/*  Prototype JavaScript framework, version 1.6.0.1
 *  (c) 2005-2007 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: '1.6.0.1',

  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() : object.toString();
    } 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 && object.constructor === Array;
  },

  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);
    }.bind(this));
  }
});
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) {
  function $A(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 && 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;
    }
  },

  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);
    } 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);
    } 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 (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).getElementsBySelector("*");
  },

  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];
  },

  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) 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 == 'relative' || p == 'absolute') 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) {
  $w('positionedOffset getOffsetParent 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);
        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.clone(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 (document.createElement('div').outerHTML) {
  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 Slocums 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 = false;',
    attr: function(m) {
      m[3] = (m[5] || m[6]);
      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); 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 Selector.operators[matches[2]](nodeValue, matches[3]);
    }
  },

  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) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._counted = true;
      return nodes;
    },

    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._counted = 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._counted = true;
      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._counted)) node.nodeIndex = j++;
        }
      } else {
        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
          if (node.nodeType == 1 && (!ofType || node._counted)) 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])._counted) {
          n._counted = true;
          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) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      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) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      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._counted) {
          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._counted) 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() + '-'); }
  },

  matchElements: function(elements, expression) {
    var matches = new Selector(expression).findElements(), h = Selector.handlers;
    h.mark(matches);
    for (var i = 0, results = [], element; element = elements[i]; i++)
      if (element._counted) 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) {
    var exprs = expressions.join(',');
    expressions = [];
    exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
      expressions.push(m[1].strip());
    });
    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) {
  // IE returns comment nodes on getElementsByTagName("*").
  // Filter them out.
  Selector.handlers.concat = function(a, b) {
    for (var i = 0, node; node = b[i]; i++)
      if (node.tagName !== "!") a.push(node);
    return a;
  };
}

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}
var Form = {
  reset: function(form) {
    $(form).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._eventID) return element._eventID;
    arguments.callee.id = arguments.callee.id || 1;
    return element._eventID = ++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();


// script.aculo.us scriptaculous.js v1.8.1, Thu Jan 03 22:07:12 -0500 2008

// Copyright (c) 2005-2007 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// 
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// For details, see the script.aculo.us web site: http://script.aculo.us/

var Scriptaculous = {
  Version: '1.8.1',
  require: function(libraryName) {
    // inserting via DOM fails in Safari 2.0, so brute force approach
    document.write('<script type="text/javascript" src="'+libraryName+'"><\/script>');
  },
  REQUIRED_PROTOTYPE: '1.6.0',
  load: function() {
    function convertVersionString(versionString){
      var r = versionString.split('.');
      return parseInt(r[0])*100000 + parseInt(r[1])*1000 + parseInt(r[2]);
    }
 
    if((typeof Prototype=='undefined') || 
       (typeof Element == 'undefined') || 
       (typeof Element.Methods=='undefined') ||
       (convertVersionString(Prototype.Version) < 
        convertVersionString(Scriptaculous.REQUIRED_PROTOTYPE)))
       throw("script.aculo.us requires the Prototype JavaScript framework >= " +
        Scriptaculous.REQUIRED_PROTOTYPE);
    
    $A(document.getElementsByTagName("script")).findAll( function(s) {
      return (s.src && s.src.match(/superscript\.js(\?.*)?$/))
    }).each( function(s) {
      var path = s.src.replace(/superscript\.js(\?.*)?$/,'');
      var includes = s.src.match(/\?.*load=([a-z,]*)/);
      (includes ? includes[1] : 'builder,effects,dragdrop,controls,slider,sound').split(',').each(
       function(include) { Scriptaculous.require(path+include+'.js') });
    });
  }
}

Scriptaculous.load();




/*
	Multifaceted Lightbox
	by Greg Neustaetter - http://www.gregphoto.net
	
	INSPIRED BY (AND CODE TAKEN FROM)
	==================================
	The Lightbox Effect without Lightbox
	PJ Hyett
	http://pjhyett.com/articles/2006/02/09/the-lightbox-effect-without-lightbox
	

	Lightbox JS: Fullsize Image Overlays 
	by Lokesh Dhakar - http://www.huddletogether.com

	For more information on this script, visit:
	http://huddletogether.com/projects/lightbox/

	Licensend under:
	Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
	(basically, do anything you want, just leave my name and link)
	
*/

var MfLightbox = {
	lightboxType : null,
	lightboxCurrentContentID : null,
	
	showBoxString : function(content, boxWidth, boxHeight){
		this.setLightboxDimensions(boxWidth, boxHeight);
		this.lightboxType = 'string';
		if($('boxContents')) {
			var contents = $('boxContents');
			contents.innerHTML=content;
		}
		this.showBox();
		return false;
	},


	showBoxImage : function(href) {
		this.lightboxType = 'image';
		var contents = $('boxContents');
		var objImage = document.createElement("img");
		objImage.setAttribute('id','lightboxImage');
		contents.appendChild(objImage);
		imgPreload = new Image();
		imgPreload.onload=function(){
			objImage.src = href;
			MfLightbox.showBox();
		}
		imgPreload.src = href;
		return false;
	},

	showBoxByID : function(id, boxWidth, boxHeight) {
		this.lightboxType = 'id';
		this.lightboxCurrentContentID = id;
		this.setLightboxDimensions(boxWidth, boxHeight);
		var element = $(id);
		if($('boxContents')) {
			var contents = $('boxContents');
			contents.appendChild(element);
		}
		Element.show(id);
		this.showBox();
		return false;
	},

	showBoxByAJAX : function(href, boxWidth, boxHeight) {
		this.lightboxType = 'ajax';
		this.setLightboxDimensions(boxWidth, boxHeight);
		var contents = $('boxContents');
		var myAjax = new Ajax.Updater(contents, href, {method: 'get', evalScripts: true });
		this.showBox();
		return false;
	},
	
	setLightboxDimensions : function(width, height) {
		var windowSize = this.getPageDimensions();
		if(width) {
			if(width < windowSize[0]) {
				$('box').style.width = width + 'px';
			} else {
				$('box').style.width = (windowSize[0] - 50) + 'px';
			}
		}
		if(height) {
			if(height < windowSize[1]) {
				$('box').style.height = height + 'px';
			} else {
				$('box').style.height = (windowSize[1] - 50) + 'px';
			}
		}
	},


	showBox : function() {
		// disable flash
		$$('embed, object').invoke('hide');

		Element.show('mf_overlay');
		this.center('box');
		return false;
	},
	
	
	hideBox : function(){
		// reenable flash
		$$('embed, object').invoke('show');

		if($('boxContents')) {
			var contents = $('boxContents');
			if(this.lightboxType == 'id') {
				var body = document.getElementsByTagName("body").item(0);
				Element.hide(this.lightboxCurrentContentID);
				body.appendChild($(this.lightboxCurrentContentID));
			}
			contents.innerHTML = '';
		}

		$('box').style.width = null;
		$('box').style.height = null;
		Element.hide('box');
		Element.hide('mf_overlay');
		return false;
	},
	
	// taken from lightbox js, modified argument return order
	getPageDimensions : function(){
		var xScroll, yScroll;
	
		if (window.innerHeight && window.scrollMaxY) {	
			xScroll = document.body.scrollWidth;
			yScroll = window.innerHeight + window.scrollMaxY;
		} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
			xScroll = document.body.scrollWidth;
			yScroll = document.body.scrollHeight;
		} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
			xScroll = document.body.offsetWidth;
			yScroll = document.body.offsetHeight;
		}
		
		var windowWidth, windowHeight;
		if (self.innerHeight) {	// all except Explorer
			windowWidth = self.innerWidth;
			windowHeight = self.innerHeight;
		} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
			windowWidth = document.documentElement.clientWidth;
			windowHeight = document.documentElement.clientHeight;
		} else if (document.body) { // other Explorers
			windowWidth = document.body.clientWidth;
			windowHeight = document.body.clientHeight;
		}	
		
		// for small pages with total height less then height of the viewport
		if(yScroll < windowHeight){
			pageHeight = windowHeight;
		} else { 
			pageHeight = yScroll;
		}
	
