var Prototype = {

  Version: '1.5.0_rc0',

  ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',



  emptyFunction: function() {},

  K: function(x) {return x}

}



var Class = {

  create: function() {

    return function() {

      this.initialize.apply(this, arguments);

    }

  }

}



var Abstract = new Object();



Object.extend = function(destination, source) {

  for (var property in source) {

    destination[property] = source[property];

  }

  return destination;

}



Object.inspect = function(object) {

  try {

    if (object == undefined) return 'undefined';

    if (object == null) return 'null';

    return object.inspect ? object.inspect() : object.toString();

  } catch (e) {

    if (e instanceof RangeError) return '...';

    throw e;

  }

}



Function.prototype.bind = function() {

  var __method = this, args = $A(arguments), object = args.shift();

  return function() {

    return __method.apply(object, args.concat($A(arguments)));

  }

}



Function.prototype.bindAsEventListener = function(object) {

  var __method = this;

  return function(event) {

    return __method.call(object, event || window.event);

  }

}



Object.extend(Number.prototype, {

  toColorPart: function() {

    var digits = this.toString(16);

    if (this < 16) return '0' + digits;

    return digits;

  },



  succ: function() {

    return this + 1;

  },



  times: function(iterator) {

    $R(0, this, true).each(iterator);

    return this;

  }

});



var Try = {

  these: function() {

    var returnValue;



    for (var i = 0; i < arguments.length; i++) {

      var lambda = arguments[i];

      try {

        returnValue = lambda();

        break;

      } catch (e) {}

    }



    return returnValue;

  }

}



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



var PeriodicalExecuter = Class.create();

PeriodicalExecuter.prototype = {

  initialize: function(callback, frequency) {

    this.callback = callback;

    this.frequency = frequency;

    this.currentlyExecuting = false;



    this.registerCallback();

  },



  registerCallback: function() {

    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);

  },



  onTimerEvent: function() {

    if (!this.currentlyExecuting) {

      try {

        this.currentlyExecuting = true;

        this.callback();

      } finally {

        this.currentlyExecuting = false;

      }

    }

  }

}

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 += (replacement(match) || '').toString();

        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 = count === undefined ? 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 this;

  },



  truncate: function(length, truncation) {

    length = length || 30;

    truncation = truncation === undefined ? '...' : truncation;

    return this.length > length ?

      this.slice(0, length - truncation.length) + truncation : 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 div = document.createElement('div');

    var text = document.createTextNode(this);

    div.appendChild(text);

    return div.innerHTML;

  },



  unescapeHTML: function() {

    var div = document.createElement('div');

    div.innerHTML = this.stripTags();

    return div.childNodes[0] ? div.childNodes[0].nodeValue : '';

  },



  toQueryParams: function() {

    var pairs = this.match(/^\??(.*)$/)[1].split('&');

    return pairs.inject({}, function(params, pairString) {

      var pair = pairString.split('=');

      params[pair[0]] = pair[1];

      return params;

    });

  },



  toArray: function() {

    return this.split('');

  },



  camelize: function() {

    var oStringList = this.split('-');

    if (oStringList.length == 1) return oStringList[0];



    var camelizedString = this.indexOf('-') == 0

      ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1)

      : oStringList[0];



    for (var i = 1, len = oStringList.length; i < len; i++) {

      var s = oStringList[i];

      camelizedString += s.charAt(0).toUpperCase() + s.substring(1);

    }



    return camelizedString;

  },



  inspect: function() {

    return "'" + this.replace(/\\/g, '\\\\').replace(/'/g, '\\\'') + "'";

  }

});



String.prototype.gsub.prepareReplacement = function(replacement) {

  if (typeof replacement == 'function') return replacement;

  var template = new Template(replacement);

  return function(match) { return template.evaluate(match) };

}



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



var Template = Class.create();

Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

Template.prototype = {

  initialize: function(template, pattern) {

    this.template = template.toString();

    this.pattern  = pattern || Template.Pattern;

  },



  evaluate: function(object) {

    return this.template.gsub(this.pattern, function(match) {

      var before = match[1];

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

      return before + (object[match[3]] || '').toString();

    });

  }

}



var $break    = new Object();

var $continue = new Object();



var Enumerable = {

  each: function(iterator) {

    var index = 0;

    try {

      this._each(function(value) {

        try {

          iterator(value, index++);

        } catch (e) {

          if (e != $continue) throw e;

        }

      });

    } catch (e) {

      if (e != $break) throw e;

    }

  },



  all: function(iterator) {

    var result = true;

    this.each(function(value, index) {

      result = result && !!(iterator || Prototype.K)(value, index);

      if (!result) throw $break;

    });

    return result;

  },



  any: function(iterator) {

    var result = true;

    this.each(function(value, index) {

      if (result = !!(iterator || Prototype.K)(value, index))

        throw $break;

    });

    return result;

  },



  collect: function(iterator) {

    var results = [];

    this.each(function(value, index) {

      results.push(iterator(value, index));

    });

    return results;

  },



  detect: function (iterator) {

    var result;

    this.each(function(value, index) {

      if (iterator(value, index)) {

        result = value;

        throw $break;

      }

    });

    return result;

  },



  findAll: function(iterator) {

    var results = [];

    this.each(function(value, index) {

      if (iterator(value, index))

        results.push(value);

    });

    return results;

  },



  grep: function(pattern, iterator) {

    var results = [];

    this.each(function(value, index) {

      var stringValue = value.toString();

      if (stringValue.match(pattern))

        results.push((iterator || Prototype.K)(value, index));

    })

    return results;

  },



  include: function(object) {

    var found = false;

    this.each(function(value) {

      if (value == object) {

        found = true;

        throw $break;

      }

    });

    return found;

  },



  inject: function(memo, iterator) {

    this.each(function(value, index) {

      memo = iterator(memo, value, index);

    });

    return memo;

  },



  invoke: function(method) {

    var args = $A(arguments).slice(1);

    return this.collect(function(value) {

      return value[method].apply(value, args);

    });

  },



  max: function(iterator) {

    var result;

    this.each(function(value, index) {

      value = (iterator || Prototype.K)(value, index);

      if (result == undefined || value >= result)

        result = value;

    });

    return result;

  },



  min: function(iterator) {

    var result;

    this.each(function(value, index) {

      value = (iterator || Prototype.K)(value, index);

      if (result == undefined || value < result)

        result = value;

    });

    return result;

  },



  partition: function(iterator) {

    var trues = [], falses = [];

    this.each(function(value, index) {

      ((iterator || Prototype.K)(value, index) ?

        trues : falses).push(value);

    });

    return [trues, falses];

  },



  pluck: function(property) {

    var results = [];

    this.each(function(value, index) {

      results.push(value[property]);

    });

    return results;

  },



  reject: function(iterator) {

    var results = [];

    this.each(function(value, index) {

      if (!iterator(value, index))

        results.push(value);

    });

    return results;

  },



  sortBy: function(iterator) {

    return this.collect(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.collect(Prototype.K);

  },



  zip: function() {

    var iterator = Prototype.K, args = $A(arguments);

    if (typeof args.last() == 'function')

      iterator = args.pop();



    var collections = [this].concat(args).map($A);

    return this.map(function(value, index) {

      return iterator(collections.pluck(index));

    });

  },



  inspect: function() {

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

  }

}



Object.extend(Enumerable, {

  map:     Enumerable.collect,

  find:    Enumerable.detect,

  select:  Enumerable.findAll,

  member:  Enumerable.include,

  entries: Enumerable.toArray

});

var $A = Array.from = function(iterable) {

  if (!iterable) return [];

  if (iterable.toArray) {

    return iterable.toArray();

  } else {

    var results = [];

    for (var i = 0; i < iterable.length; i++)

      results.push(iterable[i]);

    return results;

  }

}



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; i < this.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 != undefined || value != null;

    });

  },



  flatten: function() {

    return this.inject([], function(array, value) {

      return array.concat(value && value.constructor == Array ?

        value.flatten() : [value]);

    });

  },



  without: function() {

    var values = $A(arguments);

    return this.select(function(value) {

      return !values.include(value);

    });

  },



  indexOf: function(object) {

    for (var i = 0; i < this.length; i++)

      if (this[i] == object) return i;

    return -1;

  },



  reverse: function(inline) {

    return (inline !== false ? this : this.toArray())._reverse();

  },



  inspect: function() {

    return '[' + this.map(Object.inspect).join(', ') + ']';

  }

});

var Hash = {

  _each: function(iterator) {

    for (var key in this) {

      var value = this[key];

      if (typeof value == 'function') continue;



      var pair = [key, value];

      pair.key = key;

      pair.value = value;

      iterator(pair);

    }

  },



  keys: function() {

    return this.pluck('key');

  },



  values: function() {

    return this.pluck('value');

