagName('object');
				for (var i = 0; i < objectElements.length; i++) {
					if (objectElements[i].getAttribute("data")) objectElements[i].removeAttribute('data');
					objectElements[i].outerHTML = objectElements[i].outerHTML;
					objectElements[i].style.visibility = "visible";
				}
			}
		} else {
			appendTo.appendChild(object);	
		}	
	},
	//
	//  Add in iframe
	//
	_appendIframe : function(scroll) {
		var iframe = document.createElement('iframe');
		iframe.setAttribute('id', 'lightwindow_iframe');
		iframe.setAttribute('name', 'lightwindow_iframe');
		iframe.setAttribute('src', 'about:blank');
		iframe.setAttribute('height', '100%');
		iframe.setAttribute('width', '100%');
		iframe.setAttribute('frameborder', '0');
		iframe.setAttribute('marginwidth', '0');
		iframe.setAttribute('marginheight', '0');
		iframe.setAttribute('scrolling', scroll);	
		
		this._appendObject(iframe, 'iframe', $('lightwindow_contents'));
	},
	//
	//  Write Content to the iframe using the skin
	//
	_writeToIframe : function(content) {
		var template = this.options.skin.iframe;
		template = template.replace('{body_replace}', content); 
		if ($('lightwindow_iframe').contentWindow){
			$('lightwindow_iframe').contentWindow.document.open();
			$('lightwindow_iframe').contentWindow.document.write(template);
			$('lightwindow_iframe').contentWindow.document.close();
		} else {
			$('lightwindow_iframe').contentDocument.open();
			$('lightwindow_iframe').contentDocument.write(template);
			$('lightwindow_iframe').contentDocument.close();
		}
	},
	//
	//  Load the window Information
	//  
	_loadWindow : function() {
		switch (this.windowType) {
			case 'image' :

				var current = 0;
				var images = [];
				this.checkImage = [];
				this.resizeTo.height = this.resizeTo.width = 0;
				this.imageCount = this._getParameter('lightwindow_show_images') ? parseInt(this._getParameter('lightwindow_show_images')) : 1;

				// If there is a gallery get it
				if (gallery = this._getGalleryInfo(this.element.rel)) {	
					for (current = 0; current < this.galleries[gallery[0]][gallery[1]].length; current++) {
						if (this.contentToFetch.indexOf(this.galleries[gallery[0]][gallery[1]][current].href) > -1) {
							break;
						}
					}
					if (this.galleries[gallery[0]][gallery[1]][current-this.imageCount]) {
						this.navigationObservers.previous = this.galleries[gallery[0]][gallery[1]][current-this.imageCount];
					} else {
						this.navigationObservers.previous = false;
					}
					if (this.galleries[gallery[0]][gallery[1]][current+this.imageCount]) {
						this.navigationObservers.next = this.galleries[gallery[0]][gallery[1]][current+this.imageCount];
					} else {
						this.navigationObservers.next = false;
					}
					
					this.activeGallery = true;
				} else {
					this.navigationObservers.previous = false;
					this.navigationObservers.next = false;					

					this.activeGallery = false;
				}
				
				for (var i = current; i < (current+this.imageCount); i++) {
		
					if (gallery && this.galleries[gallery[0]][gallery[1]][i]) {
						this.contentToFetch = this.galleries[gallery[0]][gallery[1]][i].href;
						
						this.galleryLocation = {current: (i+1)/this.imageCount, total: (this.galleries[gallery[0]][gallery[1]].length)/this.imageCount};
											
						if (!this.galleries[gallery[0]][gallery[1]][i+this.imageCount]) {
							$('lightwindow_next').setStyle({
								display: 'none'
							});
						} else {
							$('lightwindow_next').setStyle({
								display: 'block'
							});
							$('lightwindow_next_title').innerHTML = this.galleries[gallery[0]][gallery[1]][i+this.imageCount].title;
						}
						
						if (!this.galleries[gallery[0]][gallery[1]][i-this.imageCount]) {
							$('lightwindow_previous').setStyle({
								display: 'none'
							});
						} else {
							$('lightwindow_previous').setStyle({
								display: 'block'
							});
							$('lightwindow_previous_title').innerHTML = this.galleries[gallery[0]][gallery[1]][i-this.imageCount].title;
						}
					}

					images[i] = document.createElement('img');
					images[i].setAttribute('id', 'lightwindow_image_'+i);
					images[i].setAttribute('border', '0');
					images[i].setAttribute('src', this.contentToFetch);
					$('lightwindow_contents').appendChild(images[i]);