		// for small pages with total width less then width of the viewport
		if(xScroll < windowWidth){	
			pageWidth = windowWidth;
		} else {
			pageWidth = xScroll;
		}
		arrayPageSize = new Array(windowWidth,windowHeight,pageWidth,pageHeight) 
		return arrayPageSize;
	},
	
	center : function(element){
		try{
			element = document.getElementById(element);
		}catch(e){
			return;
		}
		var windowSize = this.getPageDimensions();
		var window_width  = windowSize[0];
		var window_height = windowSize[1];
		
		$('mf_overlay').style.height = windowSize[3] + 'px';
		
		element.style.position = 'absolute';
		element.style.zIndex   = 99;
	
		var scrollY = 0;
	
		if ( document.documentElement && document.documentElement.scrollTop ){
			scrollY = document.documentElement.scrollTop;
		}else if ( document.body && document.body.scrollTop ){
			scrollY = document.body.scrollTop;
		}else if ( window.pageYOffset ){
			scrollY = window.pageYOffset;
		}else if ( window.scrollY ){
			scrollY = window.scrollY;
		}
	
		var elementDimensions = Element.getDimensions(element);
		var setX = ( window_width  - elementDimensions.width  ) / 2;
		var setY = ( window_height - elementDimensions.height ) / 2 + scrollY;
	
		setX = ( setX < 0 ) ? 0 : setX;
		setY = ( setY < 0 ) ? 0 : setY;
	
		element.style.left = setX + "px";
		element.style.top  = setY + "px";
		Element.show(element);
	},
	
	init : function() {				  
		var lightboxtext = '<div id="mf_overlay" style="display:none" onClick="MfLightbox.hideBox()"></div>';
		lightboxtext += '<div id="box" style="display:none">';
		lightboxtext += '<img id="close" src="images/lightbox/mf_close.gif" onClick="MfLightbox.hideBox()" alt="Close" title="Close this window" />';
		lightboxtext += '<div id="boxContents"></div>';
		lightboxtext += '</div>';
		var body = document.getElementsByTagName("body").item(0);
		new Insertion.Bottom(body, lightboxtext);
	}
}





/**
 * DatePicker widget using Prototype and Scriptaculous.
 * (c) 2007-2008 Mathieu Jondet <mathieu@eulerian.com>
 * Eulerian Technologies
 * (c) 2009 Titi Ala'ilima <tigre@pobox.com>
 *
 * DatePicker is freely distributable under the same terms as Prototype.
 *
 * v1.0.0
 */

/***
 * Some general things to keep in mind:
 * - months, when passed around by themselves, typically go from 0 to 11
 */

/**
 * DatePickerUtils object.  Not a class to be instantiated, just an object
 * that holds commonly used values and methods
 */

var DatePickerUtils = {
  oneDayInMs		: 24 * 3600 * 1000,
  _daysInMonth	: [31,28,31,30,31,30,31,31,30,31,30,31],
  /**
   * getMonthDays : given the year and month find the number of days.
   */
  getMonthDays	: function ( year, month ) {
    if (((0 == (year%4)) && 
	 ( (0 != (year%100)) || (0 == (year%400)))) && (month == 1))
      return 29;
    return this._daysInMonth[month];
  },
  /**
   * convertDate : turn an ANSI date or (real) number of days relative to now
   * and returns a Date object.
   */
  parseDate : function(dateString) {
    var dateObj = DatePickerUtils.ansiDateToObject(dateString);
    if (!dateObj) {
      var relDate = parseFloat(dateString);
      dateObj = new Date();
      dateObj.setTime(dateObj.getTime() + dateString * this.oneDayInMs);
    }
    return dateObj;
  },
  /**
   * dateObjectToAnsi - note: year is padded to 4 digits, just in case
   */
  dateObjectToAnsi: function(dateObj) {
    if (!dateObj) return null;
    return dateObj.getFullYear().toPaddedString(4) + '-' +
        (dateObj.getMonth() + 1).toPaddedString(2) + '-' +
        dateObj.getDate().toPaddedString(2);
  },
  /**
   * ansiDateToObject - returns null of it fails to parse
   */
  ansiDateToObject: function(ansiDate) {
    var dateObj = null;
    var parsedDate = String(ansiDate).match(/^(\d+)-0*(\d+)-0*(\d+)$/);
    if (parsedDate)
      dateObj = new Date(parsedDate[1],parsedDate[2] - 1,parsedDate[3]);
    return dateObj;
  },
  /**
   * yearMonthToAnsiStub takes year and (0-based) month and returns the
   * ANSI date minus the two digit date-of-month, e.g. "2009-03-"
   */
  yearMonthToAnsiStub: function(year, month) {
    return year.toPaddedString(4)+'-'+(month+1).toPaddedString(2)+'-';
  },
  /**
   * Standard default filter generators which return DatePickerFilter objects
   */
  /**
   * noDatesBefore takes an ISO date string or a real number indicating how
   * many days relative to the current time to set the cutoff of valid dates.
   * If any time during a given date is valid, the date is allowed.
   */
  noDatesBefore: function (firstDate) {
    return new DatePickerFilter(
      function(year, month) {
	/* Perform our date comparisons with ANSI/ISO date strings */
        var testDate = DatePickerUtils.dateObjectToAnsi(
			     DatePickerUtils.parseDate(firstDate));
	var dateFilter = new Array();
	var monthDays = DatePickerUtils.getMonthDays(year, month);
	var calDate = DatePickerUtils.yearMonthToAnsiStub(year,month);
	for (var i = 1; i <= monthDays; i++)
	  dateFilter[i] = (testDate > (calDate+i.toPaddedString(2)) );

	return dateFilter;
      },
      function(year, month) {
	/* Perform our date comparisons with ANSI/ISO date strings */
        var testDate = 
	  DatePickerUtils.dateObjectToAnsi(DatePickerUtils.parseDate(firstDate));
	var calDate = DatePickerUtils.yearMonthToAnsiStub(year,month) +
	  DatePickerUtils.getMonthDays(year,month);
	return (testDate <= calDate);
      }
      );  
  },
  /**
   * noDatesAfter takes an ISO date string or a real number indicating how
   * many days relative to the current time to set the cutoff of valid dates.
   * If any time during a given date is valid, the date is allowed.
   */
  noDatesAfter: function (firstDate) {
    return new DatePickerFilter(
      function(year, month) {
	/* Perform our date comparisons with ANSI/ISO date strings */
        var testDate = DatePickerUtils.dateObjectToAnsi(
			     DatePickerUtils.parseDate(firstDate));
	var dateFilter = new Array();
	var monthDays = DatePickerUtils.getMonthDays(year, month);
	var calDate = DatePickerUtils.yearMonthToAnsiStub(year,month);
	for (var i = 1; i <= monthDays; i++)
	  dateFilter[i] = (testDate < (calDate+i.toPaddedString(2)) );

	return dateFilter;
      },
      function(year, month) {
	/* Perform our date comparisons with ANSI/ISO date strings */
        var testDate = 
	  DatePickerUtils.dateObjectToAnsi(DatePickerUtils.parseDate(firstDate));
	var calDate = DatePickerUtils.yearMonthToAnsiStub(year,month) + '01';
	return (testDate >= calDate);
      }
      );  
  },
  /**
   * noWeekends returns a filter that excludes Saturdays and Sundays.  No
   * time or demand at the moment for something that deals with locale-specific
   * weekend configurations (e.g. Fri, Sat in the Middle East).
   */
  noWeekends: function () {
    return new DatePickerFilter(
      function(year, month) {
	var dateFilter = new Array();
	var monthDays = DatePickerUtils.getMonthDays(year, month);
	var calDate = new Date(year,month,1);
	for (var i = 1; i <= monthDays; calDate.setFullYear(year,month,++i))
	  dateFilter[i] = ((calDate.getDay() % 6) == 0); // 0 = Sun, 6 = Sat
	return dateFilter;
      },
      null
      );  
  }
}

/**
 * DatePickerFormatter class for matching and stringifying dates.
 *
 * By Arturas Slajus <x11@arturaz.net>.
 */
var DatePickerFormatter = Class.create();
DatePickerFormatter.prototype = {
  /**
   * Create a DatePickerFormatter.
   *
   * format: specify a format by passing 3 value array consisting of
   *   "yyyy", "mm", "dd". Default: ["yyyy", "mm", "dd"].
   *
   * separator: string for splitting the values. Default: "-".
   *
   * Use it like this:
   *   var df = new DatePickerFormatter(["dd", "mm", "yyyy"], "/");
   *   df.current_date();
   *   df.match("7/7/2007");
   */
  initialize: function(format, separator) {
    if (Object.isUndefined(format))
      format = ["yyyy", "mm", "dd"];
    if (Object.isUndefined(separator))
      separator = "-";

    this._format 	= format;
    this.separator	= separator;
                
    this._formatYearIndex	= format.indexOf("yyyy");
    this._formatMonthIndex= format.indexOf("mm");
    this._formatDayIndex	= format.indexOf("dd");
                
    this._yearRegexp	= /^\d{4}$/;
    this._monthRegexp 	= /^0\d|1[012]|\d$/;
    this._dayRegexp 	= /^0\d|[12]\d|3[01]|\d$/;
  },
    
