/*  Prototype JavaScript framework, version 1.6.0.2
 *  (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: '1.6.0.2',

  Browser: {
    IE:     !!(window.attachEvent && !window.opera),
    Opera:  !!window.opera,
    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,
    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 = Object.extend((function(m) {
          return function() { return ancestor[m].apply(this, arguments) };
        })(property).wrap(method), {
          valueOf:  function() { return method },
          toString: function() { return method.toString() }
        });
      }
      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].split(",").invoke("strip");
    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);
  },

  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)));
    };
  }
});

Function.prototype.defer = Function.prototype.delay.curry(0.01);

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.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('')
});

with (String.prototype.escapeHTML) div.appendChild(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;
    iterator = iterator.bind(context);
    try {
      this._each(function(value) {
        iterator(value, index++);
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  },

  eachSlice: function(number, iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var index = -number, slices = [], array = this.toArray();
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.collect(iterator, context);
  },

  all: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result = true;
    this.each(function(value, index) {
      result = result && !!iterator(value, index);
      if (!result) throw $break;
    });
    return result;
  },

  any: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result = false;
    this.each(function(value, index) {
      if (result = !!iterator(value, index))
        throw $break;
    });
    return result;
  },

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

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

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

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

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

    this.each(function(value, index) {
      if (filter.match(value))
        results.push(iterator(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) {
    iterator = iterator.bind(context);
    this.each(function(value, index) {
      memo = iterator(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 ? iterator.bind(context) : Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator(value, index);
      if (result == null || value >= result)
        result = value;
    });
    return result;
  },

  min: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator(value, index);
      if (result == null || value < result)
        result = value;
    });
    return result;
  },

  partition: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var trues = [], falses = [];
    this.each(function(value, index) {
      (iterator(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) {
    iterator = iterator.bind(context);
    var results = [];
    this.each(function(value, index) {
      if (!iterator(value, index))
        results.push(value);
    });
    return results;
  },

  sortBy: function(iterator, context) {
    iterator = iterator.bind(context);
    return this.map(function(value, index) {
      return {value: value, criteria: iterator(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 [];
    if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') &&
        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) {
    $R(0, this, true).each(iterator);
    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) {
      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.map(function(pair) {
        var key = encodeURIComponent(pair.key), values = pair.value;

        if (values && typeof values == 'object') {
          if (Object.isArray(values))
            return values.map(toQueryPair.curry(key)).join('&');
        }
        return toQueryPair(key, values);
      }).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 || { });
}).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).style.display = 'none';
    return element;
  },

  show: function(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(expression)[index || 0];
      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);
    var originalAncestor = ancestor;

    if (element.compareDocumentPosition)
      return (element.compareDocumentPosition(ancestor) & 8) === 8;

    if (element.sourceIndex && !Prototype.Browser.Opera) {
      var e = element.sourceIndex, a = ancestor.sourceIndex,
       nextAncestor = ancestor.nextSibling;
      if (!nextAncestor) {
        do { ancestor = ancestor.parentNode; }
        while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode);
      }
      if (nextAncestor && nextAncestor.sourceIndex)
       return (e > a && e < nextAncestor.sourceIndex);
    }

    while (element = element.parentNode)
      if (element == originalAncestor) 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) {
      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 (window.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 == '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;
    // 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;
    // 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 == '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);
      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);
        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.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').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 == '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, 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 = { };
    var B = Prototype.Browser;
    $w('width height').each(function(d) {
      var D = d.capitalize();
      dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] :
        (B.Opera) ? document.body['client' + 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();
    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(this.expression))
      return false;

    return true;
  },

  compileMatcher: function() {
    if (this.shouldUseXPath())
      return this.compileXPathMatcher();

    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;
    if (this.xpath) return document._getElementsByXPath(this.xpath, root);
    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 or translate(text(), ' \t\r\n', '') = '')]",
      'checked':     "[@checked]",
      'disabled':    "[@disabled]",
      'enabled':     "[not(@disabled)]",
      '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: /^\[([\w]+)\]/,
    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 && !node.innerHTML.match(/^\s*$/))) 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) 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.startsWith(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 != '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.blur();
    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, index) {
    if (Object.isUndefined(index))
      return this[element.type == 'select-one' ?
        'selectOne' : 'selectMany'](element);
    else {
      var opt, value, single = !Object.isArray(index);
      for (var i = 0, length = element.length; i < length; i++) {
        opt = element.options[i];
        value = this.optionValue(opt);
        if (single) {
          if (value == index) {
            opt.selected = true;
            return;
          }
        }
        else opt.selected = index.include(value);
      }
    }
  },

  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) {
      var node = Event.extend(event).target;
      return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : 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) {
      return {
        x: event.pageX || (event.clientX +
          (document.documentElement.scrollLeft || document.body.scrollLeft)),
        y: event.pageY || (event.clientY +
          (document.documentElement.scrollTop || document.body.scrollTop))
      };
    },

    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;
  }

  if (window.attachEvent) {
    window.attachEvent("onunload", destroyCache);
  }

  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();


// show/hide first element, change label on second
function toggleVisibilityToggleText (tid1, tid2, label1, label2) {
	   obj = document.getElementById(tid1);
   if (obj.style.display == "none") {
      			obj.style.display = "";
   } 	else 	{
      			obj.style.display = "none";
   }
   obj = document.getElementById(tid2);
   if (obj.innerHTML == label1)
       obj.innerHTML = label2;
   else
       obj.innerHTML = label1;
}

// show/hide an element.
function togglevisibility(tid)
{
	   obj = document.getElementById(tid);
   if (obj.style.display == "none") {
      			obj.style.display = "";
   } 	else 	{
      			obj.style.display = "none";
   }
}

// show/hide 2 elements.
function togglevisibility2(tid1, tid2)
{
	   obj1 = document.getElementById(tid1);
   if (obj1.style.display == "none") {
      			obj1.style.display = "";
   } 	else 	{
      			obj1.style.display = "none";
   }

   obj2 = document.getElementById(tid2);
   if (obj2.style.display == "none") {
      			obj2.style.display = "";
   } 	else 	{
      			obj2.style.display = "none";
   }

}

function DOMReady(f){ 
  if (/(?!.*?compatible|.*?webkit)^mozilla|opera/i.test(navigator.userAgent)){
    document.addEventListener("DOMContentLoaded", f, false);
  }else{
    window.setTimeout(f,0);
  }
}

function out(s) {
	console.log(s);
}

/* x_core.js compiled from X 4.0 with XC 0.27b. Distributed by GNU LGPL. For copyrights, license, documentation and more visit Cross-Browser.com */
var xOp7Up,xOp6Dn,xIE4Up,xIE4,xIE5,xNN4,xUA=navigator.userAgent.toLowerCase();if(window.opera){var i=xUA.indexOf('opera');if(i!=-1){var v=parseInt(xUA.charAt(i+6));xOp7Up=v>=7;xOp6Dn=v<7;}}else if(navigator.vendor!='KDE' && document.all && xUA.indexOf('msie')!=-1){xIE4Up=parseFloat(navigator.appVersion)>=4;xIE4=xUA.indexOf('msie 4')!=-1;xIE5=xUA.indexOf('msie 5')!=-1;}else if(document.layers){xNN4=true;}xMac=xUA.indexOf('mac')!=-1;function xBackground(e,c,i){if(!(e=xGetElementById(e))) return '';var bg='';if(e.style) {if(xStr(c)) {if(!xOp6Dn) e.style.backgroundColor=c;else e.style.background=c;}if(xStr(i)) e.style.backgroundImage=(i!='')? 'url('+i+')' : null;if(!xOp6Dn) bg=e.style.backgroundColor;else bg=e.style.background;}return bg;}function xClientHeight(){var h=0;if(xOp6Dn) h=window.innerHeight;else if(document.compatMode == 'CSS1Compat' && !window.opera && document.documentElement && document.documentElement.clientHeight)h=document.documentElement.clientHeight;else if(document.body && document.body.clientHeight)h=document.body.clientHeight;else if(xDef(window.innerWidth,window.innerHeight,document.width)) {h=window.innerHeight;if(document.width>window.innerWidth) h-=16;}return h;}function xClientWidth(){var w=0;if(xOp6Dn) w=window.innerWidth;else if(document.compatMode == 'CSS1Compat' && !window.opera && document.documentElement && document.documentElement.clientWidth)w=document.documentElement.clientWidth;else if(document.body && document.body.clientWidth)w=document.body.clientWidth;else if(xDef(window.innerWidth,window.innerHeight,document.height)) {w=window.innerWidth;if(document.height>window.innerHeight) w-=16;}return w;}function xClip(e,t,r,b,l){if(!(e=xGetElementById(e))) return;if(e.style) {if (xNum(l)) e.style.clip='rect('+t+'px '+r+'px '+b+'px '+l+'px)';else e.style.clip='rect(0 '+parseInt(e.style.width)+'px '+parseInt(e.style.height)+'px 0)';}}function xColor(e,s){if(!(e=xGetElementById(e))) return '';var c='';if(e.style && xDef(e.style.color)) {if(xStr(s)) e.style.color=s;c=e.style.color;}return c;}function xDef(){for(var i=0; i<arguments.length; ++i){if(typeof(arguments[i])=='undefined') return false;}return true;}function xDisplay(e,s){if(!(e=xGetElementById(e))) return null;if(e.style && xDef(e.style.display)) {if (xStr(s)) e.style.display = s;return e.style.display;}return null;}function xGetComputedStyle(oEle, sProp, bInt){var s, p = 'undefined';var dv = document.defaultView;if(dv && dv.getComputedStyle){s = dv.getComputedStyle(oEle,'');if (s) p = s.getPropertyValue(sProp);}else if(oEle.currentStyle) {var a = sProp.split('-');sProp = a[0];for (var i=1; i<a.length; ++i) {c = a[i].charAt(0);sProp += a[i].replace(c, c.toUpperCase());}   p = oEle.currentStyle[sProp];}else return null;return bInt ? (parseInt(p) || 0) : p;}function xGetElementById(e){if(typeof(e)!='string') return e;if(document.getElementById) e=document.getElementById(e);else if(document.all) e=document.all[e];else e=null;return e;}function xHasPoint(e,x,y,t,r,b,l){if (!xNum(t)){t=r=b=l=0;}else if (!xNum(r)){r=b=l=t;}else if (!xNum(b)){l=r; b=t;}var eX = xPageX(e), eY = xPageY(e);return (x >= eX + l && x <= eX + xWidth(e) - r &&y >= eY + t && y <= eY + xHeight(e) - b );}function xHeight(e,h){if(!(e=xGetElementById(e))) return 0;if (xNum(h)) {if (h<0) h = 0;else h=Math.round(h);}else h=-1;var css=xDef(e.style);if (e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {h = xClientHeight();}else if(css && xDef(e.offsetHeight) && xStr(e.style.height)) {if(h>=0) {var pt=0,pb=0,bt=0,bb=0;if (document.compatMode=='CSS1Compat') {var gcs = xGetComputedStyle;pt=gcs(e,'padding-top',1);if (pt !== null) {pb=gcs(e,'padding-bottom',1);bt=gcs(e,'border-top-width',1);bb=gcs(e,'border-bottom-width',1);}else if(xDef(e.offsetHeight,e.style.height)){e.style.height=h+'px';pt=e.offsetHeight-h;}}h-=(pt+pb+bt+bb);if(isNaN(h)||h<0) return;else e.style.height=h+'px';}h=e.offsetHeight;}else if(css && xDef(e.style.pixelHeight)) {if(h>=0) e.style.pixelHeight=h;h=e.style.pixelHeight;}return h;}function xHide(e){return xVisibility(e,0);}function xLeft(e, iX){if(!(e=xGetElementById(e))) return 0;var css=xDef(e.style);if (css && xStr(e.style.left)) {if(xNum(iX)) e.style.left=iX+'px';else {iX=parseInt(e.style.left);if(isNaN(iX)) iX=0;}}else if(css && xDef(e.style.pixelLeft)) {if(xNum(iX)) e.style.pixelLeft=iX;else iX=e.style.pixelLeft;}return iX;}function xMoveTo(e,x,y){xLeft(e,x);xTop(e,y);}function xNum(){for(var i=0; i<arguments.length; ++i){if(isNaN(arguments[i]) || typeof(arguments[i])!='number') return false;}return true;}function xOffsetLeft(e){if (!(e=xGetElementById(e))) return 0;if (xDef(e.offsetLeft)) return e.offsetLeft;else return 0;}function xOffsetTop(e){if (!(e=xGetElementById(e))) return 0;if (xDef(e.offsetTop)) return e.offsetTop;else return 0;}function xPageX(e){if (!(e=xGetElementById(e))) return 0;var x = 0;while (e) {if (xDef(e.offsetLeft)) x += e.offsetLeft;e = xDef(e.offsetParent) ? e.offsetParent : null;}return x;}function xPageY(e){if (!(e=xGetElementById(e))) return 0;var y = 0;while (e) {if (xDef(e.offsetTop)) y += e.offsetTop;e = xDef(e.offsetParent) ? e.offsetParent : null;}return y;}function xParent(e, bNode){if (!(e=xGetElementById(e))) return null;var p=null;if (!bNode && xDef(e.offsetParent)) p=e.offsetParent;else if (xDef(e.parentNode)) p=e.parentNode;else if (xDef(e.parentElement)) p=e.parentElement;return p;}function xResizeTo(e,w,h){xWidth(e,w);xHeight(e,h);}function xScrollLeft(e, bWin){var offset=0;if (!xDef(e) || bWin || e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {var w = window;if (bWin && e) w = e;if(w.document.documentElement && w.document.documentElement.scrollLeft) offset=w.document.documentElement.scrollLeft;else if(w.document.body && xDef(w.document.body.scrollLeft)) offset=w.document.body.scrollLeft;}else {e = xGetElementById(e);if (e && xNum(e.scrollLeft)) offset = e.scrollLeft;}return offset;}function xScrollTop(e, bWin){var offset=0;if (!xDef(e) || bWin || e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {var w = window;if (bWin && e) w = e;if(w.document.documentElement && w.document.documentElement.scrollTop) offset=w.document.documentElement.scrollTop;else if(w.document.body && xDef(w.document.body.scrollTop)) offset=w.document.body.scrollTop;}else {e = xGetElementById(e);if (e && xNum(e.scrollTop)) offset = e.scrollTop;}return offset;}function xShow(e) {return xVisibility(e,1);}function xStr(s){for(var i=0; i<arguments.length; ++i){if(typeof(arguments[i])!='string') return false;}return true;}function xTop(e, iY){if(!(e=xGetElementById(e))) return 0;var css=xDef(e.style);if(css && xStr(e.style.top)) {if(xNum(iY)) e.style.top=iY+'px';else {iY=parseInt(e.style.top);if(isNaN(iY)) iY=0;}}else if(css && xDef(e.style.pixelTop)) {if(xNum(iY)) e.style.pixelTop=iY;else iY=e.style.pixelTop;}return iY;}function xVisibility(e, bShow){if(!(e=xGetElementById(e))) return null;if(e.style && xDef(e.style.visibility)) {if (xDef(bShow)) e.style.visibility = bShow ? 'visible' : 'hidden';return e.style.visibility;}return null;}function xWidth(e,w){if(!(e=xGetElementById(e))) return 0;if (xNum(w)) {if (w<0) w = 0;else w=Math.round(w);}else w=-1;var css=xDef(e.style);if (e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {w = xClientWidth();}else if(css && xDef(e.offsetWidth) && xStr(e.style.width)) {if(w>=0) {var pl=0,pr=0,bl=0,br=0;if (document.compatMode=='CSS1Compat') {var gcs = xGetComputedStyle;pl=gcs(e,'padding-left',1);if (pl !== null) {pr=gcs(e,'padding-right',1);bl=gcs(e,'border-left-width',1);br=gcs(e,'border-right-width',1);}else if(xDef(e.offsetWidth,e.style.width)){e.style.width=w+'px';pl=e.offsetWidth-w;}}w-=(pl+pr+bl+br);if(isNaN(w)||w<0) return;else e.style.width=w+'px';}w=e.offsetWidth;}else if(css && xDef(e.style.pixelWidth)) {if(w>=0) e.style.pixelWidth=w;w=e.style.pixelWidth;}return w;}function xZIndex(e,uZ){if(!(e=xGetElementById(e))) return 0;if(e.style && xDef(e.style.zIndex)) {if(xNum(uZ)) e.style.zIndex=uZ;uZ=parseInt(e.style.zIndex);}return uZ;}

/* x_event.js compiled from X 4.0 with XC 0.27b. Distributed by GNU LGPL. For copyrights, license, documentation and more visit Cross-Browser.com */
function xAddEventListener(e,eT,eL,cap){if(!(e=xGetElementById(e))) return;eT=eT.toLowerCase();if((!xIE4Up && !xOp7Up) && e==window) {if(eT=='resize') { window.xPCW=xClientWidth(); window.xPCH=xClientHeight(); window.xREL=eL; xResizeEvent(); return; }if(eT=='scroll') { window.xPSL=xScrollLeft(); window.xPST=xScrollTop(); window.xSEL=eL; xScrollEvent(); return; }}var eh='e.on'+eT+'=eL';if(e.addEventListener) e.addEventListener(eT,eL,cap);else if(e.attachEvent) e.attachEvent('on'+eT,eL);else eval(eh);}function xResizeEvent(){if (window.xREL) setTimeout('xResizeEvent()', 250);var cw = xClientWidth(), ch = xClientHeight();if (window.xPCW != cw || window.xPCH != ch) { window.xPCW = cw; window.xPCH = ch; if (window.xREL) window.xREL(); }}function xScrollEvent(){if (window.xSEL) setTimeout('xScrollEvent()', 250);var sl = xScrollLeft(), st = xScrollTop();if (window.xPSL != sl || window.xPST != st) { window.xPSL = sl; window.xPST = st; if (window.xSEL) window.xSEL(); }}function xEvent(evt) {var e = evt || window.event;if(!e) return;if(e.type) this.type = e.type;if(e.target) this.target = e.target;else if(e.srcElement) this.target = e.srcElement;if (e.relatedTarget) this.relatedTarget = e.relatedTarget;else if (e.type == 'mouseover' && e.fromElement) this.relatedTarget = e.fromElement;else if (e.type == 'mouseout') this.relatedTarget = e.toElement;if(xOp6Dn) { this.pageX = e.clientX; this.pageY = e.clientY; }else if(xDef(e.pageX,e.pageY)) { this.pageX = e.pageX; this.pageY = e.pageY; }else if(xDef(e.clientX,e.clientY)) { this.pageX = e.clientX + xScrollLeft(); this.pageY = e.clientY + xScrollTop(); }if (xDef(e.offsetX,e.offsetY)) {this.offsetX = e.offsetX;this.offsetY = e.offsetY;}else if (xDef(e.layerX,e.layerY)) {this.offsetX = e.layerX;this.offsetY = e.layerY;}else {this.offsetX = this.pageX - xPageX(this.target);this.offsetY = this.pageY - xPageY(this.target);}if (e.keyCode) { this.keyCode = e.keyCode; } else if (xDef(e.which) && e.type.indexOf('key')!=-1) { this.keyCode = e.which; }this.shiftKey = e.shiftKey;this.ctrlKey = e.ctrlKey;this.altKey = e.altKey;}function xPreventDefault(e){if (e && e.preventDefault) e.preventDefault();else if (window.event) window.event.returnValue = false;}function xRemoveEventListener(e,eT,eL,cap){if(!(e=xGetElementById(e))) return;eT=eT.toLowerCase();if((!xIE4Up && !xOp7Up) && e==window) {if(eT=='resize') { window.xREL=null; return; }if(eT=='scroll') { window.xSEL=null; return; }}var eh='e.on'+eT+'=null';if(e.removeEventListener) e.removeEventListener(eT,eL,cap);else if(e.detachEvent) e.detachEvent('on'+eT,eL);else eval(eh);}function xStopPropagation(evt){if (evt && evt.stopPropagation) evt.stopPropagation();else if (window.event) window.event.cancelBubble = true;}

function xMenu(triggerId,previewId,mouseMargin,openEvent,x){
    var isOpen = false;
    var trg = xGetElementById(triggerId);
    var mnu = xGetElementById(previewId);
	if(trg && mnu){
    	xAddEventListener(trg, openEvent, onOpen, false);
	}
	function onOpen(){
  	 	if(!isOpen){
			xMoveTo(mnu, xPageX(trg)-x, xPageY(trg)-5 + xHeight(trg)+6);
       		xShow(mnu);
       		xAddEventListener(document, 'mouseover', onMousemove, false);
       		isOpen = true;
   		}
	}
	function onMousemove(ev){
    	var e = new xEvent(ev);
    	if(!xHasPoint(mnu, e.pageX, e.pageY, -mouseMargin) &&
       			!xHasPoint(trg, e.pageX, e.pageY, -mouseMargin)){
       		xHide(mnu);
       		xRemoveEventListener(document, 'mousemove', onMousemove, false);
       		isOpen = false;
  		}
	}
}

