//--------------------------------------------------------------------------------------------------
/*
 * Prototype JavaScript framework, version 1.7_rc1
 * (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: '1.7_rc1',

  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/.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'),
          form = document.createElement('form'),
          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() {

  var IS_DONTENUM_BUGGY = (function(){
    for (var p in { toString: 1 }) {
      if (p === 'toString') return false;
    }
    return true;
  })();

  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, length = properties.length; i < 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,
        properties = Object.keys(source);

    if (IS_DONTENUM_BUGGY) {
      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()[0] == "$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,
      NULL_TYPE = 'Null',
      UNDEFINED_TYPE = 'Undefined',
      BOOLEAN_TYPE = 'Boolean',
      NUMBER_TYPE = 'Number',
      STRING_TYPE = 'String',
      OBJECT_TYPE = 'Object',
      BOOLEAN_CLASS = '[object Boolean]',
      NUMBER_CLASS = '[object Number]',
      STRING_CLASS = '[object String]',
      ARRAY_CLASS = '[object Array]',
      NATIVE_JSON_STRINGIFY_SUPPORT = window.JSON &&
        typeof JSON.stringify === 'function' &&
        JSON.stringify(0) === '0' &&
        typeof JSON.stringify(Prototype.K) === 'undefined';

  function Type(o) {
    switch(o) {
      case null: return NULL_TYPE;
      case (void 0): return UNDEFINED_TYPE;
    }
    var type = typeof o;
    switch(type) {
      case 'boolean': return BOOLEAN_TYPE;
      case 'number':  return NUMBER_TYPE;
      case 'string':  return STRING_TYPE;
    }
    return OBJECT_TYPE;
  }

  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(value) {
    return Str('', { '': value }, []);
  }

  function Str(key, holder, stack) {
    var value = holder[key],
        type = typeof value;

    if (Type(value) === OBJECT_TYPE && typeof value.toJSON === 'function') {
      value = value.toJSON(key);
    }

    var _class = _toString.call(value);

    switch (_class) {
      case NUMBER_CLASS:
      case BOOLEAN_CLASS:
      case STRING_CLASS:
        value = value.valueOf();
    }

    switch (value) {
      case null: return 'null';
      case true: return 'true';
      case false: return 'false';
    }

    type = typeof value;
    switch (type) {
      case 'string':
        return value.inspect(true);
      case 'number':
        return isFinite(value) ? String(value) : 'null';
      case 'object':

        for (var i = 0, length = stack.length; i < length; i++) {
          if (stack[i] === value) { throw new TypeError(); }
        }
        stack.push(value);

        var partial = [];
        if (_class === ARRAY_CLASS) {
          for (var i = 0, length = value.length; i < length; i++) {
            var str = Str(i, value, stack);
            partial.push(typeof str === 'undefined' ? 'null' : str);
          }
          partial = "[" + partial.join(',') + "]";
        } else {
          var keys = Object.keys(value);
          for (var i = 0, length = keys.length; i < length; i++) {
            var key = keys[i], str = Str(key, value, stack);
            if (typeof str !== "undefined") {
               partial.push(key.inspect(true)+ ':' + str);
             }
          }
          partial = '{' + partial.join(',') + '}';
        }
        stack.pop();
        return partial;
    }
  }

  function stringify(object) {
    return JSON.stringify(object);
  }

  function toQueryString(object) {
    return $H(object).toQueryString();
  }

  function toHTML(object) {
    return object && object.toHTML ? object.toHTML() : String.interpret(object);
  }

  function keys(object) {
    if (Type(object) !== OBJECT_TYPE) { throw new TypeError(); }
    var results = [];
    for (var property in object) {
      if (object.hasOwnProperty(property)) {
        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) === ARRAY_CLASS;
  }

  var hasNativeIsArray = (typeof Array.isArray == 'function')
    && Array.isArray([]) && !Array.isArray({});

  if (hasNativeIsArray) {
    isArray = Array.isArray;
  }

  function isHash(object) {
    return object instanceof Hash;
  }

  function isFunction(object) {
    return typeof object === "function";
  }

  function isString(object) {
    return _toString.call(object) === STRING_CLASS;
  }

  function isNumber(object) {
    return _toString.call(object) === NUMBER_CLASS;
  }

  function isUndefined(object) {
    return typeof object === "undefined";
  }

  extend(Object, {
    extend:        extend,
    inspect:       inspect,
    toJSON:        NATIVE_JSON_STRINGIFY_SUPPORT ? stringify : toJSON,
    toQueryString: toQueryString,
    toHTML:        toHTML,
    keys:          Object.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
  }
})());



(function(proto) {


  function toISOString() {
    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';
  }


  function toJSON() {
    return this.toISOString();
  }

  if (!proto.toISOString) proto.toISOString = toISOString;
  if (!proto.toJSON) proto.toJSON = toJSON;

})(Date.prototype);


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() {
  var NATIVE_JSON_PARSE_SUPPORT = window.JSON &&
    typeof JSON.parse === 'function' &&
    JSON.parse('{"test": true}').test;

  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'),
        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()),
            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() {
    return this.replace(/-+(.)?/g, function(match, chr) {
      return chr ? chr.toUpperCase() : '';
    });
  }

  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 unfilterJSON(filter) {
    return this.replace(filter || Prototype.JSONFilter, '$1');
  }

  function isJSON() {
    var str = this;
    if (str.blank()) return false;
    str = str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@');
    str = str.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, "]");
    str = str.replace(/(?:^|:|,)(?:\s*\[)+/g, '');
    return (/^[\],:{}\s]*$/).test(str);
  }

  function evalJSON(sanitize) {
    var json = this.unfilterJSON(),
        cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
    if (cx.test(json)) {
      json = json.replace(cx, function (a) {
        return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
      });
    }
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  }

  function parseJSON() {
    var json = this.unfilterJSON();
    return JSON.parse(json);
  }

  function include(pattern) {
    return this.indexOf(pattern) > -1;
  }

  function startsWith(pattern) {
    return this.lastIndexOf(pattern, 0) === 0;
  }

  function endsWith(pattern) {
    var d = this.length - pattern.length;
    return d >= 0 && this.indexOf(pattern, d) === 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 || 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,
    unfilterJSON:   unfilterJSON,
    isJSON:         isJSON,
    evalJSON:       NATIVE_JSON_PARSE_SUPPORT ? parseJSON : 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],
          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.toArray() : this)._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 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
  });

  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 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:                 toObject,
    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 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,
    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 (!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 HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = (function(){
    try {
      var el = document.createElement('<input name="x">');
      return el.tagName.toLowerCase() === 'input' && el.name === 'x';
    }
    catch (err) {
      return false;
    }
  })();

  var element = global.Element;

  global.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;
    if (HAS_EXTENDED_CREATE_ELEMENT_SYNTAX && 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.idCounter = 1;
Element.cache = { };

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(),
          value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property, maximumLength) {
    element = $(element);
    maximumLength = maximumLength || -1;
    var elements = [];

    while (element = element[property]) {
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
      if (elements.length == maximumLength)
        break;
    }

    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) {
    var results = [], child = $(element).firstChild;
    while (child) {
      if (child.nodeType === 1) {
        results.push(Element.extend(child));
      }
      child = child.nextSibling;
    }
    return results;
  },

  previousSiblings: function(element, maximumLength) {
    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) {
    element = $(element);
    if (Object.isString(selector))
      return Prototype.Selector.match(element, 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] :
      Prototype.Selector.find(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 (Object.isNumber(expression)) index = expression, expression = false;
    if (!Object.isNumber(index)) index = 0;

    if (expression) {
      return Prototype.Selector.find(element.previousSiblings(), expression, index);
    } else {
      return element.recursivelyCollect("previousSibling", index + 1)[index];
    }
  },

  next: function(element, expression, index) {
    element = $(element);
    if (Object.isNumber(expression)) index = expression, expression = false;
    if (!Object.isNumber(index)) index = 0;

    if (expression) {
      return Prototype.Selector.find(element.nextSiblings(), expression, index);
    } else {
      var maximumLength = Object.isNumber(index) ? index + 1 : 1;
      return element.recursivelyCollect("nextSibling", index + 1)[index];
    }
  },


  select: function(element) {
    element = $(element);
    var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
    return Prototype.Selector.select(expressions, element);
  },

  adjacent: function(element) {
    element = $(element);
    var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
    return Prototype.Selector.select(expressions, element.parentNode).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;
  },

  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;
    if (element.parentNode) {
      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),
        top     = offsets[1],
        left    = offsets[0],
        width   = element.clientWidth,
        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),
        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,
        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), delta = [0, 0], parent = null;

    element = $(element);

    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);
      if (!element.parentNode) 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);
        if (!element.parentNode) 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.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',
        forProp = 'for',
        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'), f;
            el.onclick = Prototype.emptyFunction;
            var value = el.getAttribute('onclick');

            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(),
          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];
    for (var i = t[2]; i--; ) {
      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),
            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;
})();

if (document.documentElement.hasAttribute) {
  Element.hasAttribute = function(element, attribute) {
    return element.hasAttribute(attribute);
  };
}
else {
  Element.hasAttribute = Element.Methods.Simulated.hasAttribute;
}

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),
        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);
  }
});
Prototype._original_property = window.Sizzle;
/*!
 * Sizzle CSS Selector Engine - v1.0
 *  Copyright 2009, The Dojo Foundation
 *  Released under the MIT, BSD, and GPL Licenses.
 *  More information: http://sizzlejs.com/
 */
(function(){

var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
	done = 0,
	toString = Object.prototype.toString,
	hasDuplicate = false,
	baseHasDuplicate = true;

[0, 0].sort(function(){
	baseHasDuplicate = false;
	return 0;
});

var Sizzle = function(selector, context, results, seed) {
	results = results || [];
	var origContext = context = context || document;

	if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
		return [];
	}

	if ( !selector || typeof selector !== "string" ) {
		return results;
	}

	var parts = [], m, set, checkSet, check, mode, extra, prune = true, contextXML = isXML(context),
		soFar = selector;

	while ( (chunker.exec(""), m = chunker.exec(soFar)) !== null ) {
		soFar = m[3];

		parts.push( m[1] );

		if ( m[2] ) {
			extra = m[3];
			break;
		}
	}

	if ( parts.length > 1 && origPOS.exec( selector ) ) {
		if ( parts.length === 2 && Expr.relative[ parts[0] ] ) {
			set = posProcess( parts[0] + parts[1], context );
		} else {
			set = Expr.relative[ parts[0] ] ?
				[ context ] :
				Sizzle( parts.shift(), context );

			while ( parts.length ) {
				selector = parts.shift();

				if ( Expr.relative[ selector ] )
					selector += parts.shift();

				set = posProcess( selector, set );
			}
		}
	} else {
		if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML &&
				Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) {
			var ret = Sizzle.find( parts.shift(), context, contextXML );
			context = ret.expr ? Sizzle.filter( ret.expr, ret.set )[0] : ret.set[0];
		}

		if ( context ) {
			var ret = seed ?
				{ expr: parts.pop(), set: makeArray(seed) } :
				Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML );
			set = ret.expr ? Sizzle.filter( ret.expr, ret.set ) : ret.set;

			if ( parts.length > 0 ) {
				checkSet = makeArray(set);
			} else {
				prune = false;
			}

			while ( parts.length ) {
				var cur = parts.pop(), pop = cur;

				if ( !Expr.relative[ cur ] ) {
					cur = "";
				} else {
					pop = parts.pop();
				}

				if ( pop == null ) {
					pop = context;
				}

				Expr.relative[ cur ]( checkSet, pop, contextXML );
			}
		} else {
			checkSet = parts = [];
		}
	}

	if ( !checkSet ) {
		checkSet = set;
	}

	if ( !checkSet ) {
		throw "Syntax error, unrecognized expression: " + (cur || selector);
	}

	if ( toString.call(checkSet) === "[object Array]" ) {
		if ( !prune ) {
			results.push.apply( results, checkSet );
		} else if ( context && context.nodeType === 1 ) {
			for ( var i = 0; checkSet[i] != null; i++ ) {
				if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && contains(context, checkSet[i])) ) {
					results.push( set[i] );
				}
			}
		} else {
			for ( var i = 0; checkSet[i] != null; i++ ) {
				if ( checkSet[i] && checkSet[i].nodeType === 1 ) {
					results.push( set[i] );
				}
			}
		}
	} else {
		makeArray( checkSet, results );
	}

	if ( extra ) {
		Sizzle( extra, origContext, results, seed );
		Sizzle.uniqueSort( results );
	}

	return results;
};

Sizzle.uniqueSort = function(results){
	if ( sortOrder ) {
		hasDuplicate = baseHasDuplicate;
		results.sort(sortOrder);

		if ( hasDuplicate ) {
			for ( var i = 1; i < results.length; i++ ) {
				if ( results[i] === results[i-1] ) {
					results.splice(i--, 1);
				}
			}
		}
	}

	return results;
};

Sizzle.matches = function(expr, set){
	return Sizzle(expr, null, null, set);
};

Sizzle.find = function(expr, context, isXML){
	var set, match;

	if ( !expr ) {
		return [];
	}

	for ( var i = 0, l = Expr.order.length; i < l; i++ ) {
		var type = Expr.order[i], match;

		if ( (match = Expr.leftMatch[ type ].exec( expr )) ) {
			var left = match[1];
			match.splice(1,1);

			if ( left.substr( left.length - 1 ) !== "\\" ) {
				match[1] = (match[1] || "").replace(/\\/g, "");
				set = Expr.find[ type ]( match, context, isXML );
				if ( set != null ) {
					expr = expr.replace( Expr.match[ type ], "" );
					break;
				}
			}
		}
	}

	if ( !set ) {
		set = context.getElementsByTagName("*");
	}

	return {set: set, expr: expr};
};

Sizzle.filter = function(expr, set, inplace, not){
	var old = expr, result = [], curLoop = set, match, anyFound,
		isXMLFilter = set && set[0] && isXML(set[0]);

	while ( expr && set.length ) {
		for ( var type in Expr.filter ) {
			if ( (match = Expr.match[ type ].exec( expr )) != null ) {
				var filter = Expr.filter[ type ], found, item;
				anyFound = false;

				if ( curLoop == result ) {
					result = [];
				}

				if ( Expr.preFilter[ type ] ) {
					match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );

					if ( !match ) {
						anyFound = found = true;
					} else if ( match === true ) {
						continue;
					}
				}

				if ( match ) {
					for ( var i = 0; (item = curLoop[i]) != null; i++ ) {
						if ( item ) {
							found = filter( item, match, i, curLoop );
							var pass = not ^ !!found;

							if ( inplace && found != null ) {
								if ( pass ) {
									anyFound = true;
								} else {
									curLoop[i] = false;
								}
							} else if ( pass ) {
								result.push( item );
								anyFound = true;
							}
						}
					}
				}

				if ( found !== undefined ) {
					if ( !inplace ) {
						curLoop = result;
					}

					expr = expr.replace( Expr.match[ type ], "" );

					if ( !anyFound ) {
						return [];
					}

					break;
				}
			}
		}

		if ( expr == old ) {
			if ( anyFound == null ) {
				throw "Syntax error, unrecognized expression: " + expr;
			} else {
				break;
			}
		}

		old = expr;
	}

	return curLoop;
};

var Expr = Sizzle.selectors = {
	order: [ "ID", "NAME", "TAG" ],
	match: {
		ID: /#((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
		CLASS: /\.((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
		NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF-]|\\.)+)['"]*\]/,
		ATTR: /\[\s*((?:[\w\u00c0-\uFFFF-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/,
		TAG: /^((?:[\w\u00c0-\uFFFF\*-]|\\.)+)/,
		CHILD: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/,
		POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/,
		PSEUDO: /:((?:[\w\u00c0-\uFFFF-]|\\.)+)(?:\((['"]*)((?:\([^\)]+\)|[^\2\(\)]*)+)\2\))?/
	},
	leftMatch: {},
	attrMap: {
		"class": "className",
		"for": "htmlFor"
	},
	attrHandle: {
		href: function(elem){
			return elem.getAttribute("href");
		}
	},
	relative: {
		"+": function(checkSet, part, isXML){
			var isPartStr = typeof part === "string",
				isTag = isPartStr && !/\W/.test(part),
				isPartStrNotTag = isPartStr && !isTag;

			if ( isTag && !isXML ) {
				part = part.toUpperCase();
			}

			for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) {
				if ( (elem = checkSet[i]) ) {
					while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}

					checkSet[i] = isPartStrNotTag || elem && elem.nodeName === part ?
						elem || false :
						elem === part;
				}
			}

			if ( isPartStrNotTag ) {
				Sizzle.filter( part, checkSet, true );
			}
		},
		">": function(checkSet, part, isXML){
			var isPartStr = typeof part === "string";

			if ( isPartStr && !/\W/.test(part) ) {
				part = isXML ? part : part.toUpperCase();

				for ( var i = 0, l = checkSet.length; i < l; i++ ) {
					var elem = checkSet[i];
					if ( elem ) {
						var parent = elem.parentNode;
						checkSet[i] = parent.nodeName === part ? parent : false;
					}
				}
			} else {
				for ( var i = 0, l = checkSet.length; i < l; i++ ) {
					var elem = checkSet[i];
					if ( elem ) {
						checkSet[i] = isPartStr ?
							elem.parentNode :
							elem.parentNode === part;
					}
				}

				if ( isPartStr ) {
					Sizzle.filter( part, checkSet, true );
				}
			}
		},
		"": function(checkSet, part, isXML){
			var doneName = done++, checkFn = dirCheck;

			if ( !/\W/.test(part) ) {
				var nodeCheck = part = isXML ? part : part.toUpperCase();
				checkFn = dirNodeCheck;
			}

			checkFn("parentNode", part, doneName, checkSet, nodeCheck, isXML);
		},
		"~": function(checkSet, part, isXML){
			var doneName = done++, checkFn = dirCheck;

			if ( typeof part === "string" && !/\W/.test(part) ) {
				var nodeCheck = part = isXML ? part : part.toUpperCase();
				checkFn = dirNodeCheck;
			}

			checkFn("previousSibling", part, doneName, checkSet, nodeCheck, isXML);
		}
	},
	find: {
		ID: function(match, context, isXML){
			if ( typeof context.getElementById !== "undefined" && !isXML ) {
				var m = context.getElementById(match[1]);
				return m ? [m] : [];
			}
		},
		NAME: function(match, context, isXML){
			if ( typeof context.getElementsByName !== "undefined" ) {
				var ret = [], results = context.getElementsByName(match[1]);

				for ( var i = 0, l = results.length; i < l; i++ ) {
					if ( results[i].getAttribute("name") === match[1] ) {
						ret.push( results[i] );
					}
				}

				return ret.length === 0 ? null : ret;
			}
		},
		TAG: function(match, context){
			return context.getElementsByTagName(match[1]);
		}
	},
	preFilter: {
		CLASS: function(match, curLoop, inplace, result, not, isXML){
			match = " " + match[1].replace(/\\/g, "") + " ";

			if ( isXML ) {
				return match;
			}

			for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) {
				if ( elem ) {
					if ( not ^ (elem.className && (" " + elem.className + " ").indexOf(match) >= 0) ) {
						if ( !inplace )
							result.push( elem );
					} else if ( inplace ) {
						curLoop[i] = false;
					}
				}
			}

			return false;
		},
		ID: function(match){
			return match[1].replace(/\\/g, "");
		},
		TAG: function(match, curLoop){
			for ( var i = 0; curLoop[i] === false; i++ ){}
			return curLoop[i] && isXML(curLoop[i]) ? match[1] : match[1].toUpperCase();
		},
		CHILD: function(match){
			if ( match[1] == "nth" ) {
				var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
					match[2] == "even" && "2n" || match[2] == "odd" && "2n+1" ||
					!/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);

				match[2] = (test[1] + (test[2] || 1)) - 0;
				match[3] = test[3] - 0;
			}

			match[0] = done++;

			return match;
		},
		ATTR: function(match, curLoop, inplace, result, not, isXML){
			var name = match[1].replace(/\\/g, "");

			if ( !isXML && Expr.attrMap[name] ) {
				match[1] = Expr.attrMap[name];
			}

			if ( match[2] === "~=" ) {
				match[4] = " " + match[4] + " ";
			}

			return match;
		},
		PSEUDO: function(match, curLoop, inplace, result, not){
			if ( match[1] === "not" ) {
				if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
					match[3] = Sizzle(match[3], null, null, curLoop);
				} else {
					var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not);
					if ( !inplace ) {
						result.push.apply( result, ret );
					}
					return false;
				}
			} else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
				return true;
			}

			return match;
		},
		POS: function(match){
			match.unshift( true );
			return match;
		}
	},
	filters: {
		enabled: function(elem){
			return elem.disabled === false && elem.type !== "hidden";
		},
		disabled: function(elem){
			return elem.disabled === true;
		},
		checked: function(elem){
			return elem.checked === true;
		},
		selected: function(elem){
			elem.parentNode.selectedIndex;
			return elem.selected === true;
		},
		parent: function(elem){
			return !!elem.firstChild;
		},
		empty: function(elem){
			return !elem.firstChild;
		},
		has: function(elem, i, match){
			return !!Sizzle( match[3], elem ).length;
		},
		header: function(elem){
			return /h\d/i.test( elem.nodeName );
		},
		text: function(elem){
			return "text" === elem.type;
		},
		radio: function(elem){
			return "radio" === elem.type;
		},
		checkbox: function(elem){
			return "checkbox" === elem.type;
		},
		file: function(elem){
			return "file" === elem.type;
		},
		password: function(elem){
			return "password" === elem.type;
		},
		submit: function(elem){
			return "submit" === elem.type;
		},
		image: function(elem){
			return "image" === elem.type;
		},
		reset: function(elem){
			return "reset" === elem.type;
		},
		button: function(elem){
			return "button" === elem.type || elem.nodeName.toUpperCase() === "BUTTON";
		},
		input: function(elem){
			return /input|select|textarea|button/i.test(elem.nodeName);
		}
	},
	setFilters: {
		first: function(elem, i){
			return i === 0;
		},
		last: function(elem, i, match, array){
			return i === array.length - 1;
		},
		even: function(elem, i){
			return i % 2 === 0;
		},
		odd: function(elem, i){
			return i % 2 === 1;
		},
		lt: function(elem, i, match){
			return i < match[3] - 0;
		},
		gt: function(elem, i, match){
			return i > match[3] - 0;
		},
		nth: function(elem, i, match){
			return match[3] - 0 == i;
		},
		eq: function(elem, i, match){
			return match[3] - 0 == i;
		}
	},
	filter: {
		PSEUDO: function(elem, match, i, array){
			var name = match[1], filter = Expr.filters[ name ];

			if ( filter ) {
				return filter( elem, i, match, array );
			} else if ( name === "contains" ) {
				return (elem.textContent || elem.innerText || "").indexOf(match[3]) >= 0;
			} else if ( name === "not" ) {
				var not = match[3];

				for ( var i = 0, l = not.length; i < l; i++ ) {
					if ( not[i] === elem ) {
						return false;
					}
				}

				return true;
			}
		},
		CHILD: function(elem, match){
			var type = match[1], node = elem;
			switch (type) {
				case 'only':
				case 'first':
					while ( (node = node.previousSibling) )  {
						if ( node.nodeType === 1 ) return false;
					}
					if ( type == 'first') return true;
					node = elem;
				case 'last':
					while ( (node = node.nextSibling) )  {
						if ( node.nodeType === 1 ) return false;
					}
					return true;
				case 'nth':
					var first = match[2], last = match[3];

					if ( first == 1 && last == 0 ) {
						return true;
					}

					var doneName = match[0],
						parent = elem.parentNode;

					if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) {
						var count = 0;
						for ( node = parent.firstChild; node; node = node.nextSibling ) {
							if ( node.nodeType === 1 ) {
								node.nodeIndex = ++count;
							}
						}
						parent.sizcache = doneName;
					}

					var diff = elem.nodeIndex - last;
					if ( first == 0 ) {
						return diff == 0;
					} else {
						return ( diff % first == 0 && diff / first >= 0 );
					}
			}
		},
		ID: function(elem, match){
			return elem.nodeType === 1 && elem.getAttribute("id") === match;
		},
		TAG: function(elem, match){
			return (match === "*" && elem.nodeType === 1) || elem.nodeName === match;
		},
		CLASS: function(elem, match){
			return (" " + (elem.className || elem.getAttribute("class")) + " ")
				.indexOf( match ) > -1;
		},
		ATTR: function(elem, match){
			var name = match[1],
				result = Expr.attrHandle[ name ] ?
					Expr.attrHandle[ name ]( elem ) :
					elem[ name ] != null ?
						elem[ name ] :
						elem.getAttribute( name ),
				value = result + "",
				type = match[2],
				check = match[4];

			return result == null ?
				type === "!=" :
				type === "=" ?
				value === check :
				type === "*=" ?
				value.indexOf(check) >= 0 :
				type === "~=" ?
				(" " + value + " ").indexOf(check) >= 0 :
				!check ?
				value && result !== false :
				type === "!=" ?
				value != check :
				type === "^=" ?
				value.indexOf(check) === 0 :
				type === "$=" ?
				value.substr(value.length - check.length) === check :
				type === "|=" ?
				value === check || value.substr(0, check.length + 1) === check + "-" :
				false;
		},
		POS: function(elem, match, i, array){
			var name = match[2], filter = Expr.setFilters[ name ];

			if ( filter ) {
				return filter( elem, i, match, array );
			}
		}
	}
};

var origPOS = Expr.match.POS;

for ( var type in Expr.match ) {
	Expr.match[ type ] = new RegExp( Expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source );
	Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source );
}

var makeArray = function(array, results) {
	array = Array.prototype.slice.call( array, 0 );

	if ( results ) {
		results.push.apply( results, array );
		return results;
	}

	return array;
};

try {
	Array.prototype.slice.call( document.documentElement.childNodes, 0 );