  },



  merge: function(hash) {

    return $H(hash).inject($H(this), function(mergedHash, pair) {

      mergedHash[pair.key] = pair.value;

      return mergedHash;

    });

  },



  toQueryString: function() {

    return this.map(function(pair) {

      return pair.map(encodeURIComponent).join('=');

    }).join('&');

  },



  inspect: function() {

    return '#<Hash:{' + this.map(function(pair) {

      return pair.map(Object.inspect).join(': ');

    }).join(', ') + '}>';

  }

}



function $H(object) {

  var hash = Object.extend({}, object || {});

  Object.extend(hash, Enumerable);

  Object.extend(hash, Hash);

  return hash;

}

ObjectRange = Class.create();

Object.extend(ObjectRange.prototype, Enumerable);

Object.extend(ObjectRange.prototype, {

  initialize: function(start, end, exclusive) {

    this.start = start;

    this.end = end;

    this.exclusive = exclusive;

  },



  _each: function(iterator) {

    var value = this.start;

    do {

      iterator(value);

      value = value.succ();

    } while (this.include(value));

  },



  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(responderToAdd) {

    if (!this.include(responderToAdd))

      this.responders.push(responderToAdd);

  },



  unregister: function(responderToRemove) {

    this.responders = this.responders.without(responderToRemove);

  },



  dispatch: function(callback, request, transport, json) {

    this.each(function(responder) {

      if (responder[callback] && typeof responder[callback] == 'function') {

        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 = function() {};

Ajax.Base.prototype = {

  setOptions: function(options) {

    this.options = {

      method:       'post',

      asynchronous: true,

      contentType:  'application/x-www-form-urlencoded',

      parameters:   ''

    }

    Object.extend(this.options, options || {});

  },



  responseIsSuccess: function() {

    return this.transport.status == undefined

        || this.transport.status == 0

        || (this.transport.status >= 200 && this.transport.status < 300);

  },



  responseIsFailure: function() {

    return !this.responseIsSuccess();

  }

}



Ajax.Request = Class.create();

Ajax.Request.Events =

  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];



Ajax.Request.prototype = Object.extend(new Ajax.Base(), {

  initialize: function(url, options) {

    this.transport = Ajax.getTransport();

    this.setOptions(options);

    this.request(url);

  },



  request: function(url) {

    var parameters = this.options.parameters || '';

    if (parameters.length > 0) parameters += '&_=';



    try {

      this.url = url;

      if (this.options.method == 'get' && parameters.length > 0)

        this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;



      Ajax.Responders.dispatch('onCreate', this, this.transport);



      this.transport.open(this.options.method, this.url,

        this.options.asynchronous);



      if (this.options.asynchronous) {

        this.transport.onreadystatechange = this.onStateChange.bind(this);

        setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);

      }



      this.setRequestHeaders();



      var body = this.options.postBody ? this.options.postBody : parameters;

      this.transport.send(this.options.method == 'post' ? body : null);



    } catch (e) {

      this.dispatchException(e);

    }

  },



  setRequestHeaders: function() {

    var requestHeaders =

      ['X-Requested-With', 'XMLHttpRequest',

       'X-Prototype-Version', Prototype.Version,

       'Accept', 'text/javascript, text/html, application/xml, text/xml, */*'];



    if (this.options.method == 'post') {

      requestHeaders.push('Content-type', this.options.contentType);



      /* Force "Connection: close" for Mozilla browsers to work around

       * a bug where XMLHttpReqeuest sends an incorrect Content-length

       * header. See Mozilla Bugzilla #246651.

       */

      if (this.transport.overrideMimeType)

        requestHeaders.push('Connection', 'close');

    }



    if (this.options.requestHeaders)

      requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);



    for (var i = 0; i < requestHeaders.length; i += 2)

      this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);

  },



  onStateChange: function() {

    var readyState = this.transport.readyState;

    if (readyState != 1)

      this.respondToReadyState(this.transport.readyState);

  },



  header: function(name) {

    try {

      return this.transport.getResponseHeader(name);

    } catch (e) {}

  },



  evalJSON: function() {

    try {

      return eval('(' + this.header('X-JSON') + ')');

    } catch (e) {}

  },



  evalResponse: function() {

    try {

      return eval(this.transport.responseText);

    } catch (e) {

      this.dispatchException(e);

    }

  },



  respondToReadyState: function(readyState) {

    var event = Ajax.Request.Events[readyState];

    var transport = this.transport, json = this.evalJSON();



    if (event == 'Complete') {

      try {

        (this.options['on' + this.transport.status]

         || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]

         || Prototype.emptyFunction)(transport, json);

      } catch (e) {

        this.dispatchException(e);

      }



      if ((this.header('Content-type') || '').match(/^text\/javascript/i))

        this.evalResponse();

    }



    try {

      (this.options['on' + event] || Prototype.emptyFunction)(transport, json);

      Ajax.Responders.dispatch('on' + event, this, transport, json);

    } catch (e) {

      this.dispatchException(e);

    }



    /* Avoid memory leak in MSIE: clean up the oncomplete event handler */

    if (event == 'Complete')

      this.transport.onreadystatechange = Prototype.emptyFunction;

  },



  dispatchException: function(exception) {

    (this.options.onException || Prototype.emptyFunction)(this, exception);

    Ajax.Responders.dispatch('onException', this, exception);

  }

});



Ajax.Updater = Class.create();



Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {

  initialize: function(container, url, options) {

    this.containers = {

      success: container.success ? $(container.success) : $(container),

      failure: container.failure ? $(container.failure) :

        (container.success ? null : $(container))

    }



    this.transport = Ajax.getTransport();

    this.setOptions(options);



    var onComplete = this.options.onComplete || Prototype.emptyFunction;

    this.options.onComplete = (function(transport, object) {

      this.updateContent();

      onComplete(transport, object);

    }).bind(this);



    this.request(url);

  },



  updateContent: function() {

    var receiver = this.responseIsSuccess() ?

      this.containers.success : this.containers.failure;

    var response = this.transport.responseText;



    if (!this.options.evalScripts)

      response = response.stripScripts();



    if (receiver) {

      if (this.options.insertion) {

        new this.options.insertion(receiver, response);

      } else {

        Element.update(receiver, response);

      }

    }



    if (this.responseIsSuccess()) {

      if (this.onComplete)

        setTimeout(this.onComplete.bind(this), 10);

    }

  }

});



Ajax.PeriodicalUpdater = Class.create();

Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {

  initialize: function(container, url, options) {

    this.setOptions(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.onComplete = undefined;

    clearTimeout(this.timer);

    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);

  },



  updateComplete: function(request) {

    if (this.options.decay) {

      this.decay = (request.responseText == this.lastText ?

        this.decay * this.options.decay : 1);



      this.lastText = request.responseText;

    }

    this.timer = setTimeout(this.onTimerEvent.bind(this),

      this.decay * this.frequency * 1000);

  },



  onTimerEvent: function() {

    this.updater = new Ajax.Updater(this.container, this.url, this.options);

  }

});

function $() {

  var results = [], element;

  for (var i = 0; i < arguments.length; i++) {

    element = arguments[i];

    if (typeof element == 'string')

      element = document.getElementById(element);

    results.push(Element.extend(element));

  }

  return results.length < 2 ? results[0] : results;

}



document.getElementsByClassName = function(className, parentElement) {

  var children = ($(parentElement) || document.body).getElementsByTagName('*');

  return $A(children).inject([], function(elements, child) {

    if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))

      elements.push(Element.extend(child));

    return elements;

  });

}



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



if (!window.Element)

  var Element = new Object();



Element.extend = function(element) {

  if (!element) return;

  if (_nativeExtensions) return element;



  if (!element._extended && element.tagName && element != window) {

    var methods = Element.Methods, cache = Element.extend.cache;

    for (property in methods) {

      var value = methods[property];

      if (typeof value == 'function')

        element[property] = cache.findOrStore(value);

    }

  }



  element._extended = true;

  return element;

}



Element.extend.cache = {

  findOrStore: function(value) {

    return this[value] = this[value] || function() {

      return value.apply(null, [this].concat($A(arguments)));

    }

  }

}



Element.Methods = {

  visible: function(element) {

    return $(element).style.display != 'none';

  },



  toggle: function() {

    for (var i = 0; i < arguments.length; i++) {

      var element = $(arguments[i]);

      Element[Element.visible(element) ? 'hide' : 'show'](element);

    }

  },



  hide: function() {

    for (var i = 0; i < arguments.length; i++) {

      var element = $(arguments[i]);

      element.style.display = 'none';

    }

  },



  show: function() {

    for (var i = 0; i < arguments.length; i++) {

      var element = $(arguments[i]);

      element.style.display = '';

    }

  },



  remove: function(element) {

    element = $(element);

    element.parentNode.removeChild(element);

  },



  update: function(element, html) {

    $(element).innerHTML = html.stripScripts();

    setTimeout(function() {html.evalScripts()}, 10);

