/*  Prototype JavaScript framework, version 1.6.0.3
 *  (c) 2005-2008 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/

var Prototype = {
  Version: '1.6.0.3',

  Browser: {
    IE:     !!(window.attachEvent &&
      navigator.userAgent.indexOf('Opera') === -1),
    Opera:  navigator.userAgent.indexOf('Opera') > -1,
    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 &&
      navigator.userAgent.indexOf('KHTML') === -1,
    MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
  },

  BrowserFeatures: {
    XPath: !!document.evaluate,
    SelectorsAPI: !!document.querySelector,
    ElementExtensions: !!window.HTMLElement,
    SpecificElementExtensions:
      document.createElement('div')['__proto__'] &&
      document.createElement('div')['__proto__'] !==
        document.createElement('form')['__proto__']
  },

  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;


/* Based on Alex Arnell's inheritance implementation. */
var Class = {
  create: function() {
    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) {
      var subclass = function() { };
      subclass.prototype = parent.prototype;
      klass.prototype = new subclass;
      parent.subclasses.push(klass);
    }

    for (var i = 0; i < properties.length; i++)
      klass.addMethods(properties[i]);

    if (!klass.prototype.initialize)
      klass.prototype.initialize = Prototype.emptyFunction;

    klass.prototype.constructor = klass;

    return klass;
  }
};

Class.Methods = {
  addMethods: function(source) {
    var ancestor   = this.superclass && this.superclass.prototype;
    var properties = Object.keys(source);

    if (!Object.keys({ toString: true }).length)
      properties.push("toString", "valueOf");

    for (var i = 0, length = properties.length; i < length; i++) {
      var property = properties[i], value = source[property];
      if (ancestor && Object.isFunction(value) &&
          value.argumentNames().first() == "$super") {
        var method = value;
        value = (function(m) {
          return function() { return ancestor[m].apply(this, arguments) };
        })(property).wrap(method);

        value.valueOf = method.valueOf.bind(method);
        value.toString = method.toString.bind(method);
      }
      this.prototype[property] = value;
    }

    return this;
  }
};

var Abstract = { };

Object.extend = function(destination, source) {
  for (var property in source)
    destination[property] = source[property];
  return destination;
};

Object.extend(Object, {
  inspect: function(object) {
    try {
      if (Object.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;
    }
  },

  toJSON: function(object) {
    var type = typeof object;
    switch (type) {
      case 'undefined':
      case 'function':
      case 'unknown': return;
      case 'boolean': return object.toString();
    }

    if (object === null) return 'null';
    if (object.toJSON) return object.toJSON();
    if (Object.isElement(object)) return;

    var results = [];
    for (var property in object) {
      var value = Object.toJSON(object[property]);
      if (!Object.isUndefined(value))
        results.push(property.toJSON() + ': ' + value);
    }

    return '{' + results.join(', ') + '}';
  },

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

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

  keys: function(object) {
    var keys = [];
    for (var property in object)
      keys.push(property);
    return keys;
  },

  values: function(object) {
    var values = [];
    for (var property in object)
      values.push(object[property]);
    return values;
  },

  clone: function(object) {
    return Object.extend({ }, object);
  },

  isElement: function(object) {
    return !!(object && object.nodeType == 1);
  },

  isArray: function(object) {
    return object != null && typeof object == "object" &&
      'splice' in object && 'join' in object;
  },

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

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

  isString: function(object) {
    return typeof object == "string";
  },

  isNumber: function(object) {
    return typeof object == "number";
  },

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

Object.extend(Function.prototype, {
  argumentNames: function() {
    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1]
      .replace(/\s+/g, '').split(',');
    return names.length == 1 && !names[0] ? [] : names;
  },

  bind: function() {
    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
    var __method = this, args = $A(arguments), object = args.shift();
    return function() {
      return __method.apply(object, args.concat($A(arguments)));
    }
  },

  bindAsEventListener: function() {
    var __method = this, args = $A(arguments), object = args.shift();
    return function(event) {
      return __method.apply(object, [event || window.event].concat(args));
    }
  },

  curry: function() {
    if (!arguments.length) return this;
    var __method = this, args = $A(arguments);
    return function() {
      return __method.apply(this, args.concat($A(arguments)));
    }
  },

  delay: function() {
    var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
    return window.setTimeout(function() {
      return __method.apply(__method, args);
    }, timeout);
  },

  defer: function() {
    var args = [0.01].concat($A(arguments));
    return this.delay.apply(this, args);
  },

  wrap: function(wrapper) {
    var __method = this;
    return function() {
      return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
    }
  },

  methodize: function() {
    if (this._methodized) return this._methodized;
    var __method = this;
    return this._methodized = function() {
      return __method.apply(null, [this].concat($A(arguments)));
    };
  }
});

Date.prototype.toJSON = function() {
  return '"' + this.getUTCFullYear() + '-' +
    (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
    this.getUTCDate().toPaddedString(2) + 'T' +
    this.getUTCHours().toPaddedString(2) + ':' +
    this.getUTCMinutes().toPaddedString(2) + ':' +
    this.getUTCSeconds().toPaddedString(2) + 'Z"';
};

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;
  }
};

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();
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
});
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, {
  gsub: function(pattern, replacement) {
    var result = '', source = this, match;
    replacement = arguments.callee.prepareReplacement(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;
  },

  sub: function(pattern, replacement, count) {
    replacement = this.gsub.prepareReplacement(replacement);
    count = Object.isUndefined(count) ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  },

  scan: function(pattern, iterator) {
    this.gsub(pattern, iterator);
    return String(this);
  },

  truncate: function(length, truncation) {
    length = length || 30;
    truncation = Object.isUndefined(truncation) ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : String(this);
  },

  strip: function() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  },

  stripTags: function() {
    return this.replace(/<\/?[^>]+>/gi, '');
  },

  stripScripts: function() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  },

  extractScripts: function() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  },

  evalScripts: function() {
    return this.extractScripts().map(function(script) { return eval(script) });
  },

  escapeHTML: function() {
    var self = arguments.callee;
    self.text.data = this;
    return self.div.innerHTML;
  },

  unescapeHTML: function() {
    var div = new Element('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0] ? (div.childNodes.length > 1 ?
      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
      div.childNodes[0].nodeValue) : '';
  },

  toQueryParams: function(separator) {
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
    if (!match) return { };

    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
      if ((pair = pair.split('='))[0]) {
        var key = decodeURIComponent(pair.shift());
        var value = pair.length > 1 ? pair.join('=') : pair[0];
        if (value != undefined) value = decodeURIComponent(value);

        if (key in hash) {
          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
          hash[key].push(value);
        }
        else hash[key] = value;
      }
      return hash;
    });
  },

  toArray: function() {
    return this.split('');
  },

  succ: function() {
    return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
  },

  times: function(count) {
    return count < 1 ? '' : new Array(count + 1).join(this);
  },

  camelize: function() {
    var parts = this.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
  },

  capitalize: function() {
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
  },

  underscore: function() {
    return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
  },

  dasherize: function() {
    return this.gsub(/_/,'-');
  },

  inspect: function(useDoubleQuotes) {
    var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
      var character = String.specialChar[match[0]];
      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  },

  toJSON: function() {
    return this.inspect(true);
  },

  unfilterJSON: function(filter) {
    return this.sub(filter || Prototype.JSONFilter, '#{1}');
  },

  isJSON: function() {
    var str = this;
    if (str.blank()) return false;
    str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
    return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
  },

  evalJSON: function(sanitize) {
    var json = this.unfilterJSON();
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  },

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

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

  endsWith: function(pattern) {
    var d = this.length - pattern.length;
    return d >= 0 && this.lastIndexOf(pattern) === d;
  },

  empty: function() {
    return this == '';
  },

  blank: function() {
    return /^\s*$/.test(this);
  },

  interpolate: function(object, pattern) {
    return new Template(this, pattern).evaluate(object);
  }
});

if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
  escapeHTML: function() {
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  },
  unescapeHTML: function() {
    return this.stripTags().replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
  }
});

String.prototype.gsub.prepareReplacement = function(replacement) {
  if (Object.isFunction(replacement)) return replacement;
  var template = new Template(replacement);
  return function(match) { return template.evaluate(match) };
};

String.prototype.parseQuery = String.prototype.toQueryParams;

Object.extend(String.prototype.escapeHTML, {
  div:  document.createElement('div'),
  text: document.createTextNode('')
});

String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text);

var Template = Class.create({
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    if (Object.isFunction(object.toTemplateReplacements))
      object = object.toTemplateReplacements();

    return this.template.gsub(this.pattern, function(match) {
      if (object == null) return '';

      var before = match[1] || '';
      if (before == '\\') return match[2];

      var ctx = object, expr = match[3];
      var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
      match = pattern.exec(expr);
      if (match == null) return before;

      while (match != null) {
        var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : 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 = {
  each: function(iterator, context) {
    var index = 0;
    try {
      this._each(function(value) {
        iterator.call(context, value, index++);
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  },

  eachSlice: function(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);
  },

  all: function(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;
  },

  any: function(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;
  },

  collect: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];
    this.each(function(value, index) {
      results.push(iterator.call(context, value, index));
    });
    return results;
  },

  detect: function(iterator, context) {
    var result;
    this.each(function(value, index) {
      if (iterator.call(context, value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  },

  findAll: function(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  },

  grep: function(filter, iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];

    if (Object.isString(filter))
      filter = new RegExp(filter);

    this.each(function(value, index) {
      if (filter.match(value))
        results.push(iterator.call(context, value, index));
    });
    return results;
  },

  include: function(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;
  },

  inGroupsOf: function(number, fillWith) {
    fillWith = Object.isUndefined(fillWith) ? null : fillWith;
    return this.eachSlice(number, function(slice) {
      while(slice.length < number) slice.push(fillWith);
      return slice;
    });
  },

  inject: function(memo, iterator, context) {
    this.each(function(value, index) {
      memo = iterator.call(context, memo, value, index);
    });
    return memo;
  },

  invoke: function(method) {
    var args = $A(arguments).slice(1);
    return this.map(function(value) {
      return value[method].apply(value, args);
    });
  },

  max: function(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;
  },

  min: function(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;
  },

  partition: function(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];
  },

  pluck: function(property) {
    var results = [];
    this.each(function(value) {
      results.push(value[property]);
    });
    return results;
  },

  reject: function(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (!iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  },

  sortBy: function(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');
  },

  toArray: function() {
    return this.map();
  },

  zip: function() {
    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));
    });
  },

  size: function() {
    return this.toArray().length;
  },

  inspect: function() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }
};

Object.extend(Enumerable, {
  map:     Enumerable.collect,
  find:    Enumerable.detect,
  select:  Enumerable.findAll,
  filter:  Enumerable.findAll,
  member:  Enumerable.include,
  entries: Enumerable.toArray,
  every:   Enumerable.all,
  some:    Enumerable.any
});
function $A(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) return iterable.toArray();
  var length = iterable.length || 0, results = new Array(length);
  while (length--) results[length] = iterable[length];
  return results;
}

if (Prototype.Browser.WebKit) {
  $A = function(iterable) {
    if (!iterable) return [];
    // In Safari, only use the `toArray` method if it's not a NodeList.
    // A NodeList is a function, has an function `item` property, and a numeric
    // `length` property. Adapted from Google Doctype.
    if (!(typeof iterable === 'function' && typeof iterable.length ===
        'number' && typeof iterable.item === 'function') && iterable.toArray)
      return iterable.toArray();
    var length = iterable.length || 0, results = new Array(length);
    while (length--) results[length] = iterable[length];
    return results;
  };
}

Array.from = $A;

Object.extend(Array.prototype, Enumerable);

if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;

Object.extend(Array.prototype, {
  _each: function(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  },

  clear: function() {
    this.length = 0;
    return this;
  },

  first: function() {
    return this[0];
  },

  last: function() {
    return this[this.length - 1];
  },

  compact: function() {
    return this.select(function(value) {
      return value != null;
    });
  },

  flatten: function() {
    return this.inject([], function(array, value) {
      return array.concat(Object.isArray(value) ?
        value.flatten() : [value]);
    });
  },

  without: function() {
    var values = $A(arguments);
    return this.select(function(value) {
      return !values.include(value);
    });
  },

  reverse: function(inline) {
    return (inline !== false ? this : this.toArray())._reverse();
  },

  reduce: function() {
    return this.length > 1 ? this : this[0];
  },

  uniq: function(sorted) {
    return this.inject([], function(array, value, index) {
      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
        array.push(value);
      return array;
    });
  },

  intersect: function(array) {
    return this.uniq().findAll(function(item) {
      return array.detect(function(value) { return item === value });
    });
  },

  clone: function() {
    return [].concat(this);
  },

  size: function() {
    return this.length;
  },

  inspect: function() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  },

  toJSON: function() {
    var results = [];
    this.each(function(object) {
      var value = Object.toJSON(object);
      if (!Object.isUndefined(value)) results.push(value);
    });
    return '[' + results.join(', ') + ']';
  }
});

// use native browser JS 1.6 implementation if available
if (Object.isFunction(Array.prototype.forEach))
  Array.prototype._each = Array.prototype.forEach;

if (!Array.prototype.indexOf) Array.prototype.indexOf = function(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;
};

if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(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;
};

Array.prototype.toArray = Array.prototype.clone;

function $w(string) {
  if (!Object.isString(string)) return [];
  string = string.strip();
  return string ? string.split(/\s+/) : [];
}

if (Prototype.Browser.Opera){
  Array.prototype.concat = function() {
    var array = [];
    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
    for (var i = 0, length = arguments.length; i < length; i++) {
      if (Object.isArray(arguments[i])) {
        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
          array.push(arguments[i][j]);
      } else {
        array.push(arguments[i]);
      }
    }
    return array;
  };
}
Object.extend(Number.prototype, {
  toColorPart: function() {
    return this.toPaddedString(2, 16);
  },

  succ: function() {
    return this + 1;
  },

  times: function(iterator, context) {
    $R(0, this, true).each(iterator, context);
    return this;
  },

  toPaddedString: function(length, radix) {
    var string = this.toString(radix || 10);
    return '0'.times(length - string.length) + string;
  },

  toJSON: function() {
    return isFinite(this) ? this.toString() : 'null';
  }
});

$w('abs round ceil floor').each(function(method){
  Number.prototype[method] = Math[method].methodize();
});
function $H(object) {
  return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {

  function toQueryPair(key, value) {
    if (Object.isUndefined(value)) return key;
    return key + '=' + encodeURIComponent(String.interpret(value));
  }

  return {
    initialize: function(object) {
      this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
    },