/**
 * SWFObject v1.5: Flash Player detection and embed - http://blog.deconcept.com/swfobject/
 *
 * SWFObject is (c) 2007 Geoff Stearns and is released under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 *
 */
if(typeof deconcept=="undefined"){var deconcept=new Object();}if(typeof deconcept.util=="undefined"){deconcept.util=new Object();}if(typeof deconcept.SWFObjectUtil=="undefined"){deconcept.SWFObjectUtil=new Object();}deconcept.SWFObject=function(_1,id,w,h,_5,c,_7,_8,_9,_a){if(!document.getElementById){return;}this.DETECT_KEY=_a?_a:"detectflash";this.skipDetect=deconcept.util.getRequestParameter(this.DETECT_KEY);this.params=new Object();this.variables=new Object();this.attributes=new Array();if(_1){this.setAttribute("swf",_1);}if(id){this.setAttribute("id",id);}if(w){this.setAttribute("width",w);}if(h){this.setAttribute("height",h);}if(_5){this.setAttribute("version",new deconcept.PlayerVersion(_5.toString().split(".")));}this.installedVer=deconcept.SWFObjectUtil.getPlayerVersion();if(!window.opera&&document.all&&this.installedVer.major>7){deconcept.SWFObject.doPrepUnload=true;}if(c){this.addParam("bgcolor",c);}var q=_7?_7:"high";this.addParam("quality",q);this.setAttribute("useExpressInstall",false);this.setAttribute("doExpressInstall",false);var _c=(_8)?_8:window.location;this.setAttribute("xiRedirectUrl",_c);this.setAttribute("redirectUrl","");if(_9){this.setAttribute("redirectUrl",_9);}};deconcept.SWFObject.prototype={useExpressInstall:function(_d){this.xiSWFPath=!_d?"expressinstall.swf":_d;this.setAttribute("useExpressInstall",true);},setAttribute:function(_e,_f){this.attributes[_e]=_f;},getAttribute:function(_10){return this.attributes[_10];},addParam:function(_11,_12){this.params[_11]=_12;},getParams:function(){return this.params;},addVariable:function(_13,_14){this.variables[_13]=_14;},getVariable:function(_15){return this.variables[_15];},getVariables:function(){return this.variables;},getVariablePairs:function(){var _16=new Array();var key;var _18=this.getVariables();for(key in _18){_16[_16.length]=key+"="+_18[key];}return _16;},getSWFHTML:function(){var _19="";if(navigator.plugins&&navigator.mimeTypes&&navigator.mimeTypes.length){if(this.getAttribute("doExpressInstall")){this.addVariable("MMplayerType","PlugIn");this.setAttribute("swf",this.xiSWFPath);}_19="<embed type=\"application/x-shockwave-flash\" src=\""+this.getAttribute("swf")+"\" width=\""+this.getAttribute("width")+"\" height=\""+this.getAttribute("height")+"\" style=\""+this.getAttribute("style")+"\"";_19+=" id=\""+this.getAttribute("id")+"\" name=\""+this.getAttribute("id")+"\" ";var _1a=this.getParams();for(var key in _1a){_19+=[key]+"=\""+_1a[key]+"\" ";}var _1c=this.getVariablePairs().join("&");if(_1c.length>0){_19+="flashvars=\""+_1c+"\"";}_19+="/>";}else{if(this.getAttribute("doExpressInstall")){this.addVariable("MMplayerType","ActiveX");this.setAttribute("swf",this.xiSWFPath);}_19="<object id=\""+this.getAttribute("id")+"\" classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" width=\""+this.getAttribute("width")+"\" height=\""+this.getAttribute("height")+"\" style=\""+this.getAttribute("style")+"\">";_19+="<param name=\"movie\" value=\""+this.getAttribute("swf")+"\" />";var _1d=this.getParams();for(var key in _1d){_19+="<param name=\""+key+"\" value=\""+_1d[key]+"\" />";}var _1f=this.getVariablePairs().join("&");if(_1f.length>0){_19+="<param name=\"flashvars\" value=\""+_1f+"\" />";}_19+="</object>";}return _19;},write:function(_20){if(this.getAttribute("useExpressInstall")){var _21=new deconcept.PlayerVersion([6,0,65]);if(this.installedVer.versionIsValid(_21)&&!this.installedVer.versionIsValid(this.getAttribute("version"))){this.setAttribute("doExpressInstall",true);this.addVariable("MMredirectURL",escape(this.getAttribute("xiRedirectUrl")));document.title=document.title.slice(0,47)+" - Flash Player Installation";this.addVariable("MMdoctitle",document.title);}}if(this.skipDetect||this.getAttribute("doExpressInstall")||this.installedVer.versionIsValid(this.getAttribute("version"))){var n=(typeof _20=="string")?document.getElementById(_20):_20;n.innerHTML=this.getSWFHTML();return true;}else{if(this.getAttribute("redirectUrl")!=""){document.location.replace(this.getAttribute("redirectUrl"));}}return false;}};deconcept.SWFObjectUtil.getPlayerVersion=function(){var _23=new deconcept.PlayerVersion([0,0,0]);if(navigator.plugins&&navigator.mimeTypes.length){var x=navigator.plugins["Shockwave Flash"];if(x&&x.description){_23=new deconcept.PlayerVersion(x.description.replace(/([a-zA-Z]|\s)+/,"").replace(/(\s+r|\s+b[0-9]+)/,".").split("."));}}else{if(navigator.userAgent&&navigator.userAgent.indexOf("Windows CE")>=0){var axo=1;var _26=3;while(axo){try{_26++;axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash."+_26);_23=new deconcept.PlayerVersion([_26,0,0]);}catch(e){axo=null;}}}else{try{var axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");}catch(e){try{var axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");_23=new deconcept.PlayerVersion([6,0,21]);axo.AllowScriptAccess="always";}catch(e){if(_23.major==6){return _23;}}try{axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash");}catch(e){}}if(axo!=null){_23=new deconcept.PlayerVersion(axo.GetVariable("$version").split(" ")[1].split(","));}}}return _23;};deconcept.PlayerVersion=function(_29){this.major=_29[0]!=null?parseInt(_29[0]):0;this.minor=_29[1]!=null?parseInt(_29[1]):0;this.rev=_29[2]!=null?parseInt(_29[2]):0;};deconcept.PlayerVersion.prototype.versionIsValid=function(fv){if(this.major<fv.major){return false;}if(this.major>fv.major){return true;}if(this.minor<fv.minor){return false;}if(this.minor>fv.minor){return true;}if(this.rev<fv.rev){return false;}return true;};deconcept.util={getRequestParameter:function(_2b){var q=document.location.search||document.location.hash;if(_2b==null){return q;}if(q){var _2d=q.substring(1).split("&");for(var i=0;i<_2d.length;i++){if(_2d[i].substring(0,_2d[i].indexOf("="))==_2b){return _2d[i].substring((_2d[i].indexOf("=")+1));}}}return "";}};deconcept.SWFObjectUtil.cleanupSWFs=function(){var _2f=document.getElementsByTagName("OBJECT");for(var i=_2f.length-1;i>=0;i--){_2f[i].style.display="none";for(var x in _2f[i]){if(typeof _2f[i][x]=="function"){_2f[i][x]=function(){};}}}};if(deconcept.SWFObject.doPrepUnload){if(!deconcept.unloadSet){deconcept.SWFObjectUtil.prepUnload=function(){__flash_unloadHandler=function(){};__flash_savedUnloadHandler=function(){};window.attachEvent("onunload",deconcept.SWFObjectUtil.cleanupSWFs);};window.attachEvent("onbeforeunload",deconcept.SWFObjectUtil.prepUnload);deconcept.unloadSet=true;}}if(!document.getElementById&&document.all){document.getElementById=function(id){return document.all[id];};}var getQueryParamValue=deconcept.util.getRequestParameter;var FlashObject=deconcept.SWFObject;var SWFObject=deconcept.SWFObject;

/*
Copyright (c) 2007, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 2.2.2
*/