					// We have to do this instead of .onload 
					this.checkImage[i] = new PeriodicalExecuter(function(i) {
						if (!(typeof $('lightwindow_image_'+i).naturalWidth != "undefined" && $('lightwindow_image_'+i).naturalWidth == 0)) {
	
							this.checkImage[i].stop();
	
							var imageHeight = $('lightwindow_image_'+i).getHeight();
							if (imageHeight > this.resizeTo.height) {
								this.resizeTo.height = imageHeight;
							}
							this.resizeTo.width += $('lightwindow_image_'+i).getWidth();
							this.imageCount--;
	
							$('lightwindow_image_'+i).setStyle({
								height: '100%'
							});
	
						 	if (this.imageCount == 0) {
								this._processWindow();
						 	}
						}
					
					}.bind(this, i), 1);			
				}


			break;
		
		case 'media' :			
		
			var current = 0;
			this.resizeTo.height = this.resizeTo.width = 0;

			// If there is a gallery get it
			if (gallery = this._getGalleryInfo(this.element.rel)) {	
				for (current = 0; current < this.galleries[gallery[0]][gallery[1]].length; current++) {
					if (this.contentToFetch.indexOf(this.galleries[gallery[0]][gallery[1]][current].href) > -1) {
						break;
					}
				}
				
				if (this.galleries[gallery[0]][gallery[1]][current-1]) {
					this.navigationObservers.previous = this.galleries[gallery[0]][gallery[1]][current-1];
				} else {
					this.navigationObservers.previous = false;
				}
				if (this.galleries[gallery[0]][gallery[1]][current+1]) {
					this.navigationObservers.next = this.galleries[gallery[0]][gallery[1]][current+1];
				} else {
					this.navigationObservers.next = false;
				}
		
				this.activeGallery = true;
			} else {
				this.navigationObservers.previous = false;
				this.navigationObservers.next = false;
				
				this.activeGallery = false;
			}
		

			if (gallery && this.galleries[gallery[0]][gallery[1]][current]) {
				this.contentToFetch = this.galleries[gallery[0]][gallery[1]][current].href;

				this.galleryLocation = {current: current+1, total: this.galleries[gallery[0]][gallery[1]].length};
				
				if (!this.galleries[gallery[0]][gallery[1]][current+1]) {
					$('lightwindow_next').setStyle({
						display: 'none'
					});
				} else {
					$('lightwindow_next').setStyle({
						display: 'block'
					});
					$('lightwindow_next_title').innerHTML = this.galleries[gallery[0]][gallery[1]][current+1].title;
				}
				
				if (!this.galleries[gallery[0]][gallery[1]][current-1]) {
					$('lightwindow_previous').setStyle({
						display: 'none'
					});
				} else {
					$('lightwindow_previous').setStyle({
						display: 'block'
					});
					$('lightwindow_previous_title').innerHTML = this.galleries[gallery[0]][gallery[1]][current-1].title;
				}
			}
			
			if (this._getParameter('lightwindow_iframe_embed')) {
				this.resizeTo.height = this.dimensions.viewport.height;
				this.resizeTo.width = this.dimensions.viewport.width;	
			} else {
				this.resizeTo.height = this._getParameter('lightwindow_height');
				this.resizeTo.width = this._getParameter('lightwindow_width');				
			}
			
			this._processWindow();
			
			break;

		case 'external' :		

			this._appendIframe('auto');

			this.resizeTo.height = this.dimensions.viewport.height;
			this.resizeTo.width = this.dimensions.viewport.width;
						
			this._processWindow();

			break;
				
		case 'page' :	
			
			var newAJAX = new Ajax.Request(
				this.contentToFetch, {
					method: 'get', 
					parameters: '', 
					onComplete: function(response) {
						$('lightwindow_contents').innerHTML += response.responseText;
						this.resizeTo.height = $('lightwindow_contents').scrollHeight+(this.options.contentOffset.height);
						this.resizeTo.width = $('lightwindow_contents').scrollWidth+(this.options.contentOffset.width);
						this._processWindow();
					}.bind(this)
				}
			);
			