    _each: function(iterator) {
      for (var key in this._object) {
        var value = this._object[key], pair = [key, value];
        pair.key = key;
        pair.value = value;
        iterator(pair);
      }
    },

    set: function(key, value) {
      return this._object[key] = value;
    },

    get: function(key) {
      // simulating poorly supported hasOwnProperty
      if (this._object[key] !== Object.prototype[key])
        return this._object[key];
    },

    unset: function(key) {
      var value = this._object[key];
      delete this._object[key];
      return value;
    },

    toObject: function() {
      return Object.clone(this._object);
    },

    keys: function() {
      return this.pluck('key');
    },

    values: function() {
      return this.pluck('value');
    },

    index: function(value) {
      var match = this.detect(function(pair) {
        return pair.value === value;
      });
      return match && match.key;
    },

    merge: function(object) {
      return this.clone().update(object);
    },

    update: function(object) {
      return new Hash(object).inject(this, function(result, pair) {
        result.set(pair.key, pair.value);
        return result;
      });
    },

    toQueryString: function() {
      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('&');
    },

    inspect: function() {
      return '#<Hash:{' + this.map(function(pair) {
        return pair.map(Object.inspect).join(': ');
      }).join(', ') + '}>';
    },

    toJSON: function() {
      return Object.toJSON(this.toObject());
    },

    clone: function() {
      return new Hash(this);
    }
  }
})());

Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
Hash.from = $H;
var ObjectRange = Class.create(Enumerable, {
  initialize: function(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  },

  _each: function(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  },

  include: function(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }
});

var $R = function(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
};

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)) {
      // simulate other verbs over post
      params['_method'] = this.method;
      this.method = 'post';
    }

    this.parameters = params;

    if (params = Object.toQueryString(params)) {
      // when GET, append parameters to URL
      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';
    }

    // user-defined headers
    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') {
      // avoid memory leak in MSIE: clean up
      this.transport.onreadystatechange = Prototype.emptyFunction;
    }
  },

  isSameOrigin: function() {
    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
      protocol: location.protocol,
      domain: document.domain,
      port: location.port ? ':' + location.port : ''
    }));
  },

  getHeader: function(name) {
    try {
      return this.transport.getResponseHeader(name) || null;
    } catch (e) { return null }
  },

  evalResponse: function() {
    try {
      return eval((this.transport.responseText || '').unfilterJSON());
    } catch (e) {
      this.dispatchException(e);
    }
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

Ajax.Response = Class.create({
  initialize: function(request){
    this.request = request;
    var transport  = this.transport  = request.transport,
        readyState = this.readyState = transport.readyState;

    if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
      this.status       = this.getStatus();
      this.statusText   = this.getStatusText();
      this.responseText = String.interpret(transport.responseText);
      this.headerJSON   = this._getHeaderJSON();
    }

    if(readyState == 4) {
      var xml = transport.responseXML;
      this.responseXML  = Object.isUndefined(xml) ? null : xml;
      this.responseJSON = this._getResponseJSON();
    }
  },

  status:      0,
  statusText: '',

  getStatus: Ajax.Request.prototype.getStatus,

  getStatusText: function() {
    try {
      return this.transport.statusText || '';
    } catch (e) { return '' }
  },

  getHeader: Ajax.Request.prototype.getHeader,

  getAllHeaders: function() {
    try {
      return this.getAllResponseHeaders();
    } catch (e) { return null }
  },

  getResponseHeader: function(name) {
    return this.transport.getResponseHeader(name);
  },

  getAllResponseHeaders: function() {
    return this.transport.getAllResponseHeaders();
  },

  _getHeaderJSON: function() {
    var json = this.getHeader('X-JSON');
    if (!json) return null;
    json = decodeURIComponent(escape(json));
    try {
      return json.evalJSON(this.request.options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  },

  _getResponseJSON: function() {
    var options = this.request.options;
    if (!options.evalJSON || (options.evalJSON != 'force' &&
      !(this.getHeader('Content-type') || '').include('application/json')) ||
        this.responseText.blank())
          return null;
    try {
      return this.responseText.evalJSON(options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  }
});

Ajax.Updater = Class.create(Ajax.Request, {
  initialize: function($super, container, url, options) {
    this.container = {
      success: (container.success || container),
      failure: (container.failure || (container.success ? null : container))
    };

    options = Object.clone(options);
    var onComplete = options.onComplete;
    options.onComplete = (function(response, json) {
      this.updateContent(response.responseText);
      if (Object.isFunction(onComplete)) onComplete(response, json);
    }).bind(this);

    $super(url, options);
  },

  updateContent: function(responseText) {
    var receiver = this.container[this.success() ? 'success' : 'failure'],
        options = this.options;

    if (!options.evalScripts) responseText = responseText.stripScripts();

    if (receiver = $(receiver)) {
      if (options.insertion) {
        if (Object.isString(options.insertion)) {
          var insertion = { }; insertion[options.insertion] = responseText;
          receiver.insert(insertion);
        }
        else options.insertion(receiver, responseText);
      }
      else receiver.update(responseText);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
  initialize: function($super, container, url, options) {
    $super(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = { };
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(response) {
    if (this.options.decay) {
      this.decay = (response.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = response.responseText;
    }
    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});
function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (Object.isString(element))
    element = document.getElementById(element);
  return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(Element.extend(query.snapshotItem(i)));
    return results;
  };
}

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

if (!window.Node) var Node = { };

if (!Node.ELEMENT_NODE) {
  // DOM level 2 ECMAScript Language Binding
  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() {
  var element = this.Element;
  this.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;
    if (Prototype.Browser.IE && 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(this.Element, element || { });
  if (element) this.Element.prototype = element.prototype;
}).call(window);

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(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);
    content = Object.toHTML(content);
    element.innerHTML = content.stripScripts();
    content.evalScripts.bind(content).defer();
    return element;
  },

  replace: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    else if (!Object.isElement(content)) {
      content = Object.toHTML(content);
      var range = element.ownerDocument.createRange();
      range.selectNode(element);
      content.evalScripts.bind(content).defer();
      content = range.createContextualFragment(content.stripScripts());
    }
    element.parentNode.replaceChild(content, element);
    return element;
  },

  insert: function(element, insertions) {
    element = $(element);

    if (Object.isString(insertions) || Object.isNumber(insertions) ||
        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
          insertions = {bottom:insertions};

    var content, insert, tagName, childNodes;

    for (var position in insertions) {
      content  = insertions[position];
      position = position.toLowerCase();
      insert = Element._insertionTranslations[position];

      if (content && content.toElement) content = content.toElement();
      if (Object.isElement(content)) {
        insert(element, content);
        continue;
      }

      content = Object.toHTML(content);

      tagName = ((position == 'before' || position == 'after')
        ? element.parentNode : element).tagName.toUpperCase();

      childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());

      if (position == 'top' || position == 'after') childNodes.reverse();
      childNodes.each(insert.curry(element));

      content.evalScripts.bind(content).defer();
    }

    return element;
  },

  wrap: function(element, wrapper, attributes) {
    element = $(element);
    if (Object.isElement(wrapper))
      $(wrapper).writeAttribute(attributes || { });
    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
    else wrapper = new Element('div', wrapper);
    if (element.parentNode)
      element.parentNode.replaceChild(wrapper, element);
    wrapper.appendChild(element);
    return wrapper;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(), attribute = pair.last();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

  ancestors: function(element) {
    return $(element).recursivelyCollect('parentNode');
  },

  descendants: function(element) {
    return $(element).select("*");
  },

  firstDescendant: function(element) {
    element = $(element).firstChild;
    while (element && element.nodeType != 1) element = element.nextSibling;
    return $(element);
  },

  immediateDescendants: function(element) {
    if (!(element = $(element).firstChild)) return [];
    while (element && element.nodeType != 1) element = element.nextSibling;
    if (element) return [element].concat($(element).nextSiblings());
    return [];
  },

  previousSiblings: function(element) {
    return $(element).recursivelyCollect('previousSibling');
  },

  nextSiblings: function(element) {
    return $(element).recursivelyCollect('nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return element.previousSiblings().reverse().concat(element.nextSiblings());
  },

  match: function(element, selector) {
    if (Object.isString(selector))
      selector = new Selector(selector);
    return selector.match($(element));
  },

  up: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(element.parentNode);
    var ancestors = element.ancestors();
    return Object.isNumber(expression) ? ancestors[expression] :
      Selector.findElement(ancestors, expression, index);
  },

  down: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return element.firstDescendant();
    return Object.isNumber(expression) ? element.descendants()[expression] :
      Element.select(element, expression)[index || 0];
  },

  previous: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
    var previousSiblings = element.previousSiblings();
    return Object.isNumber(expression) ? previousSiblings[expression] :
      Selector.findElement(previousSiblings, expression, index);
  },

  next: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
    var nextSiblings = element.nextSiblings();
    return Object.isNumber(expression) ? nextSiblings[expression] :
      Selector.findElement(nextSiblings, expression, index);
  },

  select: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element, args);
  },

  adjacent: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element.parentNode, args).without(element);
  },

  identify: function(element) {
    element = $(element);
    var id = element.readAttribute('id'), self = arguments.callee;
    if (id) return id;
    do { id = 'anonymous_element_' + self.counter++ } while ($(id));
    element.writeAttribute('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().height;
  },

  getWidth: function(element) {
    return $(element).getDimensions().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(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(className) ?
      'removeClassName' : 'addClassName'](className);
  },

  // removes whitespace-only text node children
  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();
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    style = style == 'float' ? 'cssFloat' : style.camelize();
    var value = element.style[style];
    if (!value || value == 'auto') {
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }
    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
    return value == 'auto' ? null : value;
  },

  getOpacity: function(element) {
    return $(element).getStyle('opacity');
  },

  setStyle: function(element, styles) {
    element = $(element);
    var elementStyle = element.style, match;
    if (Object.isString(styles)) {
      element.style.cssText += ';' + styles;
      return styles.include('opacity') ?
        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
    }
    for (var property in styles)
      if (property == 'opacity') element.setOpacity(styles[property]);
      else
        elementStyle[(property == 'float' || property == 'cssFloat') ?
          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
            property] = styles[property];

    return element;
  },

  setOpacity: function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;
    return element;
  },

  getDimensions: function(element) {
    element = $(element);
    var display = element.getStyle('display');
    if (display != 'none' && display != null) // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};

    // All *Width and *Height properties give 0 on elements with display none,
    // so enable the element temporarily
    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = 'block';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      // Opera returns the offset relative to the positioning context, when an
      // element is position relative but top and left have not been defined
      if (Prototype.Browser.Opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = Element.getStyle(element, 'overflow') || 'auto';
    if (element._overflow !== 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  },

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

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if (element.tagName.toUpperCase() == 'BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p !== 'static') break;
      }
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  absolutize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'absolute') return element;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    var offsets = element.positionedOffset();
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.width  = width + 'px';
    element.style.height = height + 'px';
    return element;
  },

  relativize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'relative') return element;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
    return element;
  },

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

  getOffsetParent: function(element) {
    if (element.offsetParent) return $(element.offsetParent);
    if (element == document.body) return $(element);

    while ((element = element.parentNode) && element != document.body)
      if (Element.getStyle(element, 'position') != 'static')
        return $(element);

    return $(document.body);
  },

  viewportOffset: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      // Safari fix
      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] || { });

    // find page position of source
    source = $(source);
    var p = source.viewportOffset();

    // find coordinate system to use
    element = $(element);
    var delta = [0, 0];
    var parent = null;
    // delta [0,0] will do fine with position: fixed elements,
    // position:absolute needs offsetParent deltas
    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = element.getOffsetParent();
      delta = parent.viewportOffset();
    }

    // correct by body offsets (fixes Safari)
    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    // set position
    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;
  }
};

Element.Methods.identify.counter = 1;

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':
          // returns '0px' for hidden elements; we want it to return null
          if (!Element.visible(element)) return null;

          // returns the border-box dimensions rather than the content-box
          // dimensions, so we subtract padding and borders from the value
          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) {
  // IE doesn't report offsets correctly for static elements, so we change them
  // to "relative" to get the values, then change them back.
  Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
    function(proceed, element) {
      element = $(element);
      // IE throws an error if element is not in document
      try { element.offsetParent }
      catch(e) { return $(document.body) }
      var position = element.getStyle('position');
      if (position !== 'static') return proceed(element);
      element.setStyle({ position: 'relative' });
      var value = proceed(element);
      element.setStyle({ position: position });
      return value;
    }
  );

  $w('positionedOffset viewportOffset').each(function(method) {
    Element.Methods[method] = Element.Methods[method].wrap(
      function(proceed, element) {
        element = $(element);
        try { element.offsetParent }
        catch(e) { return Element._returnOffset(0,0) }
        var position = element.getStyle('position');
        if (position !== 'static') return proceed(element);
        // Trigger hasLayout on the offset parent so that IE6 reports
        // accurate offsetTop and offsetLeft values for position: fixed.
        var offsetParent = element.getOffsetParent();
        if (offsetParent && offsetParent.getStyle('position') === 'fixed')
          offsetParent.setStyle({ zoom: 1 });
        element.setStyle({ position: 'relative' });
        var value = proceed(element);
        element.setStyle({ position: position });
        return value;
      }
    );
  });

  Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
    function(proceed, element) {
      try { element.offsetParent }
      catch(e) { return Element._returnOffset(0,0) }
      return proceed(element);
    }
  );

  Element.Methods.getStyle = function(element, style) {
    element = $(element);
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
    var value = element.style[style];
    if (!value && element.currentStyle) value = element.currentStyle[style];

    if (style == 'opacity') {
      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
        if (value[1]) return parseFloat(value[1]) / 100;
      return 1.0;
    }

    if (value == 'auto') {
      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
        return element['offset' + style.capitalize()] + 'px';
      return null;
    }
    return value;
  };

  Element.Methods.setOpacity = function(element, value) {
    function stripAlpha(filter){
      return filter.replace(/alpha\([^\)]*\)/gi,'');
    }
    element = $(element);
    var currentStyle = element.currentStyle;
    if ((currentStyle && !currentStyle.hasLayout) ||
      (!currentStyle && element.style.zoom == 'normal'))
        element.style.zoom = 1;

    var filter = element.getStyle('filter'), style = element.style;
    if (value == 1 || value === '') {
      (filter = stripAlpha(filter)) ?
        style.filter = filter : style.removeAttribute('filter');
      return element;
    } else if (value < 0.00001) value = 0;
    style.filter = stripAlpha(filter) +
      'alpha(opacity=' + (value * 100) + ')';
    return element;
  };

  Element._attributeTranslations = {
    read: {
      names: {
        'class': 'className',
        'for':   'htmlFor'
      },
      values: {
        _getAttr: function(element, attribute) {
          return element.getAttribute(attribute, 2);
        },
        _getAttrNode: function(element, attribute) {
          var node = element.getAttributeNode(attribute);
          return node ? node.value : "";
        },
        _getEv: function(element, attribute) {
          attribute = element.getAttribute(attribute);
          return attribute ? attribute.toString().slice(23, -2) : null;
        },
        _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._getAttr,
      src:         v._getAttr,
      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);
}