if(typeof YAHOO=="undefined"){var YAHOO={};}
YAHOO.namespace=function(){var a=arguments,o=null,i,j,d;for(i=0;i<a.length;i=i+1){d=a[i].split(".");o=YAHOO;for(j=(d[0]=="YAHOO")?1:0;j<d.length;j=j+1){o[d[j]]=o[d[j]]||{};o=o[d[j]];}}
return o;};YAHOO.log=function(msg,cat,src){var l=YAHOO.widget.Logger;if(l&&l.log){return l.log(msg,cat,src);}else{return false;}};YAHOO.init=function(){this.namespace("util","widget","example");if(typeof YAHOO_config!="undefined"){var l=YAHOO_config.listener,ls=YAHOO.env.listeners,unique=true,i;if(l){for(i=0;i<ls.length;i=i+1){if(ls[i]==l){unique=false;break;}}
if(unique){ls.push(l);}}}};YAHOO.register=function(name,mainClass,data){var mods=YAHOO.env.modules;if(!mods[name]){mods[name]={versions:[],builds:[]};}
var m=mods[name],v=data.version,b=data.build,ls=YAHOO.env.listeners;m.name=name;m.version=v;m.build=b;m.versions.push(v);m.builds.push(b);m.mainClass=mainClass;for(var i=0;i<ls.length;i=i+1){ls[i](m);}
if(mainClass){mainClass.VERSION=v;mainClass.BUILD=b;}else{YAHOO.log("mainClass is undefined for module "+name,"warn");}};YAHOO.env=YAHOO.env||{modules:[],listeners:[],getVersion:function(name){return YAHOO.env.modules[name]||null;}};YAHOO.lang={isArray:function(obj){if(obj&&obj.constructor&&obj.constructor.toString().indexOf('Array')>-1){return true;}else{return YAHOO.lang.isObject(obj)&&obj.constructor==Array;}},isBoolean:function(obj){return typeof obj=='boolean';},isFunction:function(obj){return typeof obj=='function';},isNull:function(obj){return obj===null;},isNumber:function(obj){return typeof obj=='number'&&isFinite(obj);},isObject:function(obj){return obj&&(typeof obj=='object'||YAHOO.lang.isFunction(obj));},isString:function(obj){return typeof obj=='string';},isUndefined:function(obj){return typeof obj=='undefined';},hasOwnProperty:function(obj,prop){if(Object.prototype.hasOwnProperty){return obj.hasOwnProperty(prop);}
return!YAHOO.lang.isUndefined(obj[prop])&&obj.constructor.prototype[prop]!==obj[prop];},extend:function(subc,superc,overrides){if(!superc||!subc){throw new Error("YAHOO.lang.extend failed, please check that "+"all dependencies are included.");}
var F=function(){};F.prototype=superc.prototype;subc.prototype=new F();subc.prototype.constructor=subc;subc.superclass=superc.prototype;if(superc.prototype.constructor==Object.prototype.constructor){superc.prototype.constructor=superc;}
if(overrides){for(var i in overrides){subc.prototype[i]=overrides[i];}}},augment:function(r,s){if(!s||!r){throw new Error("YAHOO.lang.augment failed, please check that "+"all dependencies are included.");}
var rp=r.prototype,sp=s.prototype,a=arguments,i,p;if(a[2]){for(i=2;i<a.length;i=i+1){rp[a[i]]=sp[a[i]];}}else{for(p in sp){if(!rp[p]){rp[p]=sp[p];}}}}};YAHOO.init();YAHOO.util.Lang=YAHOO.lang;YAHOO.augment=YAHOO.lang.augment;YAHOO.extend=YAHOO.lang.extend;YAHOO.register("yahoo",YAHOO,{version:"2.2.2",build:"204"});
(function(){var Y=YAHOO.util,getStyle,setStyle,id_counter=0,propertyCache={};var ua=navigator.userAgent.toLowerCase(),isOpera=(ua.indexOf('opera')>-1),isSafari=(ua.indexOf('safari')>-1),isGecko=(!isOpera&&!isSafari&&ua.indexOf('gecko')>-1),isIE=(!isOpera&&ua.indexOf('msie')>-1);var patterns={HYPHEN:/(-[a-z])/i,ROOT_TAG:/body|html/i};var toCamel=function(property){if(!patterns.HYPHEN.test(property)){return property;}
if(propertyCache[property]){return propertyCache[property];}
var converted=property;while(patterns.HYPHEN.exec(converted)){converted=converted.replace(RegExp.$1,RegExp.$1.substr(1).toUpperCase());}
propertyCache[property]=converted;return converted;};if(document.defaultView&&document.defaultView.getComputedStyle){getStyle=function(el,property){var value=null;if(property=='float'){property='cssFloat';}
var computed=document.defaultView.getComputedStyle(el,'');if(computed){value=computed[toCamel(property)];}
return el.style[property]||value;};}else if(document.documentElement.currentStyle&&isIE){getStyle=function(el,property){switch(toCamel(property)){case'opacity':var val=100;try{val=el.filters['DXImageTransform.Microsoft.Alpha'].opacity;}catch(e){try{val=el.filters('alpha').opacity;}catch(e){}}
return val/100;break;case'float':property='styleFloat';default:var value=el.currentStyle?el.currentStyle[property]:null;return(el.style[property]||value);}};}else{getStyle=function(el,property){return el.style[property];};}
if(isIE){setStyle=function(el,property,val){switch(property){case'opacity':if(YAHOO.lang.isString(el.style.filter)){el.style.filter='alpha(opacity='+val*100+')';if(!el.currentStyle||!el.currentStyle.hasLayout){el.style.zoom=1;}}
break;case'float':property='styleFloat';default:el.style[property]=val;}};}else{setStyle=function(el,property,val){if(property=='float'){property='cssFloat';}
el.style[property]=val;};}
YAHOO.util.Dom={get:function(el){if(YAHOO.lang.isString(el)){return document.getElementById(el);}
if(YAHOO.lang.isArray(el)){var c=[];for(var i=0,len=el.length;i<len;++i){c[c.length]=Y.Dom.get(el[i]);}
return c;}
if(el){return el;}
return null;},getStyle:function(el,property){property=toCamel(property);var f=function(element){return getStyle(element,property);};return Y.Dom.batch(el,f,Y.Dom,true);},setStyle:function(el,property,val){property=toCamel(property);var f=function(element){setStyle(element,property,val);};Y.Dom.batch(el,f,Y.Dom,true);},getXY:function(el){var f=function(el){if((el.parentNode===null||el.offsetParent===null||this.getStyle(el,'display')=='none')&&el!=document.body){return false;}
var parentNode=null;var pos=[];var box;if(el.getBoundingClientRect){box=el.getBoundingClientRect();var doc=document;if(!this.inDocument(el)&&parent.document!=document){doc=parent.document;if(!this.isAncestor(doc.documentElement,el)){return false;}}
var scrollTop=Math.max(doc.documentElement.scrollTop,doc.body.scrollTop);var scrollLeft=Math.max(doc.documentElement.scrollLeft,doc.body.scrollLeft);return[box.left+scrollLeft,box.top+scrollTop];}
else{pos=[el.offsetLeft,el.offsetTop];parentNode=el.offsetParent;var hasAbs=this.getStyle(el,'position')=='absolute';if(parentNode!=el){while(parentNode){pos[0]+=parentNode.offsetLeft;pos[1]+=parentNode.offsetTop;if(isSafari&&!hasAbs&&this.getStyle(parentNode,'position')=='absolute'){hasAbs=true;}
parentNode=parentNode.offsetParent;}}
if(isSafari&&hasAbs){pos[0]-=document.body.offsetLeft;pos[1]-=document.body.offsetTop;}}
parentNode=el.parentNode;while(parentNode.tagName&&!patterns.ROOT_TAG.test(parentNode.tagName))
{if(Y.Dom.getStyle(parentNode,'display')!='inline'){pos[0]-=parentNode.scrollLeft;pos[1]-=parentNode.scrollTop;}
parentNode=parentNode.parentNode;}
return pos;};return Y.Dom.batch(el,f,Y.Dom,true);},getX:function(el){var f=function(el){return Y.Dom.getXY(el)[0];};return Y.Dom.batch(el,f,Y.Dom,true);},getY:function(el){var f=function(el){return Y.Dom.getXY(el)[1];};return Y.Dom.batch(el,f,Y.Dom,true);},setXY:function(el,pos,noRetry){var f=function(el){var style_pos=this.getStyle(el,'position');if(style_pos=='static'){this.setStyle(el,'position','relative');style_pos='relative';}
var pageXY=this.getXY(el);if(pageXY===false){return false;}
var delta=[parseInt(this.getStyle(el,'left'),10),parseInt(this.getStyle(el,'top'),10)];if(isNaN(delta[0])){delta[0]=(style_pos=='relative')?0:el.offsetLeft;}
if(isNaN(delta[1])){delta[1]=(style_pos=='relative')?0:el.offsetTop;}
if(pos[0]!==null){el.style.left=pos[0]-pageXY[0]+delta[0]+'px';}
if(pos[1]!==null){el.style.top=pos[1]-pageXY[1]+delta[1]+'px';}
if(!noRetry){var newXY=this.getXY(el);if((pos[0]!==null&&newXY[0]!=pos[0])||(pos[1]!==null&&newXY[1]!=pos[1])){this.setXY(el,pos,true);}}};Y.Dom.batch(el,f,Y.Dom,true);},setX:function(el,x){Y.Dom.setXY(el,[x,null]);},setY:function(el,y){Y.Dom.setXY(el,[null,y]);},getRegion:function(el){var f=function(el){var region=new Y.Region.getRegion(el);return region;};return Y.Dom.batch(el,f,Y.Dom,true);},getClientWidth:function(){return Y.Dom.getViewportWidth();},getClientHeight:function(){return Y.Dom.getViewportHeight();},getElementsByClassName:function(className,tag,root){var method=function(el){return Y.Dom.hasClass(el,className);};return Y.Dom.getElementsBy(method,tag,root);},hasClass:function(el,className){var re=new RegExp('(?:^|\\s+)'+className+'(?:\\s+|$)');var f=function(el){return re.test(el.className);};return Y.Dom.batch(el,f,Y.Dom,true);},addClass:function(el,className){var f=function(el){if(this.hasClass(el,className)){return;}
el.className=[el.className,className].join(' ');};Y.Dom.batch(el,f,Y.Dom,true);},removeClass:function(el,className){var re=new RegExp('(?:^|\\s+)'+className+'(?:\\s+|$)','g');var f=function(el){if(!this.hasClass(el,className)){return;}
var c=el.className;el.className=c.replace(re,' ');if(this.hasClass(el,className)){this.removeClass(el,className);}};Y.Dom.batch(el,f,Y.Dom,true);},replaceClass:function(el,oldClassName,newClassName){if(oldClassName===newClassName){return false;}
var re=new RegExp('(?:^|\\s+)'+oldClassName+'(?:\\s+|$)','g');var f=function(el){if(!this.hasClass(el,oldClassName)){this.addClass(el,newClassName);return;}
el.className=el.className.replace(re,' '+newClassName+' ');if(this.hasClass(el,oldClassName)){this.replaceClass(el,oldClassName,newClassName);}};Y.Dom.batch(el,f,Y.Dom,true);},generateId:function(el,prefix){prefix=prefix||'yui-gen';el=el||{};var f=function(el){if(el){el=Y.Dom.get(el);}else{el={};}
if(!el.id){el.id=prefix+id_counter++;}
return el.id;};return Y.Dom.batch(el,f,Y.Dom,true);},isAncestor:function(haystack,needle){haystack=Y.Dom.get(haystack);if(!haystack||!needle){return false;}
var f=function(needle){if(haystack.contains&&!isSafari){return haystack.contains(needle);}
else if(haystack.compareDocumentPosition){return!!(haystack.compareDocumentPosition(needle)&16);}
else{var parent=needle.parentNode;while(parent){if(parent==haystack){return true;}
else if(!parent.tagName||parent.tagName.toUpperCase()=='HTML'){return false;}
parent=parent.parentNode;}
return false;}};return Y.Dom.batch(needle,f,Y.Dom,true);},inDocument:function(el){var f=function(el){return this.isAncestor(document.documentElement,el);};return Y.Dom.batch(el,f,Y.Dom,true);},getElementsBy:function(method,tag,root){tag=tag||'*';var nodes=[];if(root){root=Y.Dom.get(root);if(!root){return nodes;}}else{root=document;}
var elements=root.getElementsByTagName(tag);if(!elements.length&&(tag=='*'&&root.all)){elements=root.all;}
for(var i=0,len=elements.length;i<len;++i){if(method(elements[i])){nodes[nodes.length]=elements[i];}}
return nodes;},batch:function(el,method,o,override){var id=el;el=Y.Dom.get(el);var scope=(override)?o:window;if(!el||el.tagName||!el.length){if(!el){return false;}
return method.call(scope,el,o);}
var collection=[];for(var i=0,len=el.length;i<len;++i){if(!el[i]){id=el[i];}
collection[collection.length]=method.call(scope,el[i],o);}
return collection;},getDocumentHeight:function(){var scrollHeight=(document.compatMode!='CSS1Compat')?document.body.scrollHeight:document.documentElement.scrollHeight;var h=Math.max(scrollHeight,Y.Dom.getViewportHeight());return h;},getDocumentWidth:function(){var scrollWidth=(document.compatMode!='CSS1Compat')?document.body.scrollWidth:document.documentElement.scrollWidth;var w=Math.max(scrollWidth,Y.Dom.getViewportWidth());return w;},getViewportHeight:function(){var height=self.innerHeight;var mode=document.compatMode;if((mode||isIE)&&!isOpera){height=(mode=='CSS1Compat')?document.documentElement.clientHeight:document.body.clientHeight;}
return height;},getViewportWidth:function(){var width=self.innerWidth;var mode=document.compatMode;if(mode||isIE){width=(mode=='CSS1Compat')?document.documentElement.clientWidth:document.body.clientWidth;}
return width;}};})();YAHOO.util.Region=function(t,r,b,l){this.top=t;this[1]=t;this.right=r;this.bottom=b;this.left=l;this[0]=l;};YAHOO.util.Region.prototype.contains=function(region){return(region.left>=this.left&&region.right<=this.right&&region.top>=this.top&&region.bottom<=this.bottom);};YAHOO.util.Region.prototype.getArea=function(){return((this.bottom-this.top)*(this.right-this.left));};YAHOO.util.Region.prototype.intersect=function(region){var t=Math.max(this.top,region.top);var r=Math.min(this.right,region.right);var b=Math.min(this.bottom,region.bottom);var l=Math.max(this.left,region.left);if(b>=t&&r>=l){return new YAHOO.util.Region(t,r,b,l);}else{return null;}};YAHOO.util.Region.prototype.union=function(region){var t=Math.min(this.top,region.top);var r=Math.max(this.right,region.right);var b=Math.max(this.bottom,region.bottom);var l=Math.min(this.left,region.left);return new YAHOO.util.Region(t,r,b,l);};YAHOO.util.Region.prototype.toString=function(){return("Region {"+"top: "+this.top+", right: "+this.right+", bottom: "+this.bottom+", left: "+this.left+"}");};YAHOO.util.Region.getRegion=function(el){var p=YAHOO.util.Dom.getXY(el);var t=p[1];var r=p[0]+el.offsetWidth;var b=p[1]+el.offsetHeight;var l=p[0];return new YAHOO.util.Region(t,r,b,l);};YAHOO.util.Point=function(x,y){if(x instanceof Array){y=x[1];x=x[0];}
this.x=this.right=this.left=this[0]=x;this.y=this.top=this.bottom=this[1]=y;};YAHOO.util.Point.prototype=new YAHOO.util.Region();YAHOO.register("dom",YAHOO.util.Dom,{version:"2.2.2",build:"204"});
YAHOO.util.CustomEvent=function(type,oScope,silent,signature){this.type=type;this.scope=oScope||window;this.silent=silent;this.signature=signature||YAHOO.util.CustomEvent.LIST;this.subscribers=[];if(!this.silent){}
var onsubscribeType="_YUICEOnSubscribe";if(type!==onsubscribeType){this.subscribeEvent=new YAHOO.util.CustomEvent(onsubscribeType,this,true);}};YAHOO.util.CustomEvent.LIST=0;YAHOO.util.CustomEvent.FLAT=1;YAHOO.util.CustomEvent.prototype={subscribe:function(fn,obj,override){if(!fn){throw new Error("Invalid callback for subscriber to '"+this.type+"'");}
if(this.subscribeEvent){this.subscribeEvent.fire(fn,obj,override);}
this.subscribers.push(new YAHOO.util.Subscriber(fn,obj,override));},unsubscribe:function(fn,obj){if(!fn){return this.unsubscribeAll();}
var found=false;for(var i=0,len=this.subscribers.length;i<len;++i){var s=this.subscribers[i];if(s&&s.contains(fn,obj)){this._delete(i);found=true;}}
return found;},fire:function(){var len=this.subscribers.length;if(!len&&this.silent){return true;}
var args=[],ret=true,i;for(i=0;i<arguments.length;++i){args.push(arguments[i]);}
var argslength=args.length;if(!this.silent){}
for(i=0;i<len;++i){var s=this.subscribers[i];if(s){if(!this.silent){}
var scope=s.getScope(this.scope);if(this.signature==YAHOO.util.CustomEvent.FLAT){var param=null;if(args.length>0){param=args[0];}
ret=s.fn.call(scope,param,s.obj);}else{ret=s.fn.call(scope,this.type,args,s.obj);}
if(false===ret){if(!this.silent){}
return false;}}}
return true;},unsubscribeAll:function(){for(var i=0,len=this.subscribers.length;i<len;++i){this._delete(len-1-i);}
return i;},_delete:function(index){var s=this.subscribers[index];if(s){delete s.fn;delete s.obj;}