} catch (e){
	makeArray = function(array, results) {
		var ret = results || [];

		if ( toString.call(array) === "[object Array]" ) {
			Array.prototype.push.apply( ret, array );
		} else {
			if ( typeof array.length === "number" ) {
				for ( var i = 0, l = array.length; i < l; i++ ) {
					ret.push( array[i] );
				}
			} else {
				for ( var i = 0; array[i]; i++ ) {
					ret.push( array[i] );
				}
			}
		}

		return ret;
	};
}

var sortOrder;

if ( document.documentElement.compareDocumentPosition ) {
	sortOrder = function( a, b ) {
		if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) {
			if ( a == b ) {
				hasDuplicate = true;
			}
			return 0;
		}

		var ret = a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1;
		if ( ret === 0 ) {
			hasDuplicate = true;
		}
		return ret;
	};
} else if ( "sourceIndex" in document.documentElement ) {
	sortOrder = function( a, b ) {
		if ( !a.sourceIndex || !b.sourceIndex ) {
			if ( a == b ) {
				hasDuplicate = true;
			}
			return 0;
		}

		var ret = a.sourceIndex - b.sourceIndex;
		if ( ret === 0 ) {
			hasDuplicate = true;
		}
		return ret;
	};
} else if ( document.createRange ) {
	sortOrder = function( a, b ) {
		if ( !a.ownerDocument || !b.ownerDocument ) {
			if ( a == b ) {
				hasDuplicate = true;
			}
			return 0;
		}

		var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange();
		aRange.setStart(a, 0);
		aRange.setEnd(a, 0);
		bRange.setStart(b, 0);
		bRange.setEnd(b, 0);
		var ret = aRange.compareBoundaryPoints(Range.START_TO_END, bRange);
		if ( ret === 0 ) {
			hasDuplicate = true;
		}
		return ret;
	};
}

(function(){
	var form = document.createElement("div"),
		id = "script" + (new Date).getTime();
	form.innerHTML = "<a name='" + id + "'/>";

	var root = document.documentElement;
	root.insertBefore( form, root.firstChild );

	if ( !!document.getElementById( id ) ) {
		Expr.find.ID = function(match, context, isXML){
			if ( typeof context.getElementById !== "undefined" && !isXML ) {
				var m = context.getElementById(match[1]);
				return m ? m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : [];
			}
		};

		Expr.filter.ID = function(elem, match){
			var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
			return elem.nodeType === 1 && node && node.nodeValue === match;
		};
	}

	root.removeChild( form );
	root = form = null; // release memory in IE
})();

(function(){

	var div = document.createElement("div");
	div.appendChild( document.createComment("") );

	if ( div.getElementsByTagName("*").length > 0 ) {
		Expr.find.TAG = function(match, context){
			var results = context.getElementsByTagName(match[1]);

			if ( match[1] === "*" ) {
				var tmp = [];

				for ( var i = 0; results[i]; i++ ) {
					if ( results[i].nodeType === 1 ) {
						tmp.push( results[i] );
					}
				}

				results = tmp;
			}

			return results;
		};
	}

	div.innerHTML = "<a href='#'></a>";
	if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" &&
			div.firstChild.getAttribute("href") !== "#" ) {
		Expr.attrHandle.href = function(elem){
			return elem.getAttribute("href", 2);
		};
	}

	div = null; // release memory in IE
})();

if ( document.querySelectorAll ) (function(){
	var oldSizzle = Sizzle, div = document.createElement("div");
	div.innerHTML = "<p class='TEST'></p>";

	if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
		return;
	}

	Sizzle = function(query, context, extra, seed){
		context = context || document;

		if ( !seed && context.nodeType === 9 && !isXML(context) ) {
			try {
				return makeArray( context.querySelectorAll(query), extra );
			} catch (e){}
		}

		return oldSizzle(query, context, extra, seed);
	};

	for ( var prop in oldSizzle ) {
		Sizzle[ prop ] = oldSizzle[ prop ];
	}

	div = null; // release memory in IE
})();

if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) (function(){
	var div = document.createElement("div");
	div.innerHTML = "<div class='test e'></div><div class='test'></div>";

	if ( div.getElementsByClassName("e").length === 0 )
		return;

	div.lastChild.className = "e";

	if ( div.getElementsByClassName("e").length === 1 )
		return;

	Expr.order.splice(1, 0, "CLASS");
	Expr.find.CLASS = function(match, context, isXML) {
		if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) {
			return context.getElementsByClassName(match[1]);
		}
	};

	div = null; // release memory in IE
})();

function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
	var sibDir = dir == "previousSibling" && !isXML;
	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
		var elem = checkSet[i];
		if ( elem ) {
			if ( sibDir && elem.nodeType === 1 ){
				elem.sizcache = doneName;
				elem.sizset = i;
			}
			elem = elem[dir];
			var match = false;

			while ( elem ) {
				if ( elem.sizcache === doneName ) {
					match = checkSet[elem.sizset];
					break;
				}

				if ( elem.nodeType === 1 && !isXML ){
					elem.sizcache = doneName;
					elem.sizset = i;
				}

				if ( elem.nodeName === cur ) {
					match = elem;
					break;
				}

				elem = elem[dir];
			}

			checkSet[i] = match;
		}
	}
}

function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
	var sibDir = dir == "previousSibling" && !isXML;
	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
		var elem = checkSet[i];
		if ( elem ) {
			if ( sibDir && elem.nodeType === 1 ) {
				elem.sizcache = doneName;
				elem.sizset = i;
			}
			elem = elem[dir];
			var match = false;

			while ( elem ) {
				if ( elem.sizcache === doneName ) {
					match = checkSet[elem.sizset];
					break;
				}

				if ( elem.nodeType === 1 ) {
					if ( !isXML ) {
						elem.sizcache = doneName;
						elem.sizset = i;
					}
					if ( typeof cur !== "string" ) {
						if ( elem === cur ) {
							match = true;
							break;
						}

					} else if ( Sizzle.filter( cur, [elem] ).length > 0 ) {
						match = elem;
						break;
					}
				}

				elem = elem[dir];
			}

			checkSet[i] = match;
		}
	}
}

var contains = document.compareDocumentPosition ?  function(a, b){
	return a.compareDocumentPosition(b) & 16;
} : function(a, b){
	return a !== b && (a.contains ? a.contains(b) : true);
};

var isXML = function(elem){
	return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
		!!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML";
};

var posProcess = function(selector, context){
	var tmpSet = [], later = "", match,
		root = context.nodeType ? [context] : context;

	while ( (match = Expr.match.PSEUDO.exec( selector )) ) {
		later += match[0];
		selector = selector.replace( Expr.match.PSEUDO, "" );
	}

	selector = Expr.relative[selector] ? selector + "*" : selector;

	for ( var i = 0, l = root.length; i < l; i++ ) {
		Sizzle( selector, root[i], tmpSet );
	}

	return Sizzle.filter( later, tmpSet );
};


window.Sizzle = Sizzle;

})();

Prototype.Selector = (function(engine) {
  function extend(elements) {
    for (var i = 0, length = elements.length; i < length; i++) {
      Element.extend(elements[i]);
    }
    return elements;
  }

  function select(selector, scope) {
    return extend(engine(selector, scope || document));
  }

  function match(element, selector) {
    return engine.matches(selector, [element]).length == 1;
  }

  return {
    engine:  engine,
    select:  select,
    match:   match
  };
})(Sizzle);

window.Sizzle = Prototype._original_property;
delete Prototype._original_property;

(function() {

  function toDecimal(pctString) {
    var match = pctString.match(/^(\d+)%?$/i);
    if (!match) return null;
    return (Number(match[1]) / 100);
  }

  function getPixelValue(value, property) {
    if (Object.isElement(value)) {
      element = value;
      value = element.getStyle(property);
    }
    if (value === null) {
      return null;
    }

    if ((/^\d+(\.\d+)?(px)?$/i).test(value)) {
      return window.parseFloat(value);
    }

    if (/\d/.test(value) && element.runtimeStyle) {
      var style = element.style.left, rStyle = element.runtimeStyle.left;
      element.runtimeStyle.left = element.currentStyle.left;
      element.style.left = value || 0;
      value = element.style.pixelLeft;
      element.style.left = style;
      element.runtimeStyle.left = rStyle;

      return value;
    }

    if (value.include('%')) {
      var decimal = toDecimal(value);
      var whole;
      if (property.include('left') || property.include('right') ||
       property.include('width')) {
        whole = $(element.parentNode).measure('width');
      } else if (property.include('top') || property.include('bottom') ||
       property.include('height')) {
        whole = $(element.parentNode).measure('height');
      }

      return whole * decimal;
    }

    return 0;
  }

  function toCSSPixels(number) {
    if (Object.isString(number) && number.endsWith('px')) {
      return number;
    }
    return number + 'px';
  }

  function isDisplayed(element) {
    var originalElement = element;
    while (element && element.parentNode) {
      var display = element.getStyle('display');
      if (display === 'none') {
        return false;
      }
      element = $(element.parentNode);
    }
    return true;
  }

  var hasLayout = Prototype.K;
  if ('currentStyle' in document.documentElement) {
    hasLayout = function(element) {
      if (!element.currentStyle.hasLayout) {
        element.style.zoom = 1;
      }
      return element;
    };
  }

  function cssNameFor(key) {
    if (key.includes('border')) return key + '-width';
    return key;
  }

  Element.Layout = Class.create(Hash, {
    initialize: function($super, element, preCompute) {
      $super();
      this.element = $(element);

      Element.Layout.PROPERTIES.each( function(property) {
        this._set(property, null);
      }, this);

      if (preCompute) {
        this._preComputing = true;
        this._begin();
        Element.Layout.PROPERTIES.each( this._compute, this );
        this._end();
        this._preComputing = false;
      }
    },

    _set: function(property, value) {
      return Hash.prototype.set.call(this, property, value);
    },

    set: function(property, value) {
      throw "Properties of Element.Layout are read-only.";
    },

    get: function($super, property) {
      var value = $super(property);
      return value === null ? this._compute(property) : value;
    },

    _begin: function() {
      if (this._prepared) return;

      var element = this.element;
      if (isDisplayed(element)) {
        this._prepared = true;
        return;
      }

      var originalStyles = {
        position:   element.style.position   || '',
        width:      element.style.width      || '',
        visibility: element.style.visibility || '',
        display:    element.style.display    || ''
      };

      element.store('prototype_original_styles', originalStyles);

      var position = element.getStyle('position'),
       width = element.getStyle('width');

      element.setStyle({
        position:   'absolute',
        visibility: 'hidden',
        display:    'block'
      });

      var positionedWidth = element.getStyle('width');

      var newWidth;
      if (width && (positionedWidth === width)) {
        newWidth = getPixelValue(width);
      } else if (width && (position === 'absolute' || position === 'fixed')) {
        newWidth = getPixelValue(width);
      } else {
        var parent = element.parentNode, pLayout = $(parent).getLayout();

        newWidth = pLayout.get('width') -
         this.get('margin-left') -
         this.get('border-left') -
         this.get('padding-left') -
         this.get('padding-right') -
         this.get('border-right') -
         this.get('margin-right');
      }

      element.setStyle({ width: newWidth + 'px' });

      this._prepared = true;
    },

    _end: function() {
      var element = this.element;
      var originalStyles = element.retrieve('prototype_original_styles');
      element.store('prototype_original_styles', null);
      element.setStyle(originalStyles);
      this._prepared = false;
    },

    _compute: function(property) {
      var COMPUTATIONS = Element.Layout.COMPUTATIONS;
      if (!(property in COMPUTATIONS)) {
        throw "Property not found.";
      }
      return this._set(property, COMPUTATIONS[property].call(this, this.element));
    },

    toCSS: function() {
      var args = $A(arguments);
      var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
       args.join(' ').split(' ');
      var css = {};
      keys.each( function(key) {
        if (!Element.Layout.PROPERTIES.include(key)) return;
        if (Element.Layout.COMPOSITE_PROPERTIES.include(key)) return;

        var value = this.get(key);
        if (value) css[cssNameFor(key)] = value + 'px';
      });
      return css;
    },

    inspect: function() {
      return "#<Element.Layout>";
    }
  });

  Object.extend(Element.Layout, {
    PROPERTIES: $w('height width top left right bottom border-left border-right border-top border-bottom padding-left padding-right padding-top padding-bottom margin-top margin-bottom margin-left margin-right padding-box-width padding-box-height border-box-width border-box-height margin-box-width margin-box-height'),

    COMPOSITE_PROPERTIES: $w('padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height'),

    COMPUTATIONS: {
      'height': function(element) {
        if (!this._preComputing) this._begin();

        var bHeight = this.get('border-box-height');
        if (bHeight <= 0) return 0;

        var bTop = this.get('border-top'),
         bBottom = this.get('border-bottom');

        var pTop = this.get('padding-top'),
         pBottom = this.get('padding-bottom');

        if (!this._preComputing) this._end();

        return bHeight - bTop - bBottom - pTop - pBottom;
      },

      'width': function(element) {
        if (!this._preComputing) this._begin();

        var bWidth = this.get('border-box-width');
        if (bWidth <= 0) return 0;

        var bLeft = this.get('border-left'),
         bRight = this.get('border-right');

        var pLeft = this.get('padding-left'),
         pRight = this.get('padding-right');

        if (!this._preComputing) this._end();

        return bWidth - bLeft - bRight - pLeft - pRight;
      },

      'padding-box-height': function(element) {
        var height = this.get('height'),
         pTop = this.get('padding-top'),
         pBottom = this.get('padding-bottom');

        return height + pTop + pBottom;
      },

      'padding-box-width': function(element) {
        var width = this.get('width'),
         pLeft = this.get('padding-left'),
         pRight = this.get('padding-right');

        return width + pLeft + pRight;
      },

      'border-box-height': function(element) {
        return element.offsetHeight;
      },

      'border-box-width': function(element) {
        return element.offsetWidth;
      },

      'margin-box-height': function(element) {
        var bHeight = this.get('border-box-height'),
         mTop = this.get('margin-top'),
         mBottom = this.get('margin-bottom');

        if (bHeight <= 0) return 0;

        return bHeight + mTop + mBottom;
      },

      'margin-box-width': function(element) {
        var bWidth = this.get('border-box-width'),
         mLeft = this.get('margin-left'),
         mRight = this.get('margin-right');

        if (bWidth <= 0) return 0;

        return bWidth + mLeft + mRight;
      },

      'top': function(element) {
        var offset = element.positionedOffset();
        return offset.top;
      },

      'bottom': function(element) {
        var offset = element.positionedOffset(),
         parent = element.getOffsetParent(),
         pHeight = parent.measure('height');

        var mHeight = this.get('border-box-height');

        return pHeight - mHeight - offset.top;
      },

      'left': function(element) {
        var offset = element.positionedOffset();
        return offset.left;
      },

      'right': function(element) {
        var offset = element.positionedOffset(),
         parent = element.getOffsetParent(),
         pWidth = parent.measure('width');

        var mWidth = this.get('border-box-width');

        return pWidth - mWidth - offset.left;
      },

      'padding-top': function(element) {
        return getPixelValue(element, 'paddingTop');
      },

      'padding-bottom': function(element) {
        return getPixelValue(element, 'paddingBottom');
      },

      'padding-left': function(element) {
        return getPixelValue(element, 'paddingLeft');
      },

      'padding-right': function(element) {
        return getPixelValue(element, 'paddingRight');
      },

      'border-top': function(element) {
        return Object.isNumber(element.clientTop) ? element.clientTop :
         getPixelValue(element, 'borderTopWidth');
      },

      'border-bottom': function(element) {
        return Object.isNumber(element.clientBottom) ? element.clientBottom :
         getPixelValue(element, 'borderBottomWidth');
      },

      'border-left': function(element) {
        return Object.isNumber(element.clientLeft) ? element.clientLeft :
         getPixelValue(element, 'borderLeftWidth');
      },

      'border-right': function(element) {
        return Object.isNumber(element.clientRight) ? element.clientRight :
         getPixelValue(element, 'borderRightWidth');
      },

      'margin-top': function(element) {
        return getPixelValue(element, 'marginTop');
      },

      'margin-bottom': function(element) {
        return getPixelValue(element, 'marginBottom');
      },

      'margin-left': function(element) {
        return getPixelValue(element, 'marginLeft');
      },

      'margin-right': function(element) {
        return getPixelValue(element, 'marginRight');
      }
    }
  });

  if ('getBoundingClientRect' in document.documentElement) {
    Object.extend(Element.Layout.COMPUTATIONS, {
      'right': function(element) {
        var parent = hasLayout(element.getOffsetParent());
        var rect = element.getBoundingClientRect(),
         pRect = parent.getBoundingClientRect();

        return (pRect.right - rect.right).round();
      },

      'bottom': function(element) {
        var parent = hasLayout(element.getOffsetParent());
        var rect = element.getBoundingClientRect(),
         pRect = parent.getBoundingClientRect();

        return (pRect.bottom - rect.bottom).round();
      }
    });
  }

  Element.Offset = Class.create({
    initialize: function(left, top) {
      this.left = left.round();
      this.top  = top.round();

      this[0] = this.left;
      this[1] = this.top;
    },

    relativeTo: function(offset) {
      return new Element.Offset(
        this.left - offset.left,
        this.top  - offset.top
      );
    },

    inspect: function() {
      return "#<Element.Offset left: #{left} top: #{top}>".interpolate(this);
    },

    toString: function() {
      return "[#{left}, #{top}]".interpolate(this);
    },

    toArray: function() {
      return [this.left, this.top];
    }
  });

  function getLayout(element, preCompute) {
    return new Element.Layout(element, preCompute);
  }

  function measure(element, property) {
    return $(element).getLayout().get(property);
  }

  function getDimensions(element) {
    var layout = $(element).getLayout();
    return {
      width:  layout.get('width'),
      height: layout.get('height')
    };
  }

  function getOffsetParent(element) {
    if (isDetached(element)) return $(document.body);

    var isInline = (Element.getStyle(element, 'display') === 'inline');
    if (!isInline && 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.nodeName === 'HTML') ? $(document.body) : $(element);
      }
    }

    return $(document.body);
  }


  function cumulativeOffset(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return new Element.Offset(valueL, valueT);
  }

  function positionedOffset(element) {
    var layout = element.getLayout();

    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if (isBody(element)) break;
        var p = Element.getStyle(element, 'position');
        if (p !== 'static') break;
      }
    } while (element);

    valueL -= layout.get('margin-top');
    valueT -= layout.get('margin-left');

    return new Element.Offset(valueL, valueT);
  }

  function cumulativeScrollOffset(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return new Element.Offset(valueL, valueT);
  }

  function viewportOffset(forElement) {
    var valueT = 0, valueL = 0, docBody = document.body;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == docBody &&
        Element.getStyle(element, 'position') == 'absolute') break;
    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (element != docBody) {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);
    return new Element.Offset(valueL, valueT);
  }

  function absolutize(element) {
    element = $(element);

    if (Element.getStyle(element, 'position') === 'absolute') {
      return element;
    }

    var offsetParent = getOffsetParent(element);
    var eOffset = element.viewportOffset(), pOffset =
     offsetParent.viewportOffset();

    var offset = eOffset.relativeTo(pOffset);
    var layout = element.get('layout');

    element.store('prototype_absolutize_original_styles', {
      left:   element.getStyle('left'),
      top:    element.getStyle('top'),
      width:  element.getStyle('width'),
      height: element.getStyle('height')
    });

    element.setStyle({
      position: 'absolute',
      top:    offset.top + 'px',
      left:   offset.left + 'px',
      width:  layout.get('width') + 'px',
      height: layout.get('height') + 'px'
    });

    return element;
  }

  function relativize(element) {
    element = $(element);
    if (Element.getStyle(element, 'position') === 'relative') {
      return element;
    }

    var originalStyles =
     element.retrieve('prototype_absolutize_original_styles');

    if (originalStyles) element.setStyle(originalStyles);
    return element;
  }

  Element.addMethods({
    getLayout:              getLayout,
    measure:                measure,
    getDimensions:          getDimensions,
    getOffsetParent:        getOffsetParent,
    cumulativeOffset:       cumulativeOffset,
    positionedOffset:       positionedOffset,
    cumulativeScrollOffset: cumulativeScrollOffset,
    viewportOffset:         viewportOffset,
    absolutize:             absolutize,
    relativize:             relativize
  });

  function isBody(element) {
    return element.nodeName.toUpperCase() === 'BODY';
  }

  function isDetached(element) {
    return element !== document.body &&
     !Element.descendantOf(element, document.body);
  }

  if ('getBoundingClientRect' in document.documentElement) {
    Element.addMethods({
      viewportOffset: function(element) {
        element = $(element);
        if (isDetached(element)) return new Element.Offset(0, 0);

        var rect  = element.getBoundingClientRect(),
         docEl = document.documentElement;
        return new Element.Offset(rect.left - docEl.clientLeft,
         rect.top - docEl.clientTop);
      },

      cumulativeOffset: function(element) {
        element = $(element);
        if (isDetached(element)) return new Element.Offset(0, 0);

        var docOffset = $(document.documentElement).viewportOffset(),
          elementOffset = element.viewportOffset();
        return elementOffset.relativeTo(docOffset);
      },

      positionedOffset: function(element) {
        element = $(element);
        var parent = element.getOffsetParent();
        if (isDetached(element)) return new Element.Offset(0, 0);

        if (element.offsetParent &&
         element.offsetParent.nodeName.toUpperCase() === 'HTML') {
          return positionedOffset(element);
        }

        var eOffset = element.viewportOffset(),
         pOffset = isBody(parent) ? viewportOffset(parent) :
          parent.viewportOffset();
        var retOffset = eOffset.relativeTo(pOffset);

        var layout = element.getLayout();
        var top  = retOffset.top  - layout.get('margin-top');
        var left = retOffset.left - layout.get('margin-left');

        return new Element.Offset(left, top);
      }
    });
  }
})();
window.$$ = function() {
  var expression = $A(arguments).join(', ');
  return Prototype.Selector.select(expression, document);
};







if (!Prototype.Selector.find) {
  Prototype.Selector.find = function(elements, expression, index) {
    if (Object.isUndefined(index)) index = 0;
    var match = Prototype.Selector.match, length = elements.length, matchIndex = 0, i;

    for (i = 0; i < length; i++) {
      if (match(elements[i], expression) && index == matchIndex++) {
        return Element.extend(elements[i]);
      }
    }
  }
}


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;
    while (element) {
      if (Prototype.Selector.match(element, expression)) {
        return Element.extend(element);
      }
      element = element.parentNode;
    }
  }

  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,
      translations = { mouseenter: "mouseover", mouseleave: "mouseout" };

  if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) {
    _getDOMEventName = function(eventName) {
      return (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 (!registry) return element;

    if (!eventName) {
      registry.each( function(pair) {
        var eventName = pair.key;
        stopObserving(element, eventName);
      });
      return element;
    }

    var responders = registry.get(eventName);
    if (!responders) return element;

    if (!handler) {
      responders.each(function(r) {
        stopObserving(element, eventName, r.handler);
      });
      return element;
    }

    var responder = responders.find( function(r) { return r.handler === handler; });
    if (!responder) return element;

    if (eventName.include(':')) {
      if (element.removeEventListener)
        element.removeEventListener("dataavailable", responder, false);
      else {
        element.detachEvent("ondataavailable", responder);
        element.detachEvent("onfilterchange",  responder);
      }
    } else {
      var actualEventName = _getDOMEventName(eventName);
      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);
  }

  Event.Handler = Class.create({
    initialize: function(element, eventName, selector, callback) {
      this.element   = $(element);
      this.eventName = eventName;
      this.selector  = selector;
      this.callback  = callback;
      this.handler   = this.handleEvent.bind(this);
    },

    start: function() {
      Event.observe(this.element, this.eventName, this.handler);
      return this;
    },

    stop: function() {
      Event.stopObserving(this.element, this.eventName, this.handler);
      return this;
    },

    handleEvent: function(event) {
      var element = this.selector ? event.findElement(this.selector) :
       this.element;
      if (element) this.callback.call(element, event, element);
    }
  });

  function on(element, eventName, selector, callback) {
    element = $(element);
    if (Object.isFunction(selector) && Object.isUndefined(callback)) {
      callback = selector, selector = null;
    }

    return new Event.Handler(element, eventName, selector, callback).start();
  }

  Object.extend(Event, Event.Methods);

  Object.extend(Event, {
    fire:          fire,
    observe:       observe,
    stopObserving: stopObserving,
    on:            on
  });

  Element.addMethods({
    fire:          fire,

    observe:       observe,

    stopObserving: stopObserving,

    on:            on
  });

  Object.extend(document, {
    fire:          fire.methodize(),

    observe:       observe.methodize(),

    stopObserving: stopObserving.methodize(),

    on:            on.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);

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

(function() {
  window.Selector = Class.create({
    initialize: function(expression) {
      this.expression = expression.strip();
    },

    findElements: function(rootElement) {
      return Prototype.Selector.select(this.expression, rootElement);
    },

    match: function(element) {
      return Prototype.Selector.match(element, this.expression);
    },

    toString: function() {
      return this.expression;
    },

    inspect: function() {
      return "#<Selector: " + this.expression + ">";
    }
  });

  Object.extend(Selector, {
    matchElements: function(elements, expression) {
      var match = Prototype.Selector.match,
          results = [];

      for (var i = 0, length = elements.length; i < length; i++) {
        var element = elements[i];
        if (match(element, expression)) {
          results.push(Element.extend(element));
        }
      }
      return results;
    },

    findElement: function(elements, expression, index) {
      index = index || 0;
      var matchIndex = 0, element;
      for (var i = 0, length = elements.length; i < length; i++) {
        element = elements[i];
        if (Prototype.Selector.match(element, expression) && index === matchIndex++) {
          return Element.extend(element);
        }
      }
    },

    findChildElements: function(element, expressions) {
      var selector = expressions.toArray().join(', ');
      return Prototype.Selector.select(selector, element || document);
    }
  });
})();