  },



  replace: function(element, html) {

    element = $(element);

    if (element.outerHTML) {

      element.outerHTML = html.stripScripts();

    } else {

      var range = element.ownerDocument.createRange();

      range.selectNodeContents(element);

      element.parentNode.replaceChild(

        range.createContextualFragment(html.stripScripts()), element);

    }

    setTimeout(function() {html.evalScripts()}, 10);

  },



  getHeight: function(element) {

    element = $(element);

    return element.offsetHeight;

  },



  classNames: function(element) {

    return new Element.ClassNames(element);

  },



  hasClassName: function(element, className) {

    if (!(element = $(element))) return;

    return Element.classNames(element).include(className);

  },



  addClassName: function(element, className) {

    if (!(element = $(element))) return;

    return Element.classNames(element).add(className);

  },



  removeClassName: function(element, className) {

    if (!(element = $(element))) return;

    return Element.classNames(element).remove(className);

  },



  // removes whitespace-only text node children

  cleanWhitespace: function(element) {

    element = $(element);

    for (var i = 0; i < element.childNodes.length; i++) {

      var node = element.childNodes[i];

      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))

        Element.remove(node);

    }

  },



  empty: function(element) {

    return $(element).innerHTML.match(/^\s*$/);

  },



  childOf: function(element, ancestor) {

    element = $(element), ancestor = $(ancestor);

    while (element = element.parentNode)

      if (element == ancestor) return true;

    return false;

  },



  scrollTo: function(element) {

    element = $(element);

    var x = element.x ? element.x : element.offsetLeft,

        y = element.y ? element.y : element.offsetTop;

    window.scrollTo(x, y);

  },



  getStyle: function(element, style) {

    element = $(element);

	

    var value = element.style[style.camelize()];

	//alert(value)

    if (!value && value!= null && value !="undefined") {

      if (document.defaultView && document.defaultView.getComputedStyle) {

        var css = document.defaultView.getComputedStyle(element, null);

        value = css ? css.getPropertyValue(style) : null;

      } else if (element.currentStyle) {

        value = element.currentStyle[style.camelize()];

      }

    }



    if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))

      if (Element.getStyle(element, 'position') == 'static') value = 'auto';



    return value == 'auto' ? null : value;

  },



  setStyle: function(element, style) {

    element = $(element);

    for (var name in style)

      element.style[name.camelize()] = style[name];

  },



  getDimensions: function(element) {

    element = $(element);

    if (Element.getStyle(element, 'display') != 'none')

      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;

    els.visibility = 'hidden';

    els.position = 'absolute';

    els.display = '';

    var originalWidth = element.clientWidth;

    var originalHeight = element.clientHeight;

    els.display = 'none';

    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;

      }

    }

  },



  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 = '';

    }

  },



  makeClipping: function(element) {

    element = $(element);

    if (element._overflow) return;

    element._overflow = element.style.overflow;

    if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')

      element.style.overflow = 'hidden';

  },



  undoClipping: function(element) {

    element = $(element);

    if (element._overflow) return;

    element.style.overflow = element._overflow;

    element._overflow = undefined;

  }

}



Object.extend(Element, Element.Methods);



var _nativeExtensions = false;



if(!HTMLElement && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) {

  var HTMLElement = {}

  HTMLElement.prototype = document.createElement('div').__proto__;

}



Element.addMethods = function(methods) {

  Object.extend(Element.Methods, methods || {});



  if(typeof HTMLElement != 'undefined') {

    var methods = Element.Methods, cache = Element.extend.cache;

    for (property in methods) {

      var value = methods[property];

      if (typeof value == 'function')

        HTMLElement.prototype[property] = cache.findOrStore(value);

    }

    _nativeExtensions = true;

  }

}



Element.addMethods();



var Toggle = new Object();

Toggle.display = Element.toggle;



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



Abstract.Insertion = function(adjacency) {

  this.adjacency = adjacency;

}



Abstract.Insertion.prototype = {

  initialize: function(element, content) {

    this.element = $(element);

    this.content = content.stripScripts();



    if (this.adjacency && this.element.insertAdjacentHTML) {

      try {

        this.element.insertAdjacentHTML(this.adjacency, this.content);

      } catch (e) {

        var tagName = this.element.tagName.toLowerCase();

        if (tagName == 'tbody' || tagName == 'tr') {

          this.insertContent(this.contentFromAnonymousTable());

        } else {

          throw e;

        }

      }

    } else {

      this.range = this.element.ownerDocument.createRange();

      if (this.initializeRange) this.initializeRange();

      this.insertContent([this.range.createContextualFragment(this.content)]);

    }



    setTimeout(function() {content.evalScripts()}, 10);

  },



  contentFromAnonymousTable: function() {

    var div = document.createElement('div');

    div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';

    return $A(div.childNodes[0].childNodes[0].childNodes);

  }

}



var Insertion = new Object();



Insertion.Before = Class.create();

Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {

  initializeRange: function() {

    this.range.setStartBefore(this.element);

  },



  insertContent: function(fragments) {

    fragments.each((function(fragment) {

      this.element.parentNode.insertBefore(fragment, this.element);

    }).bind(this));

  }

});



Insertion.Top = Class.create();

Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {

  initializeRange: function() {

    this.range.selectNodeContents(this.element);

    this.range.collapse(true);

  },



  insertContent: function(fragments) {

    fragments.reverse(false).each((function(fragment) {

      this.element.insertBefore(fragment, this.element.firstChild);

    }).bind(this));

  }

});



Insertion.Bottom = Class.create();

Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {

  initializeRange: function() {

    this.range.selectNodeContents(this.element);

    this.range.collapse(this.element);

  },



  insertContent: function(fragments) {

    fragments.each((function(fragment) {

      this.element.appendChild(fragment);

    }).bind(this));

  }

});



Insertion.After = Class.create();

Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {

  initializeRange: function() {

    this.range.setStartAfter(this.element);

  },



  insertContent: function(fragments) {

    fragments.each((function(fragment) {

      this.element.parentNode.insertBefore(fragment,

        this.element.nextSibling);

    }).bind(this));

  }

});



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



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(this.toArray().concat(classNameToAdd).join(' '));

  },



  remove: function(classNameToRemove) {

    if (!this.include(classNameToRemove)) return;

    this.set(this.select(function(className) {

      return className != classNameToRemove;

    }).join(' '));

  },



  toString: function() {

    return this.toArray().join(' ');

  }

}



Object.extend(Element.ClassNames.prototype, Enumerable);

var Selector = Class.create();

Selector.prototype = {

  initialize: function(expression) {

    this.params = {classNames: []};

    this.expression = expression.toString().strip();

    this.parseExpression();

    this.compileMatcher();

  },



  parseExpression: function() {

    function abort(message) { throw 'Parse error in selector: ' + message; }



    if (this.expression == '')  abort('empty expression');



    var params = this.params, expr = this.expression, match, modifier, clause, rest;

    while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) {

      params.attributes = params.attributes || [];

      params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''});

      expr = match[1];

    }



    if (expr == '*') return this.params.wildcard = true;



    while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) {

      modifier = match[1], clause = match[2], rest = match[3];

      switch (modifier) {

        case '#':       params.id = clause; break;

        case '.':       params.classNames.push(clause); break;

        case '':

        case undefined: params.tagName = clause.toUpperCase(); break;

        default:        abort(expr.inspect());

      }

      expr = rest;

    }



    if (expr.length > 0) abort(expr.inspect());

  },



  buildMatchExpression: function() {

    var params = this.params, conditions = [], clause;



    if (params.wildcard)

      conditions.push('true');

    if (clause = params.id)

      conditions.push('element.id == ' + clause.inspect());

    if (clause = params.tagName)

      conditions.push('element.tagName.toUpperCase() == ' + clause.inspect());

    if ((clause = params.classNames).length > 0)

      for (var i = 0; i < clause.length; i++)

        conditions.push('Element.hasClassName(element, ' + clause[i].inspect() + ')');

    if (clause = params.attributes) {

      clause.each(function(attribute) {

        var value = 'element.getAttribute(' + attribute.name.inspect() + ')';

        var splitValueBy = function(delimiter) {

          return value + ' && ' + value + '.split(' + delimiter.inspect() + ')';

        }



        switch (attribute.operator) {

          case '=':       conditions.push(value + ' == ' + attribute.value.inspect()); break;

          case '~=':      conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break;

          case '|=':      conditions.push(

                            splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect()

                          ); break;

          case '!=':      conditions.push(value + ' != ' + attribute.value.inspect()); break;

          case '':

          case undefined: conditions.push(value + ' != null'); break;

          default:        throw 'Unknown operator ' + attribute.operator + ' in selector';

        }

      });

    }



    return conditions.join(' && ');

  },



  compileMatcher: function() {

    this.match = new Function('element', 'if (!element.tagName) return false; else return ' + this.buildMatchExpression());