this.subscribers.splice(index,1);},toString:function(){return"CustomEvent: "+"'"+this.type+"', "+"scope: "+this.scope;}};YAHOO.util.Subscriber=function(fn,obj,override){this.fn=fn;this.obj=obj||null;this.override=override;};YAHOO.util.Subscriber.prototype.getScope=function(defaultScope){if(this.override){if(this.override===true){return this.obj;}else{return this.override;}}
return defaultScope;};YAHOO.util.Subscriber.prototype.contains=function(fn,obj){if(obj){return(this.fn==fn&&this.obj==obj);}else{return(this.fn==fn);}};YAHOO.util.Subscriber.prototype.toString=function(){return"Subscriber { obj: "+(this.obj||"")+", override: "+(this.override||"no")+" }";};if(!YAHOO.util.Event){YAHOO.util.Event=function(){var loadComplete=false;var DOMReady=false;var listeners=[];var unloadListeners=[];var legacyEvents=[];var legacyHandlers=[];var retryCount=0;var onAvailStack=[];var legacyMap=[];var counter=0;var lastError=null;return{POLL_RETRYS:200,POLL_INTERVAL:10,EL:0,TYPE:1,FN:2,WFN:3,OBJ:3,ADJ_SCOPE:4,isSafari:(/KHTML/gi).test(navigator.userAgent),webkit:function(){var v=navigator.userAgent.match(/AppleWebKit\/([^ ]*)/);if(v&&v[1]){return v[1];}
return null;}(),isIE:(!this.webkit&&!navigator.userAgent.match(/opera/gi)&&navigator.userAgent.match(/msie/gi)),_interval:null,startInterval:function(){if(!this._interval){var self=this;var callback=function(){self._tryPreloadAttach();};this._interval=setInterval(callback,this.POLL_INTERVAL);}},onAvailable:function(p_id,p_fn,p_obj,p_override){onAvailStack.push({id:p_id,fn:p_fn,obj:p_obj,override:p_override,checkReady:false});retryCount=this.POLL_RETRYS;this.startInterval();},onDOMReady:function(p_fn,p_obj,p_override){this.DOMReadyEvent.subscribe(p_fn,p_obj,p_override);},onContentReady:function(p_id,p_fn,p_obj,p_override){onAvailStack.push({id:p_id,fn:p_fn,obj:p_obj,override:p_override,checkReady:true});retryCount=this.POLL_RETRYS;this.startInterval();},addListener:function(el,sType,fn,obj,override){if(!fn||!fn.call){return false;}
if(this._isValidCollection(el)){var ok=true;for(var i=0,len=el.length;i<len;++i){ok=this.on(el[i],sType,fn,obj,override)&&ok;}
return ok;}else if(typeof el=="string"){var oEl=this.getEl(el);if(oEl){el=oEl;}else{this.onAvailable(el,function(){YAHOO.util.Event.on(el,sType,fn,obj,override);});return true;}}
if(!el){return false;}
if("unload"==sType&&obj!==this){unloadListeners[unloadListeners.length]=[el,sType,fn,obj,override];return true;}
var scope=el;if(override){if(override===true){scope=obj;}else{scope=override;}}
var wrappedFn=function(e){return fn.call(scope,YAHOO.util.Event.getEvent(e),obj);};var li=[el,sType,fn,wrappedFn,scope];var index=listeners.length;listeners[index]=li;if(this.useLegacyEvent(el,sType)){var legacyIndex=this.getLegacyIndex(el,sType);if(legacyIndex==-1||el!=legacyEvents[legacyIndex][0]){legacyIndex=legacyEvents.length;legacyMap[el.id+sType]=legacyIndex;legacyEvents[legacyIndex]=[el,sType,el["on"+sType]];legacyHandlers[legacyIndex]=[];el["on"+sType]=function(e){YAHOO.util.Event.fireLegacyEvent(YAHOO.util.Event.getEvent(e),legacyIndex);};}
legacyHandlers[legacyIndex].push(li);}else{try{this._simpleAdd(el,sType,wrappedFn,false);}catch(ex){this.lastError=ex;this.removeListener(el,sType,fn);return false;}}
return true;},fireLegacyEvent:function(e,legacyIndex){var ok=true,le,lh,li,scope,ret;lh=legacyHandlers[legacyIndex];for(var i=0,len=lh.length;i<len;++i){li=lh[i];if(li&&li[this.WFN]){scope=li[this.ADJ_SCOPE];ret=li[this.WFN].call(scope,e);ok=(ok&&ret);}}
le=legacyEvents[legacyIndex];if(le&&le[2]){le[2](e);}
return ok;},getLegacyIndex:function(el,sType){var key=this.generateId(el)+sType;if(typeof legacyMap[key]=="undefined"){return-1;}else{return legacyMap[key];}},useLegacyEvent:function(el,sType){if(this.webkit&&("click"==sType||"dblclick"==sType)){var v=parseInt(this.webkit,10);if(!isNaN(v)&&v<418){return true;}}
return false;},removeListener:function(el,sType,fn){var i,len;if(typeof el=="string"){el=this.getEl(el);}else if(this._isValidCollection(el)){var ok=true;for(i=0,len=el.length;i<len;++i){ok=(this.removeListener(el[i],sType,fn)&&ok);}
return ok;}
if(!fn||!fn.call){return this.purgeElement(el,false,sType);}
if("unload"==sType){for(i=0,len=unloadListeners.length;i<len;i++){var li=unloadListeners[i];if(li&&li[0]==el&&li[1]==sType&&li[2]==fn){unloadListeners.splice(i,1);return true;}}
return false;}
var cacheItem=null;var index=arguments[3];if("undefined"==typeof index){index=this._getCacheIndex(el,sType,fn);}
if(index>=0){cacheItem=listeners[index];}
if(!el||!cacheItem){return false;}
if(this.useLegacyEvent(el,sType)){var legacyIndex=this.getLegacyIndex(el,sType);var llist=legacyHandlers[legacyIndex];if(llist){for(i=0,len=llist.length;i<len;++i){li=llist[i];if(li&&li[this.EL]==el&&li[this.TYPE]==sType&&li[this.FN]==fn){llist.splice(i,1);break;}}}}else{try{this._simpleRemove(el,sType,cacheItem[this.WFN],false);}catch(ex){this.lastError=ex;return false;}}
delete listeners[index][this.WFN];delete listeners[index][this.FN];listeners.splice(index,1);return true;},getTarget:function(ev,resolveTextNode){var t=ev.target||ev.srcElement;return this.resolveTextNode(t);},resolveTextNode:function(node){if(node&&3==node.nodeType){return node.parentNode;}else{return node;}},getPageX:function(ev){var x=ev.pageX;if(!x&&0!==x){x=ev.clientX||0;if(this.isIE){x+=this._getScrollLeft();}}
return x;},getPageY:function(ev){var y=ev.pageY;if(!y&&0!==y){y=ev.clientY||0;if(this.isIE){y+=this._getScrollTop();}}
return y;},getXY:function(ev){return[this.getPageX(ev),this.getPageY(ev)];},getRelatedTarget:function(ev){var t=ev.relatedTarget;if(!t){if(ev.type=="mouseout"){t=ev.toElement;}else if(ev.type=="mouseover"){t=ev.fromElement;}}
return this.resolveTextNode(t);},getTime:function(ev){if(!ev.time){var t=new Date().getTime();try{ev.time=t;}catch(ex){this.lastError=ex;return t;}}
return ev.time;},stopEvent:function(ev){this.stopPropagation(ev);this.preventDefault(ev);},stopPropagation:function(ev){if(ev.stopPropagation){ev.stopPropagation();}else{ev.cancelBubble=true;}},preventDefault:function(ev){if(ev.preventDefault){ev.preventDefault();}else{ev.returnValue=false;}},getEvent:function(e){var ev=e||window.event;if(!ev){var c=this.getEvent.caller;while(c){ev=c.arguments[0];if(ev&&Event==ev.constructor){break;}
c=c.caller;}}
return ev;},getCharCode:function(ev){return ev.charCode||ev.keyCode||0;},_getCacheIndex:function(el,sType,fn){for(var i=0,len=listeners.length;i<len;++i){var li=listeners[i];if(li&&li[this.FN]==fn&&li[this.EL]==el&&li[this.TYPE]==sType){return i;}}
return-1;},generateId:function(el){var id=el.id;if(!id){id="yuievtautoid-"+counter;++counter;el.id=id;}
return id;},_isValidCollection:function(o){return(o&&o.length&&typeof o!="string"&&!o.tagName&&!o.alert&&typeof o[0]!="undefined");},elCache:{},getEl:function(id){return document.getElementById(id);},clearCache:function(){},DOMReadyEvent:new YAHOO.util.CustomEvent("DOMReady",this),_load:function(e){if(!loadComplete){loadComplete=true;var EU=YAHOO.util.Event;EU._ready();if(this.isIE){EU._simpleRemove(window,"load",EU._load);}}},_ready:function(e){if(!DOMReady){DOMReady=true;var EU=YAHOO.util.Event;EU.DOMReadyEvent.fire();EU._simpleRemove(document,"DOMContentLoaded",EU._ready);}},_tryPreloadAttach:function(){if(this.locked){return false;}
if(this.isIE&&!DOMReady){return false;}
this.locked=true;var tryAgain=!loadComplete;if(!tryAgain){tryAgain=(retryCount>0);}
var notAvail=[];var executeItem=function(el,item){var scope=el;if(item.override){if(item.override===true){scope=item.obj;}else{scope=item.override;}}
item.fn.call(scope,item.obj);};var i,len,item,el;for(i=0,len=onAvailStack.length;i<len;++i){item=onAvailStack[i];if(item&&!item.checkReady){el=this.getEl(item.id);if(el){executeItem(el,item);onAvailStack[i]=null;}else{notAvail.push(item);}}}
for(i=0,len=onAvailStack.length;i<len;++i){item=onAvailStack[i];if(item&&item.checkReady){el=this.getEl(item.id);if(el){if(loadComplete||el.nextSibling){executeItem(el,item);onAvailStack[i]=null;}}else{notAvail.push(item);}}}
retryCount=(notAvail.length===0)?0:retryCount-1;if(tryAgain){this.startInterval();}else{clearInterval(this._interval);this._interval=null;}
this.locked=false;return true;},purgeElement:function(el,recurse,sType){var elListeners=this.getListeners(el,sType);if(elListeners){for(var i=0,len=elListeners.length;i<len;++i){var l=elListeners[i];this.removeListener(el,l.type,l.fn);}}
if(recurse&&el&&el.childNodes){for(i=0,len=el.childNodes.length;i<len;++i){this.purgeElement(el.childNodes[i],recurse,sType);}}},getListeners:function(el,sType){var results=[],searchLists;if(!sType){searchLists=[listeners,unloadListeners];}else if(sType=="unload"){searchLists=[unloadListeners];}else{searchLists=[listeners];}
for(var j=0;j<searchLists.length;++j){var searchList=searchLists[j];if(searchList&&searchList.length>0){for(var i=0,len=searchList.length;i<len;++i){var l=searchList[i];if(l&&l[this.EL]===el&&(!sType||sType===l[this.TYPE])){results.push({type:l[this.TYPE],fn:l[this.FN],obj:l[this.OBJ],adjust:l[this.ADJ_SCOPE],index:i});}}}}
return(results.length)?results:null;},_unload:function(e){var EU=YAHOO.util.Event,i,j,l,len,index;for(i=0,len=unloadListeners.length;i<len;++i){l=unloadListeners[i];if(l){var scope=window;if(l[EU.ADJ_SCOPE]){if(l[EU.ADJ_SCOPE]===true){scope=l[EU.OBJ];}else{scope=l[EU.ADJ_SCOPE];}}
l[EU.FN].call(scope,EU.getEvent(e),l[EU.OBJ]);unloadListeners[i]=null;l=null;scope=null;}}
unloadListeners=null;if(listeners&&listeners.length>0){j=listeners.length;while(j){index=j-1;l=listeners[index];if(l){EU.removeListener(l[EU.EL],l[EU.TYPE],l[EU.FN],index);}
j=j-1;}
l=null;EU.clearCache();}
for(i=0,len=legacyEvents.length;i<len;++i){legacyEvents[i][0]=null;legacyEvents[i]=null;}
legacyEvents=null;EU._simpleRemove(window,"unload",EU._unload);},_getScrollLeft:function(){return this._getScroll()[1];},_getScrollTop:function(){return this._getScroll()[0];},_getScroll:function(){var dd=document.documentElement,db=document.body;if(dd&&(dd.scrollTop||dd.scrollLeft)){return[dd.scrollTop,dd.scrollLeft];}else if(db){return[db.scrollTop,db.scrollLeft];}else{return[0,0];}},regCE:function(){},_simpleAdd:function(){if(window.addEventListener){return function(el,sType,fn,capture){el.addEventListener(sType,fn,(capture));};}else if(window.attachEvent){return function(el,sType,fn,capture){el.attachEvent("on"+sType,fn);};}else{return function(){};}}(),_simpleRemove:function(){if(window.removeEventListener){return function(el,sType,fn,capture){el.removeEventListener(sType,fn,(capture));};}else if(window.detachEvent){return function(el,sType,fn){el.detachEvent("on"+sType,fn);};}else{return function(){};}}()};}();(function(){var EU=YAHOO.util.Event;EU.on=EU.addListener;if(EU.isIE){document.write('<scr'+'ipt id="_yui_eu_dr" defer="true" src="//:"></script>');var el=document.getElementById("_yui_eu_dr");el.onreadystatechange=function(){if("complete"==this.readyState){this.parentNode.removeChild(this);YAHOO.util.Event._ready();}};el=null;YAHOO.util.Event.onDOMReady(YAHOO.util.Event._tryPreloadAttach,YAHOO.util.Event,true);}else if(EU.webkit){EU._drwatch=setInterval(function(){var rs=document.readyState;if("loaded"==rs||"complete"==rs){clearInterval(EU._drwatch);EU._drwatch=null;EU._ready();}},EU.POLL_INTERVAL);}else{EU._simpleAdd(document,"DOMContentLoaded",EU._ready);}
EU._simpleAdd(window,"load",EU._load);EU._simpleAdd(window,"unload",EU._unload);EU._tryPreloadAttach();})();}
YAHOO.util.EventProvider=function(){};YAHOO.util.EventProvider.prototype={__yui_events:null,__yui_subscribers:null,subscribe:function(p_type,p_fn,p_obj,p_override){this.__yui_events=this.__yui_events||{};var ce=this.__yui_events[p_type];if(ce){ce.subscribe(p_fn,p_obj,p_override);}else{this.__yui_subscribers=this.__yui_subscribers||{};var subs=this.__yui_subscribers;if(!subs[p_type]){subs[p_type]=[];}
subs[p_type].push({fn:p_fn,obj:p_obj,override:p_override});}},unsubscribe:function(p_type,p_fn,p_obj){this.__yui_events=this.__yui_events||{};var ce=this.__yui_events[p_type];if(ce){return ce.unsubscribe(p_fn,p_obj);}else{return false;}},unsubscribeAll:function(p_type){return this.unsubscribe(p_type);},createEvent:function(p_type,p_config){this.__yui_events=this.__yui_events||{};var opts=p_config||{};var events=this.__yui_events;if(events[p_type]){}else{var scope=opts.scope||this;var silent=opts.silent||null;var ce=new YAHOO.util.CustomEvent(p_type,scope,silent,YAHOO.util.CustomEvent.FLAT);events[p_type]=ce;if(opts.onSubscribeCallback){ce.subscribeEvent.subscribe(opts.onSubscribeCallback);}
this.__yui_subscribers=this.__yui_subscribers||{};var qs=this.__yui_subscribers[p_type];if(qs){for(var i=0;i<qs.length;++i){ce.subscribe(qs[i].fn,qs[i].obj,qs[i].override);}}}
return events[p_type];},fireEvent:function(p_type,arg1,arg2,etc){this.__yui_events=this.__yui_events||{};var ce=this.__yui_events[p_type];if(ce){var args=[];for(var i=1;i<arguments.length;++i){args.push(arguments[i]);}
return ce.fire.apply(ce,args);}else{return null;}},hasEvent:function(type){if(this.__yui_events){if(this.__yui_events[type]){return true;}}
return false;}};YAHOO.util.KeyListener=function(attachTo,keyData,handler,event){if(!attachTo){}else if(!keyData){}else if(!handler){}
if(!event){event=YAHOO.util.KeyListener.KEYDOWN;}
var keyEvent=new YAHOO.util.CustomEvent("keyPressed");this.enabledEvent=new YAHOO.util.CustomEvent("enabled");this.disabledEvent=new YAHOO.util.CustomEvent("disabled");if(typeof attachTo=='string'){attachTo=document.getElementById(attachTo);}
if(typeof handler=='function'){keyEvent.subscribe(handler);}else{keyEvent.subscribe(handler.fn,handler.scope,handler.correctScope);}
function handleKeyPress(e,obj){if(!keyData.shift){keyData.shift=false;}
if(!keyData.alt){keyData.alt=false;}
if(!keyData.ctrl){keyData.ctrl=false;}
if(e.shiftKey==keyData.shift&&e.altKey==keyData.alt&&e.ctrlKey==keyData.ctrl){var dataItem;var keyPressed;if(keyData.keys instanceof Array){for(var i=0;i<keyData.keys.length;i++){dataItem=keyData.keys[i];if(dataItem==e.charCode){keyEvent.fire(e.charCode,e);break;}else if(dataItem==e.keyCode){keyEvent.fire(e.keyCode,e);break;}}}else{dataItem=keyData.keys;if(dataItem==e.charCode){keyEvent.fire(e.charCode,e);}else if(dataItem==e.keyCode){keyEvent.fire(e.keyCode,e);}}}}
this.enable=function(){if(!this.enabled){YAHOO.util.Event.addListener(attachTo,event,handleKeyPress);this.enabledEvent.fire(keyData);}
this.enabled=true;};this.disable=function(){if(this.enabled){YAHOO.util.Event.removeListener(attachTo,event,handleKeyPress);this.disabledEvent.fire(keyData);}
this.enabled=false;};this.toString=function(){return"KeyListener ["+keyData.keys+"] "+attachTo.tagName+
(attachTo.id?"["+attachTo.id+"]":"");};};YAHOO.util.KeyListener.KEYDOWN="keydown";YAHOO.util.KeyListener.KEYUP="keyup";YAHOO.register("event",YAHOO.util.Event,{version:"2.2.2",build:"204"});