			break;
			
		case 'inline' : 
		
			var content = this.contentToFetch;
			if (content.indexOf('?') > -1) {
				content = content.substring(0, content.indexOf('?'));
			}
			content = content.substring(content.indexOf('#')+1);
			
			new Insertion.Top($('lightwindow_contents'), $(content).innerHTML);
			
			this.resizeTo.height = $('lightwindow_contents').scrollHeight+(this.options.contentOffset.height);
			this.resizeTo.width = $('lightwindow_contents').scrollWidth+(this.options.contentOffset.width);
			
			this._toggleTroubleElements('hidden', true); 			
			this._processWindow();
			
			break;
			
		default : 
			throw("Page Type could not be determined, please amend this lightwindow URL "+this.contentToFetch);
			break;
		}
	},
	//
	//  Resize the Window to fit the viewport if necessary
	//
	_resizeWindowToFit : function() {
		if (this.resizeTo.height+this.dimensions.cruft.height > this.dimensions.viewport.height) {
			var heightRatio = this.resizeTo.height/this.resizeTo.width;
			this.resizeTo.height = this.dimensions.viewport.height-this.dimensions.cruft.height-(2*this.options.viewportPadding);
			// We only care about ratio's with this window type			
			if (this.windowType == 'image' || (this.windowType == 'media' && !this._getParameter('lightwindow_iframe_embed'))) {
				this.resizeTo.width = this.resizeTo.height/heightRatio;
				$('lightwindow_data_slide_inner').setStyle({
					width: this.resizeTo.width+'px'
				});			
			}
		} 
		if (this.resizeTo.width+this.dimensions.cruft.width > this.dimensions.viewport.width) {
			var widthRatio = this.resizeTo.width/this.resizeTo.height;
			this.resizeTo.width = this.dimensions.viewport.width-2*this.dimensions.cruft.width-(2*this.options.viewportPadding);
			// We only care about ratio's with this window type
			if (this.windowType == 'image' || (this.windowType == 'media' && !this._getParameter('lightwindow_iframe_embed'))) {
				this.resizeTo.height = this.resizeTo.width/widthRatio;
				$('lightwindow_data_slide_inner').setStyle({
					height: this.resizeTo.height+'px'
				});
			}
		}
			
	},
	//
	//  Set the Window to a preset size
	//
	_presetWindowSize : function() {
		if (this._getParameter('lightwindow_height')) {
			this.resizeTo.height = parseFloat(this._getParameter('lightwindow_height'));
		}
		if (this._getParameter('lightwindow_width')) {
			this.resizeTo.width = parseFloat(this._getParameter('lightwindow_width'));
		}
	},
	//
	//  Process the Window
	//
	_processWindow : function() {
		// Clean out our effects
		this.dimensions.dataEffects = [];

		// Set up the data-slide if we have caption information
		if (this.element.caption || this.element.author || (this.activeGallery && this.options.showGalleryCount)) {
			if (this.element.caption) {
				$('lightwindow_data_caption').innerHTML = this.element.caption;
				$('lightwindow_data_caption').setStyle({
					display: 'block'
				});
			} else {
				$('lightwindow_data_caption').setStyle({
					display: 'none'
				});				
			}
			if (this.element.author) {
				$('lightwindow_data_author').innerHTML = this.element.author;
				$('lightwindow_data_author_container').setStyle({
					display: 'block'
				});
			} else {
				$('lightwindow_data_author_container').setStyle({
					display: 'none'
				});				
			}
			if (this.activeGallery && this.options.showGalleryCount) {
				$('lightwindow_data_gallery_current').innerHTML = this.galleryLocation.current;
				$('lightwindow_data_gallery_total').innerHTML = this.galleryLocation.total;
				$('lightwindow_data_gallery_container').setStyle({
					display: 'block'
				});
			} else {
				$('lightwindow_data_gallery_container').setStyle({
					display: 'none'
				});				
			}