//--------------------------------------------------------------------------------------------------
// script.aculo.us scriptaculous.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)
//
// 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.
//
// For details, see the script.aculo.us web site: http://script.aculo.us/
//------------------------------------------------
var Scriptaculous = {

	Version:'1.8.3',

	require: function(libraryName) {
		try{
			// inserting via DOM fails in Safari 2.0, so brute force approach
			document.write('<script type="text/javascript" src="' + libraryName + '"><\/script>');
		} catch (e) {
			// for xhtml+xml served content, fall back to DOM methods
			var script = document.createElement('script');
			script.type = 'text/javascript';
			script.src = libraryName;
			document.getElementsByTagName('head')[0].appendChild(script);
		}
	},

	REQUIRED_PROTOTYPE:'1.6.0.3',

	load: function() {
		function convertVersionString(versionString) {
			var v = versionString.replace(/_.*|\./g, '');
			v = parseInt(v + '0'. times(4 - v.length));
			return versionString.indexOf('_') > -1 ? v - 1 : v;
		}

		if ((typeof Prototype=='undefined')
			|| (typeof Element == 'undefined')
			|| (typeof Element.Methods=='undefined')
			|| (convertVersionString(Prototype.Version) < convertVersionString(Scriptaculous.REQUIRED_PROTOTYPE))) {
			throw("script.aculo.us requires the Prototype JavaScript framework >= " + Scriptaculous.REQUIRED_PROTOTYPE);
		}

		var js = /prototype\.js(\?.*)?$/;
		$$('head script[src]').findAll(function(s) {
			return s.src.match(js);
		}).each(function(s) {
			var path = s.src.replace(js, ''),
			includes = s.src.match(/\?.*load=([a-z,]*)/);
			(includes ? includes[1] : 'builder,effects,dragdrop,controls,slider,sound').split(',').each(
			 function(include) { Scriptaculous.require(path+include + '.js') });
		});
	}
};

Scriptaculous.load();





//--------------------------------------------------------------------------------------------------
/*
 * Cross-Browser XMLHttpRequest v1.2
 * 
 * Emulate Gecko 'XMLHttpRequest()' functionality in IE and Opera. Opera requires
 * the Sun Java Runtime Environment <http://www.java.com/>.
 * 
 * by Andrew Gregory
 * http://www.scss.com.au/family/andrew/webdesign/xmlhttprequest/
 * 
 * This work is licensed under the Creative Commons Attribution License. To view a
 * copy of this license, visit http://creativecommons.org/licenses/by-sa/2.5/ or
 * send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California
 * 94305, USA.
 * 
 * Attribution: Leave my name and web address in this script intact.
 * 
 * Not Supported in Opera
 * 
 * user/password authentication
 * responseXML data member
 * 
 * Not Fully Supported in Opera
 * 
 * async requests
 * abort()
 * getAllResponseHeaders(), getAllResponseHeader(header)
 */
//------------------------------------------------
// TODO 2010/06/29 - Syogo Miyagawa.
// これは、古い IE で XMLHttpRequest を生成するためのコード
// IE 8.0 以降では、XMLHttpRequest から直接生成できる。
// IE support
if (window.ActiveXObject && !window.XMLHttpRequest) {
	window.XMLHttpRequest = function () {
		var msxmls = new Array(
			'Msxml2.XMLHTTP.5.0',
			'Msxml2.XMLHTTP.4.0',
			'Msxml2.XMLHTTP.3.0',
			'Msxml2.XMLHTTP',
			'Microsoft.XMLHTTP'
		);
		for (var i = 0; i < msxmls.length; i++) {
			try {
				return new ActiveXObject(msxmls[i]);
			} catch (e) {}
		}
		return null;
	};
}

// TODO 2010/06/29 - Syogo Miyagawa.
// これは、古い Opera で XMLHttpRequest をサポートするためのコード
// Opera 10 以降では、全く無意味。
// Opera support
if (window.opera && !window.XMLHttpRequest) {
	window.XMLHttpRequest = function () {
		// 0=uninitialized,1=loading,2=loaded,3=interactive,4=complete
		this.readyState = 0;
		// HTTP status codes
		this.status = 0;
		this.statusText = '';
		this._headers = [];
		this._aborted = false;
		this._async = true;
		this._defaultCharset = 'ISO-8859-1';
		this._getCharset = function () {
			var charset = _defaultCharset;
			var contentType = this.getResponseHeader('Content-type').toUpperCase();
			val = contentType.indexOf('CHARSET=');
			if (val != -1) {
				charset = contentType.substring(val);
			}
			val = charset.indexOf(';');
			if (val != -1) {
				charset = charset.substring(0, val);
			}
			val = charset.indexOf(',');
			if (val != -1) {
				charset = charset.substring(0, val);
			}
			return charset;
		};
		this.abort = function () {
			this._aborted = true;
		};
		this.getAllResponseHeaders = function () {
			return this.getAllResponseHeader('*');
		};
		this.getAllResponseHeader = function (header) {
			var ret = '';
			for (var i = 0; i < this._headers.length; i++) {
				if (header == '*' || this._headers[i].h == header) {
					ret += this._headers[i].h + ': ' + this._headers[i].v + '\n';
				}
			}
			return ret;
		};
		this.getResponseHeader = function (header) {
			var ret = getAllResponseHeader(header);
			var i = ret.indexOf('\n');
			if (i != -1) {
				ret = ret.substring(0, i);
			}
			return ret;
		};
		this.setRequestHeader = function (header, value) {
			this._headers[this._headers.length] = {h:header, v:value};
		};
		this.open = function (method, url, async, user, password) {
			this.method = method;
			this.url = url;
			this._async = true;
			this._aborted = false;
			this._headers = [];
			if (arguments.length >= 3) {
				this._async = async;
			}
			if (arguments.length > 3) {
				opera.postError('XMLHttpRequest.open() - user/password not supported');
			}
			this.readyState = 1;
			if (this.onreadystatechange) {
				this.onreadystatechange();
			}
		};
		this.send = function (data) {
			if (!navigator.javaEnabled()) {
				alert("XMLHttpRequest.send() - Java must be installed and enabled.");
				return;
			}
			if (this._async) {
				setTimeout(this._sendasync, 0, this, data);
				// this is not really asynchronous and won't execute until the current
				// execution context ends
			} else {
				this._sendsync(data);
			}
		}
		this._sendasync = function (req, data) {
			if (!req._aborted) {
				req._sendsync(data);
			}
		};
		this._sendsync = function (data) {
			this.readyState = 2;
			if (this.onreadystatechange) {
				this.onreadystatechange();
			}
			// open connection
			var url = new java.net.URL(new java.net.URL(window.location.href), this.url);
			var conn = url.openConnection();
			for (var i = 0; i < this._headers.length; i++) {
				conn.setRequestProperty(this._headers[i].h, this._headers[i].v);
			}
			this._headers = [];
			if (this.method == 'POST') {
				// POST data
				conn.setDoOutput(true);
				var wr = new java.io.OutputStreamWriter(conn.getOutputStream(), this._getCharset());
				wr.write(data);
				wr.flush();
				wr.close();
			}
			// read response headers
			// NOTE: the getHeaderField() methods always return nulls for me :(
			var gotContentEncoding = false;
			var gotContentLength = false;
			var gotContentType = false;
			var gotDate = false;
			var gotExpiration = false;
			var gotLastModified = false;
			for (var i = 0; ; i++) {
				var hdrName = conn.getHeaderFieldKey(i);
				var hdrValue = conn.getHeaderField(i);
				if (hdrName == null && hdrValue == null) {
					break;
				}
				if (hdrName != null) {
					this._headers[this._headers.length] = {h:hdrName, v:hdrValue};
					switch (hdrName.toLowerCase()) {
					case 'content-encoding': gotContentEncoding = true; break;
					case 'content-length': gotContentLength = true; break;
					case 'content-type': gotContentType = true; break;
					case 'date': gotDate = true; break;
					case 'expires': gotExpiration = true; break;
					case 'last-modified': gotLastModified = true; break;
					}
				}
			}
			// try to fill in any missing header information
			var val;
			val = conn.getContentEncoding();
			if (val != null && !gotContentEncoding) this._headers[this._headers.length] = {h:'Content-encoding', v:val};
			val = conn.getContentLength();
			if (val != -1 && !gotContentLength) this._headers[this._headers.length] = {h:'Content-length', v:val};
			val = conn.getContentType();
			if (val != null && !gotContentType) this._headers[this._headers.length] = {h:'Content-type', v:val};
			val = conn.getDate();
			if (val != 0 && !gotDate) this._headers[this._headers.length] = {h:'Date', v:(new Date(val)).toUTCString()};
			val = conn.getExpiration();
			if (val != 0 && !gotExpiration) this._headers[this._headers.length] = {h:'Expires', v:(new Date(val)).toUTCString()};
			val = conn.getLastModified();
			if (val != 0 && !gotLastModified) this._headers[this._headers.length] = {h:'Last-modified', v:(new Date(val)).toUTCString()};
			// read response data
			var reqdata = '';
			var stream = conn.getInputStream();
			if (stream) {
				var reader = new java.io.BufferedReader(new java.io.InputStreamReader(stream, this._getCharset()));
				var line;
				while ((line = reader.readLine()) != null) {
					if (this.readyState == 2) {
						this.readyState = 3;
						if (this.onreadystatechange) {
							this.onreadystatechange();
						}
					}
					reqdata += line + '\n';
				}
				reader.close();
				this.status = 200;
				this.statusText = 'OK';
				this.responseText = reqdata;
				this.readyState = 4;
				if (this.onreadystatechange) {
					this.onreadystatechange();
				}
				if (this.onload) {
					this.onload();
				}
			} else {
				// error
				this.status = 404;
				this.statusText = 'Not Found';
				this.responseText = '';
				this.readyState = 4;
				if (this.onreadystatechange) {
					this.onreadystatechange();
				}
				if (this.onerror) {
					this.onerror();
				}
			}
		};
	};
}

// TODO 2010/06/29 - Syogo Miyagawa.
// x = new ActiveXObject("???") の１コーディングだけで全てに対応するようにしてるらしいが
// 多分これ使い道無い、というか使ってはいけない・・・
// ActiveXObject emulation
if (!window.ActiveXObject && window.XMLHttpRequest) {
	window.ActiveXObject = function (type) {
		switch (type.toLowerCase()) {
		case 'microsoft.xmlhttp':
		case 'msxml2.xmlhttp':
		case 'msxml2.xmlhttp.3.0':
		case 'msxml2.xmlhttp.4.0':
		case 'msxml2.xmlhttp.5.0':
			return new XMLHttpRequest();
			break;
		}
		return null;
	};
}





//--------------------------------------------------------------------------------------------------
// 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);





//--------------------------------------------------------------------------------------------------
// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//           (c) 2005 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz)
// 
// See scriptaculous.js for full license.
//------------------------------------------------
var Droppables = {

	drops:[],

	remove: function(element) {
		this.drops = this.drops.reject(function(d) { return d.element == $(element) });
	},

	add: function(element) {
		element = $(element);
		var options = Object.extend({
			greedy:true,
			hoverclass:null,
			tree:false
		}, arguments[1] || {});

		// cache containers
		if (options.containment) {
			options._containers = [];
			var containment = options.containment;
			if ((typeof containment == 'object') && (containment.constructor == Array)) {
				containment.each(function(c) { options._containers.push($(c)) });
			} else {
				options._containers.push($(containment));
			}
		}

		if (options.accept) options.accept = [options.accept].flatten();

		// fix IE
		Element.makePositioned(element);
		options.element = element;

		this.drops.push(options);
	},

	findDeepestChild: function(drops) {
		deepest = drops[0];

		for (i = 1; i < drops.length; ++i) {
			if (Element.isParent(drops[i].element, deepest.element)) {
				deepest = drops[i];
			}
		}

		return deepest;
	},

	isContained: function(element, drop) {
		var containmentNode;
		if (drop.tree) {
			containmentNode = element.treeNode; 
		} else {
			containmentNode = element.parentNode;
		}
		return drop._containers.detect(function(c) { return containmentNode == c });
	},

	isAffected: function(point, element, drop) {
		return (
			(drop.element != element)
			&& ((!drop._containers) || this.isContained(element, drop))
			&& ((!drop.accept) || (Element.classNames(element).detect(function(v) { return drop.accept.include(v) })))
			&& Position.within(drop.element, point[0], point[1])
		);
	},

	deactivate: function(drop) {
		if (drop.hoverclass) {
			Element.removeClassName(drop.element, drop.hoverclass);
		}
		this.last_active = null;
	},

	activate: function(drop) {
		if (drop.hoverclass) {
			Element.addClassName(drop.element, drop.hoverclass);
		}
		this.last_active = drop;
	},

	show: function(point, element) {
		if (!this.drops.length) return;
		var affected = [];

		if (this.last_active) this.deactivate(this.last_active);
		this.drops.each(function(drop) {
			if (Droppables.isAffected(point, element, drop)) {
				affected.push(drop);
			}
		});

		if (affected.length>0) {
			drop = Droppables.findDeepestChild(affected);
			Position.within(drop.element, point[0], point[1]);
			if (drop.onHover) {
				drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));
			}

			Droppables.activate(drop);
		}
	},

	fire: function(event, element) {
		if (!this.last_active) return;
		Position.prepare();

		if (this.isAffected([Event.pointerX(event), Event.pointerY(event)], element, this.last_active)) {
			if (this.last_active.onDrop) {
				this.last_active.onDrop(element, this.last_active.element, event);
			}
		}
	},

	reset: function() {
		if (this.last_active) {
			this.deactivate(this.last_active);
		}
	}
};

var Draggables = {

	drags:[],
	observers:[],

	register: function(draggable) {
		if (this.drags.length == 0) {
			this.eventMouseUp = this.endDrag.bindAsEventListener(this);
			this.eventMouseMove = this.updateDrag.bindAsEventListener(this);
			this.eventKeypress = this.keyPress.bindAsEventListener(this);

			Event.observe(document, "mouseup", this.eventMouseUp);
			Event.observe(document, "mousemove", this.eventMouseMove);
			Event.observe(document, "keypress", this.eventKeypress);
		}
		this.drags.push(draggable);
	},

	unregister: function(draggable) {
		this.drags = this.drags.reject(function(d) { return d == draggable });
		if (this.drags.length == 0) {
			Event.stopObserving(document, "mouseup", this.eventMouseUp);
			Event.stopObserving(document, "mousemove", this.eventMouseMove);
			Event.stopObserving(document, "keypress", this.eventKeypress);
		}
	},

	activate: function(draggable) {
		// allows keypress events if window isn't currently focused, fails for Safari
		window.focus();
		this.activeDraggable = draggable;
	},

	deactivate: function() {
		this.activeDraggable = null;
	},

	updateDrag: function(event) {
		if (!this.activeDraggable) return;
		var pointer = [Event.pointerX(event), Event.pointerY(event)];
		// Mozilla-based browsers fire successive mousemove events with
		// the same coordinates, prevent needless redrawing (moz bug?)
		if (this._lastPointer && (this._lastPointer.inspect() == pointer.inspect())) return;
		this._lastPointer = pointer;
		this.activeDraggable.updateDrag(event, pointer);
	},

	endDrag: function(event) {
		if (!this.activeDraggable) return;
		this._lastPointer = null;
		this.activeDraggable.endDrag(event);
		this.activeDraggable = null;
	},

	keyPress: function(event) {
		if (this.activeDraggable) {
			this.activeDraggable.keyPress(event);
		}
	},

	addObserver: function(observer) {
		this.observers.push(observer);
		this._cacheObserverCallbacks();
	},

	removeObserver: function(element) {
		// element instead of observer fixes mem leaks
		this.observers = this.observers.reject(function(o) { return o.element == element });
		this._cacheObserverCallbacks();
	},

	notify: function(eventName, draggable, event) {
		// "onStart", "onEnd", "onDrag"
		if (this[eventName + "Count"] > 0) {
			this.observers.each(function(o) {
				if (o[eventName]) o[eventName](eventName, draggable, event);
			});
		}
	},

	_cacheObserverCallbacks: function() {
		["onStart", "onEnd", "onDrag"].each(function(eventName) {
			Draggables[eventName + "Count"] = Draggables.observers.select(
				function(o) { return o[eventName]; }
			).length;
		});
	}
};

//------------------------------------------------
var Draggable = Class.create();

Draggable.prototype = {

	initialize: function(element) {

		this.offset = Array();

		var options = Object.extend({
			handle:false,
			starteffect: function(element) {
				element._opacity = Element.getOpacity(element);
				new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7});
			},
			reverteffect: function(element, top_offset, left_offset) {
				var dur = Math.sqrt(Math.abs(top_offset ^ 2) + Math.abs(left_offset ^ 2)) * 0.02;
				element._revert = new Effect.Move(element, {x:-left_offset, y:-top_offset, duration:dur});
			},
			endeffect: function(element) {
				var toOpacity = typeof element._opacity == 'number' ? element._opacity :1.0;
				new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity});
			},
			zindex:1000,
			revert:false,
			scroll:false,
			scrollSensitivity:20,
			scrollSpeed:15,
			// false, or xy or [x,y] or function(x,y){ return [x,y] }
			snap:false
		}, arguments[1] || {});

		this.element = $(element);

		if (options.handle && (typeof options.handle == 'string')) {
			var h = Element.childrenWithClassName(this.element, options.handle, true);
			if (h.length > 0) this.handle = h[0];
		}

		if (!this.handle) this.handle = $(options.handle);
		if (!this.handle) this.handle = this.element;

		if (options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) {
			options.scroll = $(options.scroll);
		}

		// fix IE
		Element.makePositioned(this.element);

		this.delta = this.currentDelta();
		this.options = options;
		this.dragging = false;

		this.eventMouseDown = this.initDrag.bindAsEventListener(this);
		Event.observe(this.handle, "mousedown", this.eventMouseDown);

		Draggables.register(this);
	},

	destroy: function() {
		Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);
		Draggables.unregister(this);
	},

	currentDelta: function() {
		return([
			parseInt(Element.getStyle(this.element,'left') || '0'),
			parseInt(Element.getStyle(this.element,'top') || '0')
		]);
	},

	initDrag: function(event) {
		if (Event.isLeftClick(event)) {
			// abort on form elements, fixes a Firefox issue
			var src = Event.element(event);
			if (src.tagName
				&& (src.tagName == 'INPUT'
					|| src.tagName == 'SELECT'
					|| src.tagName == 'OPTION'
					|| src.tagName == 'BUTTON'
					|| src.tagName == 'TEXTAREA')) return;

			if (this.element._revert) {
				this.element._revert.cancel();
				this.element._revert = null;
			}

			var pointer = [Event.pointerX(event), Event.pointerY(event)];
			var pos = Position.cumulativeOffset(this.element);
//			this.offset = [0,1].map(function(i) { return (pointer[i] - pos[i]) });

			this.offset[0] = pointer[0] - pos[0];
			this.offset[1] = pointer[1] - pos[1];
			
			Draggables.activate(this);
			Event.stop(event);
		}
	},

	startDrag: function(event) {
		this.dragging = true;

		if (this.options.zindex) {
			this.originalZ = parseInt(Element.getStyle(this.element, 'z-index') || 0);
			this.element.style.zIndex = this.options.zindex;
		}

		if (this.options.ghosting) {
			this._clone = this.element.cloneNode(true);
			Position.absolutize(this.element);
			this.element.parentNode.insertBefore(this._clone, this.element);
		}

		if (this.options.scroll) {
			if (this.options.scroll == window) {
				var where = this._getWindowScroll(this.options.scroll);
				this.originalScrollLeft = where.left;
				this.originalScrollTop = where.top;
			} else {
				this.originalScrollLeft = this.options.scroll.scrollLeft;
				this.originalScrollTop = this.options.scroll.scrollTop;
			}
		}

		Draggables.notify('onStart', this, event);
		if (this.options.starteffect) this.options.starteffect(this.element);
	},

	updateDrag: function(event, pointer) {
		if (!this.dragging) this.startDrag(event);

		Position.prepare();
		Droppables.show(pointer, this.element);
		Draggables.notify('onDrag', this, event);
		this.draw(pointer);

		if (this.options.change) this.options.change(this);
		
		if (this.options.scroll) {
			this.stopScrolling();
			var p;
			if (this.options.scroll == window) {
				with (this._getWindowScroll(this.options.scroll)) { p = [left, top, left+width, top+height]; }
			} else {
				p = Position.page(this.options.scroll);
				p[0] += this.options.scroll.scrollLeft;
				p[1] += this.options.scroll.scrollTop;
				p.push(p[0]+this.options.scroll.offsetWidth);
				p.push(p[1]+this.options.scroll.offsetHeight);
			}
			var speed = [0,0];
			if (pointer[0] < (p[0] + this.options.scrollSensitivity)) speed[0] = pointer[0] - (p[0] + this.options.scrollSensitivity);
			if (pointer[1] < (p[1] + this.options.scrollSensitivity)) speed[1] = pointer[1] - (p[1] + this.options.scrollSensitivity);
			if (pointer[0] > (p[2] - this.options.scrollSensitivity)) speed[0] = pointer[0] - (p[2] - this.options.scrollSensitivity);
			if (pointer[1] > (p[3] - this.options.scrollSensitivity)) speed[1] = pointer[1] - (p[3] - this.options.scrollSensitivity);
			this.startScrolling(speed);
		}

		// fix AppleWebKit rendering
		if (navigator.appVersion.indexOf('AppleWebKit') > 0) window.scrollBy(0, 0);

		Event.stop(event);
	},

	finishDrag: function(event, success) {
		this.dragging = false;

		if (this.options.ghosting) {
			Position.relativize(this.element);
			Element.remove(this._clone);
			this._clone = null;
		}

		if (success) Droppables.fire(event, this.element);
		Draggables.notify('onEnd', this, event);

		var revert = this.options.revert;
		if (revert && typeof revert == 'function') revert = revert(this.element);
		
		var d = this.currentDelta();
		if (revert && this.options.reverteffect) {
			this.options.reverteffect(this.element, d[1] - this.delta[1], d[0] - this.delta[0]);
		} else {
			this.delta = d;
		}

		// if (this.options.zindex)
		this.element.style.zIndex = this.originalZ;

		if (this.options.endeffect) {
			this.options.endeffect(this.element);
		}

		Draggables.deactivate(this);
		Droppables.reset();
	},

	keyPress: function(event) {
		if (event.keyCode != Event.KEY_ESC) return;
		this.finishDrag(event, false);
		Event.stop(event);
	},

	endDrag: function(event) {
		if (!this.dragging) return;
		this.stopScrolling();
		this.finishDrag(event, true);
		Event.stop(event);
	},

	draw: function(point) {
		var pos = Position.cumulativeOffset(this.element);
		var d = this.currentDelta();
		pos[0] -= d[0];
		pos[1] -= d[1];

		if (this.options.scroll && (this.options.scroll != window)) {
			pos[0] -= this.options.scroll.scrollLeft - this.originalScrollLeft;
			pos[1] -= this.options.scroll.scrollTop - this.originalScrollTop;
		}
		var p = [0,1].map(function(i) {
			return (point[i] - pos[i] - this.offset[i])
		}.bind(this));
		p[0] = point[0] - pos[0] - this.offset[0];
		p[1] = point[1] - pos[1] - this.offset[1];

		if (this.options.snap) {
			if (typeof this.options.snap == 'function') {
				p = this.options.snap(p[0], p[1], this);
			} else {
				if (this.options.snap instanceof Array) {
					p = p.map(function(v, i) { return Math.round(v / this.options.snap[i]) * this.options.snap[i] }.bind(this));
				} else {
					p = p.map(function(v) { return Math.round(v / this.options.snap) * this.options.snap }.bind(this));
				}
			}
		}

		var style = this.element.style;
		if ((!this.options.constraint) || (this.options.constraint == 'horizontal')) {
			style.left = p[0] + "px";
		}
		if ((!this.options.constraint) || (this.options.constraint == 'vertical')) {
			style.top = p[1] + "px";
		}
		if (style.visibility == "hidden") {
			// fix gecko rendering
			style.visibility = "";
		}
	},

	stopScrolling: function() {
		if (this.scrollInterval) {
			clearInterval(this.scrollInterval);
			this.scrollInterval = null;
			Draggables._lastScrollPointer = null;
		}
	},

	startScrolling: function(speed) {
		this.scrollSpeed = [speed[0] * this.options.scrollSpeed,speed[1] * this.options.scrollSpeed];
		this.lastScrolled = new Date();
		this.scrollInterval = setInterval(this.scroll.bind(this), 10);
	},

	scroll: function() {
		var current = new Date();
		var delta = current - this.lastScrolled;
		this.lastScrolled = current;
		if (this.options.scroll == window) {
			with (this._getWindowScroll(this.options.scroll)) {
				if (this.scrollSpeed[0] || this.scrollSpeed[1]) {
					var d = delta / 1000;
					this.options.scroll.scrollTo(left + d*this.scrollSpeed[0], top + d*this.scrollSpeed[1]);
				}
			}
		} else {
			this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;
			this.options.scroll.scrollTop += this.scrollSpeed[1] * delta / 1000;
		}