  },



  findElements: function(scope) {

    var element;



    if (element = $(this.params.id))

      if (this.match(element))

        if (!scope || Element.childOf(element, scope))

          return [element];



    scope = (scope || document).getElementsByTagName(this.params.tagName || '*');



    var results = [];

    for (var i = 0; i < scope.length; i++)

      if (this.match(element = scope[i]))

        results.push(Element.extend(element));



    return results;

  },



  toString: function() {

    return this.expression;

  }

}



function $$() {

  return $A(arguments).map(function(expression) {

    return expression.strip().split(/\s+/).inject([null], function(results, expr) {

      var selector = new Selector(expr);

      return results.map(selector.findElements.bind(selector)).flatten();

    });

  }).flatten();

}

var Field = {

  clear: function() {

    for (var i = 0; i < arguments.length; i++)

      $(arguments[i]).value = '';

  },



  focus: function(element) {

    $(element).focus();

  },



  present: function() {

    for (var i = 0; i < arguments.length; i++)

      if ($(arguments[i]).value == '') return false;

    return true;

  },



  select: function(element) {

    $(element).select();

  },



  activate: function(element) {

    element = $(element);

    element.focus();

    if (element.select)

      element.select();

  }

}



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



var Form = {

  serialize: function(form) {

    var elements = Form.getElements($(form));

    var queryComponents = new Array();



    for (var i = 0; i < elements.length; i++) {

      var queryComponent = Form.Element.serialize(elements[i]);

      if (queryComponent)

        queryComponents.push(queryComponent);

    }



    return queryComponents.join('&');

  },



  getElements: function(form) {

    form = $(form);

    var elements = new Array();



    for (var tagName in Form.Element.Serializers) {

      var tagElements = form.getElementsByTagName(tagName);

      for (var j = 0; j < tagElements.length; j++)

        elements.push(tagElements[j]);

    }

    return elements;

  },



  getInputs: function(form, typeName, name) {

    form = $(form);

    var inputs = form.getElementsByTagName('input');



    if (!typeName && !name)

      return inputs;



    var matchingInputs = new Array();

    for (var i = 0; i < inputs.length; i++) {

      var input = inputs[i];

      if ((typeName && input.type != typeName) ||

          (name && input.name != name))

        continue;

      matchingInputs.push(input);

    }



    return matchingInputs;

  },



  disable: function(form) {

    var elements = Form.getElements(form);

    for (var i = 0; i < elements.length; i++) {

      var element = elements[i];

      element.blur();

      element.disabled = 'true';

    }

  },



  enable: function(form) {

    var elements = Form.getElements(form);

    for (var i = 0; i < elements.length; i++) {

      var element = elements[i];

      element.disabled = '';

    }

  },







  findFirstElement: function(form) {

    return Form.getElements(form).find(function(element) {

      return element.type != 'hidden' && !element.disabled &&

        ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());

    });

  },



  focusFirstElement: function(form) {

    Field.activate(Form.findFirstElement(form));

  },



  reset: function(form) {

    $(form).reset();

  }

}



Form.Element = {

  serialize: function(element) {

    element = $(element);

    var method = element.tagName.toLowerCase();

    var parameter = Form.Element.Serializers[method](element);



    if (parameter) {

      var key = encodeURIComponent(parameter[0]);

      if (key.length == 0) return;



      if (parameter[1].constructor != Array)

        parameter[1] = [parameter[1]];



      return parameter[1].map(function(value) {

        return key + '=' + encodeURIComponent(value);

      }).join('&');

    }

  },



  getValue: function(element) {

    element = $(element);

    var method = element.tagName.toLowerCase();

    var parameter = Form.Element.Serializers[method](element);



    if (parameter)

      return parameter[1];

  }

}



Form.Element.Serializers = {

  input: function(element) {

    switch (element.type.toLowerCase()) {

      case 'submit':

      case 'hidden':

      case 'password':

      case 'text':

        return Form.Element.Serializers.textarea(element);

      case 'checkbox':

        return Form.Element.Serializers.inputSelector(element);

      case 'radio':

        return Form.Element.Serializers.radioSelector(element);

    }

    return false;

  },



  inputSelector: function(element) {

    if (element.checked)

      return [element.name, element.value];

  },



  radioSelector: function(element) {

		var len = eval('element.form.'+element.name+'.length');

		for (var xi=0;xi<len;xi++)

			if(eval('element.form.' + element.name + '[' + xi + '].checked')) 

				return [element.name, eval('element.form.' + element.name + '[' + xi + '].value')];

		return '';

  },



	textarea: function(element) {

    return [element.name, element.value];

  },



  select: function(element) {

    return Form.Element.Serializers[element.type == 'select-one' ?

      'selectOne' : 'selectMany'](element);

  },



  selectOne: function(element) {

    var value = '', opt, index = element.selectedIndex;

    if (index >= 0) {

      opt = element.options[index];

      value = opt.value;

      if (!value && !('value' in opt))

        value = opt.text;

    }

    return [element.name, value];

  },



  selectMany: function(element) {

    var value = new Array();

    for (var i = 0; i < element.length; i++) {

      var opt = element.options[i];

      if (opt.selected) {

        var optValue = opt.value;

        if (!optValue && !('value' in opt))

          optValue = opt.text;

        value.push(optValue);

      }

    }

    return [element.name, value];

  }

}





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



var $F = Form.Element.getValue;



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



Abstract.TimedObserver = function() {}

Abstract.TimedObserver.prototype = {

  initialize: function(element, frequency, callback) {

    this.frequency = frequency;

    this.element   = $(element);

    this.callback  = callback;



    this.lastValue = this.getValue();

    this.registerCallback();

  },



  registerCallback: function() {

    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);

  },



  onTimerEvent: function() {

    var value = this.getValue();

    if (this.lastValue != value) {

      this.callback(this.element, value);

      this.lastValue = value;

    }

  }

}



Form.Element.Observer = Class.create();

Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {

  getValue: function() {

    return Form.Element.getValue(this.element);

  }

});



Form.Observer = Class.create();

Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {

  getValue: function() {

    return Form.serialize(this.element);

  }

});



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



Abstract.EventObserver = function() {}

Abstract.EventObserver.prototype = {

  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() {

    var elements = Form.getElements(this.element);

    for (var i = 0; i < elements.length; i++)

      this.registerCallback(elements[i]);

  },



  registerCallback: function(element) {

    if (element.type) {

      switch (element.type.toLowerCase()) {

        case 'checkbox':

        case 'radio':

          Event.observe(element, 'click', this.onElementEvent.bind(this));

          break;

        case 'password':

        case 'text':

        case 'textarea':

        case 'select-one':

        case 'select-multiple':

          Event.observe(element, 'change', this.onElementEvent.bind(this));

          break;

      }

    }

  }

}



Form.Element.EventObserver = Class.create();

Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {

  getValue: function() {

    return Form.Element.getValue(this.element);

  }

});



Form.EventObserver = Class.create();

Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {

  getValue: function() {

    return Form.serialize(this.element);

  }

});

if (!window.Event) {

  var Event = new Object();

}



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,



  element: function(event) {

    return event.target || event.srcElement;

  },



  isLeftClick: function(event) {

    return (((event.which) && (event.which == 1)) ||

            ((event.button) && (event.button == 1)));

  },



  pointerX: function(event) {

    return event.pageX || (event.clientX +

      (document.documentElement.scrollLeft || document.body.scrollLeft));

  },



  pointerY: function(event) {

    return event.pageY || (event.clientY +

      (document.documentElement.scrollTop || document.body.scrollTop));

  },



  stop: function(event) {

    if (event.preventDefault) {

      event.preventDefault();

      event.stopPropagation();

    } else {

      event.returnValue = false;

      event.cancelBubble = true;

    }

  },



  // find the first node with the given tagName, starting from the

  // node the event was triggered on; traverses the DOM upwards

  findElement: function(event, tagName) {

    var element = Event.element(event);

    while (element.parentNode && (!element.tagName ||

        (element.tagName.toUpperCase() != tagName.toUpperCase())))

      element = element.parentNode;

    return element;

  },



  observers: false,



  _observeAndCache: function(element, name, observer, useCapture) {

    if (!this.observers) this.observers = [];

    if (element.addEventListener) {

      this.observers.push([element, name, observer, useCapture]);

      element.addEventListener(name, observer, useCapture);

    } else if (element.attachEvent) {

      this.observers.push([element, name, observer, useCapture]);

      element.attachEvent('on' + name, observer);

    }

  },



  unloadCache: function() {

    if (!Event.observers) return;

    for (var i = 0; i < Event.observers.length; i++) {

      Event.stopObserving.apply(this, Event.observers[i]);

      Event.observers[i][0] = null;

    }

    Event.observers = false;