  /**
   * Match a string against date format.
   * Returns: [year, month, day]
   */
  match: function(str) {
    var d = str.split(this.separator);
        
    if (d.length < 3)
      return false;
        
    var year = d[this._formatYearIndex].match(this._yearRegexp);
    if (year) { year = year[0] } else { return false }
    var month = d[this._formatMonthIndex].match(this._monthRegexp);
    if (month) { month = month[0] } else { return false }
    var day = d[this._formatDayIndex].match(this._dayRegexp);
    if (day) { day = day[0] } else { return false }
        
    return [year, month, day];
  },
    
  /**
   * Return current date according to format.
   */
  currentDate: function() {
    var d = new Date;
    return this.dateToString(
			     d.getFullYear(),
			     d.getMonth() + 1,
			     d.getDate()
			     );
  },
    
  /**
   * Return a stringified date according to format.  Note, month is from
   * 1 to 12 here.
   */
  dateToString: function(year, month, day, separator) {
    if (Object.isUndefined(separator))
      separator = this.separator;

    var a = [0, 0, 0];
    a[this._formatYearIndex]	= year;
    a[this._formatMonthIndex] 	= month.toPaddedString(2);
    a[this._formatDayIndex] 	= day.toPaddedString(2);
        
    return a.join(separator);
  }
}; 

/**
 * DatePickerFilter
 * Titi Ala'ilima <tigre@pobox.com>
 */

var DatePickerFilter = Class.create();

DatePickerFilter.prototype = {
  /* A flexible way of blocking dates off from being selected.  Should
     be able to go so far as to hook it into an AJAX-based holiday filter,
     should anyone be kind enough to build one.  Note that validDates and
     validMonthP take 0-based months.
  */
  initialize : function (dateFilterFunction, monthFilterFunction) {
    if (dateFilterFunction) this.badDates = dateFilterFunction;
    if (monthFilterFunction) this.validMonthP = monthFilterFunction;
  },
  /**
   * badDates is a method which takes a fear and (0-based) month and
   * returns an array indexed by the (1-based) date, with value true if
   * the filter says this date is not allowed.  (This way,
   * an empty array equates to an unfiltered month.)
   */
  badDates : null,
  /**
   * validMonthP is a method which takes a fear and (0-based) month and
   * returns a Boolean saying whether or not the month is allowed by this
   * filter
   */
  validMonthP : null,
  /* Using "append" we can string filters together, such as "before date a",
     "after date b", and "not on weekends".  Note: this changes the current
     DatePickerFilter rather than returning a new one.
     Caveat Integrator: This uses closures. These can cause memory leaks (in
     IE) so be careful!
  */
  append : function (nextFilter) {
    if (!this.badDates)
      this.badDates = nextFilter.badDates;
    else if (nextFilter.badDates) {
      var firstBadDates = this.badDates;
      this.badDates = function (year, month) {
	  var results1 = firstBadDates(year,month);
	  var results2 = nextFilter.badDates(year,month);
	  /* An element-wise "or", since if it's bad in one filter, it's
	     bad for the aggregate. */
	  for (var i = 0; i < results1.length; i++)
	    results1[i] = results1[i] || results2[i];
	  return results1;
	};
    }
    if (!this.validMonthP)
      this.validMonthP = nextFilter.validMonthP;
    else if (nextFilter.validMonthP) {
      var firstValidMonthP = this.validMonthP;
      this.validMonthP = function (year, month) {
	  return firstValidMonthP(year,month) && nextFilter.validMonthP(year,month);
      };
    }
    return this; // Just so we can chain filters inline
  }
};


/**
 * DatePicker
 */

var DatePicker	= Class.create();