		Position.prepare();
		Droppables.show(Draggables._lastPointer, this.element);
		Draggables.notify('onDrag', this);
		Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer);
		Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;
		Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;
		if (Draggables._lastScrollPointer[0] < 0) {
			Draggables._lastScrollPointer[0] = 0;
		}
		if (Draggables._lastScrollPointer[1] < 0) {
			Draggables._lastScrollPointer[1] = 0;
		}
		this.draw(Draggables._lastScrollPointer);

		if (this.options.change) {
			this.options.change(this);
		}
	},

	_getWindowScroll:function(w) {
		var T, L, W, H;
		with (w.document) {
			if (w.document.documentElement && documentElement.scrollTop) {
				T = documentElement.scrollTop;
				L = documentElement.scrollLeft;
			} else if (w.document.body) {
				T = body.scrollTop;
				L = body.scrollLeft;
			}
			if (w.innerWidth) {
				W = w.innerWidth;
				H = w.innerHeight;
			} else if (w.document.documentElement && documentElement.clientWidth) {
				W = documentElement.clientWidth;
				H = documentElement.clientHeight;
			} else {
				W = body.offsetWidth;
				H = body.offsetHeight
			}
		}
		return { top:T, left:L, width:W, height:H };
	}
};

//------------------------------------------------
var SortableObserver = Class.create();

SortableObserver.prototype = {

	initialize: function(element, observer) {
		this.element = $(element);
		this.observer = observer;
		this.lastValue = Sortable.serialize(this.element);
	},

	onStart: function() {
		this.lastValue = Sortable.serialize(this.element);
	},

	onEnd: function() {
		Sortable.unmark();
		if (this.lastValue != Sortable.serialize(this.element)) {
			this.observer(this.element)
		}
	}
};

var Sortable = {

	sortables:{},

	_findRootElement: function(element) {
		while (element.tagName != "BODY") {
			if (element.id && Sortable.sortables[element.id]) return element;
			element = element.parentNode;
		}
	},

	options: function(element) {
		element = Sortable._findRootElement($(element));
		if (!element) return;
		return Sortable.sortables[element.id];
	},

	destroy: function(element){
		var s = Sortable.options(element);

		if (s) {
			Draggables.removeObserver(s.element);
			s.droppables.each(function(d){ Droppables.remove(d) });
			s.draggables.invoke('destroy');

			delete Sortable.sortables[s.element.id];
		}
	},

	create: function(element) {
		element = $(element);
		var options = Object.extend({ 
			element:element,
			// assumes li children, override with tag:'tagname'
			tag:'li',
			dropOnEmpty:false,
			tree:false,
			treeTag:'ul',
			// one of 'vertical', 'horizontal'
			overlap:'vertical',
			// one of 'vertical', 'horizontal', false
			constraint:'vertical',
			// also takes array of elements (or id's); or false
			containment:element,
			// or a CSS class
			handle:false,
			only:false,
			hoverclass:null,
			ghosting:false,
			scroll:false,
			scrollSensitivity:20,
			scrollSpeed:15,
			format:/^[^_]*_(.*)$/,
			onChange:Prototype.emptyFunction,
			onUpdate:Prototype.emptyFunction
		}, arguments[1] || {});

		// clear any old sortable with same element
		this.destroy(element);

		// build options for the draggables
		var options_for_draggable = {
			revert:true,
			scroll:options.scroll,
			scrollSpeed:options.scrollSpeed,
			scrollSensitivity:options.scrollSensitivity,
			ghosting:options.ghosting,
			constraint:options.constraint,
			handle:options.handle
		};

		if (options.starteffect) {
			options_for_draggable.starteffect = options.starteffect;
		}

		if (options.reverteffect) {
			options_for_draggable.reverteffect = options.reverteffect;
		}
		else {
			if (options.ghosting) {
				options_for_draggable.reverteffect = function(element) { element.style.top = 0; element.style.left = 0; };
			}
		}

		if (options.endeffect) {
			options_for_draggable.endeffect = options.endeffect;
		}

		if (options.zindex) {
			options_for_draggable.zindex = options.zindex;
		}

		// build options for the droppables	
		var options_for_droppable = {
			overlap:options.overlap,
			containment:options.containment,
			tree:options.tree,
			hoverclass:options.hoverclass,
			onHover:Sortable.onHover
			//greedy:!options.dropOnEmpty
		}

		var options_for_tree = {
			onHover:Sortable.onEmptyHover,
			overlap:options.overlap,
			containment:options.containment,
			hoverclass: options.hoverclass
		}

		// fix for gecko engine
		Element.cleanWhitespace(element); 

		options.draggables = [];
		options.droppables = [];

		// drop on empty handling
		if (options.dropOnEmpty || options.tree) {
			Droppables.add(element, options_for_tree);
			options.droppables.push(element);
		}

		(this.findElements(element, options) || []).each(function(e) {
			// handles are per-draggable
			var handle = options.handle ? Element.childrenWithClassName(e, options.handle)[0] : e;
			options.draggables.push(new Draggable(e, Object.extend(options_for_draggable, { handle:handle })));
			Droppables.add(e, options_for_droppable);
			if (options.tree) e.treeNode = element;
			options.droppables.push(e);
		});

		if (options.tree) {
			(Sortable.findTreeElements(element, options) || []).each(function(e) {
				Droppables.add(e, options_for_tree);
				e.treeNode = element;
				options.droppables.push(e);
			});
		}

		// keep reference
		this.sortables[element.id] = options;

		// for onupdate
		Draggables.addObserver(new SortableObserver(element, options.onUpdate));

	},

	// return all suitable-for-sortable elements in a guaranteed order
	findElements: function(element, options) {
		return Element.findChildren(element, options.only, options.tree ? true : false, options.tag);
	},

	findTreeElements: function(element, options) {
		return Element.findChildren(element, options.only, options.tree ? true : false, options.treeTag);
	},

	onHover: function(element, dropon, overlap) {
		if (Element.isParent(dropon, element)) return;

		if (overlap > .33 && overlap < .66 && Sortable.options(dropon).tree) {
			return;
		} else if (overlap > 0.5) {
			Sortable.mark(dropon, 'before');
			if (dropon.previousSibling != element) {
				var oldParentNode = element.parentNode;
				// fix gecko rendering
				element.style.visibility = "hidden";
				dropon.parentNode.insertBefore(element, dropon);
				if (dropon.parentNode != oldParentNode) {
					Sortable.options(oldParentNode).onChange(element);
				}
				Sortable.options(dropon.parentNode).onChange(element);
			}
		} else {
			Sortable.mark(dropon, 'after');
			var nextElement = dropon.nextSibling || null;
			if (nextElement != element) {
				var oldParentNode = element.parentNode;
				// fix gecko rendering
				element.style.visibility = "hidden";
				dropon.parentNode.insertBefore(element, nextElement);
				if (dropon.parentNode != oldParentNode) {
					Sortable.options(oldParentNode).onChange(element);
				}
				Sortable.options(dropon.parentNode).onChange(element);
			}
		}
	},

	onEmptyHover: function(element, dropon, overlap) {
		var oldParentNode = element.parentNode;
		var droponOptions = Sortable.options(dropon);

		if (!Element.isParent(dropon, element)) {
			var index;

			var children = Sortable.findElements(dropon, {tag:droponOptions.tag});
			var child = null;

			if (children) {
				var offset = Element.offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap);

				for (index = 0; index < children.length; index += 1) {
					if (offset - Element.offsetSize (children[index], droponOptions.overlap) >= 0) {
						offset -= Element.offsetSize (children[index], droponOptions.overlap);
					} else if (offset - (Element.offsetSize (children[index], droponOptions.overlap) / 2) >= 0) {
						child = index + 1 < children.length ? children[index + 1] : null;
						break;
					} else {
						child = children[index];
						break;
					}
				}
			}

			dropon.insertBefore(element, child);

			Sortable.options(oldParentNode).onChange(element);
			droponOptions.onChange(element);
		}
	},

	unmark: function() {
		if (Sortable._marker) Element.hide(Sortable._marker);
	},

	mark: function(dropon, position) {
		// mark on ghosting only
		var sortable = Sortable.options(dropon.parentNode);
		if (sortable && !sortable.ghosting) return; 

		if (!Sortable._marker) {
			Sortable._marker = $('dropmarker') || document.createElement('DIV');
			Element.hide(Sortable._marker);
			Element.addClassName(Sortable._marker, 'dropmarker');
			Sortable._marker.style.position = 'absolute';
			document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);
		}
		var offsets = Position.cumulativeOffset(dropon);
		Sortable._marker.style.left = offsets[0] + 'px';
		Sortable._marker.style.top = offsets[1] + 'px';

		if (position=='after') {
			if (sortable.overlap == 'horizontal') {
				Sortable._marker.style.left = (offsets[0] + dropon.clientWidth) + 'px';
			}
			else {
				Sortable._marker.style.top = (offsets[1] + dropon.clientHeight) + 'px';
			}
		}

		Element.show(Sortable._marker);
	},

	_tree: function(element, options, parent) {
		var children = Sortable.findElements(element, options) || [];

		for (var i = 0; i < children.length; ++i) {
			var match = children[i].id.match(options.format);

			if (!match) continue;

			var child = {
				id: encodeURIComponent(match ? match[1] : null),
				element:element,
				parent:parent,
				children:new Array,
				position:parent.children.length,
				container: Sortable._findChildrenElement(children[i], options.treeTag.toUpperCase())
			}

			// Get the element containing the children and recurse over it
			if (child.container) {
				this._tree(child.container, options, child);
			}

			parent.children.push (child);
		}

		return parent;
	},

	/*
	 * Finds the first element of the given tag type within a parent element.
	 * Used for finding the first LI[ST] within a L[IST]I[TEM].
	*/
	_findChildrenElement: function(element, containerTag) {
		if (element && element.hasChildNodes) {
			for (var i = 0; i < element.childNodes.length; ++i) {
				if (element.childNodes[i].tagName == containerTag) {
					return element.childNodes[i];
				}
			}
		}

		return null;
	},

	tree: function(element) {
		element = $(element);
		var sortableOptions = this.options(element);
		var options = Object.extend({
			tag:sortableOptions.tag,
			treeTag:sortableOptions.treeTag,
			only:sortableOptions.only,
			name:element.id,
			format:sortableOptions.format
		}, arguments[1] || {});

		var root = {
			id:null,
			parent:null,
			children:new Array,
			container:element,
			position:0
		}

		return Sortable._tree (element, options, root);
	},

	// Construct a [i] index for a particular node
	_constructIndex: function(node) {
		var index = '';
		do {
			if (node.id) index = "[" + node.position + "]" + index;
		} while ((node = node.parent) != null);
		return index;
	},

	sequence: function(element) {
		element = $(element);
		var options = Object.extend(this.options(element), arguments[1] || {});
		
		return $(this.findElements(element, options) || []).map(function(item) {
			return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
		});
	},

	setSequence: function(element, new_sequence) {
		element = $(element);
		var options = Object.extend(this.options(element), arguments[2] || {});

		var nodeMap = {};
		this.findElements(element, options).each(function(n) {
			if (n.id.match(options.format)) {
				nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode];
			}
			n.parentNode.removeChild(n);
		});

		new_sequence.each(function(ident) {
			var n = nodeMap[ident];
			if (n) {
				n[1].appendChild(n[0]);
				delete nodeMap[ident];
			}
		});
	},

	serialize: function(element) {
		element = $(element);
		var options = Object.extend(Sortable.options(element), arguments[1] || {});
		var name = encodeURIComponent((arguments[1] && arguments[1].name) ? arguments[1].name : element.id);

		if (options.tree) {
			return Sortable.tree(element, arguments[1]).children.map(function(item) {
				return [name + Sortable._constructIndex(item) + "=" + encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
			}).flatten().join('&');
		} else {
			return Sortable.sequence(element, arguments[1]).map(function(item) {
				return name + "[]=" + encodeURIComponent(item);
			}).join('&');
		}
	}
};

// Returns true if child is contained within element
Element.isParent = function(child, element) {

	if (!child.parentNode || child == element) return false;

	if (child.parentNode == element) return true;

	return Element.isParent(child.parentNode, element);
};

Element.findChildren = function(element, only, recursive, tagName) {

	if (!element.hasChildNodes()) return null;
	tagName = tagName.toUpperCase();
	if (only) only = [only].flatten();
	var elements = [];
	$A(element.childNodes).each(function(e) {
		if (e.tagName && e.tagName.toUpperCase() == tagName && (!only || (Element.classNames(e).detect(function(v) { return only.include(v) })))) {
			elements.push(e);
		}
		if (recursive) {
			var grandchildren = Element.findChildren(e, only, recursive, tagName);
			if (grandchildren) elements.push(grandchildren);
		}
	});

	return (elements.length > 0 ? elements.flatten() : []);
};

Element.offsetSize = function(element, type) {

	if (type == 'vertical' || type == 'height') {
		return element.offsetHeight;
	}
	else {
		return element.offsetWidth;
	}
};