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;
  };

  // Safari returns margins on body which is incorrect if the child is absolutely
  // positioned.  For performance reasons, redefine Element#cumulativeOffset for
  // KHTML/WebKit only.
  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 (Prototype.Browser.IE || Prototype.Browser.Opera) {
  // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
  Element.Methods.update = function(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 in Element._insertionTranslations.tags) {
      $A(element.childNodes).each(function(node) { element.removeChild(node) });
      Element._getContentFromAnonymousElement(tagName, content.stripScripts())
        .each(function(node) { element.appendChild(node) });
    }
    else element.innerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

if ('outerHTML' in document.createElement('div')) {
  Element.Methods.replace = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) {
      element.parentNode.replaceChild(content, element);
      return element;
    }

    content = Object.toHTML(content);
    var parent = element.parentNode, tagName = parent.tagName.toUpperCase();

    if (Element._insertionTranslations.tags[tagName]) {
      var nextSibling = element.next();
      var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
      parent.removeChild(element);
      if (nextSibling)
        fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
      else
        fragments.each(function(node) { parent.appendChild(node) });
    }
    else element.outerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

Element._returnOffset = function(l, t) {
  var result = [l, t];
  result.left = l;
  result.top = t;
  return result;
};

Element._getContentFromAnonymousElement = function(tagName, html) {
  var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
  if (t) {
    div.innerHTML = t[0] + html + t[1];
    t[2].times(function() { div = div.firstChild });
  } else div.innerHTML = html;
  return $A(div.childNodes);
};

Element._insertionTranslations = {
  before: function(element, node) {
    element.parentNode.insertBefore(node, element);
  },
  top: function(element, node) {
    element.insertBefore(node, element.firstChild);
  },
  bottom: function(element, node) {
    element.appendChild(node);
  },
  after: function(element, node) {
    element.parentNode.insertBefore(node, element.nextSibling);
  },
  tags: {
    TABLE:  ['<table>',                '</table>',                   1],
    TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
    TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
    TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
    SELECT: ['<select>',               '</select>',                  1]
  }
};

(function() {
  Object.extend(this.tags, {
    THEAD: this.tags.TBODY,
    TFOOT: this.tags.TBODY,
    TH:    this.tags.TD
  });
}).call(Element._insertionTranslations);

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);

if (!Prototype.BrowserFeatures.ElementExtensions &&
    document.createElement('div')['__proto__']) {
  window.HTMLElement = { };
  window.HTMLElement.prototype = document.createElement('div')['__proto__'];
  Prototype.BrowserFeatures.ElementExtensions = true;
}

Element.extend = (function() {
  if (Prototype.BrowserFeatures.SpecificElementExtensions)
    return Prototype.K;

  var Methods = { }, ByTag = Element.Methods.ByTag;

  var extend = Object.extend(function(element) {
    if (!element || element._extendedByPrototype ||
        element.nodeType != 1 || element == window) return element;

    var methods = Object.clone(Methods),
      tagName = element.tagName.toUpperCase(), property, value;

    // extend methods for specific tags
    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);

    for (property in methods) {
      value = methods[property];
      if (Object.isFunction(value) && !(property in element))
        element[property] = value.methodize();
    }

    element._extendedByPrototype = Prototype.emptyFunction;
    return element;

  }, {
    refresh: function() {
      // extend methods for all tags (Safari doesn't need this)
      if (!Prototype.BrowserFeatures.ElementExtensions) {
        Object.extend(Methods, Element.Methods);
        Object.extend(Methods, Element.Methods.Simulated);
      }
    }
  });

  extend.refresh();
  return extend;
})();

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

Element.addMethods = function(methods) {
  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;

  if (!methods) {
    Object.extend(Form, Form.Methods);
    Object.extend(Form.Element, Form.Element.Methods);
    Object.extend(Element.Methods.ByTag, {
      "FORM":     Object.clone(Form.Methods),
      "INPUT":    Object.clone(Form.Element.Methods),
      "SELECT":   Object.clone(Form.Element.Methods),
      "TEXTAREA": Object.clone(Form.Element.Methods)
    });
  }

  if (arguments.length == 2) {
    var tagName = methods;
    methods = arguments[1];
  }

  if (!tagName) Object.extend(Element.Methods, methods || { });
  else {
    if (Object.isArray(tagName)) tagName.each(extend);
    else extend(tagName);
  }

  function extend(tagName) {
    tagName = tagName.toUpperCase();
    if (!Element.Methods.ByTag[tagName])
      Element.Methods.ByTag[tagName] = { };
    Object.extend(Element.Methods.ByTag[tagName], methods);
  }

  function copy(methods, destination, onlyIfAbsent) {
    onlyIfAbsent = onlyIfAbsent || false;
    for (var property in methods) {
      var value = methods[property];
      if (!Object.isFunction(value)) continue;
      if (!onlyIfAbsent || !(property in destination))
        destination[property] = value.methodize();
    }
  }

  function findDOMClass(tagName) {
    var klass;
    var trans = {
      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
      "FrameSet", "IFRAME": "IFrame"
    };
    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName.capitalize() + 'Element';
    if (window[klass]) return window[klass];

    window[klass] = { };
    window[klass].prototype = document.createElement(tagName)['__proto__'];
    return window[klass];
  }

  if (F.ElementExtensions) {
    copy(Element.Methods, HTMLElement.prototype);
    copy(Element.Methods.Simulated, HTMLElement.prototype, 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() {
    var dimensions = { }, B = Prototype.Browser;
    $w('width height').each(function(d) {
      var D = d.capitalize();
      if (B.WebKit && !document.evaluate) {
        // Safari <3.0 needs self.innerWidth/Height
        dimensions[d] = self['inner' + D];
      } else if (B.Opera && parseFloat(window.opera.version()) < 9.5) {
        // Opera <9.5 needs document.body.clientWidth/Height
        dimensions[d] = document.body['client' + D]
      } else {
        dimensions[d] = document.documentElement['client' + D];
      }
    });
    return dimensions;
  },

  getWidth: function() {
    return this.getDimensions().width;
  },

  getHeight: function() {
    return this.getDimensions().height;
  },

  getScrollOffsets: function() {
    return Element._returnOffset(
      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
      window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
  }
};
/* Portions of the Selector class are derived from Jack Slocum's DomQuery,
 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
 * license.  Please see http://www.yui-ext.com/ for more information. */

var Selector = Class.create({
  initialize: function(expression) {
    this.expression = expression.strip();

    if (this.shouldUseSelectorsAPI()) {
      this.mode = 'selectorsAPI';
    } else if (this.shouldUseXPath()) {
      this.mode = 'xpath';
      this.compileXPathMatcher();
    } else {
      this.mode = "normal";
      this.compileMatcher();
    }

  },

  shouldUseXPath: function() {
    if (!Prototype.BrowserFeatures.XPath) return false;

    var e = this.expression;

    // Safari 3 chokes on :*-of-type and :empty
    if (Prototype.Browser.WebKit &&
     (e.include("-of-type") || e.include(":empty")))
      return false;

    // XPath can't do namespaced attributes, nor can it read
    // the "checked" property from DOM nodes
    if ((/(\[[\w-]*?:|:checked)/).test(e))
      return false;

    return true;
  },

  shouldUseSelectorsAPI: function() {
    if (!Prototype.BrowserFeatures.SelectorsAPI) return false;

    if (!Selector._div) Selector._div = new Element('div');

    // Make sure the browser treats the selector as valid. Test on an
    // isolated element to minimize cost of this check.
    try {
      Selector._div.querySelector(this.expression);
    } catch(e) {
      return false;
    }

    return true;
  },

  compileMatcher: function() {
    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
        c = Selector.criteria, le, p, m;

    if (Selector._cache[e]) {
      this.matcher = Selector._cache[e];
      return;
    }

    this.matcher = ["this.matcher = function(root) {",
                    "var r = root, h = Selector.handlers, c = false, n;"];

    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
            new Template(c[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.matcher.push("return h.unique(n);\n}");
    eval(this.matcher.join('\n'));
    Selector._cache[this.expression] = this.matcher;
  },

  compileXPathMatcher: function() {
    var e = this.expression, ps = Selector.patterns,
        x = Selector.xpath, le, m;

    if (Selector._cache[e]) {
      this.xpath = Selector._cache[e]; return;
    }

    this.matcher = ['.//*'];
    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        if (m = e.match(ps[i])) {
          this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
            new Template(x[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.xpath = this.matcher.join('');
    Selector._cache[this.expression] = this.xpath;
  },

  findElements: function(root) {
    root = root || document;
    var e = this.expression, results;

    switch (this.mode) {
      case 'selectorsAPI':
        // querySelectorAll queries document-wide, then filters to descendants
        // of the context element. That's not what we want.
        // Add an explicit context to the selector if necessary.
        if (root !== document) {
          var oldId = root.id, id = $(root).identify();
          e = "#" + id + " " + e;
        }

        results = $A(root.querySelectorAll(e)).map(Element.extend);
        root.id = oldId;

        return results;
      case 'xpath':
        return document._getElementsByXPath(this.xpath, root);
      default:
       return this.matcher(root);
    }
  },

  match: function(element) {
    this.tokens = [];

    var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
    var le, p, m;

    while (e && le !== e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          // use the Selector.assertions methods unless the selector
          // is too complex.
          if (as[i]) {
            this.tokens.push([i, Object.clone(m)]);
            e = e.replace(m[0], '');
          } else {
            // reluctantly do a document-wide search
            // and look for a match in the array
            return this.findElements(document).include(element);
          }
        }
      }
    }

    var match = true, name, matches;
    for (var i = 0, token; token = this.tokens[i]; i++) {
      name = token[0], matches = token[1];
      if (!Selector.assertions[name](element, matches)) {
        match = false; break;
      }
    }

    return match;
  },

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

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

Object.extend(Selector, {
  _cache: { },

  xpath: {
    descendant:   "//*",
    child:        "/*",
    adjacent:     "/following-sibling::*[1]",
    laterSibling: '/following-sibling::*',
    tagName:      function(m) {
      if (m[1] == '*') return '';
      return "[local-name()='" + m[1].toLowerCase() +
             "' or local-name()='" + m[1].toUpperCase() + "']";
    },
    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
    id:           "[@id='#{1}']",
    attrPresence: function(m) {
      m[1] = m[1].toLowerCase();
      return new Template("[@#{1}]").evaluate(m);
    },
    attr: function(m) {
      m[1] = m[1].toLowerCase();
      m[3] = m[5] || m[6];
      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
    },
    pseudo: function(m) {
      var h = Selector.xpath.pseudos[m[1]];
      if (!h) return '';
      if (Object.isFunction(h)) return h(m);
      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
    },
    operators: {
      '=':  "[@#{1}='#{3}']",
      '!=': "[@#{1}!='#{3}']",
      '^=': "[starts-with(@#{1}, '#{3}')]",
      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
      '*=': "[contains(@#{1}, '#{3}')]",
      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
    },
    pseudos: {
      'first-child': '[not(preceding-sibling::*)]',
      'last-child':  '[not(following-sibling::*)]',
      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
      'empty':       "[count(*) = 0 and (count(text()) = 0)]",
      'checked':     "[@checked]",
      'disabled':    "[(@disabled) and (@type!='hidden')]",
      'enabled':     "[not(@disabled) and (@type!='hidden')]",
      'not': function(m) {
        var e = m[6], p = Selector.patterns,
            x = Selector.xpath, le, v;

        var exclusion = [];
        while (e && le != e && (/\S/).test(e)) {
          le = e;
          for (var i in p) {
            if (m = e.match(p[i])) {
              v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
              e = e.replace(m[0], '');
              break;
            }
          }
        }
        return "[not(" + exclusion.join(" and ") + ")]";
      },
      'nth-child':      function(m) {
        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
      },
      'nth-last-child': function(m) {
        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
      },
      'nth-of-type':    function(m) {
        return Selector.xpath.pseudos.nth("position() ", m);
      },
      'nth-last-of-type': function(m) {
        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
      },
      'first-of-type':  function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
      },
      'last-of-type':   function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
      },
      'only-of-type':   function(m) {
        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
      },
      nth: function(fragment, m) {
        var mm, formula = m[6], predicate;
        if (formula == 'even') formula = '2n+0';
        if (formula == 'odd')  formula = '2n+1';
        if (mm = formula.match(/^(\d+)$/)) // digit only
          return '[' + fragment + "= " + mm[1] + ']';
        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
          if (mm[1] == "-") mm[1] = -1;
          var a = mm[1] ? Number(mm[1]) : 1;
          var b = mm[2] ? Number(mm[2]) : 0;
          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
          "((#{fragment} - #{b}) div #{a} >= 0)]";
          return new Template(predicate).evaluate({
            fragment: fragment, a: a, b: b });
        }
      }
    }
  },

  criteria: {
    tagName:      'n = h.tagName(n, r, "#{1}", c);      c = false;',
    className:    'n = h.className(n, r, "#{1}", c);    c = false;',
    id:           'n = h.id(n, r, "#{1}", c);           c = false;',
    attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
    attr: function(m) {
      m[3] = (m[5] || m[6]);
      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
    },
    pseudo: function(m) {
      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
    },
    descendant:   'c = "descendant";',
    child:        'c = "child";',
    adjacent:     'c = "adjacent";',
    laterSibling: 'c = "laterSibling";'
  },

  patterns: {
    // combinators must be listed first
    // (and descendant needs to be last combinator)
    laterSibling: /^\s*~\s*/,
    child:        /^\s*>\s*/,
    adjacent:     /^\s*\+\s*/,
    descendant:   /^\s/,

    // selectors follow
    tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
    id:           /^#([\w\-\*]+)(\b|$)/,
    className:    /^\.([\w\-\*]+)(\b|$)/,
    pseudo:
/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
    attrPresence: /^\[((?:[\w]+:)?[\w]+)\]/,
    attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
  },

  // for Selector.match and Element#match
  assertions: {
    tagName: function(element, matches) {
      return matches[1].toUpperCase() == element.tagName.toUpperCase();
    },

    className: function(element, matches) {
      return Element.hasClassName(element, matches[1]);
    },

    id: function(element, matches) {
      return element.id === matches[1];
    },

    attrPresence: function(element, matches) {
      return Element.hasAttribute(element, matches[1]);
    },

    attr: function(element, matches) {
      var nodeValue = Element.readAttribute(element, matches[1]);
      return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
    }
  },

  handlers: {
    // UTILITY FUNCTIONS
    // joins two collections
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        a.push(node);
      return a;
    },

    // marks an array of nodes for counting
    mark: function(nodes) {
      var _true = Prototype.emptyFunction;
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = _true;
      return nodes;
    },