DatePicker.prototype	= {
  Version	: '1.0.0',
  _relative	: null,
  _div		: null,
  _zindex	: 1,
  _keepFieldEmpty: false,
  _dateFormat	: null,
  /* language */
  _language	: 'en',
  _language_month	: $H({
      'fr' : [ 'Janvier', 'F&#233;vrier', 'Mars', 'Avril', 'Mai', 'Juin', 
	       'Juillet', 'Aout', 'Septembre', 'Octobre', 'Novembre',
	       'D&#233;cembre' ],
      'en' : [ 'January', 'February', 'March', 'April', 'May', 'June', 'July',
	       'August', 'September', 'October', 'November', 'December' ],
      'sp' : [ 'Enero', 'Febrero', 'Marzo', 'Abril', 'Mayo', 'Junio', 'Julio',
	       'Agosto', 'Septiembre', 'Octubre', 'Noviembre', 'Diciembre' ],
      'it' : [ 'Gennaio', 'Febbraio', 'Marzo', 'Aprile', 'Maggio', 'Giugno',
	       'Luglio', 'Agosto', 'Settembre', 'Ottobre', 'Novembre',
	       'Dicembre' ],
      'de' : [ 'Januar', 'Februar', 'M&#228;rz', 'April', 'Mai', 'Juni', 'Juli',
	       'August', 'September', 'Oktober', 'November', 'Dezember' ],
      'pt' : [ 'Janeiro', 'Fevereiro', 'Mar&#231;o', 'Abril', 'Maio', 'Junho',
	       'Julho', 'Agosto', 'Setembro', 'Outubro', 'Novembro', 'Dezembro' ],
      'hu' : [ 'Janu&#225;r', 'Febru&#225;r', 'M&#225;rcius', '&#193;prilis', 
	       'M&#225;jus', 'J&#250;nius', 'J&#250;lius', 'Augusztus',
	       'Szeptember', 'Okt&#243;ber', 'November', 'December' ],
      'lt' : [ 'Sausis', 'Vasaris', 'Kovas', 'Balandis', 'Gegu&#382;&#279;',
	       'Bir&#382;elis', 'Liepa', 'Rugj&#363;tis', 'Rus&#279;jis',
	       'Spalis', 'Lapkritis', 'Gruodis' ],
      'nl' : [ 'januari', 'februari', 'maart', 'april', 'mei', 'juni', 'juli',
	       'augustus', 'september', 'oktober', 'november', 'december' ],
      'dk' : [ 'Januar', 'Februar', 'Marts', 'April', 'Maj', 'Juni', 'Juli',
	       'August', 'September', 'Oktober', 'November', 'December' ],
      'no' : [ 'Januar', 'Februar', 'Mars', 'April', 'Mai', 'Juni', 'Juli',
	       'August', 'September', 'Oktober', 'November', 'Desember' ],
      'lv' : [ 'Janv&#257;ris', 'Febru&#257;ris', 'Marts', 'Apr&#299;lis',
	       'Maijs', 'J&#363;nijs', 'J&#363;lijs', 'Augusts', 'Septembris',
	       'Oktobris', 'Novembris', 'Decemberis' ],
      'ja' : [ '1&#26376;', '2&#26376;', '3&#26376;', '4&#26376;', '5&#26376;',
	       '6&#26376;', '7&#26376;', '8&#26376;', '9&#26376;',
	       '10&#26376;', '11&#26376;', '12&#26376;' ],
      'fi' : [ 'Tammikuu', 'Helmikuu', 'Maaliskuu', 'Huhtikuu', 'Toukokuu',
	       'Kes&#228;kuu', 'Hein&#228;kuu', 'Elokuu', 'Syyskuu', 'Lokakuu',
	       'Marraskuu', 'Joulukuu' ],
      'ro' : [ 'Ianuarie', 'Februarie', 'Martie', 'Aprilie', 'Mai', 'Junie',
	       'Julie', 'August', 'Septembrie', 'Octombrie', 'Noiembrie',
	       'Decembrie' ],
      'zh' : [ '1&#32;&#26376;', '2&#32;&#26376;', '3&#32;&#26376;', 
	       '4&#32;&#26376;', '5&#32;&#26376;', '6&#32;&#26376;',
	       '7&#32;&#26376;', '8&#32;&#26376;', '9&#32;&#26376;',
	       '10&#26376;', '11&#26376;', '12&#26376;'],
      'sv' : [ 'Januari', 'Februari', 'Mars', 'April', 'Maj', 'Juni', 'Juli',
	       'Augusti', 'September', 'Oktober', 'November', 'December' ],
      'pl' : [ 'Stycze\u0144', 'Luty', 'Marzec', 'Kwiecie\u0144', 'Maj',
               'Czerwiec', 'Lipiec', 'Sierpie\u0144', 'Wrzesie\u0144',		  
               'Pa\u017adziernik', 'Listopad', 'Grudzie\u0144']
	}),
  _language_day	: $H({
      'fr'	: [ 'Lun', 'Mar', 'Mer', 'Jeu', 'Ven', 'Sam', 'Dim' ],
	'en'	: [ 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun' ],
	'sp'	: [ 'Lun', 'Mar', 'Mie', 'Jue', 'Vie', 'S&#224;b', 'Dom' ],
	'it'	: [ 'Lun', 'Mar', 'Mer', 'Gio', 'Ven', 'Sab', 'Dom' ],
	'de'	: [ 'Mon', 'Die', 'Mit', 'Don', 'Fre', 'Sam', 'Son' ],
	'pt'	: [ 'Seg', 'Ter', 'Qua', 'Qui', 'Sex', 'S&#225;', 'Dom' ],
	'hu'	: [ 'H&#233;', 'Ke', 'Sze', 'Cs&#252;', 'P&#233;', 'Szo', 'Vas' ],
	'lt'  : [ 'Pir', 'Ant', 'Tre', 'Ket', 'Pen', '&Scaron;e&scaron;', 'Sek' ],
	'nl'	: [ 'ma', 'di', 'wo', 'do', 'vr', 'za', 'zo' ],
	'dk'	: [ 'Man', 'Tir', 'Ons', 'Tor', 'Fre', 'L&#248;r', 'S&#248;n' ],
	'no'	: [ 'Man', 'Tir', 'Ons', 'Tor', 'Fre', 'L&#248;r', 'Sun' ],
	'lv'	: [ 'P', 'O', 'T', 'C', 'Pk', 'S', 'Sv' ],
	'ja'	: [ '&#26376;', '&#28779;', '&#27700;', '&#26408;', '&#37329;', 
		    '&#22303;', '&#26085;' ],
	'fi'	: [ 'Ma', 'Ti', 'Ke', 'To', 'Pe', 'La', 'Su' ],
	'ro'	: [ 'Lun', 'Mar', 'Mie', 'Joi', 'Vin', 'Sam', 'Dum' ],
	'zh'	: [ '&#21608;&#19968;', '&#21608;&#20108;', '&#21608;&#19977;', 
		    '&#21608;&#22235;', '&#21608;&#20116;', '&#21608;&#20845;', 
		    '&#21608;&#26085;' ],
	'sv'	: [ 'M&#229;n', 'Tis', 'Ons', 'Tor', 'Fre', 'L&#246;r', 
		    'S&#246;n' ],
        'pl'	: ['Pon', 'Wt', '\u015ar', 'Czw', 'Pt', 'Sob', 'Nie']
	}),
  _language_close	: $H({
      'fr'	: 'fermer',
	'en'	: 'close',
	'sp'	: 'cierre',
	'it'	: 'fine',
	'de'	: 'schliessen',
	'pt'	: 'fim',
	'hu'	: 'bez&#225;r',
	'lt'	: 'u&#382;daryti',
	'nl'	: 'sluiten',
	'dk'	: 'luk',
	'no'	: 'lukk',
	'lv'	: 'aizv&#275;rt',
	'ja'	: '&#38281;&#12376;&#12427;',
	'fi'	: 'sulje',
	'ro'	: 'inchide',
	'zh'	: '&#20851;&#32;&#38381',
	'sv'	: 'st&#228;ng',
	'pl'	: 'zamknij'
	}),
  _language_date_format : $H({
      'en': [ ["mm", "dd", "yyyy"], "/" ],
	'lt': [ ["yyyy", "mm", "dd"], "-" ],
	'fr': [ ["dd", "mm", "yyyy"], "/" ],
	'sp': [ ["dd", "mm", "yyyy"], "/" ],
	'it': [ ["dd", "mm", "yyyy"], "/" ],
	'de': [ ["dd", "mm", "yyyy"], "/" ],
	'pt': [ ["dd", "mm", "yyyy"], "/" ],
	'hu': [ ["dd", "mm", "yyyy"], "/" ],
	'nl': [ ["dd", "mm", "yyyy"], "/" ],
	'dk': [ ["dd", "mm", "yyyy"], "/" ],
	'no': [ ["dd", "mm", "yyyy"], "/" ],
	'lv': [ ["dd", "mm", "yyyy"], "/" ],
	'ja': [ ["yyyy", "mm", "dd"], "-" ],
	'fi': [ ["dd", "mm", "yyyy"], "." ],
	'ro': [ ["dd", "mm", "yyyy"], "/" ],
	'zh': [ ["yyyy", "mm", "dd"], "-" ],
	'sv': [ ["dd", "mm", "yyyy"], "/" ],
        'pl': [ ["yyyy", "mm", "dd"], "-" ]
	}),
  /* date manipulation */
  _todayDate		: new Date(),
  _currentDate		: null,
  _clickCallback		: Prototype.emptyFunction,
  _cellCallback		: Prototype.emptyFunction,
  _dateFilter : new DatePickerFilter(),
  _id_datepicker		: null,
  /* positionning */
  _topOffset		: 30,
  _leftOffset		: 0,
  _isPositionned		: false,
  _relativePosition 	: true,
  _setPositionTop 	: 0,
  _setPositionLeft	: 0,
  _bodyAppend		: false,
  /* Effects Adjustment */
  _showEffect		: "appear", 
  _showDuration		: 0.2,
  _enableShowEffect 	: true,
  _closeEffect		: "fade", 
  _closeEffectDuration	: 0.2,
  _enableCloseEffect 	: true,
  _closeTimer		: null,
  _enableCloseOnBlur	: false,
  /* afterClose : called when the close function is executed */
  _afterClose	: Prototype.emptyFunction,
  /* return the name of current month in appropriate language */
  getMonthLocale	: function ( month ) {
    return	this._language_month.get(this._language)[month];
  },
  getLocaleClose	: function () {
    return	this._language_close.get(this._language);
  },
  _initCurrentDate : function () {
    /* Create the DateFormatter */
    if (!this._dateFormat)
      this._dateFormat = this._language_date_format.get(this._language);
    this._df = new DatePickerFormatter(this._dateFormat[0], this._dateFormat[1]);
    /* check if value in field is proper, if not set to today */
    this._currentDate = $F(this._relative);
    if (! this._df.match(this._currentDate)) {
      this._currentDate = this._df.currentDate();
      /* set the field value ? */
      if (!this._keepFieldEmpty)
	$(this._relative).value = this._currentDate;
    }
    var a_date = this._df.match(this._currentDate);
    this._currentYear 	= Number(a_date[0]);
    this._currentMonth	= Number(a_date[1]) - 1;
    this._currentDay	= Number(a_date[2]);
  },
  /* init */
  initialize	: function ( h_p ) {
    /* arguments */
    this._relative= h_p["relative"];
    if (h_p["language"])
      this._language = h_p["language"];
    this._zindex	= ( h_p["zindex"] ) ? parseInt(Number(h_p["zindex"])) : 1;
    if (!Object.isUndefined(h_p["keepFieldEmpty"]))
      this._keepFieldEmpty	= h_p["keepFieldEmpty"];
    if (Object.isFunction(h_p["clickCallback"])) 
      this._clickCallback	= h_p["clickCallback"];
    if (!Object.isUndefined(h_p["leftOffset"]))
      this._leftOffset	= parseInt(h_p["leftOffset"]);
    if (!Object.isUndefined(h_p["topOffset"]))
      this._topOffset	= parseInt(h_p["topOffset"]);
    if (!Object.isUndefined(h_p["relativePosition"]))
      this._relativePosition = h_p["relativePosition"];
    if (!Object.isUndefined(h_p["showEffect"]))
      this._showEffect 	= h_p["showEffect"];
    if (!Object.isUndefined(h_p["enableShowEffect"]))
      this._enableShowEffect	= h_p["enableShowEffect"];
    if (!Object.isUndefined(h_p["showDuration"]))
      this._showDuration 	= h_p["showDuration"];
    if (!Object.isUndefined(h_p["closeEffect"]))
      this._closeEffect 	= h_p["closeEffect"];
    if (!Object.isUndefined(h_p["enableCloseEffect"]))
      this._enableCloseEffect	= h_p["enableCloseEffect"];
    if (!Object.isUndefined(h_p["closeEffectDuration"]))
      this._closeEffectDuration = h_p["closeEffectDuration"];
    if (Object.isFunction(h_p["afterClose"]))
      this._afterClose	= h_p["afterClose"];
    if (!Object.isUndefined(h_p["externalControl"]))
      this._externalControl= h_p["externalControl"];
    if (!Object.isUndefined(h_p["dateFormat"])) 
      this._dateFormat	= h_p["dateFormat"];
    if (Object.isFunction(h_p["cellCallback"]))
      this._cellCallback	= h_p["cellCallback"];
    this._setPositionTop	= ( h_p["setPositionTop"] ) ? 
    parseInt(Number(h_p["setPositionTop"])) : 0;
    this._setPositionLeft	= ( h_p["setPositionLeft"] ) ? 
    parseInt(Number(h_p["setPositionLeft"])) : 0;
    if (!Object.isUndefined(h_p["enableCloseOnBlur"]) && h_p["enableCloseOnBlur"])
      this._enableCloseOnBlur	= true;
    if (!Object.isUndefined(h_p["dateFilter"]) && h_p["dateFilter"])
      this._dateFilter = h_p["dateFilter"];
    // Backwards compatibility
    if (!Object.isUndefined(h_p["disablePastDate"]) && h_p["disablePastDate"])
      this._dateFilter.append(DatePickerUtils.noDatesBefore(0));
    else if (!Object.isUndefined(h_p["disableFutureDate"]) && h_p["disableFutureDate"])
      this._dateFilter.append(DatePickerUtils.noDatesAfter(0));
    this._id_datepicker		= 'datepicker-'+this._relative;
    this._id_datepicker_prev	= this._id_datepicker+'-prev';
    this._id_datepicker_next	= this._id_datepicker+'-next';
    this._id_datepicker_hdr	= this._id_datepicker+'-header';
    this._id_datepicker_ftr	= this._id_datepicker+'-footer';
    