//--------------------------------------------------------------------------------------------------
/*
 * Copyright (c) 2010, Yahoo! Inc. All rights reserved.
 * Code licensed under the BSD License:
 * http://developer.yahoo.com/yui/license.html
 * version: 2.8.1
 */
//------------------------------------------------
if (typeof YAHOO=="undefined"||!YAHOO){var YAHOO={};}YAHOO.namespace=function(){var A=arguments,E=null,C,B,D;for (C=0;C<A.length;C=C+1){D=(""+A[C]).split(".");E=YAHOO;for (B=(D[0]=="YAHOO")?1:0;B<D.length;B=B+1){E[D[B]]=E[D[B]]||{};E=E[D[B]];}}return E;};YAHOO.log=function(D,A,C){var B=YAHOO.widget.Logger;if (B&&B.log){return B.log(D,A,C);}else{return false;}};YAHOO.register=function(A,E,D){var I=YAHOO.env.modules,B,H,G,F,C;if (!I[A]){I[A]={versions:[],builds:[]};}B=I[A];H=D.version;G=D.build;F=YAHOO.env.listeners;B.name=A;B.version=H;B.build=G;B.versions.push(H);B.builds.push(G);B.mainClass=E;for (C=0;C<F.length;C=C+1){F[C](B);}if (E){E.VERSION=H;E.BUILD=G;}else{YAHOO.log("mainClass is undefined for module "+A,"warn");}};YAHOO.env=YAHOO.env||{modules:[],listeners:[]};YAHOO.env.getVersion=function(A){return YAHOO.env.modules[A]||null;};YAHOO.env.ua=function(){var D=function(H){var I=0;return parseFloat(H.replace(/\./g,function(){return(I++==1)?"":".";}));},G=navigator,F={ie:0,opera:0,gecko:0,webkit:0,mobile:null,air:0,caja:G.cajaVersion,secure:false,os:null},C=navigator&&navigator.userAgent,E=window&&window.location,B=E&&E.href,A;F.secure=B&&(B.toLowerCase().indexOf("https")===0);if (C){if ((/windows|win32/i).test(C)){F.os="windows";}else{if ((/macintosh/i).test(C)){F.os="macintosh";}}if ((/KHTML/).test(C)){F.webkit=1;}A=C.match(/AppleWebKit\/([^\s]*)/);if (A&&A[1]){F.webkit=D(A[1]);if (/ Mobile\//.test(C)){F.mobile="Apple";}else{A=C.match(/NokiaN[^\/]*/);if (A){F.mobile=A[0];}}A=C.match(/AdobeAIR\/([^\s]*)/);if (A){F.air=A[0];}}if (!F.webkit){A=C.match(/Opera[\s\/]([^\s]*)/);if (A&&A[1]){F.opera=D(A[1]);A=C.match(/Opera Mini[^;]*/);if (A){F.mobile=A[0];}}else{A=C.match(/MSIE\s([^;]*)/);if (A&&A[1]){F.ie=D(A[1]);}else{A=C.match(/Gecko\/([^\s]*)/);if (A){F.gecko=1;A=C.match(/rv:([^\s\)]*)/);if (A&&A[1]){F.gecko=D(A[1]);}}}}}}return F;}();(function(){YAHOO.namespace("util","widget","example");if ("undefined"!==typeof YAHOO_config){var B=YAHOO_config.listener,A=YAHOO.env.listeners,D=true,C;if (B){for (C=0;C<A.length;C++){if (A[C]==B){D=false;break;}}if (D){A.push(B);}}}})();YAHOO.lang=YAHOO.lang||{};(function(){var B=YAHOO.lang,A=Object.prototype,H="[object Array]",C="[object Function]",G="[object Object]",E=[],F=["toString","valueOf"],D={isArray:function(I){return A.toString.apply(I)===H;},isBoolean:function(I){return typeof I==="boolean";},isFunction:function(I){return(typeof I==="function")||A.toString.apply(I)===C;},isNull:function(I){return I===null;},isNumber:function(I){return typeof I==="number"&&isFinite(I);},isObject:function(I){return(I&&(typeof I==="object"||B.isFunction(I)))||false;},isString:function(I){return typeof I==="string";},isUndefined:function(I){return typeof I==="undefined";},_IEEnumFix:(YAHOO.env.ua.ie)?function(K,J){var I,M,L;for (I=0;I<F.length;I=I+1){M=F[I];L=J[M];if (B.isFunction(L)&&L!=A[M]){K[M]=L;}}}:function(){},extend:function(L,M,K){if (!M||!L){throw new Error("extend failed, please check that "+"all dependencies are included.");}var J=function(){},I;J.prototype=M.prototype;L.prototype=new J();L.prototype.constructor=L;L.superclass=M.prototype;if (M.prototype.constructor==A.constructor){M.prototype.constructor=M;}if (K){for (I in K){if (B.hasOwnProperty(K,I)){L.prototype[I]=K[I];}}B._IEEnumFix(L.prototype,K);}},augmentObject:function(M,L){if (!L||!M){throw new Error("Absorb failed, verify dependencies.");}var I=arguments,K,N,J=I[2];if (J&&J!==true){for (K=2;K<I.length;K=K+1){M[I[K]]=L[I[K]];}}else{for (N in L){if (J||!(N in M)){M[N]=L[N];}}B._IEEnumFix(M,L);}},augmentProto:function(L,K){if (!K||!L){throw new Error("Augment failed, verify dependencies.");}var I=[L.prototype,K.prototype],J;for (J=2;J<arguments.length;J=J+1){I.push(arguments[J]);}B.augmentObject.apply(this,I);},dump:function(I,N){var K,M,P=[],Q="{...}",J="f(){...}",O=", ",L=" => ";if (!B.isObject(I)){return I+"";}else{if (I instanceof Date||("nodeType" in I&&"tagName" in I)){return I;}else{if (B.isFunction(I)){return J;}}}N=(B.isNumber(N))?N:3;if (B.isArray(I)){P.push("[");for (K=0,M=I.length;K<M;K=K+1){if (B.isObject(I[K])){P.push((N>0)?B.dump(I[K],N-1):Q);}else{P.push(I[K]);}P.push(O);}if (P.length>1){P.pop();}P.push("]");}else{P.push("{");for (K in I){if (B.hasOwnProperty(I,K)){P.push(K+L);if (B.isObject(I[K])){P.push((N>0)?B.dump(I[K],N-1):Q);}else{P.push(I[K]);}P.push(O);}}if (P.length>1){P.pop();}P.push("}");}return P.join("");},substitute:function(Y,J,R){var N,M,L,U,V,X,T=[],K,O="dump",S=" ",I="{",W="}",Q,P;for (;;){N=Y.lastIndexOf(I);if (N<0){break;}M=Y.indexOf(W,N);if (N+1>=M){break;}K=Y.substring(N+1,M);U=K;X=null;L=U.indexOf(S);if (L>-1){X=U.substring(L+1);U=U.substring(0,L);}V=J[U];if (R){V=R(U,V,X);}if (B.isObject(V)){if (B.isArray(V)){V=B.dump(V,parseInt(X,10));}else{X=X||"";Q=X.indexOf(O);if (Q>-1){X=X.substring(4);}P=V.toString();if (P===G||Q>-1){V=B.dump(V,parseInt(X,10));}else{V=P;}}}else{if (!B.isString(V)&&!B.isNumber(V)){V="~-"+T.length+"-~";T[T.length]=K;}}Y=Y.substring(0,N)+V+Y.substring(M+1);}for (N=T.length-1;N>=0;N=N-1){Y=Y.replace(new RegExp("~-"+N+"-~"),"{"+T[N]+"}","g");}return Y;},trim:function(I){try{return I.replace(/^\s+|\s+$/g,"");}catch (J){return I;}},merge:function(){var L={},J=arguments,I=J.length,K;for (K=0;K<I;K=K+1){B.augmentObject(L,J[K],true);}return L;},later:function(P,J,Q,L,M){P=P||0;J=J||{};var K=Q,O=L,N,I;if (B.isString(Q)){K=J[Q];}if (!K){throw new TypeError("method undefined");}if (O&&!B.isArray(O)){O=[L];}N=function(){K.apply(J,O||E);};I=(M)?setInterval(N,P):setTimeout(N,P);return{interval:M,cancel:function(){if (this.interval){clearInterval(I);}else{clearTimeout(I);}}};},isValue:function(I){return(B.isObject(I)||B.isString(I)||B.isNumber(I)||B.isBoolean(I));}};B.hasOwnProperty=(A.hasOwnProperty)?function(I,J){return I&&I.hasOwnProperty(J);}:function(I,J){return !B.isUndefined(I[J])&&I.constructor.prototype[J]!==I[J];};D.augmentObject(B,D,true);YAHOO.util.Lang=B;B.augment=B.augmentProto;YAHOO.augment=B.augmentProto;YAHOO.extend=B.extend;})();YAHOO.register("yahoo",YAHOO,{version:"2.8.1",build:"19"});
(function(){YAHOO.env._id_counter=YAHOO.env._id_counter||0;var E=YAHOO.util,L=YAHOO.lang,m=YAHOO.env.ua,A=YAHOO.lang.trim,d={},h={},N=/^t(?:able|d|h)$/i,X=/color$/i,K=window.document,W=K.documentElement,e="ownerDocument",n="defaultView",v="documentElement",t="compatMode",b="offsetLeft",P="offsetTop",u="offsetParent",Z="parentNode",l="nodeType",C="tagName",O="scrollLeft",i="scrollTop",Q="getBoundingClientRect",w="getComputedStyle",a="currentStyle",M="CSS1Compat",c="BackCompat",g="class",F="className",J="",B=" ",s="(?:^|\\s)",k="(?= |$)",U="g",p="position",f="fixed",V="relative",j="left",o="top",r="medium",q="borderLeftWidth",R="borderTopWidth",D=m.opera,I=m.webkit,H=m.gecko,T=m.ie;E.Dom={CUSTOM_ATTRIBUTES:(!W.hasAttribute)?{"for":"htmlFor","class":F}:{"htmlFor":"for","className":g},DOT_ATTRIBUTES:{},get:function(z){var AB,x,AA,y,Y,G;if (z){if (z[l]||z.item){return z;}if (typeof z==="string"){AB=z;z=K.getElementById(z);G=(z)?z.attributes:null;if (z&&G&&G.id&&G.id.value===AB){return z;}else{if (z&&K.all){z=null;x=K.all[AB];for (y=0,Y=x.length;y<Y;++y){if (x[y].id===AB){return x[y];}}}}return z;}if (YAHOO.util.Element&&z instanceof YAHOO.util.Element){z=z.get("element");}if ("length" in z){AA=[];for (y=0,Y=z.length;y<Y;++y){AA[AA.length]=E.Dom.get(z[y]);}return AA;}return z;}return null;},getComputedStyle:function(G,Y){if (window[w]){return G[e][n][w](G,null)[Y];}else{if (G[a]){return E.Dom.IE_ComputedStyle.get(G,Y);}}},getStyle:function(G,Y){return E.Dom.batch(G,E.Dom._getStyle,Y);},_getStyle:function(){if (window[w]){return function(G,y){y=(y==="float")?y="cssFloat":E.Dom._toCamel(y);var x=G.style[y],Y;if (!x){Y=G[e][n][w](G,null);if (Y){x=Y[y];}}return x;};}else{if (W[a]){return function(G,y){var x;switch(y){case"opacity":x=100;try{x=G.filters["DXImageTransform.Microsoft.Alpha"].opacity;}catch (z){try{x=G.filters("alpha").opacity;}catch (Y){}}return x/100;case"float":y="styleFloat";default:y=E.Dom._toCamel(y);x=G[a]?G[a][y]:null;return(G.style[y]||x);}};}}}(),setStyle:function(G,Y,x){E.Dom.batch(G,E.Dom._setStyle,{prop:Y,val:x});},_setStyle:function(){if (T){return function(Y,G){var x=E.Dom._toCamel(G.prop),y=G.val;if (Y){switch(x){case"opacity":if (L.isString(Y.style.filter)){Y.style.filter="alpha(opacity="+y*100+")";if (!Y[a]||!Y[a].hasLayout){Y.style.zoom=1;}}break;case"float":x="styleFloat";default:Y.style[x]=y;}}else{}};}else{return function(Y,G){var x=E.Dom._toCamel(G.prop),y=G.val;if (Y){if (x=="float"){x="cssFloat";}Y.style[x]=y;}else{}};}}(),getXY:function(G){return E.Dom.batch(G,E.Dom._getXY);},_canPosition:function(G){return(E.Dom._getStyle(G,"display")!=="none"&&E.Dom._inDoc(G));},_getXY:function(){if (K[v][Q]){return function(y){var z,Y,AA,AF,AE,AD,AC,G,x,AB=Math.floor,AG=false;if (E.Dom._canPosition(y)){AA=y[Q]();AF=y[e];z=E.Dom.getDocumentScrollLeft(AF);Y=E.Dom.getDocumentScrollTop(AF);AG=[AB(AA[j]),AB(AA[o])];if (T&&m.ie<8){AE=2;AD=2;AC=AF[t];if (m.ie===6){if (AC!==c){AE=0;AD=0;}}if ((AC===c)){G=S(AF[v],q);x=S(AF[v],R);if (G!==r){AE=parseInt(G,10);}if (x!==r){AD=parseInt(x,10);}}AG[0]-=AE;AG[1]-=AD;}if ((Y||z)){AG[0]+=z;AG[1]+=Y;}AG[0]=AB(AG[0]);AG[1]=AB(AG[1]);}else{}return AG;};}else{return function(y){var x,Y,AA,AB,AC,z=false,G=y;if (E.Dom._canPosition(y)){z=[y[b],y[P]];x=E.Dom.getDocumentScrollLeft(y[e]);Y=E.Dom.getDocumentScrollTop(y[e]);AC=((H||m.webkit>519)?true:false);while ((G=G[u])){z[0]+=G[b];z[1]+=G[P];if (AC){z=E.Dom._calcBorders(G,z);}}if (E.Dom._getStyle(y,p)!==f){G=y;while ((G=G[Z])&&G[C]){AA=G[i];AB=G[O];if (H&&(E.Dom._getStyle(G,"overflow")!=="visible")){z=E.Dom._calcBorders(G,z);}if (AA||AB){z[0]-=AB;z[1]-=AA;}}z[0]+=x;z[1]+=Y;}else{if (D){z[0]-=x;z[1]-=Y;}else{if (I||H){z[0]+=x;z[1]+=Y;}}}z[0]=Math.floor(z[0]);z[1]=Math.floor(z[1]);}else{}return z;};}}(),getX:function(G){var Y=function(x){return E.Dom.getXY(x)[0];};return E.Dom.batch(G,Y,E.Dom,true);},getY:function(G){var Y=function(x){return E.Dom.getXY(x)[1];};return E.Dom.batch(G,Y,E.Dom,true);},setXY:function(G,x,Y){E.Dom.batch(G,E.Dom._setXY,{pos:x,noRetry:Y});},_setXY:function(G,z){var AA=E.Dom._getStyle(G,p),y=E.Dom.setStyle,AD=z.pos,Y=z.noRetry,AB=[parseInt(E.Dom.getComputedStyle(G,j),10),parseInt(E.Dom.getComputedStyle(G,o),10)],AC,x;if (AA=="static"){AA=V;y(G,p,AA);}AC=E.Dom._getXY(G);if (!AD||AC===false){return false;}if (isNaN(AB[0])){AB[0]=(AA==V)?0:G[b];}if (isNaN(AB[1])){AB[1]=(AA==V)?0:G[P];}if (AD[0]!==null){y(G,j,AD[0]-AC[0]+AB[0]+"px");}if (AD[1]!==null){y(G,o,AD[1]-AC[1]+AB[1]+"px");}if (!Y){x=E.Dom._getXY(G);if ((AD[0]!==null&&x[0]!=AD[0])||(AD[1]!==null&&x[1]!=AD[1])){E.Dom._setXY(G,{pos:AD,noRetry:true});}}},setX:function(Y,G){E.Dom.setXY(Y,[G,null]);},setY:function(G,Y){E.Dom.setXY(G,[null,Y]);},getRegion:function(G){var Y=function(x){var y=false;if (E.Dom._canPosition(x)){y=E.Region.getRegion(x);}else{}return y;};return E.Dom.batch(G,Y,E.Dom,true);},getClientWidth:function(){return E.Dom.getViewportWidth();},getClientHeight:function(){return E.Dom.getViewportHeight();},getElementsByClassName:function(AB,AF,AC,AE,x,AD){AF=AF||"*";AC=(AC)?E.Dom.get(AC):null||K;if (!AC){return[];}var Y=[],G=AC.getElementsByTagName(AF),z=E.Dom.hasClass;for (var y=0,AA=G.length;y<AA;++y){if (z(G[y],AB)){Y[Y.length]=G[y];}}if (AE){E.Dom.batch(Y,AE,x,AD);}return Y;},hasClass:function(Y,G){return E.Dom.batch(Y,E.Dom._hasClass,G);},_hasClass:function(x,Y){var G=false,y;if (x&&Y){y=E.Dom._getAttribute(x,F)||J;if (Y.exec){G=Y.test(y);}else{G=Y&&(B+y+B).indexOf(B+Y+B)>-1;}}else{}return G;},addClass:function(Y,G){return E.Dom.batch(Y,E.Dom._addClass,G);},_addClass:function(x,Y){var G=false,y;if (x&&Y){y=E.Dom._getAttribute(x,F)||J;if (!E.Dom._hasClass(x,Y)){E.Dom.setAttribute(x,F,A(y+B+Y));G=true;}}else{}return G;},removeClass:function(Y,G){return E.Dom.batch(Y,E.Dom._removeClass,G);},_removeClass:function(y,x){var Y=false,AA,z,G;if (y&&x){AA=E.Dom._getAttribute(y,F)||J;E.Dom.setAttribute(y,F,AA.replace(E.Dom._getClassRegex(x),J));z=E.Dom._getAttribute(y,F);if (AA!==z){E.Dom.setAttribute(y,F,A(z));Y=true;if (E.Dom._getAttribute(y,F)===""){G=(y.hasAttribute&&y.hasAttribute(g))?g:F;
y.removeAttribute(G);}}}else{}return Y;},replaceClass:function(x,Y,G){return E.Dom.batch(x,E.Dom._replaceClass,{from:Y,to:G});},_replaceClass:function(y,x){var Y,AB,AA,G=false,z;if (y&&x){AB=x.from;AA=x.to;if (!AA){G=false;}else{if (!AB){G=E.Dom._addClass(y,x.to);}else{if (AB!==AA){z=E.Dom._getAttribute(y,F)||J;Y=(B+z.replace(E.Dom._getClassRegex(AB),B+AA)).split(E.Dom._getClassRegex(AA));Y.splice(1,0,B+AA);E.Dom.setAttribute(y,F,A(Y.join(J)));G=true;}}}}else{}return G;},generateId:function(G,x){x=x||"yui-gen";var Y=function(y){if (y&&y.id){return y.id;}var z=x+YAHOO.env._id_counter++;if (y){if (y[e]&&y[e].getElementById(z)){return E.Dom.generateId(y,z+x);}y.id=z;}return z;};return E.Dom.batch(G,Y,E.Dom,true)||Y.apply(E.Dom,arguments);},isAncestor:function(Y,x){Y=E.Dom.get(Y);x=E.Dom.get(x);var G=false;if ((Y&&x)&&(Y[l]&&x[l])){if (Y.contains&&Y!==x){G=Y.contains(x);}else{if (Y.compareDocumentPosition){G=!!(Y.compareDocumentPosition(x)&16);}}}else{}return G;},inDocument:function(G,Y){return E.Dom._inDoc(E.Dom.get(G),Y);},_inDoc:function(Y,x){var G=false;if (Y&&Y[C]){x=x||Y[e];G=E.Dom.isAncestor(x[v],Y);}else{}return G;},getElementsBy:function(Y,AF,AB,AD,y,AC,AE){AF=AF||"*";AB=(AB)?E.Dom.get(AB):null||K;if (!AB){return[];}var x=[],G=AB.getElementsByTagName(AF);for (var z=0,AA=G.length;z<AA;++z){if (Y(G[z])){if (AE){x=G[z];break;}else{x[x.length]=G[z];}}}if (AD){E.Dom.batch(x,AD,y,AC);}return x;},getElementBy:function(x,G,Y){return E.Dom.getElementsBy(x,G,Y,null,null,null,true);},batch:function(x,AB,AA,z){var y=[],Y=(z)?AA:window;x=(x&&(x[C]||x.item))?x:E.Dom.get(x);if (x&&AB){if (x[C]||x.length===undefined){return AB.call(Y,x,AA);}for (var G=0;G<x.length;++G){y[y.length]=AB.call(Y,x[G],AA);}}else{return false;}return y;},getDocumentHeight:function(){var Y=(K[t]!=M||I)?K.body.scrollHeight:W.scrollHeight,G=Math.max(Y,E.Dom.getViewportHeight());return G;},getDocumentWidth:function(){var Y=(K[t]!=M||I)?K.body.scrollWidth:W.scrollWidth,G=Math.max(Y,E.Dom.getViewportWidth());return G;},getViewportHeight:function(){var G=self.innerHeight,Y=K[t];if ((Y||T)&&!D){G=(Y==M)?W.clientHeight:K.body.clientHeight;}return G;},getViewportWidth:function(){var G=self.innerWidth,Y=K[t];if (Y||T){G=(Y==M)?W.clientWidth:K.body.clientWidth;}return G;},getAncestorBy:function(G,Y){while ((G=G[Z])){if (E.Dom._testElement(G,Y)){return G;}}return null;},getAncestorByClassName:function(Y,G){Y=E.Dom.get(Y);if (!Y){return null;}var x=function(y){return E.Dom.hasClass(y,G);};return E.Dom.getAncestorBy(Y,x);},getAncestorByTagName:function(Y,G){Y=E.Dom.get(Y);if (!Y){return null;}var x=function(y){return y[C]&&y[C].toUpperCase()==G.toUpperCase();};return E.Dom.getAncestorBy(Y,x);},getPreviousSiblingBy:function(G,Y){while (G){G=G.previousSibling;if (E.Dom._testElement(G,Y)){return G;}}return null;},getPreviousSibling:function(G){G=E.Dom.get(G);if (!G){return null;}return E.Dom.getPreviousSiblingBy(G);},getNextSiblingBy:function(G,Y){while (G){G=G.nextSibling;if (E.Dom._testElement(G,Y)){return G;}}return null;},getNextSibling:function(G){G=E.Dom.get(G);if (!G){return null;}return E.Dom.getNextSiblingBy(G);},getFirstChildBy:function(G,x){var Y=(E.Dom._testElement(G.firstChild,x))?G.firstChild:null;return Y||E.Dom.getNextSiblingBy(G.firstChild,x);},getFirstChild:function(G,Y){G=E.Dom.get(G);if (!G){return null;}return E.Dom.getFirstChildBy(G);},getLastChildBy:function(G,x){if (!G){return null;}var Y=(E.Dom._testElement(G.lastChild,x))?G.lastChild:null;return Y||E.Dom.getPreviousSiblingBy(G.lastChild,x);},getLastChild:function(G){G=E.Dom.get(G);return E.Dom.getLastChildBy(G);},getChildrenBy:function(Y,y){var x=E.Dom.getFirstChildBy(Y,y),G=x?[x]:[];E.Dom.getNextSiblingBy(x,function(z){if (!y||y(z)){G[G.length]=z;}return false;});return G;},getChildren:function(G){G=E.Dom.get(G);if (!G){}return E.Dom.getChildrenBy(G);},getDocumentScrollLeft:function(G){G=G||K;return Math.max(G[v].scrollLeft,G.body.scrollLeft);},getDocumentScrollTop:function(G){G=G||K;return Math.max(G[v].scrollTop,G.body.scrollTop);},insertBefore:function(Y,G){Y=E.Dom.get(Y);G=E.Dom.get(G);if (!Y||!G||!G[Z]){return null;}return G[Z].insertBefore(Y,G);},insertAfter:function(Y,G){Y=E.Dom.get(Y);G=E.Dom.get(G);if (!Y||!G||!G[Z]){return null;}if (G.nextSibling){return G[Z].insertBefore(Y,G.nextSibling);}else{return G[Z].appendChild(Y);}},getClientRegion:function(){var x=E.Dom.getDocumentScrollTop(),Y=E.Dom.getDocumentScrollLeft(),y=E.Dom.getViewportWidth()+Y,G=E.Dom.getViewportHeight()+x;return new E.Region(x,y,G,Y);},setAttribute:function(Y,G,x){E.Dom.batch(Y,E.Dom._setAttribute,{attr:G,val:x});},_setAttribute:function(x,Y){var G=E.Dom._toCamel(Y.attr),y=Y.val;if (x&&x.setAttribute){if (E.Dom.DOT_ATTRIBUTES[G]){x[G]=y;}else{G=E.Dom.CUSTOM_ATTRIBUTES[G]||G;x.setAttribute(G,y);}}else{}},getAttribute:function(Y,G){return E.Dom.batch(Y,E.Dom._getAttribute,G);},_getAttribute:function(Y,G){var x;G=E.Dom.CUSTOM_ATTRIBUTES[G]||G;if (Y&&Y.getAttribute){x=Y.getAttribute(G,2);}else{}return x;},_toCamel:function(Y){var x=d;function G(y,z){return z.toUpperCase();}return x[Y]||(x[Y]=Y.indexOf("-")===-1?Y:Y.replace(/-([a-z])/gi,G));},_getClassRegex:function(Y){var G;if (Y!==undefined){if (Y.exec){G=Y;}else{G=h[Y];if (!G){Y=Y.replace(E.Dom._patterns.CLASS_RE_TOKENS,"\\$1");G=h[Y]=new RegExp(s+Y+k,U);}}}return G;},_patterns:{ROOT_TAG:/^body|html$/i,CLASS_RE_TOKENS:/([\.\(\)\^\$\*\+\?\|\[\]\{\}\\])/g},_testElement:function(G,Y){return G&&G[l]==1&&(!Y||Y(G));},_calcBorders:function(x,y){var Y=parseInt(E.Dom[w](x,R),10)||0,G=parseInt(E.Dom[w](x,q),10)||0;if (H){if (N.test(x[C])){Y=0;G=0;}}y[0]+=G;y[1]+=Y;return y;}};var S=E.Dom[w];if (m.opera){E.Dom[w]=function(Y,G){var x=S(Y,G);if (X.test(G)){x=E.Dom.Color.toRGB(x);}return x;};}if (m.webkit){E.Dom[w]=function(Y,G){var x=S(Y,G);if (x==="rgba(0, 0, 0, 0)"){x="transparent";}return x;};}if (m.ie&&m.ie>=8&&K.documentElement.hasAttribute){E.Dom.DOT_ATTRIBUTES.type=true;}})();YAHOO.util.Region=function(C,D,A,B){this.top=C;this.y=C;this[1]=C;this.right=D;this.bottom=A;this.left=B;this.x=B;this[0]=B;
this.width=this.right-this.left;this.height=this.bottom-this.top;};YAHOO.util.Region.prototype.contains=function(A){return(A.left>=this.left&&A.right<=this.right&&A.top>=this.top&&A.bottom<=this.bottom);};YAHOO.util.Region.prototype.getArea=function(){return((this.bottom-this.top)*(this.right-this.left));};YAHOO.util.Region.prototype.intersect=function(E){var C=Math.max(this.top,E.top),D=Math.min(this.right,E.right),A=Math.min(this.bottom,E.bottom),B=Math.max(this.left,E.left);if (A>=C&&D>=B){return new YAHOO.util.Region(C,D,A,B);}else{return null;}};YAHOO.util.Region.prototype.union=function(E){var C=Math.min(this.top,E.top),D=Math.max(this.right,E.right),A=Math.max(this.bottom,E.bottom),B=Math.min(this.left,E.left);return new YAHOO.util.Region(C,D,A,B);};YAHOO.util.Region.prototype.toString=function(){return("Region {"+"top: "+this.top+", right: "+this.right+", bottom: "+this.bottom+", left: "+this.left+", height: "+this.height+", width: "+this.width+"}");};YAHOO.util.Region.getRegion=function(D){var F=YAHOO.util.Dom.getXY(D),C=F[1],E=F[0]+D.offsetWidth,A=F[1]+D.offsetHeight,B=F[0];return new YAHOO.util.Region(C,E,A,B);};YAHOO.util.Point=function(A,B){if (YAHOO.lang.isArray(A)){B=A[1];A=A[0];}YAHOO.util.Point.superclass.constructor.call(this,B,A,B,A);};YAHOO.extend(YAHOO.util.Point,YAHOO.util.Region);(function(){var B=YAHOO.util,A="clientTop",F="clientLeft",J="parentNode",K="right",W="hasLayout",I="px",U="opacity",L="auto",D="borderLeftWidth",G="borderTopWidth",P="borderRightWidth",V="borderBottomWidth",S="visible",Q="transparent",N="height",E="width",H="style",T="currentStyle",R=/^width|height$/,O=/^(\d[.\d]*)+(em|ex|px|gd|rem|vw|vh|vm|ch|mm|cm|in|pt|pc|deg|rad|ms|s|hz|khz|%){1}?/i,M={get:function(X,Z){var Y="",a=X[T][Z];if (Z===U){Y=B.Dom.getStyle(X,U);}else{if (!a||(a.indexOf&&a.indexOf(I)>-1)){Y=a;}else{if (B.Dom.IE_COMPUTED[Z]){Y=B.Dom.IE_COMPUTED[Z](X,Z);}else{if (O.test(a)){Y=B.Dom.IE.ComputedStyle.getPixel(X,Z);}else{Y=a;}}}}return Y;},getOffset:function(Z,e){var b=Z[T][e],X=e.charAt(0).toUpperCase()+e.substr(1),c="offset"+X,Y="pixel"+X,a="",d;if (b==L){d=Z[c];if (d===undefined){a=0;}a=d;if (R.test(e)){Z[H][e]=d;if (Z[c]>d){a=d-(Z[c]-d);}Z[H][e]=L;}}else{if (!Z[H][Y]&&!Z[H][e]){Z[H][e]=b;}a=Z[H][Y];}return a+I;},getBorderWidth:function(X,Z){var Y=null;if (!X[T][W]){X[H].zoom=1;}switch(Z){case G:Y=X[A];break;case V:Y=X.offsetHeight-X.clientHeight-X[A];break;case D:Y=X[F];break;case P:Y=X.offsetWidth-X.clientWidth-X[F];break;}return Y+I;},getPixel:function(Y,X){var a=null,b=Y[T][K],Z=Y[T][X];Y[H][K]=Z;a=Y[H].pixelRight;Y[H][K]=b;return a+I;},getMargin:function(Y,X){var Z;if (Y[T][X]==L){Z=0+I;}else{Z=B.Dom.IE.ComputedStyle.getPixel(Y,X);}return Z;},getVisibility:function(Y,X){var Z;while ((Z=Y[T])&&Z[X]=="inherit"){Y=Y[J];}return(Z)?Z[X]:S;},getColor:function(Y,X){return B.Dom.Color.toRGB(Y[T][X])||Q;},getBorderColor:function(Y,X){var Z=Y[T],a=Z[X]||Z.color;return B.Dom.Color.toRGB(B.Dom.Color.toHex(a));}},C={};C.top=C.right=C.bottom=C.left=C[E]=C[N]=M.getOffset;C.color=M.getColor;C[G]=C[P]=C[V]=C[D]=M.getBorderWidth;C.marginTop=C.marginRight=C.marginBottom=C.marginLeft=M.getMargin;C.visibility=M.getVisibility;C.borderColor=C.borderTopColor=C.borderRightColor=C.borderBottomColor=C.borderLeftColor=M.getBorderColor;B.Dom.IE_COMPUTED=C;B.Dom.IE_ComputedStyle=M;})();(function(){var C="toString",A=parseInt,B=RegExp,D=YAHOO.util;D.Dom.Color={KEYWORDS:{black:"000",silver:"c0c0c0",gray:"808080",white:"fff",maroon:"800000",red:"f00",purple:"800080",fuchsia:"f0f",green:"008000",lime:"0f0",olive:"808000",yellow:"ff0",navy:"000080",blue:"00f",teal:"008080",aqua:"0ff"},re_RGB:/^rgb\(([0-9]+)\s*,\s*([0-9]+)\s*,\s*([0-9]+)\)$/i,re_hex:/^#?([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{2})$/i,re_hex3:/([0-9A-F])/gi,toRGB:function(E){if (!D.Dom.Color.re_RGB.test(E)){E=D.Dom.Color.toHex(E);}if (D.Dom.Color.re_hex.exec(E)){E="rgb("+[A(B.$1,16),A(B.$2,16),A(B.$3,16)].join(", ")+")";}return E;},toHex:function(H){H=D.Dom.Color.KEYWORDS[H]||H;if (D.Dom.Color.re_RGB.exec(H)){var G=(B.$1.length===1)?"0"+B.$1:Number(B.$1),F=(B.$2.length===1)?"0"+B.$2:Number(B.$2),E=(B.$3.length===1)?"0"+B.$3:Number(B.$3);H=[G[C](16),F[C](16),E[C](16)].join("");}if (H.length<6){H=H.replace(D.Dom.Color.re_hex3,"$1$1");}if (H!=="transparent"&&H.indexOf("#")<0){H="#"+H;}return H.toLowerCase();}};}());YAHOO.register("dom",YAHOO.util.Dom,{version:"2.8.1",build:"19"});YAHOO.util.CustomEvent=function(D,C,B,A,E){this.type=D;this.scope=C||window;this.silent=B;this.fireOnce=E;this.fired=false;this.firedWith=null;this.signature=A||YAHOO.util.CustomEvent.LIST;this.subscribers=[];if (!this.silent){}var F="_YUICEOnSubscribe";if (D!==F){this.subscribeEvent=new YAHOO.util.CustomEvent(F,this,true);}this.lastError=null;};YAHOO.util.CustomEvent.LIST=0;YAHOO.util.CustomEvent.FLAT=1;YAHOO.util.CustomEvent.prototype={subscribe:function(B,C,D){if (!B){throw new Error("Invalid callback for subscriber to '"+this.type+"'");}if (this.subscribeEvent){this.subscribeEvent.fire(B,C,D);}var A=new YAHOO.util.Subscriber(B,C,D);if (this.fireOnce&&this.fired){this.notify(A,this.firedWith);}else{this.subscribers.push(A);}},unsubscribe:function(D,F){if (!D){return this.unsubscribeAll();}var E=false;for (var B=0,A=this.subscribers.length;B<A;++B){var C=this.subscribers[B];if (C&&C.contains(D,F)){this._delete(B);E=true;}}return E;},fire:function(){this.lastError=null;var H=[],A=this.subscribers.length;var D=[].slice.call(arguments,0),C=true,F,B=false;if (this.fireOnce){if (this.fired){return true;}else{this.firedWith=D;}}this.fired=true;if (!A&&this.silent){return true;}if (!this.silent){}var E=this.subscribers.slice();for (F=0;F<A;++F){var G=E[F];if (!G){B=true;}else{C=this.notify(G,D);if (false===C){if (!this.silent){}break;}}}return(C!==false);},notify:function(F,C){var B,H=null,E=F.getScope(this.scope),A=YAHOO.util.Event.throwErrors;if (!this.silent){}if (this.signature==YAHOO.util.CustomEvent.FLAT){if (C.length>0){H=C[0];}try{B=F.fn.call(E,H,F.obj);}catch (G){this.lastError=G;if (A){throw G;}}}else{try{B=F.fn.call(E,this.type,C,F.obj);}catch (D){this.lastError=D;if (A){throw D;}}}return B;},unsubscribeAll:function(){var A=this.subscribers.length,B;for (B=A-1;B>-1;B--){this._delete(B);}this.subscribers=[];return A;},_delete:function(A){var B=this.subscribers[A];if (B){delete B.fn;delete B.obj;}this.subscribers.splice(A,1);},toString:function(){return"CustomEvent: "+"'"+this.type+"', "+"context: "+this.scope;}};YAHOO.util.Subscriber=function(A,B,C){this.fn=A;this.obj=YAHOO.lang.isUndefined(B)?null:B;this.overrideContext=C;};YAHOO.util.Subscriber.prototype.getScope=function(A){if (this.overrideContext){if (this.overrideContext===true){return this.obj;}else{return this.overrideContext;}}return A;};YAHOO.util.Subscriber.prototype.contains=function(A,B){if (B){return(this.fn==A&&this.obj==B);}else{return(this.fn==A);}};YAHOO.util.Subscriber.prototype.toString=function(){return"Subscriber { obj: "+this.obj+", overrideContext: "+(this.overrideContext||"no")+" }";};if (!YAHOO.util.Event){YAHOO.util.Event=function(){var G=false,H=[],J=[],A=0,E=[],B=0,C={63232:38,63233:40,63234:37,63235:39,63276:33,63277:34,25:9},D=YAHOO.env.ua.ie,F="focusin",I="focusout";return{POLL_RETRYS:500,POLL_INTERVAL:40,EL:0,TYPE:1,FN:2,WFN:3,UNLOAD_OBJ:3,ADJ_SCOPE:4,OBJ:5,OVERRIDE:6,CAPTURE:7,lastError:null,isSafari:YAHOO.env.ua.webkit,webkit:YAHOO.env.ua.webkit,isIE:D,_interval:null,_dri:null,_specialTypes:{focusin:(D?"focusin":"focus"),focusout:(D?"focusout":"blur")},DOMReady:false,throwErrors:false,startInterval:function(){if (!this._interval){this._interval=YAHOO.lang.later(this.POLL_INTERVAL,this,this._tryPreloadAttach,null,true);}},onAvailable:function(Q,M,O,P,N){var K=(YAHOO.lang.isString(Q))?[Q]:Q;for (var L=0;L<K.length;L=L+1){E.push({id:K[L],fn:M,obj:O,overrideContext:P,checkReady:N});}A=this.POLL_RETRYS;this.startInterval();},onContentReady:function(N,K,L,M){this.onAvailable(N,K,L,M,true);},onDOMReady:function(){this.DOMReadyEvent.subscribe.apply(this.DOMReadyEvent,arguments);},_addListener:function(M,K,V,P,T,Y){if (!V||!V.call){return false;}if (this._isValidCollection(M)){var W=true;for (var Q=0,S=M.length;Q<S;++Q){W=this.on(M[Q],K,V,P,T)&&W;}return W;}else{if (YAHOO.lang.isString(M)){var O=this.getEl(M);if (O){M=O;}else{this.onAvailable(M,function(){YAHOO.util.Event._addListener(M,K,V,P,T,Y);});return true;}}}if (!M){return false;}if ("unload"==K&&P!==this){J[J.length]=[M,K,V,P,T];return true;}var L=M;if (T){if (T===true){L=P;}else{L=T;}}var N=function(Z){return V.call(L,YAHOO.util.Event.getEvent(Z,M),P);};var X=[M,K,V,N,L,P,T,Y];var R=H.length;H[R]=X;try{this._simpleAdd(M,K,N,Y);}catch (U){this.lastError=U;this.removeListener(M,K,V);return false;}return true;},_getType:function(K){return this._specialTypes[K]||K;},addListener:function(M,P,L,N,O){var K=((P==F||P==I)&&!YAHOO.env.ua.ie)?true:false;return this._addListener(M,this._getType(P),L,N,O,K);},addFocusListener:function(L,K,M,N){return this.on(L,F,K,M,N);},removeFocusListener:function(L,K){return this.removeListener(L,F,K);},addBlurListener:function(L,K,M,N){return this.on(L,I,K,M,N);},removeBlurListener:function(L,K){return this.removeListener(L,I,K);},removeListener:function(L,K,R){var M,P,U;K=this._getType(K);if (typeof L=="string"){L=this.getEl(L);}else{if (this._isValidCollection(L)){var S=true;for (M=L.length-1;M>-1;M--){S=(this.removeListener(L[M],K,R)&&S);}return S;}}if (!R||!R.call){return this.purgeElement(L,false,K);}if ("unload"==K){for (M=J.length-1;M>-1;M--){U=J[M];if (U&&U[0]==L&&U[1]==K&&U[2]==R){J.splice(M,1);return true;}}return false;}var N=null;var O=arguments[3];if ("undefined"===typeof O){O=this._getCacheIndex(H,L,K,R);}if (O>=0){N=H[O];}if (!L||!N){return false;}var T=N[this.CAPTURE]===true?true:false;try{this._simpleRemove(L,K,N[this.WFN],T);}catch (Q){this.lastError=Q;return false;}delete H[O][this.WFN];delete H[O][this.FN];H.splice(O,1);return true;},getTarget:function(M,L){var K=M.target||M.srcElement;return this.resolveTextNode(K);},resolveTextNode:function(L){try{if (L&&3==L.nodeType){return L.parentNode;}}catch (K){}return L;},getPageX:function(L){var K=L.pageX;if (!K&&0!==K){K=L.clientX||0;if (this.isIE){K+=this._getScrollLeft();}}return K;},getPageY:function(K){var L=K.pageY;if (!L&&0!==L){L=K.clientY||0;if (this.isIE){L+=this._getScrollTop();}}return L;},getXY:function(K){return[this.getPageX(K),this.getPageY(K)];},getRelatedTarget:function(L){var K=L.relatedTarget;if (!K){if (L.type=="mouseout"){K=L.toElement;
}else{if (L.type=="mouseover"){K=L.fromElement;}}}return this.resolveTextNode(K);},getTime:function(M){if (!M.time){var L=new Date().getTime();try{M.time=L;}catch (K){this.lastError=K;return L;}}return M.time;},stopEvent:function(K){this.stopPropagation(K);this.preventDefault(K);},stopPropagation:function(K){if (K.stopPropagation){K.stopPropagation();}else{K.cancelBubble=true;}},preventDefault:function(K){if (K.preventDefault){K.preventDefault();}else{K.returnValue=false;}},getEvent:function(M,K){var L=M||window.event;if (!L){var N=this.getEvent.caller;while (N){L=N.arguments[0];if (L&&Event==L.constructor){break;}N=N.caller;}}return L;},getCharCode:function(L){var K=L.keyCode||L.charCode||0;if (YAHOO.env.ua.webkit&&(K in C)){K=C[K];}return K;},_getCacheIndex:function(M,P,Q,O){for (var N=0,L=M.length;N<L;N=N+1){var K=M[N];if (K&&K[this.FN]==O&&K[this.EL]==P&&K[this.TYPE]==Q){return N;}}return -1;},generateId:function(K){var L=K.id;if (!L){L="yuievtautoid-"+B;++B;K.id=L;}return L;},_isValidCollection:function(L){try{return(L&&typeof L!=="string"&&L.length&&!L.tagName&&!L.alert&&typeof L[0]!=="undefined");}catch (K){return false;}},elCache:{},getEl:function(K){return(typeof K==="string")?document.getElementById(K):K;},clearCache:function(){},DOMReadyEvent:new YAHOO.util.CustomEvent("DOMReady",YAHOO,0,0,1),_load:function(L){if (!G){G=true;var K=YAHOO.util.Event;K._ready();K._tryPreloadAttach();}},_ready:function(L){var K=YAHOO.util.Event;if (!K.DOMReady){K.DOMReady=true;K.DOMReadyEvent.fire();K._simpleRemove(document,"DOMContentLoaded",K._ready);}},_tryPreloadAttach:function(){if (E.length===0){A=0;if (this._interval){this._interval.cancel();this._interval=null;}return;}if (this.locked){return;}if (this.isIE){if (!this.DOMReady){this.startInterval();return;}}this.locked=true;var Q=!G;if (!Q){Q=(A>0&&E.length>0);}var P=[];var R=function(T,U){var S=T;if (U.overrideContext){if (U.overrideContext===true){S=U.obj;}else{S=U.overrideContext;}}U.fn.call(S,U.obj);};var L,K,O,N,M=[];for (L=0,K=E.length;L<K;L=L+1){O=E[L];if (O){N=this.getEl(O.id);if (N){if (O.checkReady){if (G||N.nextSibling||!Q){M.push(O);E[L]=null;}}else{R(N,O);E[L]=null;}}else{P.push(O);}}}for (L=0,K=M.length;L<K;L=L+1){O=M[L];R(this.getEl(O.id),O);}A--;if (Q){for (L=E.length-1;L>-1;L--){O=E[L];if (!O||!O.id){E.splice(L,1);}}this.startInterval();}else{if (this._interval){this._interval.cancel();this._interval=null;}}this.locked=false;},purgeElement:function(O,P,R){var M=(YAHOO.lang.isString(O))?this.getEl(O):O;var Q=this.getListeners(M,R),N,K;if (Q){for (N=Q.length-1;N>-1;N--){var L=Q[N];this.removeListener(M,L.type,L.fn);}}if (P&&M&&M.childNodes){for (N=0,K=M.childNodes.length;N<K;++N){this.purgeElement(M.childNodes[N],P,R);}}},getListeners:function(M,K){var P=[],L;if (!K){L=[H,J];}else{if (K==="unload"){L=[J];}else{K=this._getType(K);L=[H];}}var R=(YAHOO.lang.isString(M))?this.getEl(M):M;for (var O=0;O<L.length;O=O+1){var T=L[O];if (T){for (var Q=0,S=T.length;Q<S;++Q){var N=T[Q];if (N&&N[this.EL]===R&&(!K||K===N[this.TYPE])){P.push({type:N[this.TYPE],fn:N[this.FN],obj:N[this.OBJ],adjust:N[this.OVERRIDE],scope:N[this.ADJ_SCOPE],index:Q});}}}}return(P.length)?P:null;},_unload:function(R){var L=YAHOO.util.Event,O,N,M,Q,P,S=J.slice(),K;for (O=0,Q=J.length;O<Q;++O){M=S[O];if (M){K=window;if (M[L.ADJ_SCOPE]){if (M[L.ADJ_SCOPE]===true){K=M[L.UNLOAD_OBJ];}else{K=M[L.ADJ_SCOPE];}}M[L.FN].call(K,L.getEvent(R,M[L.EL]),M[L.UNLOAD_OBJ]);S[O]=null;}}M=null;K=null;J=null;if (H){for (N=H.length-1;N>-1;N--){M=H[N];if (M){L.removeListener(M[L.EL],M[L.TYPE],M[L.FN],N);}}M=null;}L._simpleRemove(window,"unload",L._unload);},_getScrollLeft:function(){return this._getScroll()[1];},_getScrollTop:function(){return this._getScroll()[0];},_getScroll:function(){var K=document.documentElement,L=document.body;if (K&&(K.scrollTop||K.scrollLeft)){return[K.scrollTop,K.scrollLeft];}else{if (L){return[L.scrollTop,L.scrollLeft];}else{return[0,0];}}},regCE:function(){},_simpleAdd:function(){if (window.addEventListener){return function(M,N,L,K){M.addEventListener(N,L,(K));};}else{if (window.attachEvent){return function(M,N,L,K){M.attachEvent("on"+N,L);};}else{return function(){};}}}(),_simpleRemove:function(){if (window.removeEventListener){return function(M,N,L,K){M.removeEventListener(N,L,(K));};}else{if (window.detachEvent){return function(L,M,K){L.detachEvent("on"+M,K);};}else{return function(){};}}}()};}();(function(){var EU=YAHOO.util.Event;EU.on=EU.addListener;EU.onFocus=EU.addFocusListener;EU.onBlur=EU.addBlurListener;
/* DOMReady: based on work by: Dean Edwards/John Resig/Matthias Miller/Diego Perini */
if (EU.isIE){if (self!==self.top){document.onreadystatechange=function(){if (document.readyState=="complete"){document.onreadystatechange=null;EU._ready();}};}else{YAHOO.util.Event.onDOMReady(YAHOO.util.Event._tryPreloadAttach,YAHOO.util.Event,true);var n=document.createElement("p");EU._dri=setInterval(function(){try{n.doScroll("left");clearInterval(EU._dri);EU._dri=null;EU._ready();n=null;}catch (ex){}},EU.POLL_INTERVAL);}}else{if (EU.webkit&&EU.webkit<525){EU._dri=setInterval(function(){var rs=document.readyState;if ("loaded"==rs||"complete"==rs){clearInterval(EU._dri);EU._dri=null;EU._ready();}},EU.POLL_INTERVAL);}else{EU._simpleAdd(document,"DOMContentLoaded",EU._ready);}}EU._simpleAdd(window,"load",EU._load);EU._simpleAdd(window,"unload",EU._unload);EU._tryPreloadAttach();})();}YAHOO.util.EventProvider=function(){};YAHOO.util.EventProvider.prototype={__yui_events:null,__yui_subscribers:null,subscribe:function(A,C,F,E){this.__yui_events=this.__yui_events||{};var D=this.__yui_events[A];if (D){D.subscribe(C,F,E);}else{this.__yui_subscribers=this.__yui_subscribers||{};var B=this.__yui_subscribers;if (!B[A]){B[A]=[];}B[A].push({fn:C,obj:F,overrideContext:E});}},unsubscribe:function(C,E,G){this.__yui_events=this.__yui_events||{};var A=this.__yui_events;if (C){var F=A[C];if (F){return F.unsubscribe(E,G);}}else{var B=true;for (var D in A){if (YAHOO.lang.hasOwnProperty(A,D)){B=B&&A[D].unsubscribe(E,G);}}return B;}return false;},unsubscribeAll:function(A){return this.unsubscribe(A);
},createEvent:function(B,G){this.__yui_events=this.__yui_events||{};var E=G||{},D=this.__yui_events,F;if (D[B]){}else{F=new YAHOO.util.CustomEvent(B,E.scope||this,E.silent,YAHOO.util.CustomEvent.FLAT,E.fireOnce);D[B]=F;if (E.onSubscribeCallback){F.subscribeEvent.subscribe(E.onSubscribeCallback);}this.__yui_subscribers=this.__yui_subscribers||{};var A=this.__yui_subscribers[B];if (A){for (var C=0;C<A.length;++C){F.subscribe(A[C].fn,A[C].obj,A[C].overrideContext);}}}return D[B];},fireEvent:function(B){this.__yui_events=this.__yui_events||{};var D=this.__yui_events[B];if (!D){return null;}var A=[];for (var C=1;C<arguments.length;++C){A.push(arguments[C]);}return D.fire.apply(D,A);},hasEvent:function(A){if (this.__yui_events){if (this.__yui_events[A]){return true;}}return false;}};(function(){var A=YAHOO.util.Event,C=YAHOO.lang;YAHOO.util.KeyListener=function(D,I,E,F){if (!D){}else{if (!I){}else{if (!E){}}}if (!F){F=YAHOO.util.KeyListener.KEYDOWN;}var G=new YAHOO.util.CustomEvent("keyPressed");this.enabledEvent=new YAHOO.util.CustomEvent("enabled");this.disabledEvent=new YAHOO.util.CustomEvent("disabled");if (C.isString(D)){D=document.getElementById(D);}if (C.isFunction(E)){G.subscribe(E);}else{G.subscribe(E.fn,E.scope,E.correctScope);}function H(O,N){if (!I.shift){I.shift=false;}if (!I.alt){I.alt=false;}if (!I.ctrl){I.ctrl=false;}if (O.shiftKey==I.shift&&O.altKey==I.alt&&O.ctrlKey==I.ctrl){var J,M=I.keys,L;if (YAHOO.lang.isArray(M)){for (var K=0;K<M.length;K++){J=M[K];L=A.getCharCode(O);if (J==L){G.fire(L,O);break;}}}else{L=A.getCharCode(O);if (M==L){G.fire(L,O);}}}}this.enable=function(){if (!this.enabled){A.on(D,F,H);this.enabledEvent.fire(I);}this.enabled=true;};this.disable=function(){if (this.enabled){A.removeListener(D,F,H);this.disabledEvent.fire(I);}this.enabled=false;};this.toString=function(){return"KeyListener ["+I.keys+"] "+D.tagName+(D.id?"["+D.id+"]":"");};};var B=YAHOO.util.KeyListener;B.KEYDOWN="keydown";B.KEYUP="keyup";B.KEY={ALT:18,BACK_SPACE:8,CAPS_LOCK:20,CONTROL:17,DELETE:46,DOWN:40,END:35,ENTER:13,ESCAPE:27,HOME:36,LEFT:37,META:224,NUM_LOCK:144,PAGE_DOWN:34,PAGE_UP:33,PAUSE:19,PRINTSCREEN:44,RIGHT:39,SCROLL_LOCK:145,SHIFT:16,SPACE:32,TAB:9,UP:38};})();YAHOO.register("event",YAHOO.util.Event,{version:"2.8.1",build:"19"});YAHOO.register("yahoo-dom-event", YAHOO, {version: "2.8.1", build: "19"});