    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = undefined;
      return nodes;
    },

    // mark each child node with its position (for nth calls)
    // "ofType" flag indicates whether we're indexing for nth-of-type
    // rather than nth-child
    index: function(parentNode, reverse, ofType) {
      parentNode._countedByPrototype = Prototype.emptyFunction;
      if (reverse) {
        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
          var node = nodes[i];
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
        }
      } else {
        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
      }
    },

    // filters out duplicates and extends all nodes
    unique: function(nodes) {
      if (nodes.length == 0) return nodes;
      var results = [], n;
      for (var i = 0, l = nodes.length; i < l; i++)
        if (!(n = nodes[i])._countedByPrototype) {
          n._countedByPrototype = Prototype.emptyFunction;
          results.push(Element.extend(n));
        }
      return Selector.handlers.unmark(results);
    },

    // COMBINATOR FUNCTIONS
    descendant: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, node.getElementsByTagName('*'));
      return results;
    },

    child: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        for (var j = 0, child; child = node.childNodes[j]; j++)
          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
      }
      return results;
    },

    adjacent: function(nodes) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        var next = this.nextElementSibling(node);
        if (next) results.push(next);
      }
      return results;
    },

    laterSibling: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, Element.nextSiblings(node));
      return results;
    },

    nextElementSibling: function(node) {
      while (node = node.nextSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    previousElementSibling: function(node) {
      while (node = node.previousSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    // TOKEN FUNCTIONS
    tagName: function(nodes, root, tagName, combinator) {
      var uTagName = tagName.toUpperCase();
      var results = [], h = Selector.handlers;
      if (nodes) {
        if (combinator) {
          // fastlane for ordinary descendant combinators
          if (combinator == "descendant") {
            for (var i = 0, node; node = nodes[i]; i++)
              h.concat(results, node.getElementsByTagName(tagName));
            return results;
          } else nodes = this[combinator](nodes);
          if (tagName == "*") return nodes;
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName.toUpperCase() === uTagName) results.push(node);
        return results;
      } else return root.getElementsByTagName(tagName);
    },

    id: function(nodes, root, id, combinator) {
      var targetNode = $(id), h = Selector.handlers;
      if (!targetNode) return [];
      if (!nodes && root == document) return [targetNode];
      if (nodes) {
        if (combinator) {
          if (combinator == 'child') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (targetNode.parentNode == node) return [targetNode];
          } else if (combinator == 'descendant') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Element.descendantOf(targetNode, node)) return [targetNode];
          } else if (combinator == 'adjacent') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Selector.handlers.previousElementSibling(targetNode) == node)
                return [targetNode];
          } else nodes = h[combinator](nodes);
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node == targetNode) return [targetNode];
        return [];
      }
      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
    },

    className: function(nodes, root, className, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      return Selector.handlers.byClassName(nodes, root, className);
    },

    byClassName: function(nodes, root, className) {
      if (!nodes) nodes = Selector.handlers.descendant([root]);
      var needle = ' ' + className + ' ';
      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
        nodeClassName = node.className;
        if (nodeClassName.length == 0) continue;
        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
          results.push(node);
      }
      return results;
    },

    attrPresence: function(nodes, root, attr, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var results = [];
      for (var i = 0, node; node = nodes[i]; i++)
        if (Element.hasAttribute(node, attr)) results.push(node);
      return results;
    },

    attr: function(nodes, root, attr, value, operator, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var handler = Selector.operators[operator], results = [];
      for (var i = 0, node; node = nodes[i]; i++) {
        var nodeValue = Element.readAttribute(node, attr);
        if (nodeValue === null) continue;
        if (handler(nodeValue, value)) results.push(node);
      }
      return results;
    },

    pseudo: function(nodes, name, value, root, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      if (!nodes) nodes = root.getElementsByTagName("*");
      return Selector.pseudos[name](nodes, value, root);
    }
  },

  pseudos: {
    'first-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.previousElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'last-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.nextElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'only-child': function(nodes, value, root) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
          results.push(node);
      return results;
    },
    'nth-child':        function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root);
    },
    'nth-last-child':   function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true);
    },
    'nth-of-type':      function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, false, true);
    },
    'nth-last-of-type': function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true, true);
    },
    'first-of-type':    function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, false, true);
    },
    'last-of-type':     function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, true, true);
    },
    'only-of-type':     function(nodes, formula, root) {
      var p = Selector.pseudos;
      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
    },

    // handles the an+b logic
    getIndices: function(a, b, total) {
      if (a == 0) return b > 0 ? [b] : [];
      return $R(1, total).inject([], function(memo, i) {
        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
        return memo;
      });
    },

    // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
    nth: function(nodes, formula, root, reverse, ofType) {
      if (nodes.length == 0) return [];
      if (formula == 'even') formula = '2n+0';
      if (formula == 'odd')  formula = '2n+1';
      var h = Selector.handlers, results = [], indexed = [], m;
      h.mark(nodes);
      for (var i = 0, node; node = nodes[i]; i++) {
        if (!node.parentNode._countedByPrototype) {
          h.index(node.parentNode, reverse, ofType);
          indexed.push(node.parentNode);
        }
      }
      if (formula.match(/^\d+$/)) { // just a number
        formula = Number(formula);
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.nodeIndex == formula) results.push(node);
      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
        if (m[1] == "-") m[1] = -1;
        var a = m[1] ? Number(m[1]) : 1;
        var b = m[2] ? Number(m[2]) : 0;
        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
          for (var j = 0; j < l; j++)
            if (node.nodeIndex == indices[j]) results.push(node);
        }
      }
      h.unmark(nodes);
      h.unmark(indexed);
      return results;
    },

    'empty': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        // IE treats comments as element nodes
        if (node.tagName == '!' || node.firstChild) continue;
        results.push(node);
      }
      return results;
    },

    'not': function(nodes, selector, root) {
      var h = Selector.handlers, selectorType, m;
      var exclusions = new Selector(selector).findElements(root);
      h.mark(exclusions);
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node._countedByPrototype) results.push(node);
      h.unmark(exclusions);
      return results;
    },

    'enabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node.disabled && (!node.type || node.type !== 'hidden'))
          results.push(node);
      return results;
    },

    'disabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.disabled) results.push(node);
      return results;
    },

    'checked': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.checked) results.push(node);
      return results;
    }
  },

  operators: {
    '=':  function(nv, v) { return nv == v; },
    '!=': function(nv, v) { return nv != v; },
    '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); },
    '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
    '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
    '$=': function(nv, v) { return nv.endsWith(v); },
    '*=': function(nv, v) { return nv.include(v); },
    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
    '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
     '-').include('-' + (v || "").toUpperCase() + '-'); }
  },

  split: function(expression) {
    var expressions = [];
    expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
      expressions.push(m[1].strip());
    });
    return expressions;
  },

  matchElements: function(elements, expression) {
    var matches = $$(expression), h = Selector.handlers;
    h.mark(matches);
    for (var i = 0, results = [], element; element = elements[i]; i++)
      if (element._countedByPrototype) results.push(element);
    h.unmark(matches);
    return results;
  },

  findElement: function(elements, expression, index) {
    if (Object.isNumber(expression)) {
      index = expression; expression = false;
    }
    return Selector.matchElements(elements, expression || '*')[index || 0];
  },

  findChildElements: function(element, expressions) {
    expressions = Selector.split(expressions.join(','));
    var results = [], h = Selector.handlers;
    for (var i = 0, l = expressions.length, selector; i < l; i++) {
      selector = new Selector(expressions[i].strip());
      h.concat(results, selector.findElements(element));
    }
    return (l > 1) ? h.unique(results) : results;
  }
});

if (Prototype.Browser.IE) {
  Object.extend(Selector.handlers, {
    // IE returns comment nodes on getElementsByTagName("*").
    // Filter them out.
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        if (node.tagName !== "!") a.push(node);
      return a;
    },

    // IE improperly serializes _countedByPrototype in (inner|outer)HTML.
    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node.removeAttribute('_countedByPrototype');
      return nodes;
    }
  });
}

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}
var Form = {
  reset: function(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) {
            // a key is already present; construct an array of values
            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) {
    return $A($(form).getElementsByTagName('*')).inject([],
      function(elements, child) {
        if (Form.Element.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'].include(element.tagName.toLowerCase());
    });
  },

  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'].include(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) {
    // extend element because hasAttribute may not be native
    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);
  }
});
if (!window.Event) var Event = { };

Object.extend(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: { },

  relatedTarget: function(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);
  }
});

Event.Methods = (function() {
  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);
    };
  }

  return {
    isLeftClick:   function(event) { return isButton(event, 0) },
    isMiddleClick: function(event) { return isButton(event, 1) },
    isRightClick:  function(event) { return isButton(event, 2) },

    element: function(event) {
      event = Event.extend(event);

      var node          = event.target,
          type          = event.type,
          currentTarget = event.currentTarget;

      if (currentTarget && currentTarget.tagName) {
        // Firefox screws up the "click" event when moving between radio buttons
        // via arrow keys. It also screws up the "load" and "error" events on images,
        // reporting the document as the target instead of the original image.
        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);
    },

    findElement: function(event, expression) {
      var element = Event.element(event);
      if (!expression) return element;
      var elements = [element].concat(element.ancestors());
      return Selector.findElement(elements, expression, 0);
    },

    pointer: function(event) {
      var docElement = document.documentElement,
      body = document.body || { scrollLeft: 0, scrollTop: 0 };
      return {
        x: event.pageX || (event.clientX +
          (docElement.scrollLeft || body.scrollLeft) -
          (docElement.clientLeft || 0)),
        y: event.pageY || (event.clientY +
          (docElement.scrollTop || body.scrollTop) -
          (docElement.clientTop || 0))
      };
    },

    pointerX: function(event) { return Event.pointer(event).x },
    pointerY: function(event) { return Event.pointer(event).y },

    stop: function(event) {
      Event.extend(event);
      event.preventDefault();
      event.stopPropagation();
      event.stopped = true;
    }
  };
})();

Event.extend = (function() {
  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
    m[name] = Event.Methods[name].methodize();
    return m;
  });

  if (Prototype.Browser.IE) {
    Object.extend(methods, {
      stopPropagation: function() { this.cancelBubble = true },
      preventDefault:  function() { this.returnValue = false },
      inspect: function() { return "[object Event]" }
    });

    return function(event) {
      if (!event) return false;
      if (event._extendedByPrototype) return event;

      event._extendedByPrototype = Prototype.emptyFunction;
      var pointer = Event.pointer(event);
      Object.extend(event, {
        target: event.srcElement,
        relatedTarget: Event.relatedTarget(event),
        pageX:  pointer.x,
        pageY:  pointer.y
      });
      return Object.extend(event, methods);
    };

  } else {
    Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__'];
    Object.extend(Event.prototype, methods);
    return Prototype.K;
  }
})();

Object.extend(Event, (function() {
  var cache = Event.cache;

  function getEventID(element) {
    if (element._prototypeEventID) return element._prototypeEventID[0];
    arguments.callee.id = arguments.callee.id || 1;
    return element._prototypeEventID = [++arguments.callee.id];
  }

  function getDOMEventName(eventName) {
    if (eventName && eventName.include(':')) return "dataavailable";
    return eventName;
  }

  function getCacheForID(id) {
    return cache[id] = cache[id] || { };
  }

  function getWrappersForEventName(id, eventName) {
    var c = getCacheForID(id);
    return c[eventName] = c[eventName] || [];
  }

  function createWrapper(element, eventName, handler) {
    var id = getEventID(element);
    var c = getWrappersForEventName(id, eventName);
    if (c.pluck("handler").include(handler)) return false;

    var wrapper = function(event) {
      if (!Event || !Event.extend ||
        (event.eventName && event.eventName != eventName))
          return false;

      Event.extend(event);
      handler.call(element, event);
    };

    wrapper.handler = handler;
    c.push(wrapper);
    return wrapper;
  }

  function findWrapper(id, eventName, handler) {
    var c = getWrappersForEventName(id, eventName);
    return c.find(function(wrapper) { return wrapper.handler == handler });
  }

  function destroyWrapper(id, eventName, handler) {
    var c = getCacheForID(id);
    if (!c[eventName]) return false;
    c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
  }

  function destroyCache() {
    for (var id in cache)
      for (var eventName in cache[id])
        cache[id][eventName] = null;
  }


  // Internet Explorer needs to remove event handlers on page unload
  // in order to avoid memory leaks.
  if (window.attachEvent) {
    window.attachEvent("onunload", destroyCache);
  }

  // Safari has a dummy event handler on page unload so that it won't
  // use its bfcache. Safari <= 3.1 has an issue with restoring the "document"
  // object when page is returned to via the back button using its bfcache.
  if (Prototype.Browser.WebKit) {
    window.addEventListener('unload', Prototype.emptyFunction, false);
  }

  return {
    observe: function(element, eventName, handler) {
      element = $(element);
      var name = getDOMEventName(eventName);

      var wrapper = createWrapper(element, eventName, handler);
      if (!wrapper) return element;

      if (element.addEventListener) {
        element.addEventListener(name, wrapper, false);
      } else {
        element.attachEvent("on" + name, wrapper);
      }

      return element;
    },

    stopObserving: function(element, eventName, handler) {
      element = $(element);
      var id = getEventID(element), name = getDOMEventName(eventName);

      if (!handler && eventName) {
        getWrappersForEventName(id, eventName).each(function(wrapper) {
          element.stopObserving(eventName, wrapper.handler);
        });
        return element;

      } else if (!eventName) {
        Object.keys(getCacheForID(id)).each(function(eventName) {
          element.stopObserving(eventName);
        });
        return element;
      }

      var wrapper = findWrapper(id, eventName, handler);
      if (!wrapper) return element;

      if (element.removeEventListener) {
        element.removeEventListener(name, wrapper, false);
      } else {
        element.detachEvent("on" + name, wrapper);
      }

      destroyWrapper(id, eventName, handler);

      return element;
    },

    fire: function(element, eventName, memo) {
      element = $(element);
      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 = "ondataavailable";
      }

      event.eventName = eventName;
      event.memo = memo || { };

      if (document.createEvent) {
        element.dispatchEvent(event);
      } else {
        element.fireEvent(event.eventType, event);
      }

      return Event.extend(event);
    }
  };
})());

Object.extend(Event, Event.Methods);

Element.addMethods({
  fire:          Event.fire,
  observe:       Event.observe,
  stopObserving: Event.stopObserving
});

Object.extend(document, {
  fire:          Element.Methods.fire.methodize(),
  observe:       Element.Methods.observe.methodize(),
  stopObserving: Element.Methods.stopObserving.methodize(),
  loaded:        false
});

(function() {
  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
     Matthias Miller, Dean Edwards and John Resig. */

  var timer;

  function fireContentLoadedEvent() {
    if (document.loaded) return;
    if (timer) window.clearInterval(timer);
    document.fire("dom:loaded");
    document.loaded = true;
  }

  if (document.addEventListener) {
    if (Prototype.Browser.WebKit) {
      timer = window.setInterval(function() {
        if (/loaded|complete/.test(document.readyState))
          fireContentLoadedEvent();
      }, 0);

      Event.observe(window, "load", fireContentLoadedEvent);

    } else {
      document.addEventListener("DOMContentLoaded",
        fireContentLoadedEvent, false);
    }

  } else {
    document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
    $("__onDOMContentLoaded").onreadystatechange = function() {
      if (this.readyState == "complete") {
        this.onreadystatechange = null;
        fireContentLoadedEvent();
      }
    };
  }
})();
/*------------------------------- 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');

// This should be moved to script.aculo.us; notice the deprecated methods
// further below, that map to the newer Element methods.
var Position = {
  // set to true if needed, warning: firefox performance problems
  // NOT neeeded for page scrolling, only if draggable contained in
  // scrollable elements
  includeScrollOffsets: false,

  // must be called before calling withinIncludingScrolloffset, every time the
  // page is scrolled
  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  // caches x/y coordinate pair to use with overlap
  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);
  },

  // within must be called directly before
  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;
  },

  // Deprecation layer -- use newer Element methods now (1.5.2).