  },



  observe: function(element, name, observer, useCapture) {

    var element = $(element);

    useCapture = useCapture || false;



    if (name == 'keypress' &&

        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)

        || element.attachEvent))

      name = 'keydown';



    this._observeAndCache(element, name, observer, useCapture);

  },



  stopObserving: function(element, name, observer, useCapture) {

    var element = $(element);

    useCapture = useCapture || false;



    if (name == 'keypress' &&

        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)

        || element.detachEvent))

      name = 'keydown';



    if (element.removeEventListener) {

      element.removeEventListener(name, observer, useCapture);

    } else if (element.detachEvent) {

      element.detachEvent('on' + name, observer);

    }

  }

});



/* prevent memory leaks in IE */

if (navigator.appVersion.match(/\bMSIE\b/))

  Event.observe(window, 'unload', Event.unloadCache, false);

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;

  },



  realOffset: function(element) {

    var valueT = 0, valueL = 0;

    do {

      valueT += element.scrollTop  || 0;

      valueL += element.scrollLeft || 0;

      element = element.parentNode;

    } while (element);

    return [valueL, valueT];

  },



  cumulativeOffset: function(element) {

    var valueT = 0, valueL = 0;

    do {

      valueT += element.offsetTop  || 0;

      valueL += element.offsetLeft || 0;

      element = element.offsetParent;

    } while (element);

    return [valueL, valueT];

  },



  positionedOffset: function(element) {

    var valueT = 0, valueL = 0;

    do {

      valueT += element.offsetTop  || 0;

      valueL += element.offsetLeft || 0;

      element = element.offsetParent;

      if (element) {

        p = Element.getStyle(element, 'position');

        if (p == 'relative' || p == 'absolute') break;

      }

    } while (element);

    return [valueL, valueT];

  },



  offsetParent: 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;

  },



  // 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 = this.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 = this.realOffset(element);



    this.xcomp = x + offsetcache[0] - this.deltaX;

    this.ycomp = y + offsetcache[1] - this.deltaY;

    this.offset = this.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;

  },



  clone: function(source, target) {

    source = $(source);

    target = $(target);

    target.style.position = 'absolute';

    var offsets = this.cumulativeOffset(source);

    target.style.top    = offsets[1] + 'px';

    target.style.left   = offsets[0] + 'px';

    target.style.width  = source.offsetWidth + 'px';

    target.style.height = source.offsetHeight + 'px';

  },



  page: 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)

        if (Element.getStyle(element,'position')=='absolute') break;



    } while (element = element.offsetParent);



    element = forElement;

    do {

      valueT -= element.scrollTop  || 0;

      valueL -= element.scrollLeft || 0;

    } while (element = element.parentNode);



    return [valueL, valueT];

  },



  clone: function(source, target) {

    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 = Position.page(source);



    // find coordinate system to use

    target = $(target);

    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(target,'position') == 'absolute') {

      parent = Position.offsetParent(target);

      delta = Position.page(parent);

    }



    // 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)   target.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';

    if(options.setTop)    target.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';

    if(options.setWidth)  target.style.width = source.offsetWidth + 'px';

    if(options.setHeight) target.style.height = source.offsetHeight + 'px';

  },



  absolutize: function(element) {

    element = $(element);

    if (element.style.position == 'absolute') return;

    Position.prepare();



    var offsets = Position.positionedOffset(element);

    var top     = offsets[1];

    var left    = offsets[0];

    var width   = element.clientWidth;

    var height  = element.clientHeight;



    element._originalLeft   = left - parseFloat(element.style.left  || 0);

    element._originalTop    = top  - parseFloat(element.style.top || 0);

    element._originalWidth  = element.style.width;

    element._originalHeight = element.style.height;



    element.style.position = 'absolute';

    element.style.top    = top + 'px';;

    element.style.left   = left + 'px';;

    element.style.width  = width + 'px';;

    element.style.height = height + 'px';;

  },



  relativize: function(element) {

    element = $(element);

    if (element.style.position == 'relative') return;

    Position.prepare();



    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;

  }

}



// Safari returns margins on body which is incorrect if the child is absolutely

// positioned.  For performance reasons, redefine Position.cumulativeOffset for

// KHTML/WebKit only.

if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {

  Position.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 [valueL, valueT];

  }

}

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

// Contributors:

//  Justin Palmer (http://encytemedia.com/)

//  Mark Pilgrim (http://diveintomark.org/)

//  Martin Bialasinki

// 

// See scriptaculous.js for full license.  



// converts rgb() and #xxx to #xxxxxx format,  

// returns self (or first argument) if not convertable  

String.prototype.parseColor = function() {  

  var color = '#';  

  if(this.slice(0,4) == 'rgb(') {  

    var cols = this.slice(4,this.length-1).split(',');  

    var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);  

  } else {  

    if(this.slice(0,1) == '#') {  

      if(this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();  

      if(this.length==7) color = this.toLowerCase();  

    }  

  }  

  return(color.length==7 ? color : (arguments[0] || this));  

}



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



Element.collectTextNodes = function(element) {  

  return $A($(element).childNodes).collect( function(node) {

    return (node.nodeType==3 ? node.nodeValue : 

      (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));

  }).flatten().join('');

}



Element.collectTextNodesIgnoreClass = function(element, className) {  

  return $A($(element).childNodes).collect( function(node) {

    return (node.nodeType==3 ? node.nodeValue : 

      ((node.hasChildNodes() && !Element.hasClassName(node,className)) ? 

        Element.collectTextNodesIgnoreClass(node, className) : ''));

  }).flatten().join('');

}



Element.setContentZoom = function(element, percent) {

  element = $(element);  

  Element.setStyle(element, {fontSize: (percent/100) + 'em'});   

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

}



Element.getOpacity = function(element){  

  var opacity;

  if (opacity = Element.getStyle(element, 'opacity'))  

    return parseFloat(opacity);  

  if (opacity = (Element.getStyle(element, 'filter') || '').match(/alpha\(opacity=(.*)\)/))  

    if(opacity[1]) return parseFloat(opacity[1]) / 100;  

  return 1.0;  

}



Element.setOpacity = function(element, value){  

  element= $(element);  

  if (value == 1){

    Element.setStyle(element, { opacity: 

      (/Gecko/.test(navigator.userAgent) && !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 

      0.999999 : null });

    if(/MSIE/.test(navigator.userAgent))  

      Element.setStyle(element, {filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'')});  

  } else {  

    if(value < 0.00001) value = 0;  

    Element.setStyle(element, {opacity: value});

    if(/MSIE/.test(navigator.userAgent))  

     Element.setStyle(element, 

       { filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'') +

                 'alpha(opacity='+value*100+')' });  

  }

}  

 

Element.getInlineOpacity = function(element){  

  return $(element).style.opacity || '';

}  



Element.childrenWithClassName = function(element, className, findFirst) {

  var classNameRegExp = new RegExp("(^|\\s)" + className + "(\\s|$)");

  var results = $A($(element).getElementsByTagName('*'))[findFirst ? 'detect' : 'select']( function(c) { 

    return (c.className && c.className.match(classNameRegExp));

  });

  if(!results) results = [];

  return results;

}



Element.forceRerendering = function(element) {

  try {

    element = $(element);

    var n = document.createTextNode(' ');

    element.appendChild(n);

    element.removeChild(n);

  } catch(e) { }

};



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



Array.prototype.call = function() {

  var args = arguments;

  this.each(function(f){ f.apply(this, args) });

}



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



var Effect = {

  tagifyText: function(element) {

    var tagifyStyle = 'position:relative';

    if(/MSIE/.test(navigator.userAgent)) tagifyStyle += ';zoom:1';

    element = $(element);

    $A(element.childNodes).each( function(child) {

      if(child.nodeType==3) {

        child.nodeValue.toArray().each( function(character) {

          element.insertBefore(

            Builder.node('span',{style: tagifyStyle},

              character == ' ' ? String.fromCharCode(160) : character), 

              child);

        });

        Element.remove(child);

      }

    });

  },

  multiple: function(element, effect) {

    var elements;

    if(((typeof element == 'object') || 

        (typeof element == 'function')) && 

       (element.length))

      elements = element;

    else

      elements = $(element).childNodes;

      

    var options = Object.extend({

      speed: 0.1,

      delay: 0.0

    }, arguments[2] || {});

    var masterDelay = options.delay;



    $A(elements).each( function(element, index) {

      new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));

    });

  },

  PAIRS: {

    'slide':  ['SlideDown','SlideUp'],

    'blind':  ['BlindDown','BlindUp'],

    'appear': ['Appear','Fade']

  },

  toggle: function(element, effect) {

    element = $(element);

    effect = (effect || 'appear').toLowerCase();

    var options = Object.extend({

      queue: { position:'end', scope:(element.id || 'global'), limit: 1 }

    }, arguments[2] || {});

    Effect[element.visible() ? 

      Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);

  }

};



var Effect2 = Effect; // deprecated



/* ------------- transitions ------------- */



Effect.Transitions = {}



Effect.Transitions.linear = function(pos) {

  return pos;

}

Effect.Transitions.sinoidal = function(pos) {

  return (-Math.cos(pos*Math.PI)/2) + 0.5;

}

Effect.Transitions.reverse  = function(pos) {

  return 1-pos;

}

Effect.Transitions.flicker = function(pos) {

  return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;

}

Effect.Transitions.wobble = function(pos) {

  return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;

}

Effect.Transitions.pulse = function(pos) {

  return (Math.floor(pos*10) % 2 == 0 ? 

    (pos*10-Math.floor(pos*10)) : 1-(pos*10-Math.floor(pos*10)));

}

Effect.Transitions.none = function(pos) {

  return 0;

}

Effect.Transitions.full = function(pos) {

  return 1;

}



/* ------------- core effects ------------- */



Effect.ScopedQueue = Class.create();

Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), {

  initialize: function() {

    this.effects  = [];

    this.interval = null;

  },

  _each: function(iterator) {

    this.effects._each(iterator);

  },

  add: function(effect) {

    var timestamp = new Date().getTime();

    

    var position = (typeof effect.options.queue == 'string') ? 

      effect.options.queue : effect.options.queue.position;

    

    switch(position) {

      case 'front':

        // move unstarted effects after this effect  

        this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {

            e.startOn  += effect.finishOn;

            e.finishOn += effect.finishOn;

          });

        break;

      case 'end':

        // start effect after last queued effect has finished

        timestamp = this.effects.pluck('finishOn').max() || timestamp;

        break;

    }

    

    effect.startOn  += timestamp;

    effect.finishOn += timestamp;



    if(!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))

      this.effects.push(effect);

    

    if(!this.interval) 

      this.interval = setInterval(this.loop.bind(this), 40);

  },

  remove: function(effect) {

    this.effects = this.effects.reject(function(e) { return e==effect });

    if(this.effects.length == 0) {

      clearInterval(this.interval);

      this.interval = null;

    }

  },

  loop: function() {

    var timePos = new Date().getTime();

    this.effects.invoke('loop', timePos);

  }

});



Effect.Queues = {

  instances: $H(),

  get: function(queueName) {

    if(typeof queueName != 'string') return queueName;

    

    if(!this.instances[queueName])

      this.instances[queueName] = new Effect.ScopedQueue();

      

    return this.instances[queueName];

  }

}

Effect.Queue = Effect.Queues.get('global');



Effect.DefaultOptions = {

  transition: Effect.Transitions.sinoidal,

  duration:   1.0,   // seconds

  fps:        25.0,  // max. 25fps due to Effect.Queue implementation

  sync:       false, // true for combining

  from:       0.0,

  to:         1.0,

  delay:      0.0,

  queue:      'parallel'

}



Effect.Base = function() {};

Effect.Base.prototype = {

  position: null,

  start: function(options) {

    this.options      = Object.extend(Object.extend({},Effect.DefaultOptions), options || {});

    this.currentFrame = 0;

    this.state        = 'idle';

    this.startOn      = this.options.delay*1000;

    this.finishOn     = this.startOn + (this.options.duration*1000);

    this.event('beforeStart');

    if(!this.options.sync)

      Effect.Queues.get(typeof this.options.queue == 'string' ? 

        'global' : this.options.queue.scope).add(this);

  },

  loop: function(timePos) {

    if(timePos >= this.startOn) {

      if(timePos >= this.finishOn) {

        this.render(1.0);

        this.cancel();

        this.event('beforeFinish');

        if(this.finish) this.finish(); 

        this.event('afterFinish');

        return;  

      }

      var pos   = (timePos - this.startOn) / (this.finishOn - this.startOn);

      var frame = Math.round(pos * this.options.fps * this.options.duration);

      if(frame > this.currentFrame) {

        this.render(pos);

        this.currentFrame = frame;

      }

    }

  },

  render: function(pos) {

    if(this.state == 'idle') {

      this.state = 'running';

      this.event('beforeSetup');

      if(this.setup) this.setup();

      this.event('afterSetup');

    }

    if(this.state == 'running') {

      if(this.options.transition) pos = this.options.transition(pos);

      pos *= (this.options.to-this.options.from);

      pos += this.options.from;

      this.position = pos;

      this.event('beforeUpdate');

      if(this.update) this.update(pos);

      this.event('afterUpdate');

    }

  },

  cancel: function() {

    if(!this.options.sync)

      Effect.Queues.get(typeof this.options.queue == 'string' ? 

        'global' : this.options.queue.scope).remove(this);

    this.state = 'finished';

  },

  event: function(eventName) {

    if(this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);

    if(this.options[eventName]) this.options[eventName](this);

  },

  inspect: function() {

    return '#<Effect:' + $H(this).inspect() + ',options:' + $H(this.options).inspect() + '>';

  }

}



Effect.Parallel = Class.create();

Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {

  initialize: function(effects) {

    this.effects = effects || [];

    this.start(arguments[1]);

  },

  update: function(position) {

    this.effects.invoke('render', position);

  },

  finish: function(position) {

    this.effects.each( function(effect) {

      effect.render(1.0);

      effect.cancel();

      effect.event('beforeFinish');

      if(effect.finish) effect.finish(position);

      effect.event('afterFinish');

    });

  }

});



Effect.Opacity = Class.create();

Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {

  initialize: function(element) {

    this.element = $(element);

    // make this work on IE on elements without 'layout'

    if(/MSIE/.test(navigator.userAgent) && (!this.element.hasLayout))

      this.element.setStyle({zoom: 1});

    var options = Object.extend({

      from: this.element.getOpacity() || 0.0,

      to:   1.0

    }, arguments[1] || {});

    this.start(options);

  },

  update: function(position) {

    this.element.setOpacity(position);

  }

});



Effect.Move = Class.create();

Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {

  initialize: function(element) {

    this.element = $(element);

    var options = Object.extend({

      x:    0,

      y:    0,

      mode: 'relative'

    }, arguments[1] || {});

    this.start(options);

  },

  setup: function() {

    // Bug in Opera: Opera returns the "real" position of a static element or

    // relative element that does not have top/left explicitly set.

    // ==> Always set top and left for position relative elements in your stylesheets 

    // (to 0 if you do not need them) 

    this.element.makePositioned();

    this.originalLeft = parseFloat(this.element.getStyle('left') || '0');

    this.originalTop  = parseFloat(this.element.getStyle('top')  || '0');

    if(this.options.mode == 'absolute') {

      // absolute movement, so we need to calc deltaX and deltaY

      this.options.x = this.options.x - this.originalLeft;

      this.options.y = this.options.y - this.originalTop;

    }

  },

  update: function(position) {

    this.element.setStyle({

      left: this.options.x  * position + this.originalLeft + 'px',

      top:  this.options.y  * position + this.originalTop  + 'px'

    });

  }

});



// for backwards compatibility

Effect.MoveBy = function(element, toTop, toLeft) {

  return new Effect.Move(element, 

    Object.extend({ x: toLeft, y: toTop }, arguments[3] || {}));

};



Effect.Scale = Class.create();

Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {

  initialize: function(element, percent) {

    this.element = $(element)

    var options = Object.extend({

      scaleX: true,

      scaleY: true,

      scaleContent: true,

      scaleFromCenter: false,

      scaleMode: 'box',        // 'box' or 'contents' or {} with provided values

      scaleFrom: 100.0,

      scaleTo:   percent

    }, arguments[2] || {});

    this.start(options);

  },

  setup: function() {

    this.restoreAfterFinish = this.options.restoreAfterFinish || false;

    this.elementPositioning = this.element.getStyle('position');

    

    this.originalStyle = {};

    ['top','left','width','height','fontSize'].each( function(k) {

      this.originalStyle[k] = this.element.style[k];

    }.bind(this));

      

    this.originalTop  = this.element.offsetTop;

    this.originalLeft = this.element.offsetLeft;

    

    var fontSize = this.element.getStyle('font-size') || '100%';

    ['em','px','%'].each( function(fontSizeType) {

      if(fontSize.indexOf(fontSizeType)>0) {

        this.fontSize     = parseFloat(fontSize);

        this.fontSizeType = fontSizeType;

      }

    }.bind(this));

    

    this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;

    

    this.dims = null;

    if(this.options.scaleMode=='box')

      this.dims = [this.element.offsetHeight, this.element.offsetWidth];

    if(/^content/.test(this.options.scaleMode))

      this.dims = [this.element.scrollHeight, this.element.scrollWidth];

    if(!this.dims)

      this.dims = [this.options.scaleMode.originalHeight,

                   this.options.scaleMode.originalWidth];

  },

  update: function(position) {

    var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);

    if(this.options.scaleContent && this.fontSize)

      this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });

    this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);

  },

  finish: function(position) {

    if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);