//--------------------------------------------------------------------------------------------------
/*
 * Copyright (c) 2010, Yahoo! Inc. All rights reserved.
 * Code licensed under the BSD License:
 * http://developer.yahoo.com/yui/license.html
 * version: 2.8.1
 */
//------------------------------------------------
YAHOO.util.Attribute=function(B,A){if (A){this.owner=A;this.configure(B,true);}};YAHOO.util.Attribute.prototype={name:undefined,value:null,owner:null,readOnly:false,writeOnce:false,_initialConfig:null,_written:false,method:null,setter:null,getter:null,validator:null,getValue:function(){var A=this.value;if (this.getter){A=this.getter.call(this.owner,this.name,A);}return A;},setValue:function(F,B){var E,A=this.owner,C=this.name;var D={type:C,prevValue:this.getValue(),newValue:F};if (this.readOnly||(this.writeOnce&&this._written)){return false;}if (this.validator&&!this.validator.call(A,F)){return false;}if (!B){E=A.fireBeforeChangeEvent(D);if (E===false){return false;}}if (this.setter){F=this.setter.call(A,F,this.name);if (F===undefined){}}if (this.method){this.method.call(A,F,this.name);}this.value=F;this._written=true;D.type=C;if (!B){this.owner.fireChangeEvent(D);}return true;},configure:function(B,C){B=B||{};if (C){this._written=false;}this._initialConfig=this._initialConfig||{};for (var A in B){if (B.hasOwnProperty(A)){this[A]=B[A];if (C){this._initialConfig[A]=B[A];}}}},resetValue:function(){return this.setValue(this._initialConfig.value);},resetConfig:function(){this.configure(this._initialConfig,true);},refresh:function(A){this.setValue(this.value,A);}};(function(){var A=YAHOO.util.Lang;YAHOO.util.AttributeProvider=function(){};YAHOO.util.AttributeProvider.prototype={_configs:null,get:function(C){this._configs=this._configs||{};var B=this._configs[C];if (!B||!this._configs.hasOwnProperty(C)){return null;}return B.getValue();},set:function(D,E,B){this._configs=this._configs||{};var C=this._configs[D];if (!C){return false;}return C.setValue(E,B);},getAttributeKeys:function(){this._configs=this._configs;var C=[],B;for (B in this._configs){if (A.hasOwnProperty(this._configs,B)&&!A.isUndefined(this._configs[B])){C[C.length]=B;}}return C;},setAttributes:function(D,B){for (var C in D){if (A.hasOwnProperty(D,C)){this.set(C,D[C],B);}}},resetValue:function(C,B){this._configs=this._configs||{};if (this._configs[C]){this.set(C,this._configs[C]._initialConfig.value,B);return true;}return false;},refresh:function(E,C){this._configs=this._configs||{};var F=this._configs;E=((A.isString(E))?[E]:E)||this.getAttributeKeys();for (var D=0,B=E.length;D<B;++D){if (F.hasOwnProperty(E[D])){this._configs[E[D]].refresh(C);}}},register:function(B,C){this.setAttributeConfig(B,C);},getAttributeConfig:function(C){this._configs=this._configs||{};var B=this._configs[C]||{};var D={};for (C in B){if (A.hasOwnProperty(B,C)){D[C]=B[C];}}return D;},setAttributeConfig:function(B,C,D){this._configs=this._configs||{};C=C||{};if (!this._configs[B]){C.name=B;this._configs[B]=this.createAttribute(C);}else{this._configs[B].configure(C,D);}},configureAttribute:function(B,C,D){this.setAttributeConfig(B,C,D);},resetAttributeConfig:function(B){this._configs=this._configs||{};this._configs[B].resetConfig();},subscribe:function(B,C){this._events=this._events||{};if (!(B in this._events)){this._events[B]=this.createEvent(B);}YAHOO.util.EventProvider.prototype.subscribe.apply(this,arguments);},on:function(){this.subscribe.apply(this,arguments);},addListener:function(){this.subscribe.apply(this,arguments);},fireBeforeChangeEvent:function(C){var B="before";B+=C.type.charAt(0).toUpperCase()+C.type.substr(1)+"Change";C.type=B;return this.fireEvent(C.type,C);},fireChangeEvent:function(B){B.type+="Change";return this.fireEvent(B.type,B);},createAttribute:function(B){return new YAHOO.util.Attribute(B,this);}};YAHOO.augment(YAHOO.util.AttributeProvider,YAHOO.util.EventProvider);})();(function(){var B=YAHOO.util.Dom,D=YAHOO.util.AttributeProvider,C={mouseenter:true,mouseleave:true};var A=function(E,F){this.init.apply(this,arguments);};A.DOM_EVENTS={"click":true,"dblclick":true,"keydown":true,"keypress":true,"keyup":true,"mousedown":true,"mousemove":true,"mouseout":true,"mouseover":true,"mouseup":true,"mouseenter":true,"mouseleave":true,"focus":true,"blur":true,"submit":true,"change":true};A.prototype={DOM_EVENTS:null,DEFAULT_HTML_SETTER:function(G,E){var F=this.get("element");if (F){F[E]=G;}return G;},DEFAULT_HTML_GETTER:function(E){var F=this.get("element"),G;if (F){G=F[E];}return G;},appendChild:function(E){E=E.get?E.get("element"):E;return this.get("element").appendChild(E);},getElementsByTagName:function(E){return this.get("element").getElementsByTagName(E);},hasChildNodes:function(){return this.get("element").hasChildNodes();},insertBefore:function(E,F){E=E.get?E.get("element"):E;F=(F&&F.get)?F.get("element"):F;return this.get("element").insertBefore(E,F);},removeChild:function(E){E=E.get?E.get("element"):E;return this.get("element").removeChild(E);},replaceChild:function(E,F){E=E.get?E.get("element"):E;F=F.get?F.get("element"):F;return this.get("element").replaceChild(E,F);},initAttributes:function(E){},addListener:function(J,I,K,H){H=H||this;var E=YAHOO.util.Event,G=this.get("element")||this.get("id"),F=this;if (C[J]&&!E._createMouseDelegate){return false;}if (!this._events[J]){if (G&&this.DOM_EVENTS[J]){E.on(G,J,function(M,L){if (M.srcElement&&!M.target){M.target=M.srcElement;}if ((M.toElement&&!M.relatedTarget)||(M.fromElement&&!M.relatedTarget)){M.relatedTarget=E.getRelatedTarget(M);}if (!M.currentTarget){M.currentTarget=G;}F.fireEvent(J,M,L);},K,H);}this.createEvent(J,{scope:this});}return YAHOO.util.EventProvider.prototype.subscribe.apply(this,arguments);},on:function(){return this.addListener.apply(this,arguments);},subscribe:function(){return this.addListener.apply(this,arguments);},removeListener:function(F,E){return this.unsubscribe.apply(this,arguments);},addClass:function(E){B.addClass(this.get("element"),E);},getElementsByClassName:function(F,E){return B.getElementsByClassName(F,E,this.get("element"));},hasClass:function(E){return B.hasClass(this.get("element"),E);},removeClass:function(E){return B.removeClass(this.get("element"),E);},replaceClass:function(F,E){return B.replaceClass(this.get("element"),F,E);},setStyle:function(F,E){return B.setStyle(this.get("element"),F,E);
},getStyle:function(E){return B.getStyle(this.get("element"),E);},fireQueue:function(){var F=this._queue;for (var G=0,E=F.length;G<E;++G){this[F[G][0]].apply(this,F[G][1]);}},appendTo:function(F,G){F=(F.get)?F.get("element"):B.get(F);this.fireEvent("beforeAppendTo",{type:"beforeAppendTo",target:F});G=(G&&G.get)?G.get("element"):B.get(G);var E=this.get("element");if (!E){return false;}if (!F){return false;}if (E.parent!=F){if (G){F.insertBefore(E,G);}else{F.appendChild(E);}}this.fireEvent("appendTo",{type:"appendTo",target:F});return E;},get:function(E){var G=this._configs||{},F=G.element;if (F&&!G[E]&&!YAHOO.lang.isUndefined(F.value[E])){this._setHTMLAttrConfig(E);}return D.prototype.get.call(this,E);},setAttributes:function(K,H){var F={},I=this._configOrder;for (var J=0,E=I.length;J<E;++J){if (K[I[J]]!==undefined){F[I[J]]=true;this.set(I[J],K[I[J]],H);}}for (var G in K){if (K.hasOwnProperty(G)&&!F[G]){this.set(G,K[G],H);}}},set:function(F,H,E){var G=this.get("element");if (!G){this._queue[this._queue.length]=["set",arguments];if (this._configs[F]){this._configs[F].value=H;}return;}if (!this._configs[F]&&!YAHOO.lang.isUndefined(G[F])){this._setHTMLAttrConfig(F);}return D.prototype.set.apply(this,arguments);},setAttributeConfig:function(E,F,G){this._configOrder.push(E);D.prototype.setAttributeConfig.apply(this,arguments);},createEvent:function(F,E){this._events[F]=true;return D.prototype.createEvent.apply(this,arguments);},init:function(F,E){this._initElement(F,E);},destroy:function(){var E=this.get("element");YAHOO.util.Event.purgeElement(E,true);this.unsubscribeAll();if (E&&E.parentNode){E.parentNode.removeChild(E);}this._queue=[];this._events={};this._configs={};this._configOrder=[];},_initElement:function(G,F){this._queue=this._queue||[];this._events=this._events||{};this._configs=this._configs||{};this._configOrder=[];F=F||{};F.element=F.element||G||null;var I=false;var E=A.DOM_EVENTS;this.DOM_EVENTS=this.DOM_EVENTS||{};for (var H in E){if (E.hasOwnProperty(H)){this.DOM_EVENTS[H]=E[H];}}if (typeof F.element==="string"){this._setHTMLAttrConfig("id",{value:F.element});}if (B.get(F.element)){I=true;this._initHTMLElement(F);this._initContent(F);}YAHOO.util.Event.onAvailable(F.element,function(){if (!I){this._initHTMLElement(F);}this.fireEvent("available",{type:"available",target:B.get(F.element)});},this,true);YAHOO.util.Event.onContentReady(F.element,function(){if (!I){this._initContent(F);}this.fireEvent("contentReady",{type:"contentReady",target:B.get(F.element)});},this,true);},_initHTMLElement:function(E){this.setAttributeConfig("element",{value:B.get(E.element),readOnly:true});},_initContent:function(E){this.initAttributes(E);this.setAttributes(E,true);this.fireQueue();},_setHTMLAttrConfig:function(E,G){var F=this.get("element");G=G||{};G.name=E;G.setter=G.setter||this.DEFAULT_HTML_SETTER;G.getter=G.getter||this.DEFAULT_HTML_GETTER;G.value=G.value||F[E];this._configs[E]=new YAHOO.util.Attribute(G,this);}};YAHOO.augment(A,D);YAHOO.util.Element=A;})();YAHOO.register("element",YAHOO.util.Element,{version:"2.8.1",build:"19"});





//--------------------------------------------------------------------------------------------------
/*
 * Copyright (c) 2010, Yahoo! Inc. All rights reserved.
 * Code licensed under the BSD License:
 * http://developer.yahoo.com/yui/license.html
 * version: 2.8.1
 * 
 * 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
 * @namespace YAHOO
 */
//------------------------------------------------
YAHOO.namespace("deconcept");

YAHOO.deconcept = YAHOO.deconcept || {};

if (typeof YAHOO.deconcept.util == "undefined" || !YAHOO.deconcept.util) {
	YAHOO.deconcept.util = {};
}

if (typeof YAHOO.deconcept.SWFObjectUtil == "undefined" || !YAHOO.deconcept.SWFObjectUtil) {
	YAHOO.deconcept.SWFObjectUtil = {};
}