			$('lightwindow_data_slide_inner').setStyle({
				width: this.resizeTo.width+'px',
				height: 'auto',
				visibility: 'visible',
				display: 'block'
			});
			$('lightwindow_data_slide').setStyle({
				height: $('lightwindow_data_slide').getHeight()+'px',
				width: '1px',
				overflow: 'hidden',
				display: 'block'
			});
		} else {
			$('lightwindow_data_slide').setStyle({
				display: 'none',
				width: 'auto'
			});
			$('lightwindow_data_slide_inner').setStyle({
				display: 'none',
				visibility: 'hidden',
				width: this.resizeTo.width+'px',
				height: '0px'
			});
		}
				
		if (this.element.title != 'null') {		
			$('lightwindow_title_bar_title').innerHTML = this.element.title;
		} else {
			$('lightwindow_title_bar_title').innerHTML = '';
		}
		
		var originalContainerDimensions = {height: $('lightwindow_container').getHeight(), width: $('lightwindow_container').getWidth()};
		// Position the window
    	$('lightwindow_container').setStyle({
			height: 'auto',
			// We need to set the width to a px not auto as opera has problems with it
			width: $('lightwindow_container').getWidth()+this.options.contentOffset.width-(this.windowActive ? this.options.contentOffset.width : 0)+'px'
		});
		var newContainerDimensions = {height: $('lightwindow_container').getHeight(), width: $('lightwindow_container').getWidth()};
 		
		// We need to record the container dimension changes
		this.containerChange = {height: originalContainerDimensions.height-newContainerDimensions.height, width: originalContainerDimensions.width-newContainerDimensions.width};

		// Get out general dimensions
		this.dimensions.container = {height: $('lightwindow_container').getHeight(), width: $('lightwindow_container').getWidth()};
		this.dimensions.cruft = {height: this.dimensions.container.height-$('lightwindow_contents').getHeight()+this.options.contentOffset.height, width: this.dimensions.container.width-$('lightwindow_contents').getWidth()+this.options.contentOffset.width};
		
		// Set Sizes if we need too
		this._presetWindowSize();
		this._resizeWindowToFit(); // Even if the window is preset we still don't want it to go outside of the viewport

		if (!this.windowActive) {
			// Position the window
		   	$('lightwindow_container').setStyle({
				left: -(this.dimensions.container.width/2)+'px',
				top: -(this.dimensions.container.height/2)+'px'
			});
		}
	   	$('lightwindow_container').setStyle({
			height: this.dimensions.container.height+'px',
			width: this.dimensions.container.width+'px'
		});
		
		// We are ready, lets show this puppy off!
		this._displayLightWindow('block', 'visible');
		this._animateLightWindow();
	},
	//
	//  Fire off our animation handler
	//
	_animateLightWindow : function() {
		if (this.options.animationHandler) {
			this.options.animationHandler().bind(this);
		} else {
			this._defaultAnimationHandler();
		}
	},
	//
	//  Fire off our transition handler
	//
	_handleNavigation : function(display) {
		if (this.options.navigationHandler) {
			this.options.navigationHandler().bind(this, display);
		} else {
			this._defaultDisplayNavigation(display);
		}
	},
	//
	//  Fire off our transition handler
	//
	_handleTransition : function() {
		if (this.options.transitionHandler) {
			this.options.transitionHandler().bind(this);
		} else {
			this._defaultTransitionHandler();
		}
	},
	//
	//  Handle the finish of the window animation
	// 
	_handleFinalWindowAnimation : function(delay) {
		if (this.options.finalAnimationHandler) {
			this.options.finalAnimationHandler().bind(this, delay);
		} else {
			this._defaultfinalWindowAnimationHandler(delay);
		}		
	},
	//
	//  Handle the gallery Animation
	// 
	_handleGalleryAnimation : function(list) {
		if (this.options.galleryAnimationHandler) {
			this.options.galleryAnimationHandler().bind(this, list);
		} else {
			this._defaultGalleryAnimationHandler(list);
		}		
	},
	//
	//  Display the navigation 
	//
	_defaultDisplayNavigation : function(display) {
		if (display) {
			$('lightwindow_navigation').setStyle({
				display: 'block',
				height: $('lightwindow_contents').getHeight()+'px',
				width: '100%',
				marginTop: this.options.dimensions.titleHeight+'px'
			});			
		} else {
			$('lightwindow_navigation').setStyle({
				display: 'none',
				height: 'auto',
				width: 'auto'
			});			
		}
	},
	//
	//  This is the default animation handler for LightWindow
	//
	_defaultAnimationHandler : function() {	
		// Now that we have figures out the cruft lets make the caption go away and add its effects
		if (this.element.caption || this.element.author || (this.activeGallery && this.options.showGalleryCount)) {
			$('lightwindow_data_slide').setStyle({
				display: 'none',
				width: 'auto'
			});
			this.dimensions.dataEffects.push(
				new Effect.SlideDown('lightwindow_data_slide', {sync: true}),
				new Effect.Appear('lightwindow_data_slide', {sync: true, from: 0.0, to: 1.0})
			);
		}