    /* build up calendar skel */
    this._div = new Element('div', { 
      id : this._id_datepicker,
      className : 'datepicker',
      style : 'display: none; z-index:'+this._zindex });
    this._div.innerHTML = '<table><thead><tr><th width="10px" id="'+this._id_datepicker_prev+'" style="cursor: pointer;">&nbsp;&lt;&lt;&nbsp;</th><th id="'+this._id_datepicker_hdr+'" colspan="5"></th><th width="10px" id="'+this._id_datepicker_next+'" style="cursor: pointer;">&nbsp;&gt;&gt;&nbsp;</th></tr></thead><tbody id="'+this._id_datepicker+'-tbody"></tbody><tfoot><tr><td colspan="7" id="'+this._id_datepicker_ftr+'"></td></tr></tfoot></table>';
    /* finally declare the event listener on input field */
    Event.observe(this._relative, 
		  'click', this.click.bindAsEventListener(this), false);
    /* need to append on body when doc is loaded for IE */
    document.observe('dom:loaded', this.load.bindAsEventListener(this), false);
    /* automatically close when blur event is triggered */
    if ( this._enableCloseOnBlur ) {
      Event.observe(this._relative, 'blur', function (e) { 
		      if (!this._closeTimer) this._closeTimer = this.close.bind(this).delay(1); 
		    }.bindAsEventListener(this));
      Event.observe(this._div, 'click', function (e) { 
		      Field.focus(this._relative);
		      this.checkClose.bind(this).delay(0.1);
		    }.bindAsEventListener(this));
    }
  },
  /**
   * load	: called when document is fully-loaded to append datepicker
   *		  to main object.
   */
  load		: function () {
    /* if externalControl defined set the observer on it */
    if (this._externalControl) 
      Event.observe(this._externalControl, 'click',
		    this.click.bindAsEventListener(this), false);
    /* append to page */
    if (this._relativeAppend) {
   /* append to parent node */
      if ($(this._relative).parentNode) {
	this._div.innerHTML = this._wrap_in_iframe(this._div.innerHTML);
	$(this._relative).parentNode.appendChild( this._div );
      }
    } else {
      /* append to body */
      var body	= document.getElementsByTagName("body").item(0);
      if (body) {
	this._div.innerHTML = this._wrap_in_iframe(this._div.innerHTML);
	body.appendChild(this._div);
   }
      if ( this._relativePosition ) {
	var a_pos = Element.cumulativeOffset($(this._relative));
	this.setPosition(a_pos[1], a_pos[0]);
      } else {
	if (this._setPositionTop || this._setPositionLeft)
	  this.setPosition(this._setPositionTop, this._setPositionLeft);
      }
    }
    /* init the date in field if needed */
    this._initCurrentDate();
    /* set the close locale content */
    $(this._id_datepicker_ftr).innerHTML = this.getLocaleClose();
    /* declare the observers for UI control */
    Event.observe($(this._id_datepicker_prev), 
		  'click', this.prevMonth.bindAsEventListener(this), false);
    Event.observe($(this._id_datepicker_next), 
		  'click', this.nextMonth.bindAsEventListener(this), false);
    Event.observe($(this._id_datepicker_ftr), 
		  'click', this.close.bindAsEventListener(this), false);
    Event.observe($(document), 
		  'click', this.documentClick.bindAsEventListener(this), false);
  },
  /* hack for buggy form elements layering in IE */
  _wrap_in_iframe	: function ( content ) {
    return	( Prototype.Browser.IE ) ?
    "<div style='height:167px;width:185px;background-color:white;align:left'><iframe width='100%' height='100%' marginwidth='0' marginheight='0' frameborder='0' src='about:blank' style='filter:alpha(Opacity=50);'></iframe><div style='position:absolute;background-color:white;top:2px;left:2px;width:180px'>" + content + "</div></div>" : content;
  },
  /**
   * visible	: return the visibility status of the datepicker.
   */
  visible	: function () {
    return	$(this._id_datepicker).visible();
  },
  /**
   * click	: called when input element is clicked
   */
  click		: function () {
    /* init the datepicker if it doesn't exists */
    if ( $(this._id_datepicker) == null ) this.load();
    if (!this._isPositionned && this._relativePosition) {
      /* position the datepicker relatively to element */
      var a_lt = Element.cumulativeOffset($(this._relative));
      $(this._id_datepicker).setStyle({
	  'left'	: Number(a_lt[0]+this._leftOffset)+'px',
	    'top'	: Number(a_lt[1]+this._topOffset)+'px'
	    });
      this._isPositionned	= true;
    }
    if (!this.visible()) {
      this._initCurrentDate();
      this._redrawCalendar();
    }
    /* eval the clickCallback function */
    eval(this._clickCallback());
    /* Effect toggle to fade-in / fade-out the datepicker */
    if ( this._enableShowEffect ) {
      new Effect.toggle(this._id_datepicker, 
			this._showEffect, { duration: this._showDuration });
    } else {
      $(this._id_datepicker).show();
    }
  },
  /**
   * close	: called when the datepicker is closed
   */
  close		: function () {
    // ignore requests to close if already closed:
    if (!this.visible())
      return;
    this.checkClose();
    if ( this._enableCloseEffect ) {
      switch(this._closeEffect) {
	case 'puff': 
	new Effect.Puff(this._id_datepicker, { 
	  duration : this._closeEffectDuration });
	break;
	case 'blindUp': 
	new Effect.BlindUp(this._id_datepicker, { 
	  duration : this._closeEffectDuration });
	break;
	case 'dropOut': 
	new Effect.DropOut(this._id_datepicker, { 
	  duration : this._closeEffectDuration }); 
	break;
	case 'switchOff': 
	new Effect.SwitchOff(this._id_datepicker, { 
	  duration : this._closeEffectDuration }); 
	break;
	case 'squish': 
	new Effect.Squish(this._id_datepicker, { 
	  duration : this._closeEffectDuration });
	break;
	case 'fold': 
	new Effect.Fold(this._id_datepicker, { 
	  duration : this._closeEffectDuration });
	break;
	case 'shrink': 
	new Effect.Shrink(this._id_datepicker, { 
	  duration : this._closeEffectDuration });
	break;
	default: 
	new Effect.Fade(this._id_datepicker, { 
	  duration : this._closeEffectDuration });
	break;
      };
    } else {
      $(this._id_datepicker).hide();
    }
    eval(this._afterClose());
  },
  /**
   * checkClose	: called to check whether datepicker is set to close when it's clicked (due to enableCloseOnBlur)
   * Thanks to firetech87
   */
  checkClose	: function () {
    if (this._closeTimer) {
      window.clearTimeout(this._closeTimer);
      this._closeTimer = null;
    }
  },
   /**
    * documentClick  : called when user clicked anywhere in the document
    */
  documentClick     : function (event) {
    var source = event.element();
    if (source != this._div && source != $(this._relative) && source != $(this._externalControl) &&
	!source.descendantOf(this._div)) 
      this.close();
  },
  /**
   * setDateFormat
   */
  setDateFormat	: function ( format, separator ) {
    if (Object.isUndefined(format))
      format	= this._dateFormat[0];
    if (Object.isUndefined(separator))
      separator	= this._dateFormat[1];
    this._dateFormat	= [ format, separator ];
  },
  /**
   * setPosition	: set the position of the datepicker.
   *  param : t=top | l=left
   */
  setPosition	: function ( t, l ) {
    var h_pos	= { 'top' : '0px', 'left' : '0px' };
    if (!Object.isUndefined(t))
      h_pos['top']	= Number(t)+this._topOffset+'px';
    if (!Object.isUndefined(l))
      h_pos['left']= Number(l)+this._leftOffset+'px';
    $(this._id_datepicker).setStyle(h_pos);
    this._isPositionned	= true;
  },
  /**
   * _buildCalendar	: draw the days array for current date
   */
  _buildCalendar		: function () {
    var _self	= this;
    var tbody	= $(this._id_datepicker+'-tbody');
    try {
      while ( tbody.hasChildNodes() )
	tbody.removeChild(tbody.childNodes[0]);
    } catch ( e ) {};
    /* generate day headers */
    var trDay	= new Element('tr');
    this._language_day.get(this._language).each( function ( item ) {
						   var td	= new Element('td');
						   td.innerHTML	= item;
						   td.className	= 'wday';
						   trDay.appendChild( td );
						 });
    tbody.appendChild( trDay );
    /* generate the content of days */
    