YAHOO.deconcept.SWFObject = function(E, C, K, F, H, J, L, G, A, D) {

	if (!document.getElementById) {
		return;
	}

	this.DETECT_KEY = D ? D : "detectflash";

	this.skipDetect = YAHOO.deconcept.util.getRequestParameter(this.DETECT_KEY);
	this.params = {};
	this.variables = {};
	this.attributes = [];

	if (E) {
		this.setAttribute("swf", E);
	}
	if (C) {
		this.setAttribute("id", C);
	}
	if (K) {
		this.setAttribute("width", K);
	}
	if (F) {
		this.setAttribute("height", F);
	}
	if (H) {
		this.setAttribute("version", new YAHOO.deconcept.PlayerVersion(H.toString().split(".")));
	}
	this.installedVer = YAHOO.deconcept.SWFObjectUtil.getPlayerVersion();
	if (!window.opera&&document.all && this.installedVer.major > 7) {
		YAHOO.deconcept.SWFObject.doPrepUnload = true;
	}
	if (J) {
		this.addParam("bgcolor", J);
	}

	var B = L ? L : "high";

	this.addParam("quality", B);
	this.setAttribute("useExpressInstall", false);
	this.setAttribute("doExpressInstall", false);

	var I = (G) ? G : window.location;this.setAttribute("xiRedirectUrl", I);

	this.setAttribute("redirectUrl", "");
	if (A) {
		this.setAttribute("redirectUrl", A);
	}
};

YAHOO.deconcept.SWFObject.prototype = {

	useExpressInstall: function(A) {
		this.xiSWFPath = !A ? "expressinstall.swf" : A;
		this.setAttribute("useExpressInstall", true);
	},

	setAttribute: function(A, B) {
		this.attributes[A] = B;
	},

	getAttribute: function(A) {
		return this.attributes[A];
	},

	addParam: function(A, B) {
		this.params[A] = B;
	},

	getParams: function() {
		return this.params;
	},

	addVariable: function(A, B) {
		this.variables[A] = B;
	},

	getVariable: function(A) {
		return this.variables[A];
	},

	getVariables: function() {
		return this.variables;
	},

	getVariablePairs: function() {
		var A = [];
		var B;
		var C = this.getVariables();
		for (B in C) {
			if (C.hasOwnProperty(B)) {
				A[A.length] = B + "=" + C[B];
			}
		}
		return A;
	},

	getSWFHTML: function() {
		var D = "";
		var C = {};
		var A = "";
		var B = "";
		if (navigator.plugins&&navigator.mimeTypes&&navigator.mimeTypes.length) {
			if (this.getAttribute("doExpressInstall")) {
				this.addVariable("MMplayerType", "PlugIn");
				this.setAttribute("swf", this.xiSWFPath);
			}
			D = '<embed type="application/x-shockwave-flash" src="' + this.getAttribute("swf") + '" width="'
				+ this.getAttribute("width") + '" height="' + this.getAttribute("height") + '" style="' + this.getAttribute("style") + '"';
			D += ' id="' + this.getAttribute("id") + '" name="' + this.getAttribute("id") + '" ';
			C = this.getParams();
			for (A in C) {
				if (C.hasOwnProperty(A)) {
					D += [A] + '="' + C[A] + '" ';
				}
			}
			B = this.getVariablePairs().join("&");
			if (B.length > 0) {
				D += 'flashvars="' + B + '"';
			}
			D += "/>";
		}
		else {
			if (this.getAttribute("doExpressInstall")) {
				this.addVariable("MMplayerType", "ActiveX");
				this.setAttribute("swf", this.xiSWFPath);
			}
			D = '<object id="' + this.getAttribute("id") + '" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="'
				+ this.getAttribute("width") + '" height="' + this.getAttribute("height") + '" style="' + this.getAttribute("style") + '">';
			D += '<param name="movie" value="' + this.getAttribute("swf") + '" />';
			C = this.getParams();
			for (A in C) {
				if (C.hasOwnProperty(A)) {
					D += '<param name="' + A + '" value="' + C[A] + '" />';
				}
			}
			B = this.getVariablePairs().join("&");
			if (B.length > 0) {
				D += '<param name="flashvars" value="' + B + '" />';
			}
			D += "</object>";
		}
		return D;
	},

	write: function(A) {
		if (this.getAttribute("useExpressInstall")) {
			var B = new YAHOO.deconcept.PlayerVersion([6, 0, 65]);
			if (this.installedVer.versionIsValid(B) && !this.installedVer.versionIsValid(this.getAttribute("version"))) {
				this.setAttribute("doExpressInstall", true);
				this.addVariable("MMredirectURL", escape(this.getAttribute("xiRedirectUrl")));
				document.title = document.title.slice(0, 47) + " - Flash Player Installation";
				this.addVariable("MMdoctitle", document.title);
			}
		}
		if (this.skipDetect || this.getAttribute("doExpressInstall") || this.installedVer.versionIsValid(this.getAttribute("version"))) {
			var C = (typeof A == "string") ? document.getElementById(A) : A;
			// TODO 2010/07/04 - Syogo Miyagawa.
			// C が null の場合は、処理を行わないように修正
			if (C) {
				C.innerHTML = this.getSWFHTML();
				return true;
			}
		}
		else {
			if (this.getAttribute("redirectUrl") !== ""){
				document.location.replace(this.getAttribute("redirectUrl"));
			}
		}
		return false;
	}
};

YAHOO.deconcept.SWFObjectUtil.getPlayerVersion = function() {

	var D = null;
	var C = new YAHOO.deconcept.PlayerVersion([0, 0, 0]);

	if (navigator.plugins&&navigator.mimeTypes.length) {
		var A = navigator.plugins["Shockwave Flash"];
		if (A && A.description) {
			C = new YAHOO.deconcept.PlayerVersion(A.description.replace(/([a-zA-Z]|\s)+/, "").replace(/(\s+r|\s+b[0-9]+)/, ".").split("."));
		}
	}
	else {
		if (navigator.userAgent&&navigator.userAgent.indexOf("Windows CE") >= 0) {
			var B = 3;
			while (D) {
				try {
					B++;
					D = new ActiveXObject("ShockwaveFlash.ShockwaveFlash." + B);
					C = new YAHOO.deconcept.PlayerVersion([B, 0, 0]);
				} catch (E) {
					D = null;
				}
			}
		}
		else {
			try {
				D = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
			} catch (E) {
				try {
					D = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
					C = new YAHOO.deconcept.PlayerVersion([6, 0, 21]);
					D.AllowScriptAccess = "always";
				} catch (E) {
					if (C.major == 6) {
						return C;
					}
				}
				try {
					D = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
				} catch (E) {}
			}
			if (D !== null) {
				C = new YAHOO.deconcept.PlayerVersion(D.GetVariable("$version").split(" ")[1].split(","));
			}
		}
	}
	return C;
};

YAHOO.deconcept.PlayerVersion = function(A) {

	this.major = A[0] !== null ? parseInt(A[0], 0) : 0;
	this.minor = A[1] !== null ? parseInt(A[1], 0) : 0;
	this.rev = A[2] !== null ? parseInt(A[2], 0) : 0;
};

YAHOO.deconcept.PlayerVersion.prototype.versionIsValid = function(A) {

	if (this.major < A.major) {
		return false;
	}
	if (this.major > A.major) {
		return true;
	}
	if (this.minor < A.minor) {
		return false;
	}
	if (this.minor > A.minor) {
		return true;
	}
	if (this.rev < A.rev) {
		return false;
	}
	return true;
};

YAHOO.deconcept.util = {

	getRequestParameter: function(D) {

		var C = document.location.search || document.location.hash;

		if (D === null) {
			return C;
		}
		if (C) {
			var B = C.substring(1).split("&");
			for (var A = 0; A < B.length; A++) {
				if (B[A].substring(0, B[A].indexOf("=")) == D) {
					return B[A].substring((B[A].indexOf("=") + 1));
				}
			}
		}
		return "";
	}
};

YAHOO.deconcept.SWFObjectUtil.cleanupSWFs = function() {

	var C = document.getElementsByTagName("OBJECT");
	
	for (var B = C.length - 1; B >= 0; B--) {
		C[B].style.display = "none";
		for (var A in C[B]) {
			if (typeof C[B][A] == "function") {
				C[B][A] = function(){};
			}
		}
	}
};

if (YAHOO.deconcept.SWFObject.doPrepUnload) {
	if (!YAHOO.deconcept.unloadSet) {
		YAHOO.deconcept.SWFObjectUtil.prepUnload = function() {

			__flash_unloadHandler = function() {};
			__flash_savedUnloadHandler = function() {};
			window.attachEvent("onunload", YAHOO.deconcept.SWFObjectUtil.cleanupSWFs);
		};
		window.attachEvent("onbeforeunload", YAHOO.deconcept.SWFObjectUtil.prepUnload);
		YAHOO.deconcept.unloadSet = true;
	}
}

if (!document.getElementById && document.all) {
	document.getElementById = function(A) {
		return document.all[A];
	};
}

YAHOO.widget.FlashAdapter = function(E, A, B, C) {

	this._queue = this._queue || [];
	this._events = this._events || {};
	this._configs = this._configs || {};
	B = B || {};
	this._id = B.id = B.id || YAHOO.util.Dom.generateId(null, "yuigen");
	B.version = B.version || "9.0.45";
	B.backgroundColor = B.backgroundColor || "#ffffff";
	this._attributes = B;
	this._swfURL = E;
	this._containerID = A;
	this._embedSWF(this._swfURL, this._containerID, B.id, B.version, B.backgroundColor, B.expressInstall, B.wmode, C);
	try {
		this.createEvent("contentReady");
	} catch (D) {}
};

YAHOO.widget.FlashAdapter.owners = YAHOO.widget.FlashAdapter.owners || {};

YAHOO.extend(YAHOO.widget.FlashAdapter, YAHOO.util.AttributeProvider,
	{
		_swfURL:null,
		_containerID:null,
		_swf:null,
		_id:null,
		_initialized:false,
		_attributes:null,
		toString: function() {
			return "FlashAdapter " + this._id;
		},
		destroy: function() {
			if (this._swf) {
				var B = YAHOO.util.Dom.get(this._containerID);
				B.removeChild(this._swf);
			}
			var A = this._id;
			for (var C in this) {
				if (YAHOO.lang.hasOwnProperty(this, C)) {
					this[C] = null;
				}
			}
		},
		_embedSWF: function(J, I, E, C, F, G, B, H) {

			var D = new YAHOO.deconcept.SWFObject(J, E, "100%", "100%", C, F);
			if (G) {
				D.useExpressInstall(G);
			}
			D.addParam("allowScriptAccess", "always");
			if (B) {
				D.addParam("wmode", B);
			}
			D.addParam("menu", "false");
			D.addVariable("allowedDomain", document.location.hostname);
			D.addVariable("YUISwfId", E);
			D.addVariable("YUIBridgeCallback", "YAHOO.widget.FlashAdapter.eventHandler");
			if (H) {
				D.addVariable("buttonSkin", H);
			}
			var A = YAHOO.util.Dom.get(I);
			var K = D.write(A);
			if (K) {
				this._swf = YAHOO.util.Dom.get(E);
				YAHOO.widget.FlashAdapter.owners[E] = this;
			}
			else {}
		},
		_eventHandler: function(B) {
			var A = B.type;
			switch (A) {
			case "swfReady":
				this._loadHandler();
				return;
			case "log":
				return;
			}
			this.fireEvent(A, B);
		},
		_loadHandler: function() {
			this._initialized = false;
			this._initAttributes(this._attributes);
			this.setAttributes(this._attributes, true);
			this._initialized = true;
			this.fireEvent("contentReady");
		},
		set: function(A, B) {
			this._attributes[A] = B;
			YAHOO.widget.FlashAdapter.superclass.set.call(this, A, B);
		},
		_initAttributes: function(A) {
			this.getAttributeConfig("altText",
				{
				method:this._getAltText
				}
			);
			this.setAttributeConfig("altText",
				{
				method:this._setAltText
				}
			);
			this.getAttributeConfig("swfURL",
				{
				method:this._getSWFURL
				}
			);
		},
		_getSWFURL: function() {
			return this._swfURL;
		},
		_getAltText: function() {
			return this._swf.getAltText();
		},
		_setAltText: function(A) {
			return this._swf.setAltText(A);
		}
	}
);

YAHOO.widget.FlashAdapter.eventHandler = function(A, B) {
	if (!YAHOO.widget.FlashAdapter.owners[A]) {
		setTimeout(function() {YAHOO.widget.FlashAdapter.eventHandler(A, B);}, 0);
	}
	else {
		YAHOO.widget.FlashAdapter.owners[A]._eventHandler(B);
	}
};

YAHOO.widget.FlashAdapter.proxyFunctionCount = 0;

YAHOO.widget.FlashAdapter.createProxyFunction = function(B) {

	var A = YAHOO.widget.FlashAdapter.proxyFunctionCount;

	YAHOO.widget.FlashAdapter["proxyFunction" + A] = function() {
		return B.apply(null, arguments);
	};
	YAHOO.widget.FlashAdapter.proxyFunctionCount++;
	return "YAHOO.widget.FlashAdapter.proxyFunction" + A.toString();
};

YAHOO.widget.FlashAdapter.removeProxyFunction = function(A) {
	if (!A || A.indexOf("YAHOO.widget.FlashAdapter.proxyFunction") < 0) {
		return;
	}
	A = A.substr(26);
	YAHOO.widget.FlashAdapter[A] = null;
};

YAHOO.widget.Uploader = function (A, B, D) {

	var C = "window";

	if (!(B) || (B && D)) {
		C = "transparent";
	}

	YAHOO.widget.Uploader.superclass.constructor.call(this,YAHOO.widget.Uploader.SWFURL, A, {wmode:C}, B);
	this.createEvent("mouseDown");
	this.createEvent("mouseUp");
	this.createEvent("rollOver");
	this.createEvent("rollOut");
	this.createEvent("click");
	this.createEvent("fileSelect");
	this.createEvent("uploadStart");
	this.createEvent("uploadProgress");
	this.createEvent("uploadCancel");
	this.createEvent("uploadComplete");
	this.createEvent("uploadCompleteData");
	this.createEvent("uploadError");
};

YAHOO.widget.Uploader.SWFURL="img/com/uploader.swf";

YAHOO.extend(
	YAHOO.widget.Uploader,
	YAHOO.widget.FlashAdapter,
	{
		upload: function (A, B, E, C, D) {
			this._swf.upload(A, B, E, C, D);
		},
		uploadThese: function (B, A, E, C, D) {
			this._swf.uploadThese(B, A, E, C, D);
		},
		uploadAll: function (A, D, B, C) {
			this._swf.uploadAll(A, D, B, C);
		},
		cancel: function (A) {
			this._swf.cancel(A);
		},
		clearFileList: function () {
			this._swf.clearFileList();
		},
		removeFile: function (A) {
			this._swf.removeFile(A);
		},
		setAllowLogging: function (A) {
			this._swf.setAllowLogging(A);
		},
		setSimUploadLimit: function (A) {
			this._swf.setSimUploadLimit(A);
		},
		setAllowMultipleFiles: function (A) {
			this._swf.setAllowMultipleFiles (A);
		},
		setFileFilters: function (A) {
			this._swf.setFileFilters(A);
		},
		enable: function () {
			this._swf.enable();
		},
		disable: function () {
			this._swf.disable();
		}
	}
);

YAHOO.register("uploader", YAHOO.widget.Uploader, {version:"2.8.1", build:"19"});





//--------------------------------------------------------------------------------------------------
/*
 * Lightbox JS: Fullsize Image Overlays 
 * by Lokesh Dhakar - http://www.huddletogether.com
 * 
 * For more information on this script, visit:
 * http://huddletogether.com/projects/lightbox/
 * 
 * Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
 * (basically, do anything you want, just leave my name and link)
 * 
 * Table of Contents
 * -----------------
 * Configuration
 * 
 * Functions
 * - getPageScroll()
 * - getPageSize()
 * - pause()
 * - getKey()
 * - listenKey()
 * - showLightbox()
 * - hideLightbox()
 * - initLightbox()
 * - addLoadEvent()
 * 
 * // TODO 2010/05/15 - Syogo Miyagawa.
 * // 関数追加
 * - nextPicture()
 * - beforePicture()
 * 
 * Function Calls
 * - addLoadEvent(initLightbox)
 */
//------------------------------------------------
// Configuration
// If you would like to use a custom loading image or close button reference them in the next two lines.
// TODO 2010/04/23 - Syogo Miyagawa.
// 規約に基づくファイル名に変更しました。
var g_picLoadingImage = "img/com/lboxLoading.gif";
var g_picCloseButton = "img/com/lboxClose.gif";
var g_objLink;

//------------------------------------------------
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
// TODO 2010/05/15 - Syogo Miyagawa.
// これは恐らくスクロールされたＴＯＰの位置を取得する関数です。
// 手を入れる事はまずないでしょう。
function getPageScroll() {
	var yScroll;
	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	}
	// Explorer 6 Strict
	else if (document.documentElement && document.documentElement.scrollTop) {
		yScroll = document.documentElement.scrollTop;
	}
	// all other Explorers
	else if (document.body) {
		yScroll = document.body.scrollTop;
	}
	arrayPageScroll = new Array("", yScroll);
	return arrayPageScroll;
}

//------------------------------------------------
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
// TODO 2010/05/15 - Syogo Miyagawa.
// これは恐らくウィンドウの有効サイズを取得してセンタリングする関数です。
// 手を入れる事はまずないでしょう。
function getPageSize() {

	var xScroll;
	var yScroll;

	if (window.innerHeight && window.scrollMaxY) {
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	}
	// all but Explorer Mac
	else if (document.body.scrollHeight > document.body.offsetHeight) {
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	}
	// Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
	else {
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}

	var windowWidth;
	var windowHeight;

	// all except Explorer
	if (self.innerHeight) {
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	}
	// Explorer 6 Strict Mode
	else if (document.documentElement && document.documentElement.clientHeight) {
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	}
	// other Explorers
	else if (document.body) {
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}

	// for small pages with total height less then height of the viewport
	if (yScroll < windowHeight) {
		pageHeight = windowHeight;
	} else {
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if (xScroll < windowWidth) {
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}

	arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight);
	return arrayPageSize;
}

//------------------------------------------------
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Code from http://www.faqts.com/knowledge_base/view.phtml/aid/1602
// TODO 2010/05/15 - Syogo Miyagawa.
// 何故ポーズが必要かはどうでもいいのですが、変更しないように気をつけましょう。
// 手を入れる事はまずないでしょう。
function pause(numberMillis) {
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true) {
		now = new Date();
		if (now.getTime() > exitTime) {
			return;
		}
	}
}

//------------------------------------------------
// getKey(key)
// Gets keycode. If "x" is pressed then it hides the lightbox.
// TODO 2010/05/15 - Syogo Miyagawa.
// 表示時のキー対応関数です。
function getKey(e) {
	// ie
	if (e == null) {
		keycode = event.keyCode;
	}
	// mozilla
	else {
		keycode = e.which;
	}
	key = String.fromCharCode(keycode).toLowerCase();

	// TODO 2010/05/15 - Syogo Miyagawa.
	// n:次ページがある場合はスライドする
	// b:前ページがある場合はスライドする
	// という機能を追加
	switch (key) {
	case "x":
		hideLightbox();
		break;
	case "n":
		nextPicture();
		break;
	case "b":
		beforePicture();
		break;
	}
}

//------------------------------------------------
// listenKey()
// TODO 2010/05/15 - Syogo Miyagawa.
// 見ての通り、手を入れる個所がありません。
function listenKey () {
	document.onkeypress = getKey;
}

//------------------------------------------------
// showLightbox()
// Preloads images. Pleaces new image in lightbox then centers and displays.
// TODO 2010/05/15 - Syogo Miyagawa.
// LightBox を表示する関数です。
// 重要な関数なので手を加える際には、最新の注意を払いましょう。
function showLightbox(objLink) {

	// prep objects
	var objOverlay = document.getElementById("overlay");
	var objLightbox = document.getElementById("lightbox");
	var objLightboxLink = document.getElementById("lightboxLink");
	var objCaption = document.getElementById("lightboxCaption");
	var objImage = document.getElementById("lightboxImage");
	var objLoadingImage = document.getElementById("loadingImage");
	var objLightboxDetails = document.getElementById("lightboxDetails");
	var objKeyboardMsg = document.getElementById("keyboardMsg");

	// TODO 2010/04/23 - Syogo Miyagawa.
	// ヘッダーメニューとタイトルの Flash を隠します。
	document.getElementById("fshMenu").style.visibility = "hidden";
	document.getElementById("fshTitle").style.visibility = "hidden";

	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// center loadingImage if it exists
	if (objLoadingImage) {
		objLoadingImage.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - objLoadingImage.height) / 2) + "px");
		objLoadingImage.style.left = (((arrayPageSize[0] - 20 - objLoadingImage.width) / 2) + "px");
		objLoadingImage.style.display = "block";
	}

	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + "px");
	objOverlay.style.display = "block";

	// preload image
	imgPreload = new Image();

	imgPreload.onload = function() {

		objImage.src = objLink.href;

		// center lightbox and make sure that the top and left values are not negative
		// and the image placed outside the viewport
		var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - imgPreload.height) / 2);
		var lightboxLeft = ((arrayPageSize[0] - 20 - imgPreload.width) / 2);
		
		objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
		objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";

		objLightboxDetails.style.width = imgPreload.width + "px";

		if (objLink.getAttribute("title")) {
			objCaption.style.display = "block";
			objCaption.innerHTML = objLink.getAttribute("title");
		} else {
			objCaption.style.display = "none";
		}

		// A small pause between the image loading and displaying is required with IE,
		// this prevents the previous image displaying for a short burst causing flicker.
		if (navigator.appVersion.indexOf("MSIE") != -1) {
			pause(250);
		}

		if (objLoadingImage) {
			objLoadingImage.style.display = "none";
		}

		// Hide select boxes as they will "peek" through the image in IE
		selects = document.getElementsByTagName("select");
		for (i = 0; i != selects.length; i++) {
			selects[i].style.visibility = "hidden";
		}

		objLightbox.style.display = "block";

		// After image is loaded, update the overlay height as the new image might have
		// increased the overall page height.
		arrayPageSize = getPageSize();
		objOverlay.style.height = (arrayPageSize[1] + "px");

		// スライド対象が見つかった場合は、メッセージを変更
		if (g_lang == "en") {
			objLightboxLink.setAttribute("title", "");
			objKeyboardMsg.innerHTML = "<a href='#' onclick='hideLightbox(); return false;'><kbd>close</kbd></a>";
		} else {
			objLightboxLink.setAttribute("title", "");
			objKeyboardMsg.innerHTML = "<a href='#' onclick='hideLightbox(); return false;'><kbd>閉じる</kbd></a>";
		}
		var anchors = document.getElementsByTagName("a");
		for (var i=0; i < anchors.length; i++) {
			var anchor = anchors[i];
			if (anchor.getAttribute("rev") == objLink.getAttribute("href")) {
				if (g_lang == "en") {
					objLightboxLink.setAttribute("title", "click to next picture !");
					objKeyboardMsg.innerHTML = "<a href='#' onclick='nextPicture(); return false;'><kbd>next picture</kbd></a>";
				} else {
					objLightboxLink.setAttribute("title", "クリックすると次の画像を表示します！");
					objKeyboardMsg.innerHTML = "<a href='#' onclick='nextPicture(); return false;'><kbd>次の画像</kbd></a>";
				}
				break;
			}
		}

		// 設定中のオブジェクトを保存
		g_objLink = objLink;
		// Check for "x" keypress
		listenKey();
		// オーバーレイのクリック動作を設定
		objOverlay.onclick = function() { hideLightbox(); return false; }

		return false;
	}

	imgPreload.src = objLink.href;
}

//------------------------------------------------
// hideLightbox()
// TODO 2010/05/15 - Syogo Miyagawa.
// LightBoxを閉じる関数です。
function hideLightbox() {
	// TODO 2010/04/23 - Syogo Miyagawa.
	// ヘッダーメニューとタイトルの Flash を表示します。
	document.getElementById("fshMenu").style.visibility = "visible";
	document.getElementById("fshTitle").style.visibility = "visible";

	// get objects
	objOverlay = document.getElementById("overlay");
	objLightbox = document.getElementById("lightbox");

	// hide lightbox and overlay
	objOverlay.style.display = "none";
	objLightbox.style.display = "none";

	// make select boxes visible
	selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}

	// disable keypress listener
	document.onkeypress = "";
}

//------------------------------------------------
// initLightbox()
// Function runs on window load, going through link tags looking for rel="lightbox".
// These links receive onclick events that enable the lightbox display for their targets.
// The function also inserts html markup at the top of the page which will be used as a
// container for the overlay pattern and the inline image.
// TODO 2010/05/15 - Syogo Miyagawa.
// LightBox 対応タグを設定する関数です。
// 重要な関数なので手を加える際には、最新の注意を払いましょう。
function initLightbox() {

	if (!document.getElementsByTagName) {
		return;
	}

	// LightBox 対応リンクを初期化
	var anchors = document.getElementsByTagName("a");
	// loop through all anchor tags
	for (var i=0; i < anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && (anchor.getAttribute("rel") == "lightbox")) {
			anchor.onclick = function() { showLightbox(this); return false; }
		}
	}

	// TODO 2010/05/10 - Syogo Miyagawa.
	// areaタグにも対応するように追加
	anchors = document.getElementsByTagName("area");
	// loop through all anchor tags
	for (var i=0; i<anchors.length; i++){
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && (anchor.getAttribute("rel") == "lightbox")) {
			anchor.onclick = function() { showLightbox(this); return false; }
		}
	}

	var objBody = document.getElementsByTagName("body").item(0);