/*
Copyright (c) 2007, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 2.2.2
*/

YAHOO.util.Config=function(owner){if(owner){this.init(owner);}};YAHOO.util.Config.CONFIG_CHANGED_EVENT="configChanged";YAHOO.util.Config.BOOLEAN_TYPE="boolean";YAHOO.util.Config.prototype={owner:null,queueInProgress:false,config:null,initialConfig:null,eventQueue:null,configChangedEvent:null,checkBoolean:function(val){return(typeof val==YAHOO.util.Config.BOOLEAN_TYPE);},checkNumber:function(val){return(!isNaN(val));},fireEvent:function(key,value){var property=this.config[key];if(property&&property.event){property.event.fire(value);}},addProperty:function(key,propertyObject){key=key.toLowerCase();this.config[key]=propertyObject;propertyObject.event=new YAHOO.util.CustomEvent(key,this.owner);propertyObject.key=key;if(propertyObject.handler){propertyObject.event.subscribe(propertyObject.handler,this.owner);}
this.setProperty(key,propertyObject.value,true);if(!propertyObject.suppressEvent){this.queueProperty(key,propertyObject.value);}},getConfig:function(){var cfg={};for(var prop in this.config){var property=this.config[prop];if(property&&property.event){cfg[prop]=property.value;}}
return cfg;},getProperty:function(key){var property=this.config[key.toLowerCase()];if(property&&property.event){return property.value;}else{return undefined;}},resetProperty:function(key){key=key.toLowerCase();var property=this.config[key];if(property&&property.event){if(this.initialConfig[key]&&!YAHOO.lang.isUndefined(this.initialConfig[key])){this.setProperty(key,this.initialConfig[key]);}
return true;}else{return false;}},setProperty:function(key,value,silent){key=key.toLowerCase();if(this.queueInProgress&&!silent){this.queueProperty(key,value);return true;}else{var property=this.config[key];if(property&&property.event){if(property.validator&&!property.validator(value)){return false;}else{property.value=value;if(!silent){this.fireEvent(key,value);this.configChangedEvent.fire([key,value]);}
return true;}}else{return false;}}},queueProperty:function(key,value){key=key.toLowerCase();var property=this.config[key];if(property&&property.event){if(!YAHOO.lang.isUndefined(value)&&property.validator&&!property.validator(value)){return false;}else{if(!YAHOO.lang.isUndefined(value)){property.value=value;}else{value=property.value;}
var foundDuplicate=false;var iLen=this.eventQueue.length;for(var i=0;i<iLen;i++){var queueItem=this.eventQueue[i];if(queueItem){var queueItemKey=queueItem[0];var queueItemValue=queueItem[1];if(queueItemKey==key){this.eventQueue[i]=null;this.eventQueue.push([key,(!YAHOO.lang.isUndefined(value)?value:queueItemValue)]);foundDuplicate=true;break;}}}
if(!foundDuplicate&&!YAHOO.lang.isUndefined(value)){this.eventQueue.push([key,value]);}}
if(property.supercedes){var sLen=property.supercedes.length;for(var s=0;s<sLen;s++){var supercedesCheck=property.supercedes[s];var qLen=this.eventQueue.length;for(var q=0;q<qLen;q++){var queueItemCheck=this.eventQueue[q];if(queueItemCheck){var queueItemCheckKey=queueItemCheck[0];var queueItemCheckValue=queueItemCheck[1];if(queueItemCheckKey==supercedesCheck.toLowerCase()){this.eventQueue.push([queueItemCheckKey,queueItemCheckValue]);this.eventQueue[q]=null;break;}}}}}
return true;}else{return false;}},refireEvent:function(key){key=key.toLowerCase();var property=this.config[key];if(property&&property.event&&!YAHOO.lang.isUndefined(property.value)){if(this.queueInProgress){this.queueProperty(key);}else{this.fireEvent(key,property.value);}}},applyConfig:function(userConfig,init){if(init){this.initialConfig=userConfig;}
for(var prop in userConfig){this.queueProperty(prop,userConfig[prop]);}},refresh:function(){for(var prop in this.config){this.refireEvent(prop);}},fireQueue:function(){this.queueInProgress=true;for(var i=0;i<this.eventQueue.length;i++){var queueItem=this.eventQueue[i];if(queueItem){var key=queueItem[0];var value=queueItem[1];var property=this.config[key];property.value=value;this.fireEvent(key,value);}}
this.queueInProgress=false;this.eventQueue=[];},subscribeToConfigEvent:function(key,handler,obj,override){var property=this.config[key.toLowerCase()];if(property&&property.event){if(!YAHOO.util.Config.alreadySubscribed(property.event,handler,obj)){property.event.subscribe(handler,obj,override);}
return true;}else{return false;}},unsubscribeFromConfigEvent:function(key,handler,obj){var property=this.config[key.toLowerCase()];if(property&&property.event){return property.event.unsubscribe(handler,obj);}else{return false;}},toString:function(){var output="Config";if(this.owner){output+=" ["+this.owner.toString()+"]";}
return output;},outputEventQueue:function(){var output="";for(var q=0;q<this.eventQueue.length;q++){var queueItem=this.eventQueue[q];if(queueItem){output+=queueItem[0]+"="+queueItem[1]+", ";}}
return output;}};YAHOO.util.Config.prototype.init=function(owner){this.owner=owner;this.configChangedEvent=new YAHOO.util.CustomEvent(YAHOO.util.CONFIG_CHANGED_EVENT,this);this.queueInProgress=false;this.config={};this.initialConfig={};this.eventQueue=[];};YAHOO.util.Config.alreadySubscribed=function(evt,fn,obj){for(var e=0;e<evt.subscribers.length;e++){var subsc=evt.subscribers[e];if(subsc&&subsc.obj==obj&&subsc.fn==fn){return true;}}
return false;};YAHOO.widget.DateMath={DAY:"D",WEEK:"W",YEAR:"Y",MONTH:"M",ONE_DAY_MS:1000*60*60*24,add:function(date,field,amount){var d=new Date(date.getTime());switch(field){case this.MONTH:var newMonth=date.getMonth()+amount;var years=0;if(newMonth<0){while(newMonth<0){newMonth+=12;years-=1;}}else if(newMonth>11){while(newMonth>11){newMonth-=12;years+=1;}}
d.setMonth(newMonth);d.setFullYear(date.getFullYear()+years);break;case this.DAY:d.setDate(date.getDate()+amount);break;case this.YEAR:d.setFullYear(date.getFullYear()+amount);break;case this.WEEK:d.setDate(date.getDate()+(amount*7));break;}
return d;},subtract:function(date,field,amount){return this.add(date,field,(amount*-1));},before:function(date,compareTo){var ms=compareTo.getTime();if(date.getTime()<ms){return true;}else{return false;}},after:function(date,compareTo){var ms=compareTo.getTime();if(date.getTime()>ms){return true;}else{return false;}},between:function(date,dateBegin,dateEnd){if(this.after(date,dateBegin)&&this.before(date,dateEnd)){return true;}else{return false;}},getJan1:function(calendarYear){return new Date(calendarYear,0,1);},getDayOffset:function(date,calendarYear){var beginYear=this.getJan1(calendarYear);var dayOffset=Math.ceil((date.getTime()-beginYear.getTime())/this.ONE_DAY_MS);return dayOffset;},getWeekNumber:function(date,calendarYear){date=this.clearTime(date);var nearestThurs=new Date(date.getTime()+(4*this.ONE_DAY_MS)-((date.getDay())*this.ONE_DAY_MS));var jan1=new Date(nearestThurs.getFullYear(),0,1);var dayOfYear=((nearestThurs.getTime()-jan1.getTime())/this.ONE_DAY_MS)-1;var weekNum=Math.ceil((dayOfYear)/7);return weekNum;},isYearOverlapWeek:function(weekBeginDate){var overlaps=false;var nextWeek=this.add(weekBeginDate,this.DAY,6);if(nextWeek.getFullYear()!=weekBeginDate.getFullYear()){overlaps=true;}
return overlaps;},isMonthOverlapWeek:function(weekBeginDate){var overlaps=false;var nextWeek=this.add(weekBeginDate,this.DAY,6);if(nextWeek.getMonth()!=weekBeginDate.getMonth()){overlaps=true;}
return overlaps;},findMonthStart:function(date){var start=new Date(date.getFullYear(),date.getMonth(),1);return start;},findMonthEnd:function(date){var start=this.findMonthStart(date);var nextMonth=this.add(start,this.MONTH,1);var end=this.subtract(nextMonth,this.DAY,1);return end;},clearTime:function(date){date.setHours(12,0,0,0);return date;}};YAHOO.widget.Calendar=function(id,containerId,config){this.init(id,containerId,config);};YAHOO.widget.Calendar.IMG_ROOT=null;YAHOO.widget.Calendar.DATE="D";YAHOO.widget.Calendar.MONTH_DAY="MD";YAHOO.widget.Calendar.WEEKDAY="WD";YAHOO.widget.Calendar.RANGE="R";YAHOO.widget.Calendar.MONTH="M";YAHOO.widget.Calendar.DISPLAY_DAYS=42;YAHOO.widget.Calendar.STOP_RENDER="S";YAHOO.widget.Calendar.SHORT="short";YAHOO.widget.Calendar.LONG="long";YAHOO.widget.Calendar.MEDIUM="medium";YAHOO.widget.Calendar.ONE_CHAR="1char";YAHOO.widget.Calendar._DEFAULT_CONFIG={PAGEDATE:{key:"pagedate",value:null},SELECTED:{key:"selected",value:null},TITLE:{key:"title",value:""},CLOSE:{key:"close",value:false},IFRAME:{key:"iframe",value:true},MINDATE:{key:"mindate",value:null},MAXDATE:{key:"maxdate",value:null},MULTI_SELECT:{key:"multi_select",value:false},START_WEEKDAY:{key:"start_weekday",value:0},SHOW_WEEKDAYS:{key:"show_weekdays",value:true},SHOW_WEEK_HEADER:{key:"show_week_header",value:false},SHOW_WEEK_FOOTER:{key:"show_week_footer",value:false},HIDE_BLANK_WEEKS:{key:"hide_blank_weeks",value:false},NAV_ARROW_LEFT:{key:"nav_arrow_left",value:null},NAV_ARROW_RIGHT:{key:"nav_arrow_right",value:null},MONTHS_SHORT:{key:"months_short",value:["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"]},MONTHS_LONG:{key:"months_long",value:["January","February","March","April","May","June","July","August","September","October","November","December"]},WEEKDAYS_1CHAR:{key:"weekdays_1char",value:["S","M","T","W","T","F","S"]},WEEKDAYS_SHORT:{key:"weekdays_short",value:["Su","Mo","Tu","We","Th","Fr","Sa"]},WEEKDAYS_MEDIUM:{key:"weekdays_medium",value:["Sun","Mon","Tue","Wed","Thu","Fri","Sat"]},WEEKDAYS_LONG:{key:"weekdays_long",value:["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"]},LOCALE_MONTHS:{key:"locale_months",value:"long"},LOCALE_WEEKDAYS:{key:"locale_weekdays",value:"short"},DATE_DELIMITER:{key:"date_delimiter",value:","},DATE_FIELD_DELIMITER:{key:"date_field_delimiter",value:"/"},DATE_RANGE_DELIMITER:{key:"date_range_delimiter",value:"-"},MY_MONTH_POSITION:{key:"my_month_position",value:1},MY_YEAR_POSITION:{key:"my_year_position",value:2},MD_MONTH_POSITION:{key:"md_month_position",value:1},MD_DAY_POSITION:{key:"md_day_position",value:2},MDY_MONTH_POSITION:{key:"mdy_month_position",value:1},MDY_DAY_POSITION:{key:"mdy_day_position",value:2},MDY_YEAR_POSITION:{key:"mdy_year_position",value:3}};YAHOO.widget.Calendar._EVENT_TYPES={BEFORE_SELECT:"beforeSelect",SELECT:"select",BEFORE_DESELECT:"beforeDeselect",DESELECT:"deselect",CHANGE_PAGE:"changePage",BEFORE_RENDER:"beforeRender",RENDER:"render",RESET:"reset",CLEAR:"clear"};YAHOO.widget.Calendar._STYLES={CSS_ROW_HEADER:"calrowhead",CSS_ROW_FOOTER:"calrowfoot",CSS_CELL:"calcell",CSS_CELL_SELECTOR:"selector",CSS_CELL_SELECTED:"selected",CSS_CELL_SELECTABLE:"selectable",CSS_CELL_RESTRICTED:"restricted",CSS_CELL_TODAY:"today",CSS_CELL_OOM:"oom",CSS_CELL_OOB:"previous",CSS_HEADER:"calheader",CSS_HEADER_TEXT:"calhead",CSS_BODY:"calbody",CSS_WEEKDAY_CELL:"calweekdaycell",CSS_WEEKDAY_ROW:"calweekdayrow",CSS_FOOTER:"calfoot",CSS_CALENDAR:"yui-calendar",CSS_SINGLE:"single",CSS_CONTAINER:"yui-calcontainer",CSS_NAV_LEFT:"calnavleft",CSS_NAV_RIGHT:"calnavright",CSS_CLOSE:"calclose",CSS_CELL_TOP:"calcelltop",CSS_CELL_LEFT:"calcellleft",CSS_CELL_RIGHT:"calcellright",CSS_CELL_BOTTOM:"calcellbottom",CSS_CELL_HOVER:"calcellhover",CSS_CELL_HIGHLIGHT1:"highlight1",CSS_CELL_HIGHLIGHT2:"highlight2",CSS_CELL_HIGHLIGHT3:"highlight3",CSS_CELL_HIGHLIGHT4:"highlight4"};YAHOO.widget.Calendar.prototype={Config:null,parent:null,index:-1,cells:null,cellDates:null,id:null,oDomContainer:null,today:null,renderStack:null,_renderStack:null,_selectedDates:null,domEventMap:null};YAHOO.widget.Calendar.prototype.init=function(id,containerId,config){this.initEvents();this.today=new Date();YAHOO.widget.DateMath.clearTime(this.today);this.id=id;this.oDomContainer=document.getElementById(containerId);this.cfg=new YAHOO.util.Config(this);this.Options={};this.Locale={};this.initStyles();YAHOO.util.Dom.addClass(this.oDomContainer,this.Style.CSS_CONTAINER);YAHOO.util.Dom.addClass(this.oDomContainer,this.Style.CSS_SINGLE);this.cellDates=[];this.cells=[];this.renderStack=[];this._renderStack=[];this.setupConfig();if(config){this.cfg.applyConfig(config,true);}
this.cfg.fireQueue();};YAHOO.widget.Calendar.prototype.configIframe=function(type,args,obj){var useIframe=args[0];if(!this.parent){if(YAHOO.util.Dom.inDocument(this.oDomContainer)){if(useIframe){var pos=YAHOO.util.Dom.getStyle(this.oDomContainer,"position");if(this.browser=="ie"&&(pos=="absolute"||pos=="relative")){if(!YAHOO.util.Dom.inDocument(this.iframe)){this.iframe=document.createElement("iframe");this.iframe.src="javascript:false;";YAHOO.util.Dom.setStyle(this.iframe,"opacity","0");this.oDomContainer.insertBefore(this.iframe,this.oDomContainer.firstChild);}}}else{if(this.iframe){if(this.iframe.parentNode){this.iframe.parentNode.removeChild(this.iframe);}
this.iframe=null;}}}}};YAHOO.widget.Calendar.prototype.configTitle=function(type,args,obj){var title=args[0];var close=this.cfg.getProperty(YAHOO.widget.Calendar._DEFAULT_CONFIG.CLOSE.key);var titleDiv;if(title&&title!==""){titleDiv=YAHOO.util.Dom.getElementsByClassName(YAHOO.widget.CalendarGroup.CSS_2UPTITLE,"div",this.oDomContainer)[0]||document.createElement("div");titleDiv.className=YAHOO.widget.CalendarGroup.CSS_2UPTITLE;titleDiv.innerHTML=title;this.oDomContainer.insertBefore(titleDiv,this.oDomContainer.firstChild);YAHOO.util.Dom.addClass(this.oDomContainer,"withtitle");}else{titleDiv=YAHOO.util.Dom.getElementsByClassName(YAHOO.widget.CalendarGroup.CSS_2UPTITLE,"div",this.oDomContainer)[0]||null;if(titleDiv){YAHOO.util.Event.purgeElement(titleDiv);this.oDomContainer.removeChild(titleDiv);}
if(!close){YAHOO.util.Dom.removeClass(this.oDomContainer,"withtitle");}}};YAHOO.widget.Calendar.prototype.configClose=function(type,args,obj){var close=args[0];var title=this.cfg.getProperty(YAHOO.widget.Calendar._DEFAULT_CONFIG.TITLE.key);var DEPR_CLOSE_PATH="us/my/bn/x_d.gif";var linkClose;if(close===true){linkClose=YAHOO.util.Dom.getElementsByClassName("link-close","a",this.oDomContainer)[0]||document.createElement("a");linkClose.href="#";linkClose.className="link-close";YAHOO.util.Event.addListener(linkClose,"click",function(e,cal){cal.hide();YAHOO.util.Event.preventDefault(e);},this);if(YAHOO.widget.Calendar.IMG_ROOT!==null){var imgClose=document.createElement("img");imgClose.src=YAHOO.widget.Calendar.IMG_ROOT+DEPR_CLOSE_PATH;imgClose.className=YAHOO.widget.CalendarGroup.CSS_2UPCLOSE;linkClose.appendChild(imgClose);}else{linkClose.innerHTML='<span class="'+YAHOO.widget.CalendarGroup.CSS_2UPCLOSE+' '+this.Style.CSS_CLOSE+'"></span>';}
this.oDomContainer.appendChild(linkClose);YAHOO.util.Dom.addClass(this.oDomContainer,"withtitle");}else{linkClose=YAHOO.util.Dom.getElementsByClassName("link-close","a",this.oDomContainer)[0]||null;if(linkClose){YAHOO.util.Event.purgeElement(linkClose);this.oDomContainer.removeChild(linkClose);}
if(!title||title===""){YAHOO.util.Dom.removeClass(this.oDomContainer,"withtitle");}}};YAHOO.widget.Calendar.prototype.initEvents=function(){var defEvents=YAHOO.widget.Calendar._EVENT_TYPES;this.beforeSelectEvent=new YAHOO.util.CustomEvent(defEvents.BEFORE_SELECT);this.selectEvent=new YAHOO.util.CustomEvent(defEvents.SELECT);this.beforeDeselectEvent=new YAHOO.util.CustomEvent(defEvents.BEFORE_DESELECT);this.deselectEvent=new YAHOO.util.CustomEvent(defEvents.DESELECT);this.changePageEvent=new YAHOO.util.CustomEvent(defEvents.CHANGE_PAGE);this.beforeRenderEvent=new YAHOO.util.CustomEvent(defEvents.BEFORE_RENDER);this.renderEvent=new YAHOO.util.CustomEvent(defEvents.RENDER);this.resetEvent=new YAHOO.util.CustomEvent(defEvents.RESET);this.clearEvent=new YAHOO.util.CustomEvent(defEvents.CLEAR);this.beforeSelectEvent.subscribe(this.onBeforeSelect,this,true);this.selectEvent.subscribe(this.onSelect,this,true);this.beforeDeselectEvent.subscribe(this.onBeforeDeselect,this,true);this.deselectEvent.subscribe(this.onDeselect,this,true);this.changePageEvent.subscribe(this.onChangePage,this,true);this.renderEvent.subscribe(this.onRender,this,true);this.resetEvent.subscribe(this.onReset,this,true);this.clearEvent.subscribe(this.onClear,this,true);};YAHOO.widget.Calendar.prototype.doSelectCell=function(e,cal){var cell,index,d,date;var target=YAHOO.util.Event.getTarget(e);var tagName=target.tagName.toLowerCase();var defSelector=false;while(tagName!="td"&&!YAHOO.util.Dom.hasClass(target,cal.Style.CSS_CELL_SELECTABLE)){if(!defSelector&&tagName=="a"&&YAHOO.util.Dom.hasClass(target,cal.Style.CSS_CELL_SELECTOR)){defSelector=true;}
target=target.parentNode;tagName=target.tagName.toLowerCase();if(tagName=="html"){return;}}
if(defSelector){YAHOO.util.Event.preventDefault(e);}
cell=target;if(YAHOO.util.Dom.hasClass(cell,cal.Style.CSS_CELL_SELECTABLE)){index=cell.id.split("cell")[1];d=cal.cellDates[index];date=new Date(d[0],d[1]-1,d[2]);var link;if(cal.Options.MULTI_SELECT){link=cell.getElementsByTagName("a")[0];if(link){link.blur();}