		// Set up the Title if we have one
		$('lightwindow_title_bar_inner').setStyle({
			height: '0px',
			marginTop: this.options.dimensions.titleHeight+'px'
		});
		
		// We always want the title bar as well
		this.dimensions.dataEffects.push(
			new Effect.Morph('lightwindow_title_bar_inner', {sync: true, style: {height: this.options.dimensions.titleHeight+'px', marginTop: '0px'}}),
		 	new Effect.Appear('lightwindow_title_bar_inner', {sync: true, from: 0.0, to: 1.0})
		);		
		
		if (!this.options.hideGalleryTab) {
			this._handleGalleryAnimation(false);
			if ($('lightwindow_galleries_tab_container').getHeight() == 0) {
				this.dimensions.dataEffects.push(
					new Effect.Morph('lightwindow_galleries_tab_container', {sync: true, style: {height: '20px', marginTop: '0px'}})
				);
				$('lightwindow_galleries').setStyle({
					width: '0px'
				});
			}
		}
		
		var resized = false;
		var ratio = this.dimensions.container.width-$('lightwindow_contents').getWidth()+this.resizeTo.width+this.options.contentOffset.width;
		if (ratio != $('lightwindow_container').getWidth()) {
			new Effect.Parallel([
					new Effect.Scale('lightwindow_contents', 100*(this.resizeTo.width/$('lightwindow_contents').getWidth()), {scaleFrom: 100*($('lightwindow_contents').getWidth()/($('lightwindow_contents').getWidth()+(this.options.contentOffset.width))), sync: true,  scaleY: false, scaleContent: false}),
					new Effect.Scale('lightwindow_container', 100*(ratio/(this.dimensions.container.width)), {sync: true, scaleY: false, scaleFromCenter: true, scaleContent: false})
				], {
					duration: this.duration, 
					delay: 0.25,
					queue: {position: 'end', scope: 'lightwindowAnimation'}
				}
			);		
		}
		
		ratio = this.dimensions.container.height-$('lightwindow_contents').getHeight()+this.resizeTo.height+this.options.contentOffset.height;
		if (ratio != $('lightwindow_container').getHeight()) {
			new Effect.Parallel([
					new Effect.Scale('lightwindow_contents', 100*(this.resizeTo.height/$('lightwindow_contents').getHeight()), {scaleFrom: 100*($('lightwindow_contents').getHeight()/($('lightwindow_contents').getHeight()+(this.options.contentOffset.height))), sync: true, scaleX: false, scaleContent: false}),
					new Effect.Scale('lightwindow_container', 100*(ratio/(this.dimensions.container.height)), {sync: true, scaleX: false, scaleFromCenter: true, scaleContent: false})
				], {
					duration: this.duration, 
					afterFinish: function() {				
						if (this.dimensions.dataEffects.length > 0) {
							if (!this.options.hideGalleryTab) {
								$('lightwindow_galleries').setStyle({
									width: this.resizeTo.width+'px'
								});
							}
							new Effect.Parallel(this.dimensions.dataEffects, {
									duration: this.duration,
									afterFinish: function() {
										this._finishWindow();
									}.bind(this),
									queue: {position: 'end', scope: 'lightwindowAnimation'} 
								}
							);
						}
					}.bind(this), 
					queue: {position: 'end', scope: 'lightwindowAnimation'} 
				}
			);
			resized = true;
		}
		
		// We need to do our data effect since there was no resizing
		if (!resized && this.dimensions.dataEffects.length > 0) {	
			new Effect.Parallel(this.dimensions.dataEffects, {
					duration: this.duration,
					beforeStart: function() {
						if (!this.options.hideGalleryTab) {
							$('lightwindow_galleries').setStyle({
								width: this.resizeTo.width+'px'
							});
						}
						if (this.containerChange.height != 0 || this.containerChange.width != 0) {
							new Effect.MoveBy('lightwindow_container', this.containerChange.height, this.containerChange.width, {transition: Effect.Transitions.sinoidal});
						}
					}.bind(this),			
					afterFinish: function() {
						this._finishWindow();
					}.bind(this),
					queue: {position: 'end', scope: 'lightwindowAnimation'} 
				}
			);
		}			
		