	// オーバーレイの生成
	// create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)
	var objOverlay = document.createElement("div");
	objOverlay.setAttribute("id", "overlay");
	objOverlay.onclick = function() { return false; }
	objOverlay.style.display = "none";
	objOverlay.style.position = "absolute";
	objOverlay.style.top = "0";
	objOverlay.style.left = "0";
	objOverlay.style.zIndex = "90";
 	objOverlay.style.width = "100%";
	objBody.insertBefore(objOverlay, objBody.firstChild);

	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// ロードイメージを生成
	// preload and create loader image
	var imgPreloader = new Image();
	// if loader image found, create link to hide lightbox and create loadingimage
	imgPreloader.onload = function() {

		var objLoadingImageLink = document.createElement("a");
		objLoadingImageLink.setAttribute("href", "#");
		objLoadingImageLink.onclick = function() { return false; }
		objOverlay.appendChild(objLoadingImageLink);

		var objLoadingImage = document.createElement("img");
		objLoadingImage.src = g_picLoadingImage;
		objLoadingImage.setAttribute("id", "loadingImage");
		objLoadingImage.style.position = "absolute";
		objLoadingImage.style.zIndex = "150";
		objLoadingImageLink.appendChild(objLoadingImage);

		// clear onLoad, as IE will flip out w/animated gifs
		imgPreloader.onload = function() { return false; };
		return false;
	}
	imgPreloader.src = g_picLoadingImage;

	// LightBox 本体を生成
	// create lightbox div, same note about styles as above
	var objLightbox = document.createElement("div");
	objLightbox.setAttribute("id", "lightbox");
	objLightbox.style.display = "none";
	objLightbox.style.position = "absolute";
	objLightbox.style.zIndex = "100";
	objBody.insertBefore(objLightbox, objOverlay.nextSibling);

	// 閉じるボタンを生成
	// preload and create close button image
	var imgPreloadCloseButton = new Image();
	// if close button image found,
	imgPreloadCloseButton.onload = function() {

		var objCloseButtonLink = document.createElement("a");
		objCloseButtonLink.setAttribute("href", "#");
		objCloseButtonLink.onclick = function() { hideLightbox(); return false; }
		objLightbox.appendChild(objCloseButtonLink);

		var objCloseButton = document.createElement("img");
		objCloseButton.src = g_picCloseButton;
		objCloseButton.setAttribute("id", "closeButton");
		if (g_lang == "en") {
			objCloseButton.setAttribute("title", "click to close");
		} else {
			objCloseButton.setAttribute("title", "ここをクリックすると閉じます");
		}
		objCloseButton.style.position = "absolute";
		objCloseButton.style.zIndex = "200";
		objCloseButtonLink.appendChild(objCloseButton);

		return false;
	}
	imgPreloadCloseButton.src = g_picCloseButton;

	// 恐らくこれは全体を囲んでるリンク
	// create link
	var objLink = document.createElement("a");
	objLink.setAttribute("id", "lightboxLink");
	objLink.setAttribute("href", "#");
	objLink.onclick = function() { nextPicture(); return false; }
	objLightbox.appendChild(objLink);

	// create image
	var objImage = document.createElement("img");
	objImage.setAttribute("id", "lightboxImage");
	objLink.appendChild(objImage);

	// フッターを生成
	// create details div, a container for the caption and keyboard message
	var objLightboxDetails = document.createElement("div");
	objLightboxDetails.setAttribute("id", "lightboxDetails");
	objLightbox.appendChild(objLightboxDetails);
	// create caption
	var objCaption = document.createElement("div");
	objCaption.setAttribute("id", "lightboxCaption");
	objCaption.style.display = "none";
	objLightboxDetails.appendChild(objCaption);
	// create keyboard message
	var objKeyboardMsg = document.createElement("div");
	objKeyboardMsg.setAttribute("id", "keyboardMsg");
	objLightboxDetails.appendChild(objKeyboardMsg);
}

//------------------------------------------------
// TODO 2010/05/15 - Syogo Miyagawa.
// 追加関数、次の画像を表示します。
function nextPicture() {
	// 対象リンクを検索
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i < anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("rev") == g_objLink.getAttribute("href")) {
			showLightbox(anchor);
			break;
		}
	}
}

//------------------------------------------------
// TODO 2010/05/15 - Syogo Miyagawa.
// 追加関数、前の画像を表示します。
function beforePicture() {
	// 対象リンクを検索
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i < anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") == g_objLink.getAttribute("rev")) {
			showLightbox(anchor);
			break;
		}
	}
}

//------------------------------------------------
// addLoadEvent()
// Adds event to window.onload without overwriting currently assigned onload functions.
// Function found at Simon Willison's weblog - http://simon.incutio.com/
// TODO 2010/05/15 - Syogo Miyagawa.
// LightBoxに対応するタグをonloadで設定するイベントですが、
// Ajax で動的に読み込んだページでLightBoxを使用する場合は、再設定が必要なため全く役に立ってません。
// ぶっちゃけ邪魔なだけです。
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != "function") {
    	window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

// TODO 2010/04/23 - Syogo Miyagawa.
// ここ上手く動いていないので、common.js で 直接 initLightbox() を起動します。
//addLoadEvent(initLightbox);	// run initLightbox onLoad





//--------------------------------------------------------------------------------------------------
// TODO 2010/06/29 - Syogo Miyagawa.
// １．ネスト呼び出しに対応
// TODO 2010/06/27 - Syogo Miyagawa.
// ０．清書
// １．type 属性を windows に固定したので削除
// ２．GET を POST に変更
/*
 * LITBox JS:
 */
//------------------------------------------------
var LITBOX_COUNTER = 0;

LITBox = Class.create();

LITBox.prototype = {

	initialize: function(url, param) {
		this.url = url;
		this.param = param;
		this.options = Object.extend(
			{
			width:600,
			height:500,
			top:false,
			left:false,
			lang:"jp",
			func:null,
			draggable:true,
			resizable:true,
			overlay:true,
			opacity:1,
			beforeCall:null,
			afterCall:null
			},
			arguments[2] || {}
		);
		this.setup();
	},

	setup: function() {

		// TODO 2010/05/08 - Syogo Miyagawa.
		// ヘッダーメニューとタイトルの Flash を隠します。
		LITBOX_COUNTER++;
		document.getElementById("fshMenu").style.visibility = "hidden";
		document.getElementById("fshTitle").style.visibility = "hidden";

		this.rn = (Math.floor(Math.random() * 100000000 + 1));

		this.getWindow();

		var hr = new XMLHttpRequest();

		if (this.url != "") {
			hr.open("POST", this.url, false);
			hr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;");
			// IE8 以降対応
			// タイムアウトを１０秒に設定
			if (hr.timeout != null) {
				hr.timeout = 10000;
				var lang = this.options.lang;
				hr.ontimeout = function(lang) {
					switch (lang) {
					default:
						alert("混雑している為、中断されました。\n再度実行してください_(._.)_");
						break;
					}
				};
			}
			hr.send(this.param);
			this.d4.innerHTML = hr.responseText;
		}

		this.display();

		// TODO 2010/05/17 - Syogo Miyagawa.
		// セットアップ終了後に beforeCall を呼び出すように変更
		if (this.options.beforeCall) {
			this.options.beforeCall();
		}
	},

	getWindow: function() {
		this.over = null;
		if (this.options.overlay == true) {
			this.d = document.createElement('div');
			document.body.appendChild(this.d);
			this.d.className = 'LB_overlay';
			this.d.style.display = 'block';
			this.d.options = this.options;
			this.d.onclick = this.remove;
		}
		this.d2 = document.createElement('div');
		document.body.appendChild(this.d2);
		this.d2.className = 'LB_window';
		this.d2.style.height = parseInt(this.options.height) + 'px';

		this.d3 = document.createElement('div');
		this.d2.appendChild(this.d3);
		this.d3.className = 'LB_closeAjaxWindow';
		this.d3.d2 = this.d2;
		this.d3.over = this.over;
		this.d3.options = this.options;
		this.d3.onmouseover = this.getDraggable;
		this.d3.onmouseout = this.dropDraggable;
		this.close = document.createElement('a');
		this.d3.appendChild(this.close);
		this.close.id = "closeLITBox" + LITBOX_COUNTER;
		this.close.d = this.d;
		this.close.d2 = this.d2;
		this.close.options = this.options;
		this.close.onclick = this.remove;
		this.close.href = '#';
		this.close.innerHTML = '×';
		this.d4 = document.createElement('div');
		this.d4.className = 'LB_content';
		this.d4.style.height = parseInt(this.options.height) - 30 + 'px';
		this.d4.style.width = parseInt(this.options.width) + 'px';
		this.d2.appendChild(this.d4);
		this.clear = document.createElement('div');
		this.d2.appendChild(this.clear);
		this.clear.style.clear = 'both';
		if (this.options.resizable) {
			this.d5 = document.createElement('div');
			this.d2.appendChild(this.d5);
			this.d5.className = 'LB_resize';
			this.d5.d2 = this.d2;
			this.d5.d2.d4 = this.d4;
			this.d5.over = this.over;
			this.d5.options = this.options;
			this.d5.onmouseover = this.getResizer;
			this.d5.onmouseout = this.dropResizer;
		}
		if (this.options.overlay == true) {
			this.d.d = this.d;
			this.d.d2 = this.d2;
		}
	},

	getDraggable: function() {
		if (this.options.draggable) {
			if (this.resize) {
				this.resize.destroy();
			}
			if (!this.drag || (this.drag && !this.drag.dragging)) {
				this.drag = new Draggable(this.d2, {});
			}
		}
	},

	getResizer: function() {
		if (this.options.resizable) {
			if (this.drag) {
				this.drag.destroy();
			}
			if (!this.resize || (this.resize && !this.resize.dragging)) {
				this.resize = new Resizer(this.d2, {});
			}
		}
	},

	dropDraggable: function() {
		if (this.options.draggable) {
			if (!this.drag.dragging && this.drag) {
				this.drag.destroy();
			}
		}
	},

	dropResizer: function() {
		if (this.options.resizable) {
			if (!this.resize.dragging && this.resize) {
				this.resize.destroy();
			}
		}
	},

	display: function() {
		Element.setOpacity(this.d2, 0);
		this.position();
		new Effect.Opacity(this.d2, {from:0, to:this.options.opacity, duration:.5});
	},

	position: function() {
		var de = document.documentElement;
		var w = self.innerWidth || (de && de.clientWidth) || document.body.clientWidth;
		var h = self.innerHeight || (de && de.clientHeight) || document.body.clientHeight;

		if (window.innerHeight && window.scrollMaxY) {
			yScroll = window.innerHeight + window.scrollMaxY;
		}
		// all but Explorer Mac
		else if (document.body.scrollHeight > document.body.offsetHeight) {
			yScroll = document.body.scrollHeight;
		}
		// Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		else {
			yScroll = document.body.offsetHeight;
		}
		this.d2.style.width = this.options.width + 'px';
		this.d2.style.display = 'block';
		if (!this.options.left || this.options.left < 0) {
			this.d2.style.left = ((w - this.options.width) / 2) + "px";
		}
		else {
			this.d2.style.left = parseInt(this.options.left) + 'px';
		}
		
		var pagesize = this.getPageSize();
		var arrayPageScroll = this.getPageScrollTop();
		if (this.d2.offsetHeight > h - 100) {
			if (!this.options.top || this.options.top < 0) {
				this.d2.style.top = "45px";
			}
			else {
				this.d2.style.top = parseInt(this.options.top) + 'px';
			}
			var nH = h - 100;
			if (nH < 100) {
				nH = 100
			}
			this.d2.style.height = nH + 'px';
			this.d4.style.overflow = 'auto';
		}
		else {
			if (!this.options.top || this.options.top < 0) {
				this.d2.style.top = (arrayPageScroll[1] + ((pagesize[1] - this.d2.offsetHeight) / 2)) + "px";
			}
			else{
				this.d2.style.top = parseInt(this.options.top) + 'px';
			}
		}
		if (this.d) {
			this.d.style.height = yScroll + "px";
		}
	},

	remove: function() {

		// TODO 2010/07/04 - Syogo Miyagawa.
		// 閉じる前に afterCall を呼び出すように変更
		if (this.options.afterCall) {
			this.options.afterCall();
		}

		if (this.temp) {
			this.temp();
		}

		new Effect.Opacity(this.d2, {from:1, to:0, duration:.5});

		if (this.d) {
			new Effect.Opacity(this.d, {from:.6, to:0, duration:.5});
			Element.remove(this.d);
		}
		Element.remove(this.d2);

		// TODO 2010/04/23 - Syogo Miyagawa.
		// ヘッダーメニューとタイトルの Flash を表示します。
		LITBOX_COUNTER--;
		if (LITBOX_COUNTER <= 0) {
			document.getElementById("fshMenu").style.visibility = "visible";
			document.getElementById("fshTitle").style.visibility = "visible";
		}

		return false;
	},

	parseQuery: function(query) {
		var Params = new Object ();
		if (!query) {
			return Params;
		}
		var Pairs = query.split(/[;&]/);
		for (var i = 0; i < Pairs.length; i++) {
			var KeyVal = Pairs[i].split('=');
			if (!KeyVal || KeyVal.length != 2) { continue; }
			var key = unescape(KeyVal[0]);
			var val = unescape(KeyVal[1]);
			val = val.replace(/\+/g, ' ');
			Params[key] = val;
		}
		return Params;
	},

	getPageScrollTop: function() {
		var yScrolltop;
		if (self.pageYOffset) {
			yScrolltop = self.pageYOffset;
		}
		else if (document.documentElement && document.documentElement.scrollTop) {
			yScrolltop = document.documentElement.scrollTop;
		}
		else if (document.body) {
			yScrolltop = document.body.scrollTop;
		}
		arrayPageScroll = new Array('', yScrolltop);
		return arrayPageScroll;
	},

	getPageSize: function() {
		var de = document.documentElement;
		var w = self.innerWidth || (de && de.clientWidth) || document.body.clientWidth;
		var h = self.innerHeight || (de && de.clientHeight) || document.body.clientHeight;
		arrayPageSize = new Array(w, h);
		return arrayPageSize;
	}
};

var Resizers = {

	drags:[],
	observers:[],

	register: function(draggable) {
		if (this.drags.length == 0) {
			this.eventMouseUp = this.endDrag.bindAsEventListener(this);
			this.eventMouseMove = this.updateDrag.bindAsEventListener(this);
			this.eventKeypress = this.keyPress.bindAsEventListener(this);
			Event.observe(document, "mouseup", this.eventMouseUp);
			Event.observe(document, "mousemove", this.eventMouseMove);
			Event.observe(document, "keypress", this.eventKeypress);
			this.drags.push(draggable);
		}
	},

	unregister: function(draggable) {
		this.drags = this.drags.reject(function(d) { return d == draggable});
		if (this.drags.length == 1) {
			this.drags.pop();
		}
		if (this.drags.length == 0) {
			Event.stopObserving(document, "mouseup", this.eventMouseUp);
			Event.stopObserving(document, "mousemove", this.eventMouseMove);
			Event.stopObserving(document, "keypress", this.eventKeypress);
		}
	},

	activate: function(draggable) {
		// allows keypress events if window isn't currently focused, fails for Safari
		window.focus();
		this.activeDraggable = draggable;
	},

	deactivate: function() {
		this.activeDraggable = null;
	},
	
	updateDrag: function(event) {
		if (!this.activeDraggable) {
			return;
		}
		var pointer = [Event.pointerX(event), Event.pointerY(event)];
		// Mozilla-based browsers fire successive mousemove events with
		// the same coordinates, prevent needless redrawing (moz bug?)
		if (this._lastPointer && (this._lastPointer.inspect() == pointer.inspect())) {
			return;
		}
		this._lastPointer = pointer;
		this.activeDraggable.updateDrag(event, pointer);
	},

	endDrag: function(event) {
		if (!this.activeDraggable) {
			return;
		}
		this._lastPointer = null;
		this.activeDraggable.endDrag(event);
		this.activeDraggable = null;
	},

	keyPress: function(event) {
		if (!this.activeDraggable) {
			return;
		}
		this.activeDraggable.keyPress(event);
	},

	addObserver: function(observer) {
		this.observers.push(observer);
		this._cacheObserverCallbacks();
	},

	removeObserver: function(element) {
		// element instead of observer fixes mem leaks
		this.observers = this.observers.reject(function(o) { return o.element == element });
		this._cacheObserverCallbacks();
	},

	notify: function(eventName, draggable, event) {
		// "onStart", "onEnd", "onDrag"
		if (this[eventName + "Count"] > 0) {
			this.observers.each(
				function(o) {
					if (o[eventName]) { o[eventName](eventName, draggable, event) };
				}
			);
		}
	},

	_cacheObserverCallbacks: function() {
		["onStart", "onEnd", "onDrag"].each(
			function(eventName) {
				Resizers[eventName + "Count"] = Resizers.observers.select(
					function(o) { return o[eventName]; }
				).length;
			}
		);
	}
};

var Resizer = Class.create();

Resizer.prototype = {
	initialize: function(element) {
		this.offset = Array();
		var options = Object.extend(
			{
			handle:false,

			reverteffect: function(element, top_offset, left_offset) {
				var dur = Math.sqrt(Math.abs(top_offset ^ 2) + Math.abs(left_offset ^ 2)) * 0.02;
				element._revert = new Effect.Move(element, { x:-left_offset, y:-top_offset, duration:dur});
			},

			zindex:1000,
			revert:false,
			scroll:false,
			scrollSensitivity:20,
			scrollSpeed:15,
			// false, or xy or [x,y] or function(x,y){ return [x,y] }
			snap:false
			},
			arguments[2] || {}
		);
		this.element = $(element);

		if (options.handle && (typeof options.handle == 'string')) {
			var h = Element.childrenWithClassName(this.element, options.handle, true);
			if (h.length > 0) { this.handle = h[0]; }
		}
		if (!this.handle) { this.handle = $(options.handle); }
		if (!this.handle) { this.handle = this.element; }

		if (options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) {
			options.scroll = $(options.scroll);
		}

		// fix IE
		Element.makePositioned(this.element);

		this.delta = this.currentDelta();
		this.options = options;
		this.dragging = false;

		this.oHeight = parseInt(this.element.style.height);
		this.oWidth = parseInt(this.element.style.width);

		this.eventMouseDown = this.initDrag.bindAsEventListener(this);
		Event.observe(this.handle, "mousedown", this.eventMouseDown);

		Resizers.register(this);
	},

	destroy: function() {
		Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);
		Resizers.unregister(this);
	},

	currentDelta: function() {
		return([
		parseInt(Element.getStyle(this.element, 'width') || '0'),
		parseInt(Element.getStyle(this.element, 'height') || '0')]);
	},

	initDrag: function(event) {
		if (Event.isLeftClick(event)) {
			// abort on form elements, fixes a Firefox issue
			var src = Event.element(event);
			if (src.tagName
				&& (src.tagName=='INPUT'
					|| src.tagName=='SELECT'
					|| src.tagName=='OPTION'
					|| src.tagName=='BUTTON'
					|| src.tagName=='TEXTAREA')) {
				return;
			}

			if (this.element._revert) {
				this.element._revert.cancel();
				this.element._revert = null;
			}

			var pointer = [Event.pointerX(event), Event.pointerY(event)];
			var pos = Position.cumulativeOffset(this.element);

			this.offset[0] = pointer[0];
			this.offset[1] = pointer[1];
			Resizers.activate(this);
			Event.stop(event);
		}
	},

	startDrag: function(event) {
		this.dragging = true;

		if (this.options.zindex) {
			this.originalZ = parseInt(Element.getStyle(this.element, 'z-index') || 0);
			this.element.style.zIndex = this.options.zindex;
		}

		if (this.options.ghosting) {
			this._clone = this.element.cloneNode(true);
			Position.absolutize(this.element);
			this.element.parentNode.insertBefore(this._clone, this.element);
		}

		Resizers.notify('onStart', this, event);
		if (this.options.starteffect) {
			this.options.starteffect(this.element);
		}
	},

	updateDrag: function(event, pointer) {
		if (!this.dragging) {
			this.startDrag(event);
		}
		Position.prepare();
		Resizers.notify('onDrag', this, event);
		this.draw(pointer);
		if (this.options.change) {
			this.options.change(this);
		}
		if (this.options.scroll) {
			this.stopScrolling();
			var p;
			if (this.options.scroll == window) {
				with (this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; }
			}
			else {
				p = Position.page(this.options.scroll);
				p[0] += this.options.scroll.scrollLeft;
				p[1] += this.options.scroll.scrollTop;
				p.push(p[0] + this.options.scroll.offsetWidth);
				p.push(p[1] + this.options.scroll.offsetHeight);
			}
			var speed = [0,0];
			if (pointer[0] < (p[0] + this.options.scrollSensitivity)) { speed[0] = pointer[0] - (p[0] + this.options.scrollSensitivity); }
			if (pointer[1] < (p[1] + this.options.scrollSensitivity)) { speed[1] = pointer[1] - (p[1] + this.options.scrollSensitivity); }
			if (pointer[0] > (p[2] - this.options.scrollSensitivity)) { speed[0] = pointer[0] - (p[2] - this.options.scrollSensitivity); }
			if (pointer[1] > (p[3] - this.options.scrollSensitivity)) { speed[1] = pointer[1] - (p[3] - this.options.scrollSensitivity); }
			this.startScrolling(speed);
		}
		// fix AppleWebKit rendering
		if (navigator.appVersion.indexOf('AppleWebKit') > 0) {
			window.scrollBy(0,0);
		}
		Event.stop(event);
	},

	finishDrag: function(event, success) {
		this.dragging = false;
		if (this.options.ghosting) {
			Position.relativize(this.element);
			Element.remove(this._clone);
			this._clone = null;
		}

		Resizers.notify('onEnd', this, event);

		var revert = this.options.revert;
		if (revert && typeof revert == 'function') {
			revert = revert(this.element);
		}
		
		var d = this.currentDelta();
		if (revert && this.options.reverteffect) {
			this.options.reverteffect(this.element, d[1] - this.delta[1], d[0] - this.delta[0]);
		}
		else {
			this.delta = d;
		}

		//if (this.options.zindex)
		this.element.style.zIndex = this.originalZ;

		if (this.options.endeffect) {
			this.options.endeffect(this.element);
		}

		Resizers.deactivate(this);
		//Resizers.reset();
	},

	keyPress: function(event) {
		if (event.keyCode != Event.KEY_ESC) {
			return;
		}
		this.finishDrag(event, false);
		Event.stop(event);
	},

	endDrag: function(event) {
		if (!this.dragging) {
			return;
		}
		this.stopScrolling();
		this.finishDrag(event, true);
		Event.stop(event);
		this.oWidth = parseInt(this.element.style.width);
		this.oHeight = parseInt(this.element.style.height);
	},

	draw: function(point) {
		var pos = Position.cumulativeOffset(this.element);
		var d = this.currentDelta();
		pos[0] -= d[0];
		pos[1] -= d[1];
		var p = new Array();

		p[0] = this.oWidth + point[0] - this.offset[0];
		p[1] = this.oHeight + point[1] - this.offset[1];

		var style = this.element.style;
		if ((!this.options.constraint) || (this.options.constraint == 'horizontal')) {
			style.width = p[0] + "px";
			this.element.d4.style.width = p[0] + 'px';
		}
		if ((!this.options.constraint) || (this.options.constraint=='vertical')) {
			style.height = p[1] + "px";
			this.element.d4.style.height = p[1] - 30 + 'px';
		}
		if (style.visibility == "hidden") {
			// fix gecko rendering
			style.visibility = "";
		}
	},

	stopScrolling: function() {
		if (this.scrollInterval) {
			clearInterval(this.scrollInterval);
			this.scrollInterval = null;
			Resizers._lastScrollPointer = null;
		}
	},

	startScrolling: function(speed) {
		this.scrollSpeed = [ speed[0] * this.options.scrollSpeed, speed[1] * this.options.scrollSpeed];
		this.lastScrolled = new Date();
		this.scrollInterval = setInterval(this.scroll.bind(this), 10);
	},

	scroll: function() {
		var current = new Date();
		var delta = current - this.lastScrolled;
		this.lastScrolled = current;
		if (this.options.scroll == window) {
			with (this._getWindowScroll(this.options.scroll)) {
				if (this.scrollSpeed[0] || this.scrollSpeed[1]) {
					var d = delta / 1000;
					this.options.scroll.scrollTo(left + d*this.scrollSpeed[0], top + d*this.scrollSpeed[1]);
				}
			}
		}
		else {
			this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;
			this.options.scroll.scrollTop += this.scrollSpeed[1] * delta / 1000;
		}

		Position.prepare();
		Resizers.notify('onDrag', this);
		Resizers._lastScrollPointer = Resizers._lastScrollPointer || $A(Resizers._lastPointer);
		Resizers._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;
		Resizers._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;
		if (Resizers._lastScrollPointer[0] < 0) {
			Resizers._lastScrollPointer[0] = 0;
		}
		if (Resizers._lastScrollPointer[1] < 0) {
			Resizers._lastScrollPointer[1] = 0;
		}
		this.draw(Resizers._lastScrollPointer);
		
		if (this.options.change) {
			this.options.change(this);
		}
	},

	_getWindowScroll: function(w) {
		var T, L, W, H;
		with (w.document) {
			if (w.document.documentElement && documentElement.scrollTop) {
				T = documentElement.scrollTop;
				L = documentElement.scrollLeft;
			}
			else if (w.document.body) {
				T = body.scrollTop;
				L = body.scrollLeft;
			}
			if (w.innerWidth) {
				W = w.innerWidth;
				H = w.innerHeight;
			}
			else if (w.document.documentElement && documentElement.clientWidth) {
				W = documentElement.clientWidth;
				H = documentElement.clientHeight;
			}
			else {
				W = body.offsetWidth;
				H = body.offsetHeight
			}
		}
		return { top:T, left:L, width:W, height:H };
	}
};