var cellDate=cal.cellDates[index];var cellDateIndex=cal._indexOfSelectedFieldArray(cellDate);if(cellDateIndex>-1){cal.deselectCell(index);}else{cal.selectCell(index);}}else{link=cell.getElementsByTagName("a")[0];if(link){link.blur();}
cal.selectCell(index);}}};YAHOO.widget.Calendar.prototype.doCellMouseOver=function(e,cal){var target;if(e){target=YAHOO.util.Event.getTarget(e);}else{target=this;}
while(target.tagName.toLowerCase()!="td"){target=target.parentNode;if(target.tagName.toLowerCase()=="html"){return;}}
if(YAHOO.util.Dom.hasClass(target,cal.Style.CSS_CELL_SELECTABLE)){YAHOO.util.Dom.addClass(target,cal.Style.CSS_CELL_HOVER);}};YAHOO.widget.Calendar.prototype.doCellMouseOut=function(e,cal){var target;if(e){target=YAHOO.util.Event.getTarget(e);}else{target=this;}
while(target.tagName.toLowerCase()!="td"){target=target.parentNode;if(target.tagName.toLowerCase()=="html"){return;}}
if(YAHOO.util.Dom.hasClass(target,cal.Style.CSS_CELL_SELECTABLE)){YAHOO.util.Dom.removeClass(target,cal.Style.CSS_CELL_HOVER);}};YAHOO.widget.Calendar.prototype.setupConfig=function(){var defCfg=YAHOO.widget.Calendar._DEFAULT_CONFIG;this.cfg.addProperty(defCfg.PAGEDATE.key,{value:new Date(),handler:this.configPageDate});this.cfg.addProperty(defCfg.SELECTED.key,{value:[],handler:this.configSelected});this.cfg.addProperty(defCfg.TITLE.key,{value:defCfg.TITLE.value,handler:this.configTitle});this.cfg.addProperty(defCfg.CLOSE.key,{value:defCfg.CLOSE.value,handler:this.configClose});this.cfg.addProperty(defCfg.IFRAME.key,{value:defCfg.IFRAME.value,handler:this.configIframe,validator:this.cfg.checkBoolean});this.cfg.addProperty(defCfg.MINDATE.key,{value:defCfg.MINDATE.value,handler:this.configMinDate});this.cfg.addProperty(defCfg.MAXDATE.key,{value:defCfg.MAXDATE.value,handler:this.configMaxDate});this.cfg.addProperty(defCfg.MULTI_SELECT.key,{value:defCfg.MULTI_SELECT.value,handler:this.configOptions,validator:this.cfg.checkBoolean});this.cfg.addProperty(defCfg.START_WEEKDAY.key,{value:defCfg.START_WEEKDAY.value,handler:this.configOptions,validator:this.cfg.checkNumber});this.cfg.addProperty(defCfg.SHOW_WEEKDAYS.key,{value:defCfg.SHOW_WEEKDAYS.value,handler:this.configOptions,validator:this.cfg.checkBoolean});this.cfg.addProperty(defCfg.SHOW_WEEK_HEADER.key,{value:defCfg.SHOW_WEEK_HEADER.value,handler:this.configOptions,validator:this.cfg.checkBoolean});this.cfg.addProperty(defCfg.SHOW_WEEK_FOOTER.key,{value:defCfg.SHOW_WEEK_FOOTER.value,handler:this.configOptions,validator:this.cfg.checkBoolean});this.cfg.addProperty(defCfg.HIDE_BLANK_WEEKS.key,{value:defCfg.HIDE_BLANK_WEEKS.value,handler:this.configOptions,validator:this.cfg.checkBoolean});this.cfg.addProperty(defCfg.NAV_ARROW_LEFT.key,{value:defCfg.NAV_ARROW_LEFT.value,handler:this.configOptions});this.cfg.addProperty(defCfg.NAV_ARROW_RIGHT.key,{value:defCfg.NAV_ARROW_RIGHT.value,handler:this.configOptions});this.cfg.addProperty(defCfg.MONTHS_SHORT.key,{value:defCfg.MONTHS_SHORT.value,handler:this.configLocale});this.cfg.addProperty(defCfg.MONTHS_LONG.key,{value:defCfg.MONTHS_LONG.value,handler:this.configLocale});this.cfg.addProperty(defCfg.WEEKDAYS_1CHAR.key,{value:defCfg.WEEKDAYS_1CHAR.value,handler:this.configLocale});this.cfg.addProperty(defCfg.WEEKDAYS_SHORT.key,{value:defCfg.WEEKDAYS_SHORT.value,handler:this.configLocale});this.cfg.addProperty(defCfg.WEEKDAYS_MEDIUM.key,{value:defCfg.WEEKDAYS_MEDIUM.value,handler:this.configLocale});this.cfg.addProperty(defCfg.WEEKDAYS_LONG.key,{value:defCfg.WEEKDAYS_LONG.value,handler:this.configLocale});var refreshLocale=function(){this.cfg.refireEvent(defCfg.LOCALE_MONTHS.key);this.cfg.refireEvent(defCfg.LOCALE_WEEKDAYS.key);};this.cfg.subscribeToConfigEvent(defCfg.START_WEEKDAY.key,refreshLocale,this,true);this.cfg.subscribeToConfigEvent(defCfg.MONTHS_SHORT.key,refreshLocale,this,true);this.cfg.subscribeToConfigEvent(defCfg.MONTHS_LONG.key,refreshLocale,this,true);this.cfg.subscribeToConfigEvent(defCfg.WEEKDAYS_1CHAR.key,refreshLocale,this,true);this.cfg.subscribeToConfigEvent(defCfg.WEEKDAYS_SHORT.key,refreshLocale,this,true);this.cfg.subscribeToConfigEvent(defCfg.WEEKDAYS_MEDIUM.key,refreshLocale,this,true);this.cfg.subscribeToConfigEvent(defCfg.WEEKDAYS_LONG.key,refreshLocale,this,true);this.cfg.addProperty(defCfg.LOCALE_MONTHS.key,{value:defCfg.LOCALE_MONTHS.value,handler:this.configLocaleValues});this.cfg.addProperty(defCfg.LOCALE_WEEKDAYS.key,{value:defCfg.LOCALE_WEEKDAYS.value,handler:this.configLocaleValues});this.cfg.addProperty(defCfg.DATE_DELIMITER.key,{value:defCfg.DATE_DELIMITER.value,handler:this.configLocale});this.cfg.addProperty(defCfg.DATE_FIELD_DELIMITER.key,{value:defCfg.DATE_FIELD_DELIMITER.value,handler:this.configLocale});this.cfg.addProperty(defCfg.DATE_RANGE_DELIMITER.key,{value:defCfg.DATE_RANGE_DELIMITER.value,handler:this.configLocale});this.cfg.addProperty(defCfg.MY_MONTH_POSITION.key,{value:defCfg.MY_MONTH_POSITION.value,handler:this.configLocale,validator:this.cfg.checkNumber});this.cfg.addProperty(defCfg.MY_YEAR_POSITION.key,{value:defCfg.MY_YEAR_POSITION.value,handler:this.configLocale,validator:this.cfg.checkNumber});this.cfg.addProperty(defCfg.MD_MONTH_POSITION.key,{value:defCfg.MD_MONTH_POSITION.value,handler:this.configLocale,validator:this.cfg.checkNumber});this.cfg.addProperty(defCfg.MD_DAY_POSITION.key,{value:defCfg.MD_DAY_POSITION.value,handler:this.configLocale,validator:this.cfg.checkNumber});this.cfg.addProperty(defCfg.MDY_MONTH_POSITION.key,{value:defCfg.MDY_MONTH_POSITION.value,handler:this.configLocale,validator:this.cfg.checkNumber});this.cfg.addProperty(defCfg.MDY_DAY_POSITION.key,{value:defCfg.MDY_DAY_POSITION.value,handler:this.configLocale,validator:this.cfg.checkNumber});this.cfg.addProperty(defCfg.MDY_YEAR_POSITION.key,{value:defCfg.MDY_YEAR_POSITION.value,handler:this.configLocale,validator:this.cfg.checkNumber});};YAHOO.widget.Calendar.prototype.configPageDate=function(type,args,obj){this.cfg.setProperty(YAHOO.widget.Calendar._DEFAULT_CONFIG.PAGEDATE.key,this._parsePageDate(args[0]),true);};YAHOO.widget.Calendar.prototype.configMinDate=function(type,args,obj){var val=args[0];if(YAHOO.lang.isString(val)){val=this._parseDate(val);this.cfg.setProperty(YAHOO.widget.Calendar._DEFAULT_CONFIG.MINDATE.key,new Date(val[0],(val[1]-1),val[2]));}};YAHOO.widget.Calendar.prototype.configMaxDate=function(type,args,obj){var val=args[0];if(YAHOO.lang.isString(val)){val=this._parseDate(val);this.cfg.setProperty(YAHOO.widget.Calendar._DEFAULT_CONFIG.MAXDATE.key,new Date(val[0],(val[1]-1),val[2]));}};YAHOO.widget.Calendar.prototype.configSelected=function(type,args,obj){var selected=args[0];var cfgSelected=YAHOO.widget.Calendar._DEFAULT_CONFIG.SELECTED.key;if(selected){if(YAHOO.lang.isString(selected)){this.cfg.setProperty(cfgSelected,this._parseDates(selected),true);}}
if(!this._selectedDates){this._selectedDates=this.cfg.getProperty(cfgSelected);}};YAHOO.widget.Calendar.prototype.configOptions=function(type,args,obj){this.Options[type.toUpperCase()]=args[0];};YAHOO.widget.Calendar.prototype.configLocale=function(type,args,obj){var defCfg=YAHOO.widget.Calendar._DEFAULT_CONFIG;this.Locale[type.toUpperCase()]=args[0];this.cfg.refireEvent(defCfg.LOCALE_MONTHS.key);this.cfg.refireEvent(defCfg.LOCALE_WEEKDAYS.key);};YAHOO.widget.Calendar.prototype.configLocaleValues=function(type,args,obj){var defCfg=YAHOO.widget.Calendar._DEFAULT_CONFIG;type=type.toLowerCase();var val=args[0];switch(type){case defCfg.LOCALE_MONTHS.key:switch(val){case YAHOO.widget.Calendar.SHORT:this.Locale.LOCALE_MONTHS=this.cfg.getProperty(defCfg.MONTHS_SHORT.key).concat();break;case YAHOO.widget.Calendar.LONG:this.Locale.LOCALE_MONTHS=this.cfg.getProperty(defCfg.MONTHS_LONG.key).concat();break;}
break;case defCfg.LOCALE_WEEKDAYS.key:switch(val){case YAHOO.widget.Calendar.ONE_CHAR:this.Locale.LOCALE_WEEKDAYS=this.cfg.getProperty(defCfg.WEEKDAYS_1CHAR.key).concat();break;case YAHOO.widget.Calendar.SHORT:this.Locale.LOCALE_WEEKDAYS=this.cfg.getProperty(defCfg.WEEKDAYS_SHORT.key).concat();break;case YAHOO.widget.Calendar.MEDIUM:this.Locale.LOCALE_WEEKDAYS=this.cfg.getProperty(defCfg.WEEKDAYS_MEDIUM.key).concat();break;case YAHOO.widget.Calendar.LONG:this.Locale.LOCALE_WEEKDAYS=this.cfg.getProperty(defCfg.WEEKDAYS_LONG.key).concat();break;}
var START_WEEKDAY=this.cfg.getProperty(defCfg.START_WEEKDAY.key);if(START_WEEKDAY>0){for(var w=0;w<START_WEEKDAY;++w){this.Locale.LOCALE_WEEKDAYS.push(this.Locale.LOCALE_WEEKDAYS.shift());}}
break;}};YAHOO.widget.Calendar.prototype.initStyles=function(){var defStyle=YAHOO.widget.Calendar._STYLES;this.Style={CSS_ROW_HEADER:defStyle.CSS_ROW_HEADER,CSS_ROW_FOOTER:defStyle.CSS_ROW_FOOTER,CSS_CELL:defStyle.CSS_CELL,CSS_CELL_SELECTOR:defStyle.CSS_CELL_SELECTOR,CSS_CELL_SELECTED:defStyle.CSS_CELL_SELECTED,CSS_CELL_SELECTABLE:defStyle.CSS_CELL_SELECTABLE,CSS_CELL_RESTRICTED:defStyle.CSS_CELL_RESTRICTED,CSS_CELL_TODAY:defStyle.CSS_CELL_TODAY,CSS_CELL_OOM:defStyle.CSS_CELL_OOM,CSS_CELL_OOB:defStyle.CSS_CELL_OOB,CSS_HEADER:defStyle.CSS_HEADER,CSS_HEADER_TEXT:defStyle.CSS_HEADER_TEXT,CSS_BODY:defStyle.CSS_BODY,CSS_WEEKDAY_CELL:defStyle.CSS_WEEKDAY_CELL,CSS_WEEKDAY_ROW:defStyle.CSS_WEEKDAY_ROW,CSS_FOOTER:defStyle.CSS_FOOTER,CSS_CALENDAR:defStyle.CSS_CALENDAR,CSS_SINGLE:defStyle.CSS_SINGLE,CSS_CONTAINER:defStyle.CSS_CONTAINER,CSS_NAV_LEFT:defStyle.CSS_NAV_LEFT,CSS_NAV_RIGHT:defStyle.CSS_NAV_RIGHT,CSS_CLOSE:defStyle.CSS_CLOSE,CSS_CELL_TOP:defStyle.CSS_CELL_TOP,CSS_CELL_LEFT:defStyle.CSS_CELL_LEFT,CSS_CELL_RIGHT:defStyle.CSS_CELL_RIGHT,CSS_CELL_BOTTOM:defStyle.CSS_CELL_BOTTOM,CSS_CELL_HOVER:defStyle.CSS_CELL_HOVER,CSS_CELL_HIGHLIGHT1:defStyle.CSS_CELL_HIGHLIGHT1,CSS_CELL_HIGHLIGHT2:defStyle.CSS_CELL_HIGHLIGHT2,CSS_CELL_HIGHLIGHT3:defStyle.CSS_CELL_HIGHLIGHT3,CSS_CELL_HIGHLIGHT4:defStyle.CSS_CELL_HIGHLIGHT4};};YAHOO.widget.Calendar.prototype.buildMonthLabel=function(){var pageDate=this.cfg.getProperty(YAHOO.widget.Calendar._DEFAULT_CONFIG.PAGEDATE.key);return this.Locale.LOCALE_MONTHS[pageDate.getMonth()]+" "+pageDate.getFullYear();};YAHOO.widget.Calendar.prototype.buildDayLabel=function(workingDate){return workingDate.getDate();};YAHOO.widget.Calendar.prototype.renderHeader=function(html){var colSpan=7;var DEPR_NAV_LEFT="us/tr/callt.gif";var DEPR_NAV_RIGHT="us/tr/calrt.gif";var defCfg=YAHOO.widget.Calendar._DEFAULT_CONFIG;if(this.cfg.getProperty(defCfg.SHOW_WEEK_HEADER.key)){colSpan+=1;}
if(this.cfg.getProperty(defCfg.SHOW_WEEK_FOOTER.key)){colSpan+=1;}
html[html.length]="<thead>";html[html.length]="<tr>";html[html.length]='<th colspan="'+colSpan+'" class="'+this.Style.CSS_HEADER_TEXT+'">';html[html.length]='<div class="'+this.Style.CSS_HEADER+'">';var renderLeft,renderRight=false;if(this.parent){if(this.index===0){renderLeft=true;}
if(this.index==(this.parent.cfg.getProperty("pages")-1)){renderRight=true;}}else{renderLeft=true;renderRight=true;}
var cal=this.parent||this;if(renderLeft){var leftArrow=this.cfg.getProperty(defCfg.NAV_ARROW_LEFT.key);if(leftArrow===null&&YAHOO.widget.Calendar.IMG_ROOT!==null){leftArrow=YAHOO.widget.Calendar.IMG_ROOT+DEPR_NAV_LEFT;}
var leftStyle=(leftArrow===null)?"":' style="background-image:url('+leftArrow+')"';html[html.length]='<a class="'+this.Style.CSS_NAV_LEFT+'"'+leftStyle+' >&#160;</a>';}
html[html.length]=this.buildMonthLabel();if(renderRight){var rightArrow=this.cfg.getProperty(defCfg.NAV_ARROW_RIGHT.key);if(rightArrow===null&&YAHOO.widget.Calendar.IMG_ROOT!==null){rightArrow=YAHOO.widget.Calendar.IMG_ROOT+DEPR_NAV_RIGHT;}
var rightStyle=(rightArrow===null)?"":' style="background-image:url('+rightArrow+')"';html[html.length]='<a class="'+this.Style.CSS_NAV_RIGHT+'"'+rightStyle+' >&#160;</a>';}
html[html.length]='</div>\n</th>\n</tr>';if(this.cfg.getProperty(defCfg.SHOW_WEEKDAYS.key)){html=this.buildWeekdays(html);}
html[html.length]='</thead>';return html;};YAHOO.widget.Calendar.prototype.buildWeekdays=function(html){var defCfg=YAHOO.widget.Calendar._DEFAULT_CONFIG;html[html.length]='<tr class="'+this.Style.CSS_WEEKDAY_ROW+'">';if(this.cfg.getProperty(defCfg.SHOW_WEEK_HEADER.key)){html[html.length]='<th>&#160;</th>';}
for(var i=0;i<this.Locale.LOCALE_WEEKDAYS.length;++i){html[html.length]='<th class="calweekdaycell">'+this.Locale.LOCALE_WEEKDAYS[i]+'</th>';}
if(this.cfg.getProperty(defCfg.SHOW_WEEK_FOOTER.key)){html[html.length]='<th>&#160;</th>';}
html[html.length]='</tr>';return html;};YAHOO.widget.Calendar.prototype.renderBody=function(workingDate,html){var defCfg=YAHOO.widget.Calendar._DEFAULT_CONFIG;var startDay=this.cfg.getProperty(defCfg.START_WEEKDAY.key);this.preMonthDays=workingDate.getDay();if(startDay>0){this.preMonthDays-=startDay;}
if(this.preMonthDays<0){this.preMonthDays+=7;}
this.monthDays=YAHOO.widget.DateMath.findMonthEnd(workingDate).getDate();this.postMonthDays=YAHOO.widget.Calendar.DISPLAY_DAYS-this.preMonthDays-this.monthDays;workingDate=YAHOO.widget.DateMath.subtract(workingDate,YAHOO.widget.DateMath.DAY,this.preMonthDays);var weekNum,weekClass;var weekPrefix="w";var cellPrefix="_cell";var workingDayPrefix="wd";var dayPrefix="d";var cellRenderers;var renderer;var todayYear=this.today.getFullYear();var todayMonth=this.today.getMonth();var todayDate=this.today.getDate();var useDate=this.cfg.getProperty(defCfg.PAGEDATE.key);var hideBlankWeeks=this.cfg.getProperty(defCfg.HIDE_BLANK_WEEKS.key);var showWeekFooter=this.cfg.getProperty(defCfg.SHOW_WEEK_FOOTER.key);var showWeekHeader=this.cfg.getProperty(defCfg.SHOW_WEEK_HEADER.key);var mindate=this.cfg.getProperty(defCfg.MINDATE.key);var maxdate=this.cfg.getProperty(defCfg.MAXDATE.key);if(mindate){mindate=YAHOO.widget.DateMath.clearTime(mindate);}
if(maxdate){maxdate=YAHOO.widget.DateMath.clearTime(maxdate);}
html[html.length]='<tbody class="m'+(useDate.getMonth()+1)+' '+this.Style.CSS_BODY+'">';var i=0;var tempDiv=document.createElement("div");var cell=document.createElement("td");tempDiv.appendChild(cell);var jan1=new Date(useDate.getFullYear(),0,1);var cal=this.parent||this;for(var r=0;r<6;r++){weekNum=YAHOO.widget.DateMath.getWeekNumber(workingDate,useDate.getFullYear(),startDay);weekClass=weekPrefix+weekNum;if(r!==0&&hideBlankWeeks===true&&workingDate.getMonth()!=useDate.getMonth()){break;}else{html[html.length]='<tr class="'+weekClass+'">';if(showWeekHeader){html=this.renderRowHeader(weekNum,html);}
for(var d=0;d<7;d++){cellRenderers=[];renderer=null;this.clearElement(cell);cell.className=this.Style.CSS_CELL;cell.id=this.id+cellPrefix+i;if(workingDate.getDate()==todayDate&&workingDate.getMonth()==todayMonth&&workingDate.getFullYear()==todayYear){cellRenderers[cellRenderers.length]=cal.renderCellStyleToday;}
var workingArray=[workingDate.getFullYear(),workingDate.getMonth()+1,workingDate.getDate()];this.cellDates[this.cellDates.length]=workingArray;if(workingDate.getMonth()!=useDate.getMonth()){cellRenderers[cellRenderers.length]=cal.renderCellNotThisMonth;}else{YAHOO.util.Dom.addClass(cell,workingDayPrefix+workingDate.getDay());YAHOO.util.Dom.addClass(cell,dayPrefix+workingDate.getDate());for(var s=0;s<this.renderStack.length;++s){var rArray=this.renderStack[s];var type=rArray[0];var month;var day;var year;switch(type){case YAHOO.widget.Calendar.DATE:month=rArray[1][1];day=rArray[1][2];year=rArray[1][0];if(workingDate.getMonth()+1==month&&workingDate.getDate()==day&&workingDate.getFullYear()==year){renderer=rArray[2];this.renderStack.splice(s,1);}
break;case YAHOO.widget.Calendar.MONTH_DAY:month=rArray[1][0];day=rArray[1][1];if(workingDate.getMonth()+1==month&&workingDate.getDate()==day){renderer=rArray[2];this.renderStack.splice(s,1);}
break;case YAHOO.widget.Calendar.RANGE:var date1=rArray[1][0];var date2=rArray[1][1];var d1month=date1[1];var d1day=date1[2];var d1year=date1[0];var d1=new Date(d1year,d1month-1,d1day);var d2month=date2[1];var d2day=date2[2];var d2year=date2[0];var d2=new Date(d2year,d2month-1,d2day);if(workingDate.getTime()>=d1.getTime()&&workingDate.getTime()<=d2.getTime()){renderer=rArray[2];if(workingDate.getTime()==d2.getTime()){this.renderStack.splice(s,1);}}
break;case YAHOO.widget.Calendar.WEEKDAY:var weekday=rArray[1][0];if(workingDate.getDay()+1==weekday){renderer=rArray[2];}
break;case YAHOO.widget.Calendar.MONTH:month=rArray[1][0];if(workingDate.getMonth()+1==month){renderer=rArray[2];}
break;}
if(renderer){cellRenderers[cellRenderers.length]=renderer;}}}
if(this._indexOfSelectedFieldArray(workingArray)>-1){cellRenderers[cellRenderers.length]=cal.renderCellStyleSelected;}
if((mindate&&(workingDate.getTime()<mindate.getTime()))||(maxdate&&(workingDate.getTime()>maxdate.getTime()))){cellRenderers[cellRenderers.length]=cal.renderOutOfBoundsDate;}else{cellRenderers[cellRenderers.length]=cal.styleCellDefault;cellRenderers[cellRenderers.length]=cal.renderCellDefault;}