  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);

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

Element.addMethods();

/*
        DatePicker v4.4 by frequency-decoder.com

        Released under a creative commons Attribution-ShareAlike 2.5 license (http://creativecommons.org/licenses/by-sa/2.5/)

        Please credit frequency-decoder in any derivative work - thanks.
        
        You are free:

        * to copy, distribute, display, and perform the work
        * to make derivative works
        * to make commercial use of the work

        Under the following conditions:

                by Attribution.
                --------------
                You must attribute the work in the manner specified by the author or licensor.

                sa
                --
                Share Alike. If you alter, transform, or build upon this work, you may distribute the resulting work only under a license identical to this one.

        * For any reuse or distribution, you must make clear to others the license terms of this work.
        * Any of these conditions can be waived if you get permission from the copyright holder.
*/
var datePickerController;

(function() {

// Detect the browser language
datePicker.languageinfo = navigator.language ? navigator.language : navigator.userLanguage;
datePicker.languageinfo = datePicker.languageinfo ? datePicker.languageinfo.toLowerCase().replace(/-[a-z]+$/, "") : 'en';

// Load the appropriate language file
var scriptFiles = document.getElementsByTagName('head')[0].getElementsByTagName('script');
var loc = scriptFiles[scriptFiles.length - 1].src.substr(0, scriptFiles[scriptFiles.length - 1].src.lastIndexOf("/")) + "/lang/" + datePicker.languageinfo + ".js";

var script  = document.createElement('script');
script.type = "text/javascript";
script.src  = loc;
script.setAttribute("charset", "utf-8");
/*@cc_on
/*@if(@_win32)
        var bases = document.getElementsByTagName('base');
        if (bases.length && bases[0].childNodes.length) {
                bases[0].appendChild(script);
        } else {
                document.getElementsByTagName('head')[0].appendChild(script);
        };
@else @*/
document.getElementsByTagName('head')[0].appendChild(script);
/*@end
@*/
script  = null;

// Defaults should the locale file not load
datePicker.months       = ["January","February","March","April","May","June","July","August","September","October","November","December"];
datePicker.fullDay      = ["Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"];
datePicker.titles       = ["Previous month","Next month","Previous year","Next year", "Today", "Show Calendar"];

datePicker.getDaysPerMonth = function(nMonth, nYear) {
        nMonth = (nMonth + 12) % 12;
        return (((0 == (nYear%4)) && ((0 != (nYear%100)) || (0 == (nYear%400)))) && nMonth == 1) ? 29: [31,28,31,30,31,30,31,31,30,31,30,31][nMonth];
};

function datePicker(options) {

        this.defaults          = {};
        for(opt in options) { this[opt] = this.defaults[opt] = options[opt]; };
        
        this.date              = new Date();
        this.yearinc           = 1;
        this.timer             = null;
        this.pause             = 1000;
        this.timerSet          = false;
        this.fadeTimer         = null;
        this.interval          = new Date();
        this.firstDayOfWeek    = this.defaults.firstDayOfWeek = this.dayInc = this.monthInc = this.yearInc = this.opacity = this.opacityTo = 0;
        this.dateSet           = null;
        this.visible           = false;
        this.disabledDates     = [];
        this.enabledDates      = [];
        this.nbsp              = String.fromCharCode( 160 );
        var o = this;

        o.events = {
                onblur:function(e) {
                        o.removeKeyboardEvents();
                },
                onfocus:function(e) {
                        o.addKeyboardEvents();
                },
                onkeydown: function (e) {
                        o.stopTimer();
                        if(!o.visible) return false;

                        if(e == null) e = document.parentWindow.event;
                        var kc = e.keyCode ? e.keyCode : e.charCode;

                        if( kc == 13 ) {
                                // close (return)
                                var td = document.getElementById(o.id + "-date-picker-hover");
                                if(!td || td.className.search(/out-of-range|day-disabled/) != -1) return o.killEvent(e);
                                o.returnFormattedDate();
                                o.hide();
                                return o.killEvent(e);
                        } else if(kc == 27) {
                                // close (esc)
                                o.hide();
                                return o.killEvent(e);
                        } else if(kc == 32 || kc == 0) {
                                // today (space)
                                o.date =  new Date();
                                o.updateTable();
                                return o.killEvent(e);
                        };

                        // Internet Explorer fires the keydown event faster than the JavaScript engine can
                        // update the interface. The following attempts to fix this.
                        /*@cc_on
                        @if(@_win32)
                                if(new Date().getTime() - o.interval.getTime() < 100) return o.killEvent(e);
                                o.interval = new Date();
                        @end
                        @*/

                        if ((kc > 49 && kc < 56) || (kc > 97 && kc < 104)) {
                                if (kc > 96) kc -= (96-48);
                                kc -= 49;
                                o.firstDayOfWeek = (o.firstDayOfWeek + kc) % 7;
                                o.updateTable();
                                return o.killEvent(e);
                        };

                        if ( kc < 37 || kc > 40 ) return true;

                        var d = new Date( o.date ).valueOf();

                        if ( kc == 37 ) {
                                // ctrl + left = previous month
                                if( e.ctrlKey ) {
                                        d = new Date( o.date );
                                        d.setDate( Math.min(d.getDate(), datePicker.getDaysPerMonth(d.getMonth() - 1,d.getFullYear())) );
                                        d.setMonth( d.getMonth() - 1 );
                                } else {
                                        d = new Date( o.date.getFullYear(), o.date.getMonth(), o.date.getDate() - 1 );
                                };
                        } else if ( kc == 39 ) {
                                // ctrl + right = next month
                                if( e.ctrlKey ) {
                                        d = new Date( o.date );
                                        d.setDate( Math.min(d.getDate(), datePicker.getDaysPerMonth(d.getMonth() + 1,d.getFullYear())) );
                                        d.setMonth( d.getMonth() + 1 );
                                } else {
                                        d = new Date( o.date.getFullYear(), o.date.getMonth(), o.date.getDate() + 1 );
                                };
                        } else if ( kc == 38 ) {
                                // ctrl + up = next year
                                if( e.ctrlKey ) {
                                        d = new Date( o.date );
                                        d.setDate( Math.min(d.getDate(), datePicker.getDaysPerMonth(d.getMonth(),d.getFullYear() + 1)) );
                                        d.setFullYear( d.getFullYear() + 1 );
                                } else {
                                        d = new Date( o.date.getFullYear(), o.date.getMonth(), o.date.getDate() - 7 );
                                };
                        } else if ( kc == 40 ) {
                                // ctrl + down = prev year
                                if( e.ctrlKey ) {
                                        d = new Date( o.date );
                                        d.setDate( Math.min(d.getDate(), datePicker.getDaysPerMonth(d.getMonth(),d.getFullYear() - 1)) );
                                        d.setFullYear( d.getFullYear() - 1 );
                                } else {
                                        d = new Date( o.date.getFullYear(), o.date.getMonth(), o.date.getDate() + 7 );
                                };
                        };

                        var tmpDate = new Date(d);

                        if(o.outOfRange(tmpDate)) return o.killEvent(e);
                        
                        var cacheDate = new Date(o.date);
                        o.date = tmpDate;

                        if(cacheDate.getFullYear() != o.date.getFullYear() || cacheDate.getMonth() != o.date.getMonth()) o.updateTable();
                        else {
                                o.disableTodayButton();
                                var tds = o.table.getElementsByTagName('td');
                                var txt;
                                var start = o.date.getDate() - 6;
                                if(start < 0) start = 0;

                                for(var i = start, td; td = tds[i]; i++) {
                                        txt = Number(td.firstChild.nodeValue);
                                        if(isNaN(txt) || txt != o.date.getDate()) continue;
                                        o.removeHighlight();
                                        td.id = o.id + "-date-picker-hover";
                                        td.className = td.className.replace(/date-picker-hover/g, "") + " date-picker-hover";
                                };
                        };
                        return o.killEvent(e);
                },
                gotoToday: function(e) {
                        o.date = new Date();
                        o.updateTable();
                        return o.killEvent(e);
                },
                onmousedown: function(e) {
                        if ( e == null ) e = document.parentWindow.event;
                        var el = e.target != null ? e.target : e.srcElement;

                        var found = false;
                        while(el.parentNode) {
                                if(el.id && (el.id == "fd-"+o.id || el.id == "fd-but-"+o.id)) {
                                        found = true;
                                        break;
                                };
                                try {
                                        el = el.parentNode;
                                } catch(err) {
                                        break;
                                };
                        };
                        if(found) return true;
                        o.stopTimer();
                        datePickerController.hideAll();
                },
                onmouseover: function(e) {
                        o.stopTimer();
                        var txt = this.firstChild.nodeValue;
                        if(this.className == "out-of-range" || txt.search(/^[\d]+$/) == -1) return;
                        
                        o.removeHighlight();
                        
                        this.id = o.id+"-date-picker-hover";
                        this.className = this.className.replace(/date-picker-hover/g, "") + " date-picker-hover";
                        
                        o.date.setDate(this.firstChild.nodeValue);
                        o.disableTodayButton();
                },
                onclick: function(e) {
                        if(o.opacity != o.opacityTo || this.className.search(/out-of-range|day-disabled/) != -1) return false;
                        if ( e == null ) e = document.parentWindow.event;
                        var el = e.target != null ? e.target : e.srcElement;
                        while ( el.nodeType != 1 ) el = el.parentNode;
                        var d = new Date( o.date );
                        var txt = el.firstChild.data;
                        if(txt.search(/^[\d]+$/) == -1) return;
                        var n = Number( txt );
                        if(isNaN(n)) { return true; };
                        d.setDate( n );
                        o.date = d;
                        o.returnFormattedDate();
                        if(!o.staticPos) o.hide();
                        o.stopTimer();
                        return o.killEvent(e);
                },
                incDec: function(e) {
                        if ( e == null ) e = document.parentWindow.event;
                        var el = e.target != null ? e.target : e.srcElement;

                        if(el && el.className && el.className.search('fd-disabled') != -1) { return false; }
                        datePickerController.addEvent(document, "mouseup", o.events.clearTimer);
                        o.timerInc      = 800;
                        o.dayInc        = arguments[1];
                        o.yearInc       = arguments[2];
                        o.monthInc      = arguments[3];
                        o.timerSet      = true;

                        o.updateTable();
                        return true;
                },
                clearTimer: function(e) {
                        o.stopTimer();
                        o.timerInc      = 1000;
                        o.yearInc       = 0;
                        o.monthInc      = 0;
                        o.dayInc        = 0;
                        datePickerController.removeEvent(document, "mouseup", o.events.clearTimer);
                }
        };
        o.stopTimer = function() {
                o.timerSet = false;
                window.clearTimeout(o.timer);
        };
        o.removeHighlight = function() {
                if(document.getElementById(o.id+"-date-picker-hover")) {
                        document.getElementById(o.id+"-date-picker-hover").className = document.getElementById(o.id+"-date-picker-hover").className.replace("date-picker-hover", "");
                        document.getElementById(o.id+"-date-picker-hover").id = "";
                };
        };
        o.reset = function() {
                for(def in o.defaults) { o[def] = o.defaults[def]; };
        };
        o.setOpacity = function(op) {
                o.div.style.opacity = op/100;
                o.div.style.filter = 'alpha(opacity=' + op + ')';
                o.opacity = op;
        };
        o.fade = function() {
                window.clearTimeout(o.fadeTimer);
                o.fadeTimer = null;
                delete(o.fadeTimer);
                
                var diff = Math.round(o.opacity + ((o.opacityTo - o.opacity) / 4));

                o.setOpacity(diff);

                if(Math.abs(o.opacityTo - diff) > 3 && !o.noTransparency) {
                        o.fadeTimer = window.setTimeout(o.fade, 50);
                } else {
                        o.setOpacity(o.opacityTo);
                        if(o.opacityTo == 0) {
                                o.div.style.display = "none";
                                o.visible = false;
                        } else {
                                o.visible = true;
                        };
                };
        };
        o.killEvent = function(e) {
                e = e || document.parentWindow.event;
                
                if(e.stopPropagation) {
                        e.stopPropagation();
                        e.preventDefault();
                };
                