  },

  setDimensions: function(height, width) {

    var d = {};

    if(this.options.scaleX) d.width = width + 'px';

    if(this.options.scaleY) d.height = height + 'px';

    if(this.options.scaleFromCenter) {

      var topd  = (height - this.dims[0])/2;

      var leftd = (width  - this.dims[1])/2;

      if(this.elementPositioning == 'absolute') {

        if(this.options.scaleY) d.top = this.originalTop-topd + 'px';

        if(this.options.scaleX) d.left = this.originalLeft-leftd + 'px';

      } else {

        if(this.options.scaleY) d.top = -topd + 'px';

        if(this.options.scaleX) d.left = -leftd + 'px';

      }

    }

    this.element.setStyle(d);

  }

});



Effect.Highlight = Class.create();

Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {

  initialize: function(element) {

    this.element = $(element);

    var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || {});

    this.start(options);

  },

  setup: function() {

    // Prevent executing on elements not in the layout flow

    if(this.element.getStyle('display')=='none') { this.cancel(); return; }

    // Disable background image during the effect

    this.oldStyle = {

      backgroundImage: this.element.getStyle('background-image') };

    this.element.setStyle({backgroundImage: 'none'});

    if(!this.options.endcolor)

      this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');

    if(!this.options.restorecolor)

      this.options.restorecolor = this.element.getStyle('background-color');

    // init color calculations

    this._base  = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));

    this._delta = $R(0,2).map(function(i){ return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i] }.bind(this));

  },

  update: function(position) {

    this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){

      return m+(Math.round(this._base[i]+(this._delta[i]*position)).toColorPart()); }.bind(this)) });

  },

  finish: function() {

    this.element.setStyle(Object.extend(this.oldStyle, {

      backgroundColor: this.options.restorecolor

    }));

  }

});



Effect.ScrollTo = Class.create();

Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), {

  initialize: function(element) {

    this.element = $(element);

    this.start(arguments[1] || {});

  },

  setup: function() {

    Position.prepare();

    var offsets = Position.cumulativeOffset(this.element);

    if(this.options.offset) offsets[1] += this.options.offset;

    var max = window.innerHeight ? 

      window.height - window.innerHeight :

      document.body.scrollHeight - 

        (document.documentElement.clientHeight ? 

          document.documentElement.clientHeight : document.body.clientHeight);

    this.scrollStart = Position.deltaY;

    this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;

  },

  update: function(position) {

    Position.prepare();

    window.scrollTo(Position.deltaX, 

      this.scrollStart + (position*this.delta));

  }

});



/* ------------- combination effects ------------- */



Effect.Fade = function(element) {

  element = $(element);

  var oldOpacity = element.getInlineOpacity();

  var options = Object.extend({

  from: element.getOpacity() || 1.0,

  to:   0.0,

  afterFinishInternal: function(effect) { 

    if(effect.options.to!=0) return;

    effect.element.hide();

    effect.element.setStyle({opacity: oldOpacity}); 

  }}, arguments[1] || {});

  return new Effect.Opacity(element,options);

}



Effect.Appear = function(element) {

  element = $(element);

  var options = Object.extend({

  from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),

  to:   1.0,

  // force Safari to render floated elements properly

  afterFinishInternal: function(effect) {

    effect.element.forceRerendering();

  },

  beforeSetup: function(effect) {

    effect.element.setOpacity(effect.options.from);

    effect.element.show(); 

  }}, arguments[1] || {});

  return new Effect.Opacity(element,options);

}



Effect.Puff = function(element) {

  element = $(element);

  var oldStyle = { opacity: element.getInlineOpacity(), position: element.getStyle('position') };

  return new Effect.Parallel(

   [ new Effect.Scale(element, 200, 

      { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }), 

     new Effect.Opacity(element, { sync: true, to: 0.0 } ) ], 

     Object.extend({ duration: 1.0, 

      beforeSetupInternal: function(effect) {

        effect.effects[0].element.setStyle({position: 'absolute'}); },

      afterFinishInternal: function(effect) {

         effect.effects[0].element.hide();

         effect.effects[0].element.setStyle(oldStyle); }

     }, arguments[1] || {})

   );

}





Effect.SwitchOff = function(element) {

  element = $(element);

  var oldOpacity = element.getInlineOpacity();

  return new Effect.Appear(element, { 

    duration: 0.4,

    from: 0,

    transition: Effect.Transitions.flicker,

    afterFinishInternal: function(effect) {

      new Effect.Scale(effect.element, 1, { 

        duration: 0.3, scaleFromCenter: true,

        scaleX: false, scaleContent: false, restoreAfterFinish: true,

        beforeSetup: function(effect) { 

          effect.element.makePositioned();

          effect.element.makeClipping();

        },

        afterFinishInternal: function(effect) {

          effect.element.hide();

          effect.element.undoClipping();

          effect.element.undoPositioned();

          effect.element.setStyle({opacity: oldOpacity});

        }

      })

    }

  });

}



Effect.DropOut = function(element) {

  element = $(element);

  var oldStyle = {

    top: element.getStyle('top'),

    left: element.getStyle('left'),

    opacity: element.getInlineOpacity() };

  return new Effect.Parallel(

    [ new Effect.Move(element, {x: 0, y: 100, sync: true }), 

      new Effect.Opacity(element, { sync: true, to: 0.0 }) ],

    Object.extend(

      { duration: 0.5,

        beforeSetup: function(effect) {

          effect.effects[0].element.makePositioned(); 

        },

        afterFinishInternal: function(effect) {

          effect.effects[0].element.hide();

          effect.effects[0].element.undoPositioned();

          effect.effects[0].element.setStyle(oldStyle);

        } 

      }, arguments[1] || {}));

}



Effect.Shake = function(element) {

  element = $(element);

  var oldStyle = {

    top: element.getStyle('top'),

    left: element.getStyle('left') };

    return new Effect.Move(element, 

      { x:  20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {

    new Effect.Move(effect.element,

      { x: -40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {

    new Effect.Move(effect.element,

      { x:  40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {

    new Effect.Move(effect.element,

      { x: -40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {

    new Effect.Move(effect.element,

      { x:  40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {

    new Effect.Move(effect.element,

      { x: -20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {

        effect.element.undoPositioned();

        effect.element.setStyle(oldStyle);

  }}) }}) }}) }}) }}) }});

}



Effect.SlideDown = function(element) {

  element = $(element);

  element.cleanWhitespace();

  // SlideDown need to have the content of the element wrapped in a container element with fixed height!

  var oldInnerBottom = $(element.firstChild).getStyle('bottom');

  var elementDimensions = element.getDimensions();

  return new Effect.Scale(element, 100, Object.extend({ 

    scaleContent: false, 

    scaleX: false, 

    scaleFrom: window.opera ? 0 : 1,

    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},

    restoreAfterFinish: true,

    afterSetup: function(effect) {

      effect.element.makePositioned();

      effect.element.firstChild.makePositioned();

      if(window.opera) effect.element.setStyle({top: ''});

      effect.element.makeClipping();

      effect.element.setStyle({height: '0px'});

      effect.element.show(); },

    afterUpdateInternal: function(effect) {

      effect.element.firstChild.setStyle({bottom:

        (effect.dims[0] - effect.element.clientHeight) + 'px' }); 

    },

    afterFinishInternal: function(effect) {

      effect.element.undoClipping(); 

      // IE will crash if child is undoPositioned first

      if(/MSIE/.test(navigator.userAgent)){

        effect.element.undoPositioned();

        effect.element.firstChild.undoPositioned();

      }else{

        effect.element.firstChild.undoPositioned();

        effect.element.undoPositioned();

      }

      effect.element.firstChild.setStyle({bottom: oldInnerBottom}); }

    }, arguments[1] || {})

  );

}

  

Effect.SlideUp = function(element) {

  element = $(element);

  element.cleanWhitespace();

  var oldInnerBottom = $(element.firstChild).getStyle('bottom');

  return new Effect.Scale(element, window.opera ? 0 : 1,

   Object.extend({ scaleContent: false, 

    scaleX: false, 

    scaleMode: 'box',

    scaleFrom: 100,

    restoreAfterFinish: true,

    beforeStartInternal: function(effect) {

      effect.element.makePositioned();

      effect.element.firstChild.makePositioned();

      if(window.opera) effect.element.setStyle({top: ''});

      effect.element.makeClipping();

      effect.element.show(); },  

    afterUpdateInternal: function(effect) {

      effect.element.firstChild.setStyle({bottom:

        (effect.dims[0] - effect.element.clientHeight) + 'px' }); },

    afterFinishInternal: function(effect) {

      effect.element.hide();

      effect.element.undoClipping();

      effect.element.firstChild.undoPositioned();

      effect.element.undoPositioned();

      effect.element.setStyle({bottom: oldInnerBottom}); }

   }, arguments[1] || {})