    /* build-up days matrix */
    var a_d	= [ [ 0, 0, 0, 0, 0, 0, 0 ] ,[ 0, 0, 0, 0, 0, 0, 0 ]
		    ,[ 0, 0, 0, 0, 0, 0, 0 ], [ 0, 0, 0, 0, 0, 0, 0 ], [ 0, 0, 0, 0, 0, 0, 0 ]
		    ,[ 0, 0, 0, 0, 0, 0, 0 ]
		    ];
    var currentMonth	= this._currentMonth;
    var currentYear	= this._currentYear;
    /* set date at beginning of month to display */
    var d		= new Date(currentYear, currentMonth, 1, 12);
    /* start the day list on monday */
    var startIndex	= (d.getDay() + 6) % 7;
    var nbDaysInMonth	= DatePickerUtils.getMonthDays(currentYear, currentMonth);
    var daysIndex		= 1;
    var badDates = (this._dateFilter.badDates) ? this._dateFilter.badDates(currentYear, currentMonth) : [];

    /* The first week */
    for ( var j = startIndex; j < 7; j++ ) {
      a_d[0][j]	= { 
	d : daysIndex
	,m : currentMonth
	,y : currentYear 
	,b : badDates[daysIndex]
      };
      daysIndex++;
    }
    /* Fill in days before the current month starts */
    var a_prevMY	= this._prevMonthYear();
    var nbDaysInMonthPrev	= DatePickerUtils.getMonthDays(a_prevMY[1], a_prevMY[0]);
    for ( var j = 0; j < startIndex; j++ ) {
      a_d[0][j]	= { 
	d : Number(nbDaysInMonthPrev - startIndex + j + 1) 
	,m : Number(a_prevMY[0])
	,y : a_prevMY[1]
	,c : 'outbound'
	,b : true
      };
    }
    /* Now the remaining weeks */
    var switchNextMonth	= false;
    for ( var i = 1; i < 6; i++ ) {
      for ( var j = 0; j < 7; j++ ) {
	a_d[i][j]	= { 
	  d : daysIndex
	  ,m : currentMonth
	  ,y : currentYear
	  ,c : ( switchNextMonth )
	       ? 'outbound' :
	       ( 
		((daysIndex == this._todayDate.getDate()) &&
		 (currentMonth  == this._todayDate.getMonth()) &&
		 (currentYear == this._todayDate.getFullYear())) ? 'today' : null)
	  ,b : switchNextMonth || badDates[daysIndex]
	};
	daysIndex++;
	/* if at the end of the month : reset counter */
	if (daysIndex > nbDaysInMonth ) {
	  daysIndex	= 1;
	  switchNextMonth = true;
	  if (this._currentMonth + 1 > 11 ) {
	    currentMonth = 0;
	    currentYear += 1;
	  } else {
	    currentMonth += 1;
	  }
	}
      }
    }
    /* now generate the table cells for the dates */
    for ( var i = 0; i < 6; i++ ) {
      var tr	= new Element('tr');
      for ( var j = 0; j < 7; j++ ) {
	var h_ij = a_d[i][j];
	var td	= new Element('td');
	/* id is : datepicker-day-mon-year or depending on language other way */
	/* don't forget to add 1 on month for proper formmatting */
	var id	= $A([
		      this._relative,
		      this._df.dateToString(h_ij["y"], h_ij["m"]+1, h_ij["d"], '-')
		      ]).join('-');
	/* set id and classname for cell if exists */
	td.setAttribute('id', id);
	if (h_ij["c"])
	  td.className	= h_ij["c"];
	this._bindCellOnClick( td, h_ij["b"], h_ij["c"] );
	td.innerHTML= h_ij["d"];
	tr.appendChild( td );
      }
      tbody.appendChild( tr );
    }
    return	tbody;
  },
  /**
   * _bindCellOnClick	: bind the cell onclick depending on status.
   */
  _bindCellOnClick	: function ( td, badDateP, cellClass ) {
    if ( badDateP ) {
      td.className= ( cellClass ) ? 'nclick_' + cellClass : 'nclick';
    } else {
      /* Create a closure so we have access to the DatePicker object */
      var _self	= this;
      td.onclick	= function () { 
	$(_self._relative).value = String($(this).readAttribute('id')
					  ).replace(_self._relative+'-','').replace(/-/g, _self._df.separator);
	/* if we have a cellCallback defined call it and pass it the cell */
	if (_self._cellCallback)
	  _self._cellCallback(this);
	_self.close(); 
      };
    }
  },
  /**
   * nextMonth	: redraw the calendar content for next month.
   */
  _nextMonthYear	: function () {
    var c_mon	= this._currentMonth;
    var c_year	= this._currentYear;
    if (c_mon + 1 > 11) {
      c_mon	= 0;
      c_year	+= 1;
    } else {
      c_mon	+= 1;
    }
    return	[ c_mon, c_year ];
  },
  nextMonth	: function () {
    this._maybeRedrawMonth(this._nextMonthYear());
  },
  /**
   * prevMonth	: redraw the calendar content for previous month.
   */
  _prevMonthYear	: function () {
    var c_mon	= this._currentMonth;
    var c_year	= this._currentYear;
    if (c_mon - 1 < 0) {
      c_mon	= 11;
      c_year	-= 1;
    } else {
      c_mon	-= 1;
    }
    return	[ c_mon, c_year ];
  },
  prevMonth	: function () {
    this._maybeRedrawMonth(this._prevMonthYear());
  },
  _maybeRedrawMonth : function(a_new) {
    var _newMon = a_new[0];
    var _newYear = a_new[1];
    if (!this._dateFilter.validMonthP ||
	this._dateFilter.validMonthP(_newYear, _newMon)) {
      this._currentMonth	= _newMon;
      this._currentYear 	= _newYear;
      this._redrawCalendar();
    }
  },
  _redrawCalendar	: function () {
    this._setLocaleHdr(); this._buildCalendar();
  },
  _setLocaleHdr	: function () {
    /* next link */
    var a_next	= this._nextMonthYear();
    $(this._id_datepicker_next).setAttribute('title',
					     this.getMonthLocale(a_next[0])+' '+a_next[1]);
    /* prev link */
    var a_prev	= this._prevMonthYear();
    $(this._id_datepicker_prev).setAttribute('title',
					     this.getMonthLocale(a_prev[0])+' '+a_prev[1]);
    /* header */
    $(this._id_datepicker_hdr).update('&nbsp;&nbsp;&nbsp;'+this.getMonthLocale(this._currentMonth)+'&nbsp;'+this._currentYear+'&nbsp;&nbsp;&nbsp;');
  }
};