                /*@cc_on
                @if(@_win32)
                e.cancelBubble = true;
                e.returnValue = false;
                @end
                @*/
                return false;
        };
        o.getElem = function() {
                return document.getElementById(o.id.replace(/^fd-/, '')) || false;
        };
        o.setRangeLow = function(range) {
                if(String(range).search(/^(\d\d?\d\d)(0[1-9]|1[012])(0[1-9]|[12][0-9]|3[01])$/) == -1) range = '';
                o.low = o.defaults.low = range;
                if(o.staticPos) o.updateTable(true);
        };
        o.setRangeHigh = function(range) {
                if(String(range).search(/^(\d\d?\d\d)(0[1-9]|1[012])(0[1-9]|[12][0-9]|3[01])$/) == -1) range = '';
                o.high = o.defaults.high = range;
                if(o.staticPos) o.updateTable(true);
        };
        o.setDisabledDays = function(dayArray) {
                o.disableDays = o.defaults.disableDays = dayArray;
                if(o.staticPos) o.updateTable(true);
        };
        o.setDisabledDates = function(dateArray) {
                var fin = [];
                for(var i = dateArray.length; i-- ;) {
                        if(dateArray[i].match(/^(\d\d\d\d|\*\*\*\*)(0[1-9]|1[012]|\*\*)(0[1-9]|[12][0-9]|3[01])$/) != -1) fin[fin.length] = dateArray[i];
                };
                if(fin.length) {
                        o.disabledDates = fin;
                        o.enabledDates = [];
                        if(o.staticPos) o.updateTable(true);
                };
        };
        o.setEnabledDates = function(dateArray) {
                var fin = [];
                for(var i = dateArray.length; i-- ;) {
                        if(dateArray[i].match(/^(\d\d\d\d|\*\*\*\*)(0[1-9]|1[012]|\*\*)(0[1-9]|[12][0-9]|3[01]|\*\*)$/) != -1 && dateArray[i] != "********") fin[fin.length] = dateArray[i];
                };
                if(fin.length) {
                        o.disabledDates = [];
                        o.enabledDates = fin;
                        if(o.staticPos) o.updateTable(true);
                };
        };
        o.getDisabledDates = function(y, m) {
                if(o.enabledDates.length) return o.getEnabledDates(y, m);
                var obj = {};
                var d = datePicker.getDaysPerMonth(m - 1, y);
                m = m < 10 ? "0" + String(m) : m;
                for(var i = o.disabledDates.length; i-- ;) {
                        var tmp = o.disabledDates[i].replace("****", y).replace("**", m);
                        if(tmp < Number(String(y)+m+"01") || tmp > Number(y+String(m)+d)) continue;
                        obj[tmp] = 1;
                };
                return obj;
        };
        o.getEnabledDates = function(y, m) {
                var obj = {};
                var d = datePicker.getDaysPerMonth(m - 1, y);
                m = m < 10 ? "0" + String(m) : m;
                var day,tmp,de,me,ye,disabled;
                for(var dd = 1; dd <= d; dd++) {
                        day = dd < 10 ? "0" + String(dd) : dd;
                        disabled = true;
                        for(var i = o.enabledDates.length; i-- ;) {
                                tmp = o.enabledDates[i];
                                ye  = String(o.enabledDates[i]).substr(0,4);
                                me  = String(o.enabledDates[i]).substr(4,2);
                                de  = String(o.enabledDates[i]).substr(6,2);

                                if(ye == y && me == m && de == day) {
                                        disabled = false;
                                        break;
                                }
                                
                                if(ye == "****" || me == "**" || de == "**") {
                                        if(ye == "****") tmp = tmp.replace(/^\*\*\*\*/, y);
                                        if(me == "**")   tmp = tmp = tmp.substr(0,4) + String(m) + tmp.substr(6,2);
                                        if(de == "**")   tmp = tmp.replace(/\*\*/, day);

                                        if(tmp == String(y + String(m) + day)) {
                                                disabled = false;
                                                break;
                                        };
                                };
                        };
                        if(disabled) obj[String(y + String(m) + day)] = 1;
                };
                return obj;
        };
        o.setFirstDayOfWeek = function(e) {
                if ( e == null ) e = document.parentWindow.event;
                var elem = e.target != null ? e.target : e.srcElement;
                if(elem.tagName.toLowerCase() != "th") {
                        while(elem.tagName.toLowerCase() != "th") elem = elem.parentNode;
                };
                var cnt = 0;
                while(elem.previousSibling) {
                        elem = elem.previousSibling;
                        if(elem.tagName.toLowerCase() == "th") cnt++;
                };
                o.firstDayOfWeek = (o.firstDayOfWeek + cnt) % 7;
                o.updateTableHeaders();
                return o.killEvent(e);
        };
        o.truePosition = function(element) {
                var pos = o.cumulativeOffset(element);
                if(window.opera) { return pos; }
                var iebody      = (document.compatMode && document.compatMode != "BackCompat")? document.documentElement : document.body;
                var dsocleft    = document.all ? iebody.scrollLeft : window.pageXOffset;
                var dsoctop     = document.all ? iebody.scrollTop  : window.pageYOffset;
                var posReal     = o.realOffset(element);
                return [pos[0] - posReal[0] + dsocleft, pos[1] - posReal[1] + dsoctop];
        };
        o.realOffset = function(element) {
                var t = 0, l = 0;
                do {
                        t += element.scrollTop  || 0;
                        l += element.scrollLeft || 0;
                        element = element.parentNode;
                } while (element);
                return [l, t];
        };
        o.cumulativeOffset = function(element) {
                var t = 0, l = 0;
                do {
                        t += element.offsetTop  || 0;
                        l += element.offsetLeft || 0;
                        element = element.offsetParent;
                } while (element);
                return [l, t];
        };
        o.resize = function() {
                if(!o.created || !o.getElem()) return;
                
                o.div.style.visibility = "hidden";
                if(!o.staticPos) { o.div.style.left = o.div.style.top = "0px"; }
                o.div.style.display = "block";
                
                var osh = o.div.offsetHeight;
                var osw = o.div.offsetWidth;
                
                o.div.style.visibility = "visible";
                o.div.style.display = "none";
                
                if(!o.staticPos) {
                        var elem          = document.getElementById('fd-but-' + o.id);
                        var pos           = o.truePosition(elem);
                        var trueBody      = (document.compatMode && document.compatMode!="BackCompat") ? document.documentElement : document.body;
                        var scrollTop     = window.devicePixelRatio || window.opera ? 0 : trueBody.scrollTop;
                        var scrollLeft    = window.devicePixelRatio || window.opera ? 0 : trueBody.scrollLeft;

                        if(parseInt(trueBody.clientWidth+scrollLeft) < parseInt(osw+pos[0])) {
                                o.div.style.left = Math.abs(parseInt((trueBody.clientWidth+scrollLeft) - osw)) + "px";
                        } else {
                                o.div.style.left  = pos[0] + "px";
                        };

                        if(parseInt(trueBody.clientHeight+scrollTop) < parseInt(osh+pos[1]+elem.offsetHeight+2)) {
                                o.div.style.top   = Math.abs(parseInt(pos[1] - (osh + 2))) + "px";
                        } else {
                                o.div.style.top   = Math.abs(parseInt(pos[1] + elem.offsetHeight + 2)) + "px";
                        };
                };
                /*@cc_on
                @if(@_jscript_version <= 5.6)
                if(o.staticPos) return;
                o.iePopUp.style.top    = o.div.style.top;
                o.iePopUp.style.left   = o.div.style.left;
                o.iePopUp.style.width  = osw + "px";
                o.iePopUp.style.height = (osh - 2) + "px";
                @end
                @*/
        };
        o.equaliseDates = function() {
                var clearDayFound = false;
                var tmpDate;
                for(var i = o.low; i <= o.high; i++) {
                        tmpDate = String(i);
                        if(!o.disableDays[new Date(tmpDate.substr(0,4), tmpDate.substr(6,2), tmpDate.substr(4,2)).getDay() - 1]) {
                                clearDayFound = true;
                                break;
                        };
                };
                if(!clearDayFound) o.disableDays = o.defaults.disableDays = [0,0,0,0,0,0,0];
        };
        o.outOfRange = function(tmpDate) {
                if(!o.low && !o.high) return false;

                var level = false;
                if(!tmpDate) {
                        level = true;
                        tmpDate = o.date;
                };
                
                var d  = (tmpDate.getDate() < 10) ? "0" + tmpDate.getDate() : tmpDate.getDate();
                var m  = ((tmpDate.getMonth() + 1) < 10) ? "0" + (tmpDate.getMonth() + 1) : tmpDate.getMonth() + 1;
                var y  = tmpDate.getFullYear();
                var dt = String(y)+String(m)+String(d);

                if(o.low && parseInt(dt) < parseInt(o.low)) {
                        if(!level) return true;
                        o.date = new Date(o.low.substr(0,4), o.low.substr(4,2)-1, o.low.substr(6,2), 5, 0, 0);
                        return false;
                };
                if(o.high && parseInt(dt) > parseInt(o.high)) {
                        if(!level) return true;
                        o.date = new Date( o.high.substr(0,4), o.high.substr(4,2)-1, o.high.substr(6,2), 5, 0, 0);
                };
                return false;
        };
        o.createButton = function() {
                if(o.staticPos) { return; };
                
                var but;
                
                if(!document.getElementById("fd-but-" + o.id)) {
                        var inp = o.getElem();
                        
                        but = document.createElement('a');
                        but.href = "#";

                        var span = document.createElement('span');
                        span.appendChild(document.createTextNode(String.fromCharCode( 160 )));

                        but.className = "date-picker-control";
                        but.title = (typeof(fdLocale) == "object" && options.locale && fdLocale.titles.length > 5) ? fdLocale.titles[5] : "";

                        but.id = "fd-but-" + o.id;
                        but.appendChild(span);

                        if(inp.nextSibling) {
                                inp.parentNode.insertBefore(but, inp.nextSibling);
                        } else {
                                inp.parentNode.appendChild(but);
                        };
                } else {
                        but = document.getElementById("fd-but-" + o.id);
                };

                but.onclick = but.onpress = function(e) {
                        e = e || window.event;
                        var inpId = this.id.replace('fd-but-','');
                        try { var dp = datePickerController.getDatePicker(inpId); } catch(err) { return false; };

                        if(e.type == "press") {
                                var kc = e.keyCode != null ? e.keyCode : e.charCode;
                                if(kc != 13) { return true; };
                                if(dp.visible) {
                                        hideAll();
                                        return false;
                                };
                        };

                        if(!dp.visible) {
                                datePickerController.hideAll(inpId);
                                dp.show();
                        } else {
                                datePickerController.hideAll();
                        };
                        return false;
                };
                but = null;
        },
        o.create = function() {
                
                function createTH(details) {
                        var th = document.createElement('th');
                        if(details.thClassName) th.className = details.thClassName;
                        if(details.colspan) {
                                /*@cc_on
                                /*@if (@_win32)
                                th.setAttribute('colSpan',details.colspan);
                                @else @*/
                                th.setAttribute('colspan',details.colspan);
                                /*@end
                                @*/
                        };
                        /*@cc_on
                        /*@if (@_win32)
                        th.unselectable = "on";
                        /*@end@*/
                        return th;
                };
                
                function createThAndButton(tr, obj) {
                        for(var i = 0, details; details = obj[i]; i++) {
                                var th = createTH(details);
                                tr.appendChild(th);
                                var but = document.createElement('span');
                                but.className = details.className;
                                but.id = o.id + details.id;
                                but.appendChild(document.createTextNode(details.text));
                                but.title = details.title || "";
                                if(details.onmousedown) but.onmousedown = details.onmousedown;
                                if(details.onclick)     but.onclick     = details.onclick;
                                if(details.onmouseout)  but.onmouseout  = details.onmouseout;
                                th.appendChild(but);
                        };
                };
                
                /*@cc_on
                @if(@_jscript_version <= 5.6)
                        if(!document.getElementById("iePopUpHack")) {
                                o.iePopUp = document.createElement('iframe');
                                o.iePopUp.src = "javascript:'<html></html>';";
                                o.iePopUp.setAttribute('className','iehack');
                                o.iePopUp.scrolling="no";
                                o.iePopUp.frameBorder="0";
                                o.iePopUp.name = o.iePopUp.id = "iePopUpHack";
                                document.body.appendChild(o.iePopUp);
                        } else {
                                o.iePopUp = document.getElementById("iePopUpHack");
                        };
                @end
                @*/
                
                if(typeof(fdLocale) == "object" && o.locale) {
                        datePicker.titles  = fdLocale.titles;
                        datePicker.months  = fdLocale.months;
                        datePicker.fullDay = fdLocale.fullDay;
                        // Optional parameters
                        if(fdLocale.dayAbbr) datePicker.dayAbbr = fdLocale.dayAbbr;
                        if(fdLocale.firstDayOfWeek) o.firstDayOfWeek = o.defaults.firstDayOfWeek = fdLocale.firstDayOfWeek;
                };
                
                o.div = document.createElement('div');
                o.div.style.zIndex = 9999;
                o.div.id = "fd-"+o.id;
                o.div.className = "datePicker";
                
                if(!o.staticPos) {
                        document.getElementsByTagName('body')[0].appendChild(o.div);
                } else {
                        elem = o.getElem();
                        if(!elem) {
                                o.div = null;
                                return;
                        };
                        o.div.className += " staticDP";
                        o.div.setAttribute("tabIndex", "0");
                        o.div.onfocus = o.events.onfocus;
                        o.div.onblur  = o.events.onblur;
                        elem.parentNode.insertBefore(o.div, elem.nextSibling);
                        if(o.hideInput && elem.type && elem.type == "text") elem.setAttribute("type", "hidden");
                };
                
                //var nbsp = String.fromCharCode( 160 );
                var tr, row, col, tableHead, tableBody;

                o.table = document.createElement('table');
                o.div.appendChild( o.table );
                
                tableHead = document.createElement('thead');
                o.table.appendChild( tableHead );
                
                tr  = document.createElement('tr');
                tableHead.appendChild(tr);

                // Title Bar
                o.titleBar = createTH({thClassName:"date-picker-title", colspan:7});
                tr.appendChild( o.titleBar );
                tr = null;
                
                var span = document.createElement('span');
                span.className = "month-display";
                o.titleBar.appendChild(span);

                span = document.createElement('span');
                span.className = "year-display";
                o.titleBar.appendChild(span);

                span = null;
                
                tr  = document.createElement('tr');
                tableHead.appendChild(tr);

                createThAndButton(tr, [{className:"prev-but", id:"-prev-year-but", text:"\u00AB", title:datePicker.titles[2], onmousedown:function(e) { o.events.incDec(e,0,-1,0); }, onmouseout:o.events.clearTimer },{className:"prev-but", id:"-prev-month-but", text:"\u2039", title:datePicker.titles[0], onmousedown:function(e) { o.events.incDec(e,0,0,-1); }, onmouseout:o.events.clearTimer },{colspan:3, className:"today-but", id:"-today-but", text:datePicker.titles.length > 4 ? datePicker.titles[4] : "Today", onclick:o.events.gotoToday},{className:"next-but", id:"-next-month-but", text:"\u203A", title:datePicker.titles[1], onmousedown:function(e) { o.events.incDec(e,0,0,1); }, onmouseout:o.events.clearTimer },{className:"next-but", id:"-next-year-but", text:"\u00BB", title:datePicker.titles[3], onmousedown:function(e) { o.events.incDec(e,0,1,0); }, onmouseout:o.events.clearTimer }]);

                tableBody = document.createElement('tbody');
                o.table.appendChild( tableBody );

                for(var rows = 0; rows < 7; rows++) {
                        row = document.createElement('tr');

                        if(rows != 0) tableBody.appendChild(row);
                        else          tableHead.appendChild(row);
                        
                        for(var cols = 0; cols < 7; cols++) {
                                col = (rows == 0) ? document.createElement('th') : document.createElement('td');