for(var x=0;x<cellRenderers.length;++x){if(cellRenderers[x].call(cal,workingDate,cell)==YAHOO.widget.Calendar.STOP_RENDER){break;}}
workingDate.setTime(workingDate.getTime()+YAHOO.widget.DateMath.ONE_DAY_MS);if(i>=0&&i<=6){YAHOO.util.Dom.addClass(cell,this.Style.CSS_CELL_TOP);}
if((i%7)===0){YAHOO.util.Dom.addClass(cell,this.Style.CSS_CELL_LEFT);}
if(((i+1)%7)===0){YAHOO.util.Dom.addClass(cell,this.Style.CSS_CELL_RIGHT);}
var postDays=this.postMonthDays;if(hideBlankWeeks&&postDays>=7){var blankWeeks=Math.floor(postDays/7);for(var p=0;p<blankWeeks;++p){postDays-=7;}}
if(i>=((this.preMonthDays+postDays+this.monthDays)-7)){YAHOO.util.Dom.addClass(cell,this.Style.CSS_CELL_BOTTOM);}
html[html.length]=tempDiv.innerHTML;i++;}
if(showWeekFooter){html=this.renderRowFooter(weekNum,html);}
html[html.length]='</tr>';}}
html[html.length]='</tbody>';return html;};YAHOO.widget.Calendar.prototype.renderFooter=function(html){return html;};YAHOO.widget.Calendar.prototype.render=function(){this.beforeRenderEvent.fire();var defCfg=YAHOO.widget.Calendar._DEFAULT_CONFIG;var workingDate=YAHOO.widget.DateMath.findMonthStart(this.cfg.getProperty(defCfg.PAGEDATE.key));this.resetRenderers();this.cellDates.length=0;YAHOO.util.Event.purgeElement(this.oDomContainer,true);var html=[];html[html.length]='<table cellSpacing="0" class="'+this.Style.CSS_CALENDAR+' y'+workingDate.getFullYear()+'" id="'+this.id+'">';html=this.renderHeader(html);html=this.renderBody(workingDate,html);html=this.renderFooter(html);html[html.length]='</table>';this.oDomContainer.innerHTML=html.join("\n");this.applyListeners();this.cells=this.oDomContainer.getElementsByTagName("td");this.cfg.refireEvent(defCfg.TITLE.key);this.cfg.refireEvent(defCfg.CLOSE.key);this.cfg.refireEvent(defCfg.IFRAME.key);this.renderEvent.fire();};YAHOO.widget.Calendar.prototype.applyListeners=function(){var root=this.oDomContainer;var cal=this.parent||this;var anchor="a";var mousedown="mousedown";var linkLeft=YAHOO.util.Dom.getElementsByClassName(this.Style.CSS_NAV_LEFT,anchor,root);var linkRight=YAHOO.util.Dom.getElementsByClassName(this.Style.CSS_NAV_RIGHT,anchor,root);if(linkLeft&&linkLeft.length>0){this.linkLeft=linkLeft[0];YAHOO.util.Event.addListener(this.linkLeft,mousedown,cal.previousMonth,cal,true);}
if(linkRight&&linkRight.length>0){this.linkRight=linkRight[0];YAHOO.util.Event.addListener(this.linkRight,mousedown,cal.nextMonth,cal,true);}
if(this.domEventMap){var el,elements;for(var cls in this.domEventMap){if(YAHOO.lang.hasOwnProperty(this.domEventMap,cls)){var items=this.domEventMap[cls];if(!(items instanceof Array)){items=[items];}
for(var i=0;i<items.length;i++){var item=items[i];elements=YAHOO.util.Dom.getElementsByClassName(cls,item.tag,this.oDomContainer);for(var c=0;c<elements.length;c++){el=elements[c];YAHOO.util.Event.addListener(el,item.event,item.handler,item.scope,item.correct);}}}}}
YAHOO.util.Event.addListener(this.oDomContainer,"click",this.doSelectCell,this);YAHOO.util.Event.addListener(this.oDomContainer,"mouseover",this.doCellMouseOver,this);YAHOO.util.Event.addListener(this.oDomContainer,"mouseout",this.doCellMouseOut,this);};YAHOO.widget.Calendar.prototype.getDateByCellId=function(id){var date=this.getDateFieldsByCellId(id);return new Date(date[0],date[1]-1,date[2]);};YAHOO.widget.Calendar.prototype.getDateFieldsByCellId=function(id){id=id.toLowerCase().split("_cell")[1];id=parseInt(id,10);return this.cellDates[id];};YAHOO.widget.Calendar.prototype.renderOutOfBoundsDate=function(workingDate,cell){YAHOO.util.Dom.addClass(cell,this.Style.CSS_CELL_OOB);cell.innerHTML=workingDate.getDate();return YAHOO.widget.Calendar.STOP_RENDER;};YAHOO.widget.Calendar.prototype.renderRowHeader=function(weekNum,html){html[html.length]='<th class="calrowhead">'+weekNum+'</th>';return html;};YAHOO.widget.Calendar.prototype.renderRowFooter=function(weekNum,html){html[html.length]='<th class="calrowfoot">'+weekNum+'</th>';return html;};YAHOO.widget.Calendar.prototype.renderCellDefault=function(workingDate,cell){cell.innerHTML='<a href="#" class="'+this.Style.CSS_CELL_SELECTOR+'">'+this.buildDayLabel(workingDate)+"</a>";};YAHOO.widget.Calendar.prototype.styleCellDefault=function(workingDate,cell){YAHOO.util.Dom.addClass(cell,this.Style.CSS_CELL_SELECTABLE);};YAHOO.widget.Calendar.prototype.renderCellStyleHighlight1=function(workingDate,cell){YAHOO.util.Dom.addClass(cell,this.Style.CSS_CELL_HIGHLIGHT1);};YAHOO.widget.Calendar.prototype.renderCellStyleHighlight2=function(workingDate,cell){YAHOO.util.Dom.addClass(cell,this.Style.CSS_CELL_HIGHLIGHT2);};YAHOO.widget.Calendar.prototype.renderCellStyleHighlight3=function(workingDate,cell){YAHOO.util.Dom.addClass(cell,this.Style.CSS_CELL_HIGHLIGHT3);};YAHOO.widget.Calendar.prototype.renderCellStyleHighlight4=function(workingDate,cell){YAHOO.util.Dom.addClass(cell,this.Style.CSS_CELL_HIGHLIGHT4);};YAHOO.widget.Calendar.prototype.renderCellStyleToday=function(workingDate,cell){YAHOO.util.Dom.addClass(cell,this.Style.CSS_CELL_TODAY);};YAHOO.widget.Calendar.prototype.renderCellStyleSelected=function(workingDate,cell){YAHOO.util.Dom.addClass(cell,this.Style.CSS_CELL_SELECTED);};YAHOO.widget.Calendar.prototype.renderCellNotThisMonth=function(workingDate,cell){YAHOO.util.Dom.addClass(cell,this.Style.CSS_CELL_OOM);cell.innerHTML=workingDate.getDate();return YAHOO.widget.Calendar.STOP_RENDER;};YAHOO.widget.Calendar.prototype.renderBodyCellRestricted=function(workingDate,cell){YAHOO.util.Dom.addClass(cell,this.Style.CSS_CELL);YAHOO.util.Dom.addClass(cell,this.Style.CSS_CELL_RESTRICTED);cell.innerHTML=workingDate.getDate();return YAHOO.widget.Calendar.STOP_RENDER;};YAHOO.widget.Calendar.prototype.addMonths=function(count){var cfgPageDate=YAHOO.widget.Calendar._DEFAULT_CONFIG.PAGEDATE.key;this.cfg.setProperty(cfgPageDate,YAHOO.widget.DateMath.add(this.cfg.getProperty(cfgPageDate),YAHOO.widget.DateMath.MONTH,count));this.resetRenderers();this.changePageEvent.fire();};YAHOO.widget.Calendar.prototype.subtractMonths=function(count){var cfgPageDate=YAHOO.widget.Calendar._DEFAULT_CONFIG.PAGEDATE.key;this.cfg.setProperty(cfgPageDate,YAHOO.widget.DateMath.subtract(this.cfg.getProperty(cfgPageDate),YAHOO.widget.DateMath.MONTH,count));this.resetRenderers();this.changePageEvent.fire();};YAHOO.widget.Calendar.prototype.addYears=function(count){var cfgPageDate=YAHOO.widget.Calendar._DEFAULT_CONFIG.PAGEDATE.key;this.cfg.setProperty(cfgPageDate,YAHOO.widget.DateMath.add(this.cfg.getProperty(cfgPageDate),YAHOO.widget.DateMath.YEAR,count));this.resetRenderers();this.changePageEvent.fire();};YAHOO.widget.Calendar.prototype.subtractYears=function(count){var cfgPageDate=YAHOO.widget.Calendar._DEFAULT_CONFIG.PAGEDATE.key;this.cfg.setProperty(cfgPageDate,YAHOO.widget.DateMath.subtract(this.cfg.getProperty(cfgPageDate),YAHOO.widget.DateMath.YEAR,count));this.resetRenderers();this.changePageEvent.fire();};YAHOO.widget.Calendar.prototype.nextMonth=function(){this.addMonths(1);};YAHOO.widget.Calendar.prototype.previousMonth=function(){this.subtractMonths(1);};YAHOO.widget.Calendar.prototype.nextYear=function(){this.addYears(1);};YAHOO.widget.Calendar.prototype.previousYear=function(){this.subtractYears(1);};YAHOO.widget.Calendar.prototype.reset=function(){var defCfg=YAHOO.widget.Calendar._DEFAULT_CONFIG;this.cfg.resetProperty(defCfg.SELECTED.key);this.cfg.resetProperty(defCfg.PAGEDATE.key);this.resetEvent.fire();};YAHOO.widget.Calendar.prototype.clear=function(){var defCfg=YAHOO.widget.Calendar._DEFAULT_CONFIG;this.cfg.setProperty(defCfg.SELECTED.key,[]);this.cfg.setProperty(defCfg.PAGEDATE.key,new Date(this.today.getTime()));this.clearEvent.fire();};YAHOO.widget.Calendar.prototype.select=function(date){this.beforeSelectEvent.fire();var cfgSelected=YAHOO.widget.Calendar._DEFAULT_CONFIG.SELECTED.key;var selected=this.cfg.getProperty(cfgSelected);var aToBeSelected=this._toFieldArray(date);for(var a=0;a<aToBeSelected.length;++a){var toSelect=aToBeSelected[a];if(this._indexOfSelectedFieldArray(toSelect)==-1){selected[selected.length]=toSelect;}}
if(this.parent){this.parent.cfg.setProperty(cfgSelected,selected);}else{this.cfg.setProperty(cfgSelected,selected);}
this.selectEvent.fire(aToBeSelected);return this.getSelectedDates();};YAHOO.widget.Calendar.prototype.selectCell=function(cellIndex){this.beforeSelectEvent.fire();var cfgSelected=YAHOO.widget.Calendar._DEFAULT_CONFIG.SELECTED.key;var selected=this.cfg.getProperty(cfgSelected);var cell=this.cells[cellIndex];var cellDate=this.cellDates[cellIndex];var dCellDate=this._toDate(cellDate);var selectDate=cellDate.concat();if(this._indexOfSelectedFieldArray(selectDate)==-1){selected[selected.length]=selectDate;}
if(this.parent){this.parent.cfg.setProperty(cfgSelected,selected);}else{this.cfg.setProperty(cfgSelected,selected);}
this.renderCellStyleSelected(dCellDate,cell);this.selectEvent.fire([selectDate]);this.doCellMouseOut.call(cell,null,this);return this.getSelectedDates();};YAHOO.widget.Calendar.prototype.deselect=function(date){this.beforeDeselectEvent.fire();var cfgSelected=YAHOO.widget.Calendar._DEFAULT_CONFIG.SELECTED.key;var selected=this.cfg.getProperty(cfgSelected);var aToBeSelected=this._toFieldArray(date);for(var a=0;a<aToBeSelected.length;++a){var toSelect=aToBeSelected[a];var index=this._indexOfSelectedFieldArray(toSelect);if(index!=-1){selected.splice(index,1);}}
if(this.parent){this.parent.cfg.setProperty(cfgSelected,selected);}else{this.cfg.setProperty(cfgSelected,selected);}
this.deselectEvent.fire(aToBeSelected);return this.getSelectedDates();};YAHOO.widget.Calendar.prototype.deselectCell=function(i){this.beforeDeselectEvent.fire();var defCfg=YAHOO.widget.Calendar._DEFAULT_CONFIG;var selected=this.cfg.getProperty(defCfg.SELECTED.key);var cell=this.cells[i];var cellDate=this.cellDates[i];var cellDateIndex=this._indexOfSelectedFieldArray(cellDate);var dCellDate=this._toDate(cellDate);var selectDate=cellDate.concat();if(cellDateIndex>-1){if(this.cfg.getProperty(defCfg.PAGEDATE.key).getMonth()==dCellDate.getMonth()&&this.cfg.getProperty(defCfg.PAGEDATE.key).getFullYear()==dCellDate.getFullYear()){YAHOO.util.Dom.removeClass(cell,this.Style.CSS_CELL_SELECTED);}
selected.splice(cellDateIndex,1);}
if(this.parent){this.parent.cfg.setProperty(defCfg.SELECTED.key,selected);}else{this.cfg.setProperty(defCfg.SELECTED.key,selected);}
this.deselectEvent.fire(selectDate);return this.getSelectedDates();};YAHOO.widget.Calendar.prototype.deselectAll=function(){this.beforeDeselectEvent.fire();var cfgSelected=YAHOO.widget.Calendar._DEFAULT_CONFIG.SELECTED.key;var selected=this.cfg.getProperty(cfgSelected);var count=selected.length;var sel=selected.concat();if(this.parent){this.parent.cfg.setProperty(cfgSelected,[]);}else{this.cfg.setProperty(cfgSelected,[]);}
if(count>0){this.deselectEvent.fire(sel);}
return this.getSelectedDates();};YAHOO.widget.Calendar.prototype._toFieldArray=function(date){var returnDate=[];if(date instanceof Date){returnDate=[[date.getFullYear(),date.getMonth()+1,date.getDate()]];}else if(YAHOO.lang.isString(date)){returnDate=this._parseDates(date);}else if(YAHOO.lang.isArray(date)){for(var i=0;i<date.length;++i){var d=date[i];returnDate[returnDate.length]=[d.getFullYear(),d.getMonth()+1,d.getDate()];}}
return returnDate;};YAHOO.widget.Calendar.prototype._toDate=function(dateFieldArray){if(dateFieldArray instanceof Date){return dateFieldArray;}else{return new Date(dateFieldArray[0],dateFieldArray[1]-1,dateFieldArray[2]);}};YAHOO.widget.Calendar.prototype._fieldArraysAreEqual=function(array1,array2){var match=false;if(array1[0]==array2[0]&&array1[1]==array2[1]&&array1[2]==array2[2]){match=true;}
return match;};YAHOO.widget.Calendar.prototype._indexOfSelectedFieldArray=function(find){var selected=-1;var seldates=this.cfg.getProperty(YAHOO.widget.Calendar._DEFAULT_CONFIG.SELECTED.key);for(var s=0;s<seldates.length;++s){var sArray=seldates[s];if(find[0]==sArray[0]&&find[1]==sArray[1]&&find[2]==sArray[2]){selected=s;break;}}
return selected;};YAHOO.widget.Calendar.prototype.isDateOOM=function(date){return(date.getMonth()!=this.cfg.getProperty(YAHOO.widget.Calendar._DEFAULT_CONFIG.PAGEDATE.key).getMonth());};YAHOO.widget.Calendar.prototype._parsePageDate=function(date){var parsedDate;var defCfg=YAHOO.widget.Calendar._DEFAULT_CONFIG;if(date){if(date instanceof Date){parsedDate=YAHOO.widget.DateMath.findMonthStart(date);}else{var month,year,aMonthYear;aMonthYear=date.split(this.cfg.getProperty(defCfg.DATE_FIELD_DELIMITER.key));month=parseInt(aMonthYear[this.cfg.getProperty(defCfg.MY_MONTH_POSITION.key)-1],10)-1;year=parseInt(aMonthYear[this.cfg.getProperty(defCfg.MY_YEAR_POSITION.key)-1],10);parsedDate=new Date(year,month,1);}}else{parsedDate=new Date(this.today.getFullYear(),this.today.getMonth(),1);}
return parsedDate;};YAHOO.widget.Calendar.prototype.onBeforeSelect=function(){if(this.cfg.getProperty(YAHOO.widget.Calendar._DEFAULT_CONFIG.MULTI_SELECT.key)===false){if(this.parent){this.parent.callChildFunction("clearAllBodyCellStyles",this.Style.CSS_CELL_SELECTED);this.parent.deselectAll();}else{this.clearAllBodyCellStyles(this.Style.CSS_CELL_SELECTED);this.deselectAll();}}};YAHOO.widget.Calendar.prototype.onSelect=function(selected){};YAHOO.widget.Calendar.prototype.onBeforeDeselect=function(){};YAHOO.widget.Calendar.prototype.onDeselect=function(deselected){};YAHOO.widget.Calendar.prototype.onChangePage=function(){this.render();};YAHOO.widget.Calendar.prototype.onRender=function(){};YAHOO.widget.Calendar.prototype.onReset=function(){this.render();};YAHOO.widget.Calendar.prototype.onClear=function(){this.render();};YAHOO.widget.Calendar.prototype.validate=function(){return true;};YAHOO.widget.Calendar.prototype._parseDate=function(sDate){var aDate=sDate.split(this.Locale.DATE_FIELD_DELIMITER);var rArray;if(aDate.length==2){rArray=[aDate[this.Locale.MD_MONTH_POSITION-1],aDate[this.Locale.MD_DAY_POSITION-1]];rArray.type=YAHOO.widget.Calendar.MONTH_DAY;}else{rArray=[aDate[this.Locale.MDY_YEAR_POSITION-1],aDate[this.Locale.MDY_MONTH_POSITION-1],aDate[this.Locale.MDY_DAY_POSITION-1]];rArray.type=YAHOO.widget.Calendar.DATE;}
for(var i=0;i<rArray.length;i++){rArray[i]=parseInt(rArray[i],10);}
return rArray;};YAHOO.widget.Calendar.prototype._parseDates=function(sDates){var aReturn=[];var aDates=sDates.split(this.Locale.DATE_DELIMITER);for(var d=0;d<aDates.length;++d){var sDate=aDates[d];if(sDate.indexOf(this.Locale.DATE_RANGE_DELIMITER)!=-1){var aRange=sDate.split(this.Locale.DATE_RANGE_DELIMITER);var dateStart=this._parseDate(aRange[0]);var dateEnd=this._parseDate(aRange[1]);var fullRange=this._parseRange(dateStart,dateEnd);aReturn=aReturn.concat(fullRange);}else{var aDate=this._parseDate(sDate);aReturn.push(aDate);}}
return aReturn;};YAHOO.widget.Calendar.prototype._parseRange=function(startDate,endDate){var dStart=new Date(startDate[0],startDate[1]-1,startDate[2]);var dCurrent=YAHOO.widget.DateMath.add(new Date(startDate[0],startDate[1]-1,startDate[2]),YAHOO.widget.DateMath.DAY,1);var dEnd=new Date(endDate[0],endDate[1]-1,endDate[2]);var results=[];results.push(startDate);while(dCurrent.getTime()<=dEnd.getTime()){results.push([dCurrent.getFullYear(),dCurrent.getMonth()+1,dCurrent.getDate()]);dCurrent=YAHOO.widget.DateMath.add(dCurrent,YAHOO.widget.DateMath.DAY,1);}
return results;};YAHOO.widget.Calendar.prototype.resetRenderers=function(){this.renderStack=this._renderStack.concat();};YAHOO.widget.Calendar.prototype.clearElement=function(cell){cell.innerHTML="&#160;";cell.className="";};YAHOO.widget.Calendar.prototype.addRenderer=function(sDates,fnRender){var aDates=this._parseDates(sDates);for(var i=0;i<aDates.length;++i){var aDate=aDates[i];if(aDate.length==2){if(aDate[0]instanceof Array){this._addRenderer(YAHOO.widget.Calendar.RANGE,aDate,fnRender);}else{this._addRenderer(YAHOO.widget.Calendar.MONTH_DAY,aDate,fnRender);}}else if(aDate.length==3){this._addRenderer(YAHOO.widget.Calendar.DATE,aDate,fnRender);}}};YAHOO.widget.Calendar.prototype._addRenderer=function(type,aDates,fnRender){var add=[type,aDates,fnRender];this.renderStack.unshift(add);this._renderStack=this.renderStack.concat();};YAHOO.widget.Calendar.prototype.addMonthRenderer=function(month,fnRender){this._addRenderer(YAHOO.widget.Calendar.MONTH,[month],fnRender);};YAHOO.widget.Calendar.prototype.addWeekdayRenderer=function(weekday,fnRender){this._addRenderer(YAHOO.widget.Calendar.WEEKDAY,[weekday],fnRender);};YAHOO.widget.Calendar.prototype.clearAllBodyCellStyles=function(style){for(var c=0;c<this.cells.length;++c){YAHOO.util.Dom.removeClass(this.cells[c],style);}};YAHOO.widget.Calendar.prototype.setMonth=function(month){var cfgPageDate=YAHOO.widget.Calendar._DEFAULT_CONFIG.PAGEDATE.key;var current=this.cfg.getProperty(cfgPageDate);current.setMonth(parseInt(month,10));this.cfg.setProperty(cfgPageDate,current);};YAHOO.widget.Calendar.prototype.setYear=function(year){var cfgPageDate=YAHOO.widget.Calendar._DEFAULT_CONFIG.PAGEDATE.key;var current=this.cfg.getProperty(cfgPageDate);current.setFullYear(parseInt(year,10));this.cfg.setProperty(cfgPageDate,current);};YAHOO.widget.Calendar.prototype.getSelectedDates=function(){var returnDates=[];var selected=this.cfg.getProperty(YAHOO.widget.Calendar._DEFAULT_CONFIG.SELECTED.key);for(var d=0;d<selected.length;++d){var dateArray=selected[d];var date=new Date(dateArray[0],dateArray[1]-1,dateArray[2]);returnDates.push(date);}