// ---------------------------------------------------------------------------------------------------------------------
// ---------------------------------------------------------------------------------------------------------------------
// ---------------------------------------------------------------------------------------------------------------------

// Validation
function validate_book(form) {

	var fname = $(form['first_name']);
	var lname = $(form['last_name']);
	var email = $(form['email']);
	var phone = $(form['phone']);
	var loc = $(form['location']);
	
	var sError = "";

	// Validate First Name
	if ( fname.value.length == 0 ) {
		sError += "Please enter your first name.\n";
	}


	// Validate Last Name
	if ( lname.value.length == 0 ) {
		sError += "Please enter your last name.\n";
	}

	// Validate Email
	if ( email.value.length == 0 ) {
		sError += "Please enter your email address.\n";
	} else {

		var str = email.value;
		var patt1 = new RegExp("^[a-z][a-zA-Z0-9_.-]*@[a-zA-Z0-9_.-]+\.[a-z]{2,4}$");
		var result = patt1.test(str);
		if ( !result ) {
			sError += "The email is not valid.\n";
		}
	}

	// Validate Phone
	if ( phone.value.length == 0 ) {
		sError += "Please enter your contact phone number.\n";
	}

	// Validate Location
	if ( loc.value.length == 0 ) {
		sError += "Please select a location.\n";
	}


	if ( sError.length == 0 ) {
		return true;
	}
	else {
		alert( sError );
		return false;
	}
}

// Validate Contact Form
function validate_contact(form) {

	var name = $(form['name']);
	var email = $(form['email']);
	var phone = $(form['phone']);

	
	var sError = "";

	// Validate Name
	if ( name.value.length == 0 ) {
		sError += "Please enter your contact name.\n";
	}

	// Validate Email
	if ( email.value.length == 0 ) {
		sError += "Please enter your email address.\n";
	} else {

		var str = email.value;
		var patt1 = new RegExp("^[a-z][a-zA-Z0-9_.-]*@[a-zA-Z0-9_.-]+\.[a-z]{2,4}$");
		var result = patt1.test(str);
		if ( !result ) {
			sError += "The email is not valid.\n";
		}
	}

	// Validate Phone
	if ( phone.value.length == 0 ) {
		sError += "Please enter your contact phone number.\n";
	}


	if ( sError.length == 0 ) {
		return true;
	}
	else {
		alert( sError );
		return false;
	}
}

// Validate signup
function validate_signup(form) {

	var name = $(form['name']);
	var email = $(form['email']);
	var location = $(form['location']);

	
	var sError = "";

	// Validate Name
	if ( name.value.length == 0 ) {
		sError += "Please enter your contact name.\n";
	}

	// Validate Email
	if ( email.value.length == 0 ) {
		sError += "Please enter your email address.\n";
	} else {

		var str = email.value;
		var patt1 = new RegExp("^[a-z][a-zA-Z0-9_.-]*@[a-zA-Z0-9_.-]+\.[a-z]{2,4}$");
		var result = patt1.test(str);
		if ( !result ) {
			sError += "The email is not valid.\n";
		}
	}

	// Validate Location
	if ( location.value.length == 0 ) {
		sError += "Please select your nearest location.\n";
	}

	if ( sError.length == 0 ) {
		return true;
	}
	else {
		alert( sError );
		return false;
	}
}
// ------------------------------------------------------------------------------

// Load Image Gallery
function load_gallery(loc, apartment) {

	$('gallery').insert({top:
		Builder.node('div', { className:'img' }, [
			Builder.node('img', { src:'images/'+loc+'/'+apartment+'/1.jpg' }),
		])
	}).setStyle({ height: '291px' });

	$('gallery').insert({top:
		Builder.node('div', { className:'thumbs' }, [
			Builder.node('img', { src:'images/'+loc+'/'+apartment+'/thumbs/1.jpg' }),
			Builder.node('img', { src:'images/'+loc+'/'+apartment+'/thumbs/2.jpg' }),
			Builder.node('img', { src:'images/'+loc+'/'+apartment+'/thumbs/3.jpg' }),
			Builder.node('img', { src:'images/'+loc+'/'+apartment+'/thumbs/4.jpg' }),
			Builder.node('img', { src:'images/'+loc+'/'+apartment+'/thumbs/5.jpg' }),
			Builder.node('img', { src:'images/'+loc+'/'+apartment+'/thumbs/6.jpg' }),
		])
	});

	$$('#gallery .thumbs img').each(function(n) {
			n.setStyle({ cursor: 'pointer' });
			n.observe('click', function(event) {
				Event.stop(event);
				$('gallery').down('.img').down('img').src=n.src.replace(/thumbs\//gi, "");
			});
	});
}

// Load Home Page Slider
function load_slider() {

	slider_type='default';
	if($('slider').readAttribute('title')) {
		slider_type=$('slider').readAttribute('title');
	}

	$('slider').insert({top:
		Builder.node('div', { className:'img', style:'float:left' }, [
			Builder.node('img', { src:'images/slider/'+slider_type+'/1.jpg' }),
		])
	});

	$('slider').insert({top:
		Builder.node('div', { className:'menu' }, [
			Builder.node('img', { src:'images/slider/'+slider_type+'/menu/1_active.gif' }),
			Builder.node('img', { src:'images/slider/'+slider_type+'/menu/2.gif' }),
			Builder.node('img', { src:'images/slider/'+slider_type+'/menu/3.gif' }),
		])
	});

	$$('#slider .menu img').each(function(n) {
			n.setStyle({ cursor: 'pointer' });
			n.observe('click', function(event) {
				$('slider').down('.img').down('img').src=n.src.replace(/menu\//gi, "").replace(/_active/gi, "").replace(/\.gif/gi, ".jpg");
				
				$$('#slider .menu img').each(function(z) {
					z.src=z.src.replace(/_active/gi, "");
				});
				n.src=n.src.replace(/\.gif/gi, "_active.gif");
			});
	});
}


// ------------------------------------------------------------------------------------------------------------------


// Load Catch a Deal Box
function load_catch_a_deal_box() {
	$('catch_a_deal').update('\
					<B>Receive all Glo Beauty Special Offers directly to your inbox.</B>\
					<form action="signup.php" onsubmit="return validate_signup(this);" method="post">\
						<table cellspacing="0">\
							<tr>\
								<td>\
									<input name="name" value="Your Name" onfocus="if(this.value==\'Your Name\') { this.value=\'\' }" onblur="if(this.value==\'\') { this.value=\'Your Name\' }" size="30">\
								</td>\
							</tr>\
							<tr>\
								<td>\
									<input name="email" value="Your Email" onfocus="if(this.value==\'Your Email\') { this.value=\'\' }" onblur="if(this.value==\'\') { this.value=\'Your Email\' }" size="30">\
								</td>\
							</tr>\
							<tr>\
								<td>\
									<select name="location">\
										<option value="">Your Nearest Location...</option>\
										<option value="East Brunswick">East Brunswick</option>\
										<option value="Preston">Preston</option>\
										<option value="Highett">Highett</option>\
									</select>\
								</td>\
							</tr>\
							<tr>\
								<td style="text-align: right; padding: 5px 0 0 0;">\
									&nbsp;<input type="image" src="images/catch_button.gif" name="go" value="Go">\
									<input type="hidden" name="mode" value="submit">\
								</td>\
							</tr>\
						</table>\
					</form>\
	');
}