                                row.appendChild(col);
                                if(rows != 0) {
                                        col.appendChild(document.createTextNode(o.nbsp));
                                        col.onmouseover = o.events.onmouseover;
                                        col.onclick = o.events.onclick;
                                } else {
                                        col.className = "date-picker-day-header";
                                        col.scope = "col";
                                };
                                col = null;
                        };
                        row = null;
                };

                // Table headers
                var but;
                var ths = o.table.getElementsByTagName('thead')[0].getElementsByTagName('tr')[2].getElementsByTagName('th');
                for ( var y = 0; y < 7; y++ ) {
                        if(y > 0) {
                                but = document.createElement("span");
                                but.className = "fd-day-header";
                                but.onclick = ths[y].onclick = o.setFirstDayOfWeek;
                                but.appendChild(document.createTextNode(o.nbsp));
                                ths[y].appendChild(but);
                                but = null;
                        } else {
                                ths[y].appendChild(document.createTextNode(o.nbsp));
                        };
                };
                
                o.ths = o.table.getElementsByTagName('thead')[0].getElementsByTagName('tr')[2].getElementsByTagName('th');
                o.trs = o.table.getElementsByTagName('tbody')[0].getElementsByTagName('tr');
                
                o.updateTableHeaders();
                
                tableBody = tableHead = tr = createThAndButton = createTH = null;

                if(o.low && o.high && (o.high - o.low < 7)) { o.equaliseDates(); };
                
                o.created = true;
                
                if(o.staticPos) {
                        var yyN = document.getElementById(o.id);
                        datePickerController.addEvent(yyN, "change", o.changeHandler);
                        if(o.splitDate) {
                                var mmN = document.getElementById(o.id+'-mm');
                                var ddN = document.getElementById(o.id+'-dd');
                                datePickerController.addEvent(mmN, "change", o.changeHandler);
                                datePickerController.addEvent(ddN, "change", o.changeHandler);
                        };
                        
                        o.show();
                } else {
                        o.createButton();
                        o.resize();
                        o.fade();
                };
        };
        o.changeHandler = function() {
                o.setDateFromInput();
                o.updateTable();
        };
        o.setDateFromInput = function() {
                function m2c(val) {
                        return String(val).length < 2 ? "00".substring(0, 2 - String(val).length) + String(val) : val;
                };

                o.dateSet = null;
                
                var elem = o.getElem();
                if(!elem) return;

                if(!o.splitDate) {
                        var date = datePickerController.dateFormat(elem.value, o.format.search(/m-d-y/i) != -1);
                } else {
                        var mmN = document.getElementById(o.id+'-mm');
                        var ddN = document.getElementById(o.id+'-dd');
                        var tm = parseInt(mmN.tagName.toLowerCase() == "input"  ? mmN.value  : mmN.options[mmN.selectedIndex].value, 10);
                        var td = parseInt(ddN.tagName.toLowerCase() == "input"  ? ddN.value  : ddN.options[ddN.selectedIndex].value, 10);
                        var ty = parseInt(elem.tagName.toLowerCase() == "input" ? elem.value : elem.options[elem.selectedIndex || 0].value, 10);
                        var date = datePickerController.dateFormat(tm + "/" + td + "/" + ty, true);
                };

                var badDate = false;
                if(!date) {
                        badDate = true;
                        date = String(new Date().getFullYear()) + m2c(new Date().getMonth()+1) + m2c(new Date().getDate());
                };

                var d,m,y;
                y = Number(date.substr(0, 4));
                m = Number(date.substr(4, 2)) - 1;
                d = Number(date.substr(6, 2));

                var dpm = datePicker.getDaysPerMonth(m, y);
                if(d > dpm) d = dpm;

                if(new Date(y, m, d) == 'Invalid Date' || new Date(y, m, d) == 'NaN') {
                        badDate = true;
                        o.date = new Date();
                        o.date.setHours(5);
                        return;
                };

                o.date = new Date(y, m, d);
                o.date.setHours(5);

                if(!badDate) o.dateSet = new Date(o.date);
                m2c = null;
        };
        o.setSelectIndex = function(elem, indx) {
                var len = elem.options.length;
                indx = Number(indx);
                for(var opt = 0; opt < len; opt++) {
                        if(elem.options[opt].value == indx) {
                                elem.selectedIndex = opt;
                                return;
                        };
                };
        },
        o.returnFormattedDate = function() {

                var elem = o.getElem();
                if(!elem) return;
                
                var d                   = (o.date.getDate() < 10) ? "0" + o.date.getDate() : o.date.getDate();
                var m                   = ((o.date.getMonth() + 1) < 10) ? "0" + (o.date.getMonth() + 1) : o.date.getMonth() + 1;
                var yyyy                = o.date.getFullYear();
                var disabledDates       = o.getDisabledDates(yyyy, m);
                var weekDay             = ( o.date.getDay() + 6 ) % 7;

                if(!(o.disableDays[weekDay] || String(yyyy)+m+d in disabledDates)) {

                        if(o.splitDate) {
                                var ddE = document.getElementById(o.id+"-dd");
                                var mmE = document.getElementById(o.id+"-mm");

                                if(ddE.tagName.toLowerCase() == "input") { ddE.value = d; }
                                else { o.setSelectIndex(ddE, d); /*ddE.selectedIndex = d - 1;*/ };
                                
                                if(mmE.tagName.toLowerCase() == "input") { mmE.value = m; }
                                else { o.setSelectIndex(mmE, m); /*mmE.selectedIndex = m - 1;*/ };
                                
                                if(elem.tagName.toLowerCase() == "input") elem.value = yyyy;
                                else {
                                        o.setSelectIndex(elem, yyyy); /*
                                        for(var opt = 0; opt < elem.options.length; opt++) {
                                                if(elem.options[opt].value == yyyy) {
                                                        elem.selectedIndex = opt;
                                                        break;
                                                };
                                        };
                                        */
                                };
                        } else {
                                elem.value = o.format.replace('y',yyyy).replace('m',m).replace('d',d).replace(/-/g,o.divider);
                        };
                        if(!elem.type || elem.type && elem.type != "hidden"){ elem.focus(); }
                        if(o.staticPos) {
                                o.dateSet = new Date( o.date );
                                o.updateTable();
                        };
                        
                        // Programmatically fire the onchange event
                        if(document.createEvent) {
                                var onchangeEvent = document.createEvent('HTMLEvents');
                                onchangeEvent.initEvent('change', true, false);
                                elem.dispatchEvent(onchangeEvent);
                        } else if(document.createEventObject) {
                                elem.fireEvent('onchange');
                        };
                };
        };
        o.disableTodayButton = function() {
                var today = new Date();
                document.getElementById(o.id + "-today-but").className = document.getElementById(o.id + "-today-but").className.replace("fd-disabled", "");
                if(o.outOfRange(today) || (o.date.getDate() == today.getDate() && o.date.getMonth() == today.getMonth() && o.date.getFullYear() == today.getFullYear())) {
                        document.getElementById(o.id + "-today-but").className += " fd-disabled";
                        document.getElementById(o.id + "-today-but").onclick = null;
                } else {
                        document.getElementById(o.id + "-today-but").onclick = o.events.gotoToday;
                };
        };
        o.updateTableHeaders = function() {
                var d, but;
                var ths = o.ths;
                for ( var y = 0; y < 7; y++ ) {
                        d = (o.firstDayOfWeek + y) % 7;
                        ths[y].title = datePicker.fullDay[d];

                        if(y > 0) {
                                but = ths[y].getElementsByTagName("span")[0];
                                but.removeChild(but.firstChild);
                                but.appendChild(document.createTextNode(datePicker.dayAbbr ? datePicker.dayAbbr[d] : datePicker.fullDay[d].charAt(0)));
                                but.title = datePicker.fullDay[d];
                                but = null;
                        } else {
                                ths[y].removeChild(ths[y].firstChild);
                                ths[y].appendChild(document.createTextNode(datePicker.dayAbbr ? datePicker.dayAbbr[d] : datePicker.fullDay[d].charAt(0)));
                        };
                };
                o.updateTable();
        };

        o.updateTable = function(noCallback) {

                if(o.timerSet) {
                        var d = new Date(o.date);
                        d.setDate( Math.min(d.getDate()+o.dayInc, datePicker.getDaysPerMonth(d.getMonth()+o.monthInc,d.getFullYear()+o.yearInc)) );
                        d.setMonth( d.getMonth() + o.monthInc );
                        d.setFullYear( d.getFullYear() + o.yearInc );
                        o.date = d;
                };
                
                if(!noCallback && "onupdate" in datePickerController && typeof(datePickerController.onupdate) == "function") datePickerController.onupdate(o);

                o.outOfRange();
                o.disableTodayButton();
                
                // Set the tmpDate to the second day of this month (to avoid daylight savings time madness on Windows)
                var tmpDate = new Date( o.date.getFullYear(), o.date.getMonth(), 2 );
                tmpDate.setHours(5);

                var tdm = tmpDate.getMonth();
                var tdy = tmpDate.getFullYear();

                // Do the disableDates for this year and month
                var disabledDates = o.getDisabledDates(o.date.getFullYear(), o.date.getMonth() + 1);

                var today = new Date();

                // Previous buttons out of range
                var b = document.getElementById(o.id + "-prev-year-but");
                b.className = b.className.replace("fd-disabled", "");
                if(o.outOfRange(new Date((tdy - 1), Number(tdm), datePicker.getDaysPerMonth(Number(tdm), tdy-1)))) {
                        b.className += " fd-disabled";
                        if(o.yearInc == -1) o.stopTimer();
                };

                b = document.getElementById(o.id + "-prev-month-but")
                b.className = b.className.replace("fd-disabled", "");
                if(o.outOfRange(new Date(tdy, (Number(tdm) - 1), datePicker.getDaysPerMonth(Number(tdm)-1, tdy)))) {
                        b.className += " fd-disabled";
                        if(o.monthInc == -1)  o.stopTimer();
                };

                // Next buttons out of range
                b= document.getElementById(o.id + "-next-year-but")
                b.className = b.className.replace("fd-disabled", "");
                if(o.outOfRange(new Date((tdy + 1), Number(tdm), 1))) {
                        b.className += " fd-disabled";
                        if(o.yearInc == 1)  o.stopTimer();
                };

                b = document.getElementById(o.id + "-next-month-but")
                b.className = b.className.replace("fd-disabled", "");
                if(o.outOfRange(new Date(tdy, Number(tdm) + 1, 1))) {
                        b.className += " fd-disabled";
                        if(o.monthInc == 1)  o.stopTimer();
                };

                b = null;
                
                var cd = o.date.getDate();
                var cm = o.date.getMonth();
                var cy = o.date.getFullYear();
                
                // Title Bar
                var span = o.titleBar.getElementsByTagName("span");
                while(span[0].firstChild) span[0].removeChild(span[0].firstChild);
                while(span[1].firstChild) span[1].removeChild(span[1].firstChild);
                span[0].appendChild(document.createTextNode(datePicker.months[cm] + o.nbsp));
                span[1].appendChild(document.createTextNode(cy));

                tmpDate.setDate( 1 );
                        
                var dt, cName, td, tds, i;
                var weekDay = ( tmpDate.getDay() + 6 ) % 7;
                var firstColIndex = (( (weekDay - o.firstDayOfWeek) + 7 ) % 7) - 1;
                var dpm = datePicker.getDaysPerMonth(cm, cy);

                var todayD = today.getDate();
                var todayM = today.getMonth();
                var todayY = today.getFullYear();
                
                var c = "class";
                /*@cc_on
                @if(@_win32)
                c = "className";
                @end
                @*/

                var stub = String(tdy) + (String(tdm+1).length < 2 ? "0" + (tdm+1) : tdm+1);
                
                for(var row = 0; row < 6; row++) {

                        tds = o.trs[row].getElementsByTagName('td');

                        for(var col = 0; col < 7; col++) {
                        
                                td = tds[col];
                                td.removeChild(td.firstChild);

                                td.setAttribute("id", "");
                                td.setAttribute("title", "");

                                i = (row * 7) + col;
                        
                                if(i > firstColIndex && i <= (firstColIndex + dpm)) {
                                        dt = i - firstColIndex;

                                        tmpDate.setDate(dt);
                                        td.appendChild(document.createTextNode(dt));
                                        
                                        if(o.outOfRange(tmpDate)) {
                                                td.setAttribute(c, "out-of-range");
                                        } else {

                                                cName = [];
                                                weekDay = ( tmpDate.getDay() + 6 ) % 7;

                                                if(dt == todayD && tdm == todayM && tdy == todayY) {
                                                        cName.push("date-picker-today");
                                                };

                                                if(o.dateSet != null && o.dateSet.getDate() == dt && o.dateSet.getMonth() == tdm && o.dateSet.getFullYear() == tdy) {
                                                        cName.push("date-picker-selected-date");
                                                };
                                                
                                                if(o.disableDays[weekDay] || stub + String(dt < 10 ? "0" + dt : dt) in disabledDates) {
                                                        cName.push("day-disabled");
                                                } else if(o.highlightDays[weekDay]) {
                                                        cName.push("date-picker-highlight");
                                                };
                                                
                                                if(cd == dt) {
                                                        td.setAttribute("id", o.id + "-date-picker-hover");
                                                        cName.push("date-picker-hover");
                                                };
                                                
                                                cName.push("dm-" + dt + '-' + (tdm + 1) + " " + " dmy-" + dt + '-' + (tdm + 1) + '-' + tdy);
                                                td.setAttribute(c, cName.join(' '));
                                                td.setAttribute("title", datePicker.months[cm] + o.nbsp + dt + "," + o.nbsp + cy);
                                        };
                                } else {
                                        td.appendChild(document.createTextNode(o.nbsp));
                                        td.setAttribute(c, "date-picker-unused");
                                };
                        };
                };

                if(o.timerSet) {
                        o.timerInc = 50 + Math.round(((o.timerInc - 50) / 1.8));
                        o.timer = window.setTimeout(o.updateTable, o.timerInc);
                };
        };
        o.addKeyboardEvents = function() {
                datePickerController.addEvent(document, "keypress", o.events.onkeydown);
                /*@cc_on
                @if(@_win32)
                datePickerController.removeEvent(document, "keypress", o.events.onkeydown);
                datePickerController.addEvent(document, "keydown", o.events.onkeydown);
                @end
                @*/
                if(window.devicePixelRatio) {
                        datePickerController.removeEvent(document, "keypress", o.events.onkeydown);
                        datePickerController.addEvent(document, "keydown", o.events.onkeydown);
                };
        };
        o.removeKeyboardEvents =function() {
                datePickerController.removeEvent(document, "keypress", o.events.onkeydown);
                datePickerController.removeEvent(document, "keydown",  o.events.onkeydown);
        };
        o.show = function() {
                var elem = o.getElem();
                if(!elem || o.visible || elem.disabled) return;

                o.reset();
                o.setDateFromInput();
                o.updateTable();
                
                if(!o.staticPos) o.resize();
                
                datePickerController.addEvent(o.staticPos ? o.table : document, "mousedown", o.events.onmousedown);

                if(!o.staticPos) { o.addKeyboardEvents(); };
                
                o.opacityTo = o.noTransparency ? 99 : 90;
                o.div.style.display = "block";
                /*@cc_on
                @if(@_jscript_version <= 5.6)
                if(!o.staticPos) o.iePopUp.style.display = "block";
                @end
                @*/

                o.fade();
                o.visible = true;
        };
        o.hide = function() {
                if(!o.visible) return;
                o.stopTimer();
                if(o.staticPos) return;
                
                datePickerController.removeEvent(document, "mousedown", o.events.onmousedown);
                datePickerController.removeEvent(document, "mouseup",  o.events.clearTimer);
                o.removeKeyboardEvents();
                