returnDates.sort(function(a,b){return a-b;});return returnDates;};YAHOO.widget.Calendar.prototype.hide=function(){this.oDomContainer.style.display="none";};YAHOO.widget.Calendar.prototype.show=function(){this.oDomContainer.style.display="block";};YAHOO.widget.Calendar.prototype.browser=function(){var ua=navigator.userAgent.toLowerCase();if(ua.indexOf('opera')!=-1){return'opera';}else if(ua.indexOf('msie 7')!=-1){return'ie7';}else if(ua.indexOf('msie')!=-1){return'ie';}else if(ua.indexOf('safari')!=-1){return'safari';}else if(ua.indexOf('gecko')!=-1){return'gecko';}else{return false;}}();YAHOO.widget.Calendar.prototype.toString=function(){return"Calendar "+this.id;};YAHOO.widget.Calendar_Core=YAHOO.widget.Calendar;YAHOO.widget.Cal_Core=YAHOO.widget.Calendar;YAHOO.widget.CalendarGroup=function(id,containerId,config){if(arguments.length>0){this.init(id,containerId,config);}};YAHOO.widget.CalendarGroup.prototype.init=function(id,containerId,config){this.initEvents();this.initStyles();this.pages=[];this.id=id;this.containerId=containerId;this.oDomContainer=document.getElementById(containerId);YAHOO.util.Dom.addClass(this.oDomContainer,YAHOO.widget.CalendarGroup.CSS_CONTAINER);YAHOO.util.Dom.addClass(this.oDomContainer,YAHOO.widget.CalendarGroup.CSS_MULTI_UP);this.cfg=new YAHOO.util.Config(this);this.Options={};this.Locale={};this.setupConfig();if(config){this.cfg.applyConfig(config,true);}
this.cfg.fireQueue();if(this.browser=="opera"){var fixWidth=function(){var startW=this.oDomContainer.offsetWidth;var w=0;for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];w+=cal.oDomContainer.offsetWidth;}
if(w>0){this.oDomContainer.style.width=w+"px";}};this.renderEvent.subscribe(fixWidth,this,true);}};YAHOO.widget.CalendarGroup.prototype.setupConfig=function(){var defCfg=YAHOO.widget.CalendarGroup._DEFAULT_CONFIG;this.cfg.addProperty(defCfg.PAGES.key,{value:defCfg.PAGES.value,validator:this.cfg.checkNumber,handler:this.configPages});this.cfg.addProperty(defCfg.PAGEDATE.key,{value:new Date(),handler:this.configPageDate});this.cfg.addProperty(defCfg.SELECTED.key,{value:[],handler:this.configSelected});this.cfg.addProperty(defCfg.TITLE.key,{value:defCfg.TITLE.value,handler:this.configTitle});this.cfg.addProperty(defCfg.CLOSE.key,{value:defCfg.CLOSE.value,handler:this.configClose});this.cfg.addProperty(defCfg.IFRAME.key,{value:defCfg.IFRAME.value,handler:this.configIframe,validator:this.cfg.checkBoolean});this.cfg.addProperty(defCfg.MINDATE.key,{value:defCfg.MINDATE.value,handler:this.delegateConfig});this.cfg.addProperty(defCfg.MAXDATE.key,{value:defCfg.MAXDATE.value,handler:this.delegateConfig});this.cfg.addProperty(defCfg.MULTI_SELECT.key,{value:defCfg.MULTI_SELECT.value,handler:this.delegateConfig,validator:this.cfg.checkBoolean});this.cfg.addProperty(defCfg.START_WEEKDAY.key,{value:defCfg.START_WEEKDAY.value,handler:this.delegateConfig,validator:this.cfg.checkNumber});this.cfg.addProperty(defCfg.SHOW_WEEKDAYS.key,{value:defCfg.SHOW_WEEKDAYS.value,handler:this.delegateConfig,validator:this.cfg.checkBoolean});this.cfg.addProperty(defCfg.SHOW_WEEK_HEADER.key,{value:defCfg.SHOW_WEEK_HEADER.value,handler:this.delegateConfig,validator:this.cfg.checkBoolean});this.cfg.addProperty(defCfg.SHOW_WEEK_FOOTER.key,{value:defCfg.SHOW_WEEK_FOOTER.value,handler:this.delegateConfig,validator:this.cfg.checkBoolean});this.cfg.addProperty(defCfg.HIDE_BLANK_WEEKS.key,{value:defCfg.HIDE_BLANK_WEEKS.value,handler:this.delegateConfig,validator:this.cfg.checkBoolean});this.cfg.addProperty(defCfg.NAV_ARROW_LEFT.key,{value:defCfg.NAV_ARROW_LEFT.value,handler:this.delegateConfig});this.cfg.addProperty(defCfg.NAV_ARROW_RIGHT.key,{value:defCfg.NAV_ARROW_RIGHT.value,handler:this.delegateConfig});this.cfg.addProperty(defCfg.MONTHS_SHORT.key,{value:defCfg.MONTHS_SHORT.value,handler:this.delegateConfig});this.cfg.addProperty(defCfg.MONTHS_LONG.key,{value:defCfg.MONTHS_LONG.value,handler:this.delegateConfig});this.cfg.addProperty(defCfg.WEEKDAYS_1CHAR.key,{value:defCfg.WEEKDAYS_1CHAR.value,handler:this.delegateConfig});this.cfg.addProperty(defCfg.WEEKDAYS_SHORT.key,{value:defCfg.WEEKDAYS_SHORT.value,handler:this.delegateConfig});this.cfg.addProperty(defCfg.WEEKDAYS_MEDIUM.key,{value:defCfg.WEEKDAYS_MEDIUM.value,handler:this.delegateConfig});this.cfg.addProperty(defCfg.WEEKDAYS_LONG.key,{value:defCfg.WEEKDAYS_LONG.value,handler:this.delegateConfig});this.cfg.addProperty(defCfg.LOCALE_MONTHS.key,{value:defCfg.LOCALE_MONTHS.value,handler:this.delegateConfig});this.cfg.addProperty(defCfg.LOCALE_WEEKDAYS.key,{value:defCfg.LOCALE_WEEKDAYS.value,handler:this.delegateConfig});this.cfg.addProperty(defCfg.DATE_DELIMITER.key,{value:defCfg.DATE_DELIMITER.value,handler:this.delegateConfig});this.cfg.addProperty(defCfg.DATE_FIELD_DELIMITER.key,{value:defCfg.DATE_FIELD_DELIMITER.value,handler:this.delegateConfig});this.cfg.addProperty(defCfg.DATE_RANGE_DELIMITER.key,{value:defCfg.DATE_RANGE_DELIMITER.value,handler:this.delegateConfig});this.cfg.addProperty(defCfg.MY_MONTH_POSITION.key,{value:defCfg.MY_MONTH_POSITION.value,handler:this.delegateConfig,validator:this.cfg.checkNumber});this.cfg.addProperty(defCfg.MY_YEAR_POSITION.key,{value:defCfg.MY_YEAR_POSITION.value,handler:this.delegateConfig,validator:this.cfg.checkNumber});this.cfg.addProperty(defCfg.MD_MONTH_POSITION.key,{value:defCfg.MD_MONTH_POSITION.value,handler:this.delegateConfig,validator:this.cfg.checkNumber});this.cfg.addProperty(defCfg.MD_DAY_POSITION.key,{value:defCfg.MD_DAY_POSITION.value,handler:this.delegateConfig,validator:this.cfg.checkNumber});this.cfg.addProperty(defCfg.MDY_MONTH_POSITION.key,{value:defCfg.MDY_MONTH_POSITION.value,handler:this.delegateConfig,validator:this.cfg.checkNumber});this.cfg.addProperty(defCfg.MDY_DAY_POSITION.key,{value:defCfg.MDY_DAY_POSITION.value,handler:this.delegateConfig,validator:this.cfg.checkNumber});this.cfg.addProperty(defCfg.MDY_YEAR_POSITION.key,{value:defCfg.MDY_YEAR_POSITION.value,handler:this.delegateConfig,validator:this.cfg.checkNumber});};YAHOO.widget.CalendarGroup.prototype.initEvents=function(){var me=this;var strEvent="Event";var sub=function(fn,obj,bOverride){for(var p=0;p<me.pages.length;++p){var cal=me.pages[p];cal[this.type+strEvent].subscribe(fn,obj,bOverride);}};var unsub=function(fn,obj){for(var p=0;p<me.pages.length;++p){var cal=me.pages[p];cal[this.type+strEvent].unsubscribe(fn,obj);}};var defEvents=YAHOO.widget.Calendar._EVENT_TYPES;this.beforeSelectEvent=new YAHOO.util.CustomEvent(defEvents.BEFORE_SELECT);this.beforeSelectEvent.subscribe=sub;this.beforeSelectEvent.unsubscribe=unsub;this.selectEvent=new YAHOO.util.CustomEvent(defEvents.SELECT);this.selectEvent.subscribe=sub;this.selectEvent.unsubscribe=unsub;this.beforeDeselectEvent=new YAHOO.util.CustomEvent(defEvents.BEFORE_DESELECT);this.beforeDeselectEvent.subscribe=sub;this.beforeDeselectEvent.unsubscribe=unsub;this.deselectEvent=new YAHOO.util.CustomEvent(defEvents.DESELECT);this.deselectEvent.subscribe=sub;this.deselectEvent.unsubscribe=unsub;this.changePageEvent=new YAHOO.util.CustomEvent(defEvents.CHANGE_PAGE);this.changePageEvent.subscribe=sub;this.changePageEvent.unsubscribe=unsub;this.beforeRenderEvent=new YAHOO.util.CustomEvent(defEvents.BEFORE_RENDER);this.beforeRenderEvent.subscribe=sub;this.beforeRenderEvent.unsubscribe=unsub;this.renderEvent=new YAHOO.util.CustomEvent(defEvents.RENDER);this.renderEvent.subscribe=sub;this.renderEvent.unsubscribe=unsub;this.resetEvent=new YAHOO.util.CustomEvent(defEvents.RESET);this.resetEvent.subscribe=sub;this.resetEvent.unsubscribe=unsub;this.clearEvent=new YAHOO.util.CustomEvent(defEvents.CLEAR);this.clearEvent.subscribe=sub;this.clearEvent.unsubscribe=unsub;};YAHOO.widget.CalendarGroup.prototype.configPages=function(type,args,obj){var pageCount=args[0];var cfgPageDate=YAHOO.widget.CalendarGroup._DEFAULT_CONFIG.PAGEDATE.key;var sep="_";var groupCalClass="groupcal";var firstClass="first";var lastClass="last";for(var p=0;p<pageCount;++p){var calId=this.id+sep+p;var calContainerId=this.containerId+sep+p;var childConfig=this.cfg.getConfig();childConfig.close=false;childConfig.title=false;var cal=this.constructChild(calId,calContainerId,childConfig);var caldate=cal.cfg.getProperty(cfgPageDate);this._setMonthOnDate(caldate,caldate.getMonth()+p);cal.cfg.setProperty(cfgPageDate,caldate);YAHOO.util.Dom.removeClass(cal.oDomContainer,this.Style.CSS_SINGLE);YAHOO.util.Dom.addClass(cal.oDomContainer,groupCalClass);if(p===0){YAHOO.util.Dom.addClass(cal.oDomContainer,firstClass);}
if(p==(pageCount-1)){YAHOO.util.Dom.addClass(cal.oDomContainer,lastClass);}
cal.parent=this;cal.index=p;this.pages[this.pages.length]=cal;}};YAHOO.widget.CalendarGroup.prototype.configPageDate=function(type,args,obj){var val=args[0];var firstPageDate;var cfgPageDate=YAHOO.widget.CalendarGroup._DEFAULT_CONFIG.PAGEDATE.key;for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];if(p===0){firstPageDate=cal._parsePageDate(val);cal.cfg.setProperty(cfgPageDate,firstPageDate);}else{var pageDate=new Date(firstPageDate);this._setMonthOnDate(pageDate,pageDate.getMonth()+p);cal.cfg.setProperty(cfgPageDate,pageDate);}}};YAHOO.widget.CalendarGroup.prototype.configSelected=function(type,args,obj){var cfgSelected=YAHOO.widget.CalendarGroup._DEFAULT_CONFIG.SELECTED.key;this.delegateConfig(type,args,obj);var selected=(this.pages.length>0)?this.pages[0].cfg.getProperty(cfgSelected):[];this.cfg.setProperty(cfgSelected,selected,true);};YAHOO.widget.CalendarGroup.prototype.delegateConfig=function(type,args,obj){var val=args[0];var cal;for(var p=0;p<this.pages.length;p++){cal=this.pages[p];cal.cfg.setProperty(type,val);}};YAHOO.widget.CalendarGroup.prototype.setChildFunction=function(fnName,fn){var pageCount=this.cfg.getProperty(YAHOO.widget.CalendarGroup._DEFAULT_CONFIG.PAGES.key);for(var p=0;p<pageCount;++p){this.pages[p][fnName]=fn;}};YAHOO.widget.CalendarGroup.prototype.callChildFunction=function(fnName,args){var pageCount=this.cfg.getProperty(YAHOO.widget.CalendarGroup._DEFAULT_CONFIG.PAGES.key);for(var p=0;p<pageCount;++p){var page=this.pages[p];if(page[fnName]){var fn=page[fnName];fn.call(page,args);}}};YAHOO.widget.CalendarGroup.prototype.constructChild=function(id,containerId,config){var container=document.getElementById(containerId);if(!container){container=document.createElement("div");container.id=containerId;this.oDomContainer.appendChild(container);}
return new YAHOO.widget.Calendar(id,containerId,config);};YAHOO.widget.CalendarGroup.prototype.setMonth=function(month){month=parseInt(month,10);var currYear;var cfgPageDate=YAHOO.widget.CalendarGroup._DEFAULT_CONFIG.PAGEDATE.key;for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];var pageDate=cal.cfg.getProperty(cfgPageDate);if(p===0){currYear=pageDate.getFullYear();}else{pageDate.setYear(currYear);}
this._setMonthOnDate(pageDate,month+p);cal.cfg.setProperty(cfgPageDate,pageDate);}};YAHOO.widget.CalendarGroup.prototype.setYear=function(year){var cfgPageDate=YAHOO.widget.CalendarGroup._DEFAULT_CONFIG.PAGEDATE.key;year=parseInt(year,10);for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];var pageDate=cal.cfg.getProperty(cfgPageDate);if((pageDate.getMonth()+1)==1&&p>0){year+=1;}
cal.setYear(year);}};YAHOO.widget.CalendarGroup.prototype.render=function(){this.renderHeader();for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];cal.render();}
this.renderFooter();};YAHOO.widget.CalendarGroup.prototype.select=function(date){for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];cal.select(date);}
return this.getSelectedDates();};YAHOO.widget.CalendarGroup.prototype.selectCell=function(cellIndex){for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];cal.selectCell(cellIndex);}
return this.getSelectedDates();};YAHOO.widget.CalendarGroup.prototype.deselect=function(date){for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];cal.deselect(date);}
return this.getSelectedDates();};YAHOO.widget.CalendarGroup.prototype.deselectAll=function(){for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];cal.deselectAll();}
return this.getSelectedDates();};YAHOO.widget.CalendarGroup.prototype.deselectCell=function(cellIndex){for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];cal.deselectCell(cellIndex);}
return this.getSelectedDates();};YAHOO.widget.CalendarGroup.prototype.reset=function(){for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];cal.reset();}};YAHOO.widget.CalendarGroup.prototype.clear=function(){for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];cal.clear();}};YAHOO.widget.CalendarGroup.prototype.nextMonth=function(){for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];cal.nextMonth();}};YAHOO.widget.CalendarGroup.prototype.previousMonth=function(){for(var p=this.pages.length-1;p>=0;--p){var cal=this.pages[p];cal.previousMonth();}};YAHOO.widget.CalendarGroup.prototype.nextYear=function(){for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];cal.nextYear();}};YAHOO.widget.CalendarGroup.prototype.previousYear=function(){for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];cal.previousYear();}};YAHOO.widget.CalendarGroup.prototype.getSelectedDates=function(){var returnDates=[];var selected=this.cfg.getProperty(YAHOO.widget.CalendarGroup._DEFAULT_CONFIG.SELECTED.key);for(var d=0;d<selected.length;++d){var dateArray=selected[d];var date=new Date(dateArray[0],dateArray[1]-1,dateArray[2]);returnDates.push(date);}
returnDates.sort(function(a,b){return a-b;});return returnDates;};YAHOO.widget.CalendarGroup.prototype.addRenderer=function(sDates,fnRender){for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];cal.addRenderer(sDates,fnRender);}};YAHOO.widget.CalendarGroup.prototype.addMonthRenderer=function(month,fnRender){for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];cal.addMonthRenderer(month,fnRender);}};YAHOO.widget.CalendarGroup.prototype.addWeekdayRenderer=function(weekday,fnRender){for(var p=0;p<this.pages.length;++p){var cal=this.pages[p];cal.addWeekdayRenderer(weekday,fnRender);}};YAHOO.widget.CalendarGroup.prototype.renderHeader=function(){};YAHOO.widget.CalendarGroup.prototype.renderFooter=function(){};YAHOO.widget.CalendarGroup.prototype.addMonths=function(count){this.callChildFunction("addMonths",count);};YAHOO.widget.CalendarGroup.prototype.subtractMonths=function(count){this.callChildFunction("subtractMonths",count);};YAHOO.widget.CalendarGroup.prototype.addYears=function(count){this.callChildFunction("addYears",count);};YAHOO.widget.CalendarGroup.prototype.subtractYears=function(count){this.callChildFunction("subtractYears",count);};YAHOO.widget.CalendarGroup.prototype._setMonthOnDate=function(date,iMonth){if(this.browser=="safari"&&(iMonth<0||iMonth>11)){var DM=YAHOO.widget.DateMath;var newDate=DM.add(date,DM.MONTH,iMonth-date.getMonth());date.setTime(newDate.getTime());}else{date.setMonth(iMonth);}};YAHOO.widget.CalendarGroup.CSS_CONTAINER="yui-calcontainer";YAHOO.widget.CalendarGroup.CSS_MULTI_UP="multi";YAHOO.widget.CalendarGroup.CSS_2UPTITLE="title";YAHOO.widget.CalendarGroup.CSS_2UPCLOSE="close-icon";YAHOO.augment(YAHOO.widget.CalendarGroup,YAHOO.widget.Calendar,"buildDayLabel","buildMonthLabel","renderOutOfBoundsDate","renderRowHeader","renderRowFooter","renderCellDefault","styleCellDefault","renderCellStyleHighlight1","renderCellStyleHighlight2","renderCellStyleHighlight3","renderCellStyleHighlight4","renderCellStyleToday","renderCellStyleSelected","renderCellNotThisMonth","renderBodyCellRestricted","initStyles","configTitle","configClose","configIframe","hide","show","browser");YAHOO.widget.CalendarGroup._DEFAULT_CONFIG=YAHOO.widget.Calendar._DEFAULT_CONFIG;YAHOO.widget.CalendarGroup._DEFAULT_CONFIG.PAGES={key:"pages",value:2};YAHOO.widget.CalendarGroup.prototype.toString=function(){return"CalendarGroup "+this.id;};YAHOO.widget.CalGrp=YAHOO.widget.CalendarGroup;YAHOO.widget.Calendar2up=function(id,containerId,config){this.init(id,containerId,config);};YAHOO.extend(YAHOO.widget.Calendar2up,YAHOO.widget.CalendarGroup);YAHOO.widget.Cal2up=YAHOO.widget.Calendar2up;YAHOO.register("calendar",YAHOO.widget.Calendar,{version:"2.2.2",build:"204"});