	},
	//
	//  Finish up Window Animation
	//
	_defaultfinalWindowAnimationHandler : function(delay) {
		if (this.windowType == 'media' || this._getParameter('lightwindow_loading_animation')) {	
			// Because of major flickering with the overlay we just hide it in this case
			Element.hide('lightwindow_loading');
			this._handleNavigation(this.activeGallery);
			this._setStatus(false);
		} else {
			Effect.Fade('lightwindow_loading', {
				duration: 0.75,
				delay: 1.0, 
				afterFinish: function() {
					// Just in case we need some scroll goodness (this also avoids the swiss cheese effect)
					if (this.windowType != 'image' && this.windowType != 'media' && this.windowType != 'external') {
						$('lightwindow_contents').setStyle({
							overflow: 'auto'
						});
					}
					this._handleNavigation(this.activeGallery);
					this._defaultGalleryAnimationHandler();
					this._setStatus(false);
				}.bind(this),
				queue: {position: 'end', scope: 'lightwindowAnimation'}
			});
		}
	},
	//
	//  Handle the gallery Animation
	//
	_defaultGalleryAnimationHandler : function(list) {
		if (this.activeGallery) {
			$('lightwindow_galleries').setStyle({
				display: 'block',
				marginBottom: $('lightwindow_data_slide').getHeight()+this.options.contentOffset.height/2+'px'
			});
			$('lightwindow_navigation').setStyle({
				height: $('lightwindow_contents').getHeight()-20+'px'
			});
		} else {
			$('lightwindow_galleries').setStyle({
				display: 'none'
			});	
			$('lightwindow_galleries_tab_container').setStyle({
				height: '0px',
				marginTop: '20px'
			});
			$('lightwindow_galleries_list').setStyle({
				height: '0px'
			});
			return false;
		}
		
		if (list) {
			if ($('lightwindow_galleries_list').getHeight() == 0) {
				var height = $('lightwindow_contents').getHeight()*0.80;
				$('lightwindow_galleries_tab_span').className = 'down';
			} else {
				var height = 0;
				$('lightwindow_galleries_tab_span').className = 'up';
			}

			new Effect.Morph('lightwindow_galleries_list', {
				duration: this.duration,
				transition: Effect.Transitions.sinoidal,
				style: {height: height+'px'},
				beforeStart: function() {
					$('lightwindow_galleries_list').setStyle({
						overflow: 'hidden'
					});					
				},
				afterFinish: function() {
					$('lightwindow_galleries_list').setStyle({
						overflow: 'auto'
					});
				},
				queue: {position: 'end', scope: 'lightwindowAnimation'}
			});	
		}
		
		
	},
	//
	//  Default Transition Handler
	//
	_defaultTransitionHandler : function() {
		// Clean out our effects
		this.dimensions.dataEffects = [];

		// Now that we have figures out the cruft lets make the caption go away and add its effects
		if ($('lightwindow_data_slide').getStyle('display') != 'none') {
			this.dimensions.dataEffects.push(
				new Effect.SlideUp('lightwindow_data_slide', {sync: true}),
				new Effect.Fade('lightwindow_data_slide', {sync: true, from: 1.0, to: 0.0})
			);
		}
		
		if (!this.options.hideGalleryTab) {
			if ($('lightwindow_galleries').getHeight() != 0 && !this.options.hideGalleryTab) {
				this.dimensions.dataEffects.push(
					new Effect.Morph('lightwindow_galleries_tab_container', {sync: true, style: {height: '0px', marginTop: '20px'}})
				);
			}
			
			if ($('lightwindow_galleries_list').getHeight() != 0) {
				$('lightwindow_galleries_tab_span').className = 'up';
				this.dimensions.dataEffects.push(
					new Effect.Morph('lightwindow_galleries_list', {
						sync: true, 
						style: {height: '0px'},
						transition: Effect.Transitions.sinoidal,
						beforeStart: function() {
							$('lightwindow_galleries_list').setStyle({
								overflow: 'hidden'
							});					
						},
						afterFinish: function() {
							$('lightwindow_galleries_list').setStyle({
								overflow: 'auto'
							});
						}
					})
				);
			}
		}
		