                /*@cc_on
                @if(@_jscript_version <= 5.6)
                o.iePopUp.style.display = "none";
                @end
                @*/
                
                o.opacityTo = 0;
                o.fade();
                o.visible = false;
                var elem = o.getElem();
                if(!elem.type || elem.type && elem.type != "hidden") { elem.focus(); };
        };
        o.destroy = function() {
                // Cleanup for Internet Explorer
                datePickerController.removeEvent(o.staticPos ? o.table : document, "mousedown", o.events.onmousedown);
                datePickerController.removeEvent(document, "mouseup",   o.events.clearTimer);
                o.removeKeyboardEvents();

                if(o.staticPos) {
                        var yyN = document.getElementById(o.id);
                        datePickerController.removeEvent(yyN, "change", o.changeHandler);
                        if(o.splitDate) {
                                var mmN = document.getElementById(o.id+'-mm');
                                var ddN = document.getElementById(o.id+'-dd');

                                datePickerController.removeEvent(mmN, "change", o.changeHandler);
                                datePickerController.removeEvent(ddN, "change", o.changeHandler);
                        };
                        o.div.onfocus = o.div.onblur = null;
                };
                
                var ths = o.table.getElementsByTagName("th");
                for(var i = 0, th; th = ths[i]; i++) {
                        th.onmouseover = th.onmouseout = th.onmousedown = th.onclick = null;
                };
                
                var tds = o.table.getElementsByTagName("td");
                for(var i = 0, td; td = tds[i]; i++) {
                        td.onmouseover = td.onclick = null;
                };

                var butts = o.table.getElementsByTagName("span");
                for(var i = 0, butt; butt = butts[i]; i++) {
                        butt.onmousedown = butt.onclick = butt.onkeypress = null;
                };
                
                o.ths = o.trs = null;
                
                clearTimeout(o.fadeTimer);
                clearTimeout(o.timer);
                o.fadeTimer = o.timer = null;
                
                /*@cc_on
                @if(@_jscript_version <= 5.6)
                o.iePopUp = null;
                @end
                @*/
                
                if(!o.staticPos && document.getElementById(o.id.replace(/^fd-/, 'fd-but-'))) {
                        var butt = document.getElementById(o.id.replace(/^fd-/, 'fd-but-'));
                        butt.onclick = butt.onpress = null;
                };
                
                if(o.div && o.div.parentNode) {
                        o.div.parentNode.removeChild(o.div);
                };
                
                o.titleBar = o.table = o.div = null;
                o = null;
        };
        o.create();
};

datePickerController = function() {
        var datePickers = {};
        var uniqueId    = 0;
        
        var addEvent = function(obj, type, fn) {
                if( obj.attachEvent ) {
                        obj["e"+type+fn] = fn;
                        obj[type+fn] = function(){obj["e"+type+fn]( window.event );};
                        obj.attachEvent( "on"+type, obj[type+fn] );
                } else {
                        obj.addEventListener( type, fn, true );
                };
        };
        var removeEvent = function(obj, type, fn) {
                try {
                        if( obj.detachEvent ) {
                                obj.detachEvent( "on"+type, obj[type+fn] );
                                obj[type+fn] = null;
                        } else {
                                obj.removeEventListener( type, fn, true );
                        };
                } catch(err) {};
        };
        var hideAll = function(exception) {
                var dp;
                for(dp in datePickers) {
                        if(!datePickers[dp].created || datePickers[dp].staticPos) continue;
                        if(exception && exception == datePickers[dp].id) { continue; };
                        if(document.getElementById(datePickers[dp].id))  { datePickers[dp].hide(); };
                };
        };
        var cleanUp = function() {
                var dp;
                for(dp in datePickers) {
                        if(!document.getElementById(datePickers[dp].id)) {
                                if(!datePickers[dp].created) continue;
                                datePickers[dp].destroy();
                                datePickers[dp] = null;
                                delete datePickers[dp];
                        };
                };
        };
        var destroy = function() {
                for(dp in datePickers) {
                        if(!datePickers[dp].created) continue;
                        datePickers[dp].destroy();
                        datePickers[dp] = null;
                        delete datePickers[dp];
                };
                datePickers = null;
                /*@cc_on
                @if(@_jscript_version <= 5.6)
                        if(document.getElementById("iePopUpHack")) {
                                document.body.removeChild(document.getElementById("iePopUpHack"));
                        };
                @end
                @*/
                datePicker.script = null;
                removeEvent(window, 'load', datePickerController.create);
                removeEvent(window, 'unload', datePickerController.destroy);
        };
        var dateFormat = function(dateIn, favourMDY) {
                var dateTest = [
                        { regExp:/^(0?[1-9]|[12][0-9]|3[01])([- \/.])(0?[1-9]|1[012])([- \/.])((\d\d)?\d\d)$/, d:1, m:3, y:5 },  // dmy
                        { regExp:/^(0?[1-9]|1[012])([- \/.])(0?[1-9]|[12][0-9]|3[01])([- \/.])((\d\d)?\d\d)$/, d:3, m:1, y:5 },  // mdy
                        { regExp:/^(\d\d\d\d)([- \/.])(0?[1-9]|1[012])([- \/.])(0?[1-9]|[12][0-9]|3[01])$/,    d:5, m:3, y:1 }   // ymd
                        ];

                var start;
                var cnt = 0;
                while(cnt < 3) {
                        start = (cnt + (favourMDY ? 4 : 3)) % 3;
                        if(dateIn.match(dateTest[start].regExp)) {
                                res = dateIn.match(dateTest[start].regExp);
                                y = res[dateTest[start].y];
                                m = res[dateTest[start].m];
                                d = res[dateTest[start].d];
                                if(m.length == 1) m = "0" + m;
                                if(d.length == 1) d = "0" + d;
                                if(y.length != 4) y = (parseInt(y) < 50) ? '20' + y : '19' + y;
                                return String(y)+m+d;
                        };
                        cnt++;
                };
                return 0;
        };
        var joinNodeLists = function() {
                if(!arguments.length) { return []; }
                var nodeList = [];
                for (var i = 0; i < arguments.length; i++) {
                        for (var j = 0, item; item = arguments[i][j]; j++) {
                                nodeList[nodeList.length] = item;
                        };
                };
                return nodeList;
        };
        var addDatePicker = function(inpId, options) {
                if(!(inpId in datePickers)) {
                        datePickers[inpId] = new datePicker(options);
                };
        };
        var getDatePicker = function(inpId) {
                if(!(inpId in datePickers)) { throw "No datePicker has been created for the form element with an id of '" + inpId.toString() + "'"; };
                return datePickers[inpId];
        };
        var grepRangeLimits = function(sel) {
                var range = [];
                for(var i = 0; i < sel.options.length; i++) {
                        if(sel.options[i].value.search(/^\d\d\d\d$/) == -1) { continue; };
                        if(!range[0] || Number(sel.options[i].value) < range[0]) { range[0] = Number(sel.options[i].value); };
                        if(!range[1] || Number(sel.options[i].value) > range[1]) { range[1] = Number(sel.options[i].value); };
                };
                return range;
        };
        var create = function(inp) {
                if(!(typeof document.createElement != "undefined" && typeof document.documentElement != "undefined" && typeof document.documentElement.offsetWidth == "number")) return;

                var inputs  = (inp && inp.tagName) ? [inp] : joinNodeLists(document.getElementsByTagName('input'), document.getElementsByTagName('select'));
                var regExp1 = /disable-days-([1-7]){1,6}/g;             // the days to disable
                var regExp2 = /no-transparency/g;                       // do not use transparency effects
                var regExp3 = /highlight-days-([1-7]){1,7}/g;           // the days to highlight in red
                var regExp4 = /range-low-(\d\d\d\d-\d\d-\d\d)/g;        // the lowest selectable date
                var regExp5 = /range-high-(\d\d\d\d-\d\d-\d\d)/g;       // the highest selectable date
                var regExp6 = /format-(d-m-y|m-d-y|y-m-d)/g;            // the input/output date format
                var regExp7 = /divider-(dot|slash|space|dash)/g;        // the character used to divide the date
                var regExp8 = /no-locale/g;                             // do not attempt to detect the browser language
                var regExp9 = /no-fade/g;                               // always show the datepicker
                var regExp10 = /hide-input/g;                           // hide the input
                
                for(var i=0, inp; inp = inputs[i]; i++) {
                        if(inp.className && (inp.className.search(regExp6) != -1 || inp.className.search(/split-date/) != -1) && ((inp.tagName.toLowerCase() == "input" && (inp.type == "text" || inp.type == "hidden")) || inp.tagName.toLowerCase() == "select")) {

                                if(inp.id && document.getElementById('fd-'+inp.id)) { continue; };
                                
                                if(!inp.id) { inp.id = "fdDatePicker-" + uniqueId++; };
                                
                                var options = {
                                        id:inp.id,
                                        low:"",
                                        high:"",
                                        divider:"/",
                                        format:"d-m-y",
                                        highlightDays:[0,0,0,0,0,1,1],
                                        disableDays:[0,0,0,0,0,0,0],
                                        locale:inp.className.search(regExp8) == -1,
                                        splitDate:0,
                                        noTransparency:inp.className.search(regExp2) != -1,
                                        staticPos:inp.className.search(regExp9) != -1,
                                        hideInput:inp.className.search(regExp10) != -1
                                };

                                if(!options.staticPos) {
                                        options.hideInput = false;
                                } else {
                                        options.noTransparency = true;
                                };
                                
                                // Split the date into three parts ?
                                if(inp.className.search(/split-date/) != -1) {
                                        if(document.getElementById(inp.id+'-dd') && document.getElementById(inp.id+'-mm') && document.getElementById(inp.id+'-dd').tagName.search(/input|select/i) != -1 && document.getElementById(inp.id+'-mm').tagName.search(/input|select/i) != -1) {
                                                options.splitDate = 1;
                                        };
                                };
                                
                                // Date format(variations of d-m-y)
                                if(inp.className.search(regExp6) != -1) {
                                        options.format = inp.className.match(regExp6)[0].replace('format-','');
                                };
                                
                                // What divider to use, a "/", "-", "." or " "
                                if(inp.className.search(regExp7) != -1) {
                                        var dividers = { dot:".", space:" ", dash:"-", slash:"/" };
                                        options.divider = (inp.className.search(regExp7) != -1 && inp.className.match(regExp7)[0].replace('divider-','') in dividers) ? dividers[inp.className.match(regExp7)[0].replace('divider-','')] : "/";
                                };

                                // The days to highlight
                                if(inp.className.search(regExp3) != -1) {
                                        var tmp = inp.className.match(regExp3)[0].replace(/highlight-days-/, '');
                                        options.highlightDays = [0,0,0,0,0,0,0];
                                        for(var j = 0; j < tmp.length; j++) {
                                                options.highlightDays[tmp.charAt(j) - 1] = 1;
                                        };
                                };

                                // The days to disable
                                if(inp.className.search(regExp1) != -1) {
                                        var tmp = inp.className.match(regExp1)[0].replace(/disable-days-/, '');
                                        options.disableDays = [0,0,0,0,0,0,0];
                                        for(var j = 0; j < tmp.length; j++) {
                                                options.disableDays[tmp.charAt(j) - 1] = 1;
                                        };
                                };

                                // The lower limit
                                if(inp.className.search(/range-low-today/i) != -1) {
                                        options.low = datePickerController.dateFormat((new Date().getMonth() + 1) + "/" + new Date().getDate() + "/" + new Date().getFullYear(), true);
                                } else if(inp.className.search(regExp4) != -1) {
                                        options.low = datePickerController.dateFormat(inp.className.match(regExp4)[0].replace(/range-low-/, ''), false);
                                        if(!options.low) {
                                                options.low = '';
                                        };
                                };

                                // The higher limit
                                if(inp.className.search(/range-high-today/i) != -1 && inp.className.search(/range-low-today/i) == -1) {
                                        options.high = datePickerController.dateFormat((new Date().getMonth() + 1) + "/" + new Date().getDate() + "/" + new Date().getFullYear(), true);
                                } else if(inp.className.search(regExp5) != -1) {
                                        options.high = datePickerController.dateFormat(inp.className.match(regExp5)[0].replace(/range-high-/, ''), false);
                                        if(!options.high) {
                                                options.high = '';
                                        };
                                };

                                // Always round lower & higher limits if a selectList involved
                                if(inp.tagName.search(/select/i) != -1) {
                                        var range = grepRangeLimits(inp);
                                        options.low  = options.low  ? range[0] + String(options.low).substr(4,4)  : datePickerController.dateFormat(range[0] + "/01/01");
                                        options.high = options.high ? range[1] + String(options.low).substr(4,4)  : datePickerController.dateFormat(range[1] + "/12/31");
                                };

                                addDatePicker(inp.id, options);
                        };
                };
        }
        
        return {
                addEvent:addEvent,
                removeEvent:removeEvent,
                create:create,
                destroy:destroy,
                cleanUp:cleanUp,
                addDatePicker:addDatePicker,
                getDatePicker:getDatePicker,
                dateFormat:dateFormat,
                datePickers:datePickers,
                hideAll:hideAll
        };
}();

})();

datePickerController.addEvent(window, 'load', datePickerController.create);
datePickerController.addEvent(window, 'unload', datePickerController.destroy);


var fdLocale = {
        months:[
                "January",
                "February",
                "March",
                "April",
                "May",
                "June",
                "July",
                "August",
                "September",
                "October",
                "November",
                "December"
                ],
        fullDay:[
                "Monday",
                "Tuesday",
                "Wednesday",
                "Thursday",
                "Friday",
                "Saturday",
                "Sunday"
                ],
        /* Only stipulate the dayAbbr should the first letter of the fullDay not suffice

        dayAbbr:[],
        */

        /* Only stipulate the firstDayOfWeek should the first day not be Monday

        firstDayOfWeek:0,
        */
        titles:[
                "Previous month",
                "Next month",
                "Previous year",
                "Next year",
                "Today",
                "Show Calendar"
                ]
};