  );

}



// Bug in opera makes the TD containing this element expand for a instance after finish 

Effect.Squish = function(element) {

  return new Effect.Scale(element, window.opera ? 1 : 0, 

    { restoreAfterFinish: true,

      beforeSetup: function(effect) {

        effect.element.makeClipping(effect.element); },  

      afterFinishInternal: function(effect) {

        effect.element.hide(effect.element); 

        effect.element.undoClipping(effect.element); }

  });

}



Effect.Grow = function(element) {

  element = $(element);

  var options = Object.extend({

    direction: 'center',

    moveTransition: Effect.Transitions.sinoidal,

    scaleTransition: Effect.Transitions.sinoidal,

    opacityTransition: Effect.Transitions.full

  }, arguments[1] || {});

  var oldStyle = {

    top: element.style.top,

    left: element.style.left,

    height: element.style.height,

    width: element.style.width,

    opacity: element.getInlineOpacity() };



  var dims = element.getDimensions();    

  var initialMoveX, initialMoveY;

  var moveX, moveY;

  

  switch (options.direction) {

    case 'top-left':

      initialMoveX = initialMoveY = moveX = moveY = 0; 

      break;

    case 'top-right':

      initialMoveX = dims.width;

      initialMoveY = moveY = 0;

      moveX = -dims.width;

      break;

    case 'bottom-left':

      initialMoveX = moveX = 0;

      initialMoveY = dims.height;

      moveY = -dims.height;

      break;

    case 'bottom-right':

      initialMoveX = dims.width;

      initialMoveY = dims.height;

      moveX = -dims.width;

      moveY = -dims.height;

      break;

    case 'center':

      initialMoveX = dims.width / 2;

      initialMoveY = dims.height / 2;

      moveX = -dims.width / 2;

      moveY = -dims.height / 2;

      break;

  }

  

  return new Effect.Move(element, {

    x: initialMoveX,

    y: initialMoveY,

    duration: 0.01, 

    beforeSetup: function(effect) {

      effect.element.hide();

      effect.element.makeClipping();

      effect.element.makePositioned();

    },

    afterFinishInternal: function(effect) {

      new Effect.Parallel(

        [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),

          new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),

          new Effect.Scale(effect.element, 100, {

            scaleMode: { originalHeight: dims.height, originalWidth: dims.width }, 

            sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})

        ], Object.extend({

             beforeSetup: function(effect) {

               effect.effects[0].element.setStyle({height: '0px'});

               effect.effects[0].element.show(); 

             },

             afterFinishInternal: function(effect) {

               effect.effects[0].element.undoClipping();

               effect.effects[0].element.undoPositioned();

               effect.effects[0].element.setStyle(oldStyle); 

             }

           }, options)

      )

    }

  });

}



Effect.Shrink = function(element) {

  element = $(element);

  var options = Object.extend({

    direction: 'center',

    moveTransition: Effect.Transitions.sinoidal,

    scaleTransition: Effect.Transitions.sinoidal,

    opacityTransition: Effect.Transitions.none

  }, arguments[1] || {});

  var oldStyle = {

    top: element.style.top,

    left: element.style.left,

    height: element.style.height,

    width: element.style.width,

    opacity: element.getInlineOpacity() };



  var dims = element.getDimensions();

  var moveX, moveY;

  

  switch (options.direction) {

    case 'top-left':

      moveX = moveY = 0;

      break;

    case 'top-right':

      moveX = dims.width;

      moveY = 0;

      break;

    case 'bottom-left':

      moveX = 0;

      moveY = dims.height;

      break;

    case 'bottom-right':

      moveX = dims.width;

      moveY = dims.height;

      break;

    case 'center':  

      moveX = dims.width / 2;

      moveY = dims.height / 2;

      break;

  }

  

  return new Effect.Parallel(

    [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),

      new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),

      new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })

    ], Object.extend({            

         beforeStartInternal: function(effect) {

           effect.effects[0].element.makePositioned();

           effect.effects[0].element.makeClipping(); },

         afterFinishInternal: function(effect) {

           effect.effects[0].element.hide();

           effect.effects[0].element.undoClipping();

           effect.effects[0].element.undoPositioned();

           effect.effects[0].element.setStyle(oldStyle); }

       }, options)

  );

}



Effect.Pulsate = function(element) {

  element = $(element);

  var options    = arguments[1] || {};

  var oldOpacity = element.getInlineOpacity();

  var transition = options.transition || Effect.Transitions.sinoidal;

  var reverser   = function(pos){ return transition(1-Effect.Transitions.pulse(pos)) };

  reverser.bind(transition);

  return new Effect.Opacity(element, 

    Object.extend(Object.extend({  duration: 3.0, from: 0,

      afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }

    }, options), {transition: reverser}));

}



Effect.Fold = function(element) {

  element = $(element);

  var oldStyle = {

    top: element.style.top,

    left: element.style.left,

    width: element.style.width,

    height: element.style.height };

  Element.makeClipping(element);

  return new Effect.Scale(element, 5, Object.extend({   

    scaleContent: false,

    scaleX: false,

    afterFinishInternal: function(effect) {

    new Effect.Scale(element, 1, { 

      scaleContent: false, 

      scaleY: false,

      afterFinishInternal: function(effect) {

        effect.element.hide();

        effect.element.undoClipping(); 

        effect.element.setStyle(oldStyle);

      } });

  }}, arguments[1] || {}));

};



['setOpacity','getOpacity','getInlineOpacity','forceRerendering','setContentZoom',

 'collectTextNodes','collectTextNodesIgnoreClass','childrenWithClassName'].each( 

  function(f) { Element.Methods[f] = Element[f]; }

);



Element.Methods.visualEffect = function(element, effect, options) {

  s = effect.gsub(/_/, '-').camelize();

  effect_class = s.charAt(0).toUpperCase() + s.substring(1);

  new Effect[effect_class](element, options);

  return $(element);

};



Element.addMethods();// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)





// Array.concat() - Join two arrays

if( typeof Array.prototype.concat==='undefined' ) {

 Array.prototype.concat = function( a ) {

  for( var i = 0, b = this.copy(); i<a.length; i++ ) {

   b[b.length] = a[i];

  }

  return b;

  };

}



// Array.copy() - Copy an array

if( typeof Array.prototype.copy==='undefined' ) {

 Array.prototype.copy = function() {

  var a = [], i = this.length;

  while( i-- ) {

   a[i] = typeof this[i].copy!=='undefined' ? this[i].copy() : this[i];

  }

  return a;

 };

}



// Array.pop() - Remove and return the last element of an array

if( typeof Array.prototype.pop==='undefined' ) {

 Array.prototype.pop = function() {

  var b = this[this.length-1];

  this.length--;

  return b;

 };

}



// Array.push() - Add an element to the end of an array, return the new length

if( typeof Array.prototype.push==='undefined' ) {

 Array.prototype.push = function() {

  for( var i = 0, b = this.length, a = arguments, l = a.length; i<l; i++ ) {

   this[b+i] = a[i];

  }

  return this.length;

 };

}



// Array.shift() - Remove and return the first element

if( typeof Array.prototype.shift==='undefined' ) {

 Array.prototype.shift = function() {

  for( var i = 0, b = this[0], l = this.length-1; i<l; i++ ) {

   this[i] = this[i+1];

  }

  this.length--;

  return b;

 };

}



// Array.slice() - Copy and return several elements

if( typeof Array.prototype.slice==='undefined' ) {

 Array.prototype.slice = function( a, c ) {

  var i, l = this.length, r = [];

  if( !c ) { c = l; }

  if( c<0 ) { c = l + c; }

  if( a<0 ) { a = l - a; }

  if( c<a ) { i = a; a = c; c = i; }

  for( i = 0; i < c - a; i++ ) { r[i] = this[a+i]; }

  return r;

 };

}



// Array.splice() - Remove or replace several elements and return any deleted elements

if( typeof Array.prototype.splice==='undefined' ) {

 Array.prototype.splice = function( a, c ) {

  var i = 0, e = arguments, d = this.copy(), f = a, l = this.length;

  if( !c ) { c = l - a; }

  for( i; i < e.length - 2; i++ ) { this[a + i] = e[i + 2]; }

  for( a; a < l - c; a++ ) { this[a + e.length - 2] = d[a - c]; }

  this.length -= c - e.length + 2;

  return d.slice( f, f + c );

 };

}



// Array.unshift() - Add an element to the beginning of an array

if( typeof Array.prototype.unshift==='undefined' ) {

 Array.prototype.unshift = function() {

  this.reverse();

  var a = arguments, i = a.length;

  while(i--) { this.push(a[i]); }

  this.reverse();

  return this.length;

 };

}



// -- 4umi additional functions



// Array.forEach( function ) - Apply a function to each element

Array.prototype.forEach = function( f ) {

 var i = this.length, j, l = this.