		// We always want the title bar as well
		this.dimensions.dataEffects.push(
			new Effect.Morph('lightwindow_title_bar_inner', {sync: true, style: {height: '0px', marginTop: this.options.dimensions.titleHeight+'px'}}),
		 	new Effect.Fade('lightwindow_title_bar_inner', {sync: true, from: 1.0, to: 0.0})
		);

		new Effect.Parallel(this.dimensions.dataEffects, {
				duration: this.duration,
				afterFinish: function() {
					this._loadWindow();
				}.bind(this),
				queue: {position: 'end', scope: 'lightwindowAnimation'} 
			}
		);	
	},
	//
	//	Default Form handler for LightWindow
	//
	_defaultFormHandler : function(e) {
		var element = Event.element(e).parentNode;
		var parameterString = Form.serialize(this._getParameter('lightwindow_form', element.getAttribute('params')));
		if (this.options.formMethod == 'post') {
			var newAJAX = new Ajax.Request(element.href, { 
				method: 'post', 
				postBody: parameterString, 
				onComplete: this.openWindow.bind(this, element)
			});
		} else if (this.options.formMethod == 'get') {
			var newAJAX = new Ajax.Request(element.href, { 
				method: 'get', 
				parameters: parameterString, 
				onComplete: this.openWindow.bind(this, element)
			});
		}
	},
	// 
	//  Wrap everything up
	//
	_finishWindow : function() {
		if (this.windowType == 'external') {
			// We set the externals source here because it allows for a much smoother animation
			$('lightwindow_iframe').setAttribute('src', this.element.href);
			this._handleFinalWindowAnimation(1);	
		} else if (this.windowType == 'media') {

			var outerObject = document.createElement('object');
			outerObject.setAttribute('classid', this.options.classids[this._fileExtension(this.contentToFetch)]);
			outerObject.setAttribute('codebase', this.options.codebases[this._fileExtension(this.contentToFetch)]);
			outerObject.setAttribute('id', 'lightwindow_media_primary');
			outerObject.setAttribute('name', 'lightwindow_media_primary');
			outerObject.setAttribute('width', this.resizeTo.width);
			outerObject.setAttribute('height', this.resizeTo.height);
			outerObject = this._addParamToObject('movie', this.contentToFetch, outerObject);
			outerObject = this._addParamToObject('src', this.contentToFetch, outerObject);
			outerObject = this._addParamToObject('controller', 'true', outerObject);
			outerObject = this._addParamToObject('wmode', 'transparent', outerObject);
			outerObject = this._addParamToObject('cache', 'false', outerObject);
			outerObject = this._addParamToObject('quality', 'high', outerObject);

			if (!Prototype.Browser.IE) {
				var innerObject = document.createElement('object');
				innerObject.setAttribute('type', this.options.mimeTypes[this._fileExtension(this.contentToFetch)]);
				innerObject.setAttribute('data', this.contentToFetch);
				innerObject.setAttribute('id', 'lightwindow_media_secondary');
				innerObject.setAttribute('name', 'lightwindow_media_secondary');
				innerObject.setAttribute('width', this.resizeTo.width);
				innerObject.setAttribute('height', this.resizeTo.height);
				innerObject = this._addParamToObject('controller', 'true', innerObject);
				innerObject = this._addParamToObject('wmode', 'transparent', innerObject);
				innerObject = this._addParamToObject('cache', 'false', innerObject);
				innerObject = this._addParamToObject('quality', 'high', innerObject);
			
				outerObject.appendChild(innerObject);
			}	
			
			if (this._getParameter('lightwindow_iframe_embed')) {
				this._appendIframe('no');
				this._writeToIframe(this._convertToMarkup(outerObject, 'object'));
			} else {
				this._appendObject(outerObject, 'object', $('lightwindow_contents'));
			}

			this._handleFinalWindowAnimation(0);
		} else {
			this._handleFinalWindowAnimation(0);
		}

		// Initialize any actions
		this._setupActions();
	}
}

/*-----------------------------------------------------------------------------------------------*/

Event.observe(window, 'load', lightwindowInit, false);

//
//	Set up all of our links
//
var myLightWindow = null;
function lightwindowInit() {
	myLightWindow = new lightwindow();
}