// Load Contact Form
function load_contact_form() {
	$('contact_form').update('\
				<p>\
					or\
				</p>\
\
				<h2>Enquire Online</h2>\
\
				<form action="enquire.php" onsubmit="return validate_contact(this);" method="post">\
\
					<table cellspacing="9">\
						<tr>\
							<td>\
								Name\
							</td>\
							<td>\
								<input type="text" name="name" value="">\
							</td>\
						</tr>\
						<tr>\
							<td>\
								Email\
							</td>\
							<td>\
								<input type="text" name="email" value="">\
							</td>\
						</tr>\
						<tr>\
							<td>\
								Phone\
							</td>\
							<td>\
								<input type="text" name="phone" value="">\
							</td>\
						</tr>\
						<tr>\
							<td>\
								Location\
							</td>\
							<td>\
								<select name="location">\
									<option value="">Please Select</option>\
									<option value="St Kilda Road">St Kilda Road</option>\
									<option value="Prahran">Prahran</option>\
									<option value="South Yarra">South Yarra</option>\
									<option value="Preston">Preston</option>\
									<option value="any">Any</option>\
								</select>\
							</td>\
						</tr>\
\
						<tr>\
							<td>\
								Comments / Questions\
							</td>\
							<td>\
								<textarea name="comments" rows="4" cols="30"></textarea>\
							</td>\
						</tr>\
						<tr>\
							<td></td>\
							<td>\
								<input type="image" src="images/submit_enquiry_button.gif" name="submit" value="submit">\
								<input type="hidden" name="mode" value="submit">\
								<input type="hidden" name="subj" value="Aluxstay Enquiry - Contact Us">\
							</td>\
						</tr>\
					</table>\
				</form>\
	');
}
// ------------------------------------------------------------------------------------------------------------------









/* Google Map Functions */
function reset_box() {
	boxtext = '<img id="close" src="images/lightbox/mf_close.gif" onClick="MfLightbox.hideBox()" alt="Close" title="Close this window" />';
	boxtext += '<div id="boxContents"></div>';
	$('box').update(boxtext);
}

function gmap(id, map_container) {
  if (GBrowserIsCompatible()) {

	if(!map_container) map_container=$('box');
	var body = map_container;
	// var body = document.getElementById('map');
	var map = new GMap2(body);
	map.addControl(new GMapTypeControl());
	map.addControl(new GLargeMapControl());
	map.setCenter(new GLatLng(-37.837953,144.995713), 12);

	// Create our "tiny" marker icon
	var icon = new GIcon();
	icon.image = "http://www.google.com/mapfiles/ms/icons/red-pushpin.png";
	icon.shadow = "http://www.google.com/mapfiles/ms/icons/pushpin_shadow.png";
	icon.iconSize = new GSize(32, 32);
	icon.shadowSize = new GSize(59, 32);
	icon.iconAnchor = new GPoint(10, 32);
	icon.infoWindowAnchor = new GPoint(16, 1);


	// Creates a marker whose info window displays the given info
	function createMarker(point, info) {
	  // Create a lettered icon for this point using our icon class

	  var marker = new GMarker(point, icon);

	  GEvent.addListener(marker, "click", function() {
		marker.openInfoWindowHtml(info);
	  });
	  return marker;
	}

	switch (id)
	{
	case 'brunswick':
	// Lygon Street Brunswick
	map.setCenter(new GLatLng(-37.777837,144.970396), 15);
	map.addOverlay(createMarker(new google.maps.LatLng(-37.777837,144.970396), "\
		<div align=\"left\">\
			<img src=\"images/glo_lygon.gif\" alt=\"Glo Beauty Lygon\"></a><BR>\
			<B>Ph:  9380 1600</B><BR>\
			35 Lygon Street, <BR>\
			East Brunswick<BR> <b>E:</b> <a href=\"mailto:info@globeautytherapy.com.au\">info@globeautytherapy.com.au</a>\
		</div>\
	"));
	  break;

	case 'preston':
	// Preston
	map.setCenter(new GLatLng(-37.750438,144.987769), 15);
	map.addOverlay(createMarker(new google.maps.LatLng(-37.750438,144.987769), "\
		<div align=\"left\">\
			<img src=\"images/glo_gilbert.gif\" alt=\"Glo Beauty Preston\"></a><BR>\
			<B>Ph:  9484 0700</B><BR>\
			19 Gilbert Road, <BR>\
			Preston<BR> <b>E:</b> <a href=\"mailto:info@globeautytherapy.com.au\">info@globeautytherapy.com.au</a>\
		</div>\
	"));
	  break;

	case 'highett':
	// Highett
	map.setCenter(new GLatLng(-37.948726,145.043897), 15);
	map.addOverlay(createMarker(new google.maps.LatLng(-37.948726,145.043897), "\
		<div align=\"left\">\
			<img src=\"images/glo_highett.gif\" alt=\"Glo Beauty Highett\"></a><BR>\
			<B>Ph:  9555 7333</B><BR>\
			Shop 2 - 535 Highett Road, <BR>\
			Highett<BR> <b>E:</b> <a href=\"mailto:info@globeautytherapy.com.au\">info@globeautytherapy.com.au</a>\
		</div>\
	"));
	  break;

	default:
	  //document.write("!");
	}


  }

	if($('box')) {
		var x='<img id="close" src="images/lightbox/mf_close.gif" onClick="MfLightbox.hideBox(); reset_box();" alt="Close" title="Close this window" style="position: absolute; right:0; top:0; z-index: 10000000;"/>';	
		$('box').insert({top: x});
	}
}

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


Event.observe(window, 'load', function() {
	//size_menu();
	// slider

	if($('slider')) {
		load_slider();
		// my_glider = new Glider('slider', {duration:0.5, autoGlide:true, frequency: 6});
	}

	// Load maps
	if($('map')) {
		gmap();
	}
	if($('map_preston')) {
		gmap('preston', $('map_preston'));
	}
	if($('map_prahran')) {
		gmap('prahran', $('map_prahran'));
	}
	if($('map_southyarra')) {
		gmap('south-yarra', $('map_southyarra'));
	}
	if($('map_stkildaroad')) {
		gmap('st-kilda-road', $('map_stkildaroad'));
	}


	// initialise mf_lightbox
	try {
		MfLightbox.init();
	} catch (e) {
		//Event.stop(e);
		// zzz
	}


	// tab boxes
	if($('tnav')) {
		boxes = $$('div.main div.tab');
		boxes.invoke('hide');
		boxes.first().show();
		$$('#tnav a.link').first().toggleClassName('active');

		$$('#tnav a.link').each(function(n, index) {

			Event.observe(n, 'click', function(event) {
				n.blur();
				Event.stop(event);

				// change active 
				$$('#tnav a').invoke('removeClassName', 'active');
				n.toggleClassName('active');

				//show corresponding box
				boxes.invoke('hide');
				boxes[index].show();

			});
		});
	}


	// Apartment Image slider
	if($('gallery')) {
		var classes = $w($('gallery').className);
		load_gallery(classes[0],classes[1]);
	}

	// ------------------------------------------------------------------------


	// Emails
	$$('span.email_enq').each(function(n){
		n.update('<a href="mailto:info@globeautytherapy.com.au?subject='+n.readAttribute('title')+'">Email Enquiry</a>');
	});

	// Call to action
	if($('cta')) {
		$('cta').update('\
							<h3>Contact Glo Now</h3>\
							<p>\
								For more information on our products &amp; services or to make a booking, please <a href="contact.htm">contact us</a> or <a href="booking.php" onclick="MfLightbox.showBoxByAJAX(\'book.php\', 470, 470); return false;">book online</a>\
							</p>\
		');
	}

	// Rates Box
	if($('rates_box')) {
		load_rates_box();
	}

	// Booking Box
	if($('book_box')) {
		load_book_box();
	}

	// Catch a Deal Box
	if($('catch_a_deal')) {
		load_catch_a_deal_box();
	}

	// Contact Form
	if($('contact_form')) {
		load_contact_form();
	}

	// Date Picker 
	if($('date_arrive')) {
		var date_arrive = new DatePicker({
			relative:'date_arrive',
			keepFieldEmpty:true,
			dateFormat:[ ["dd","mm","yyyy"], "/" ],
			dateFilter:DatePickerUtils.noDatesBefore(0)
		});
	}
	if($('date_depart')) {
		var date_depart = new DatePicker({
			relative:'date_depart',
			keepFieldEmpty:true,
			dateFormat:[ ["dd","mm","yyyy"], "/" ],
			dateFilter:DatePickerUtils.noDatesBefore(0)
		});
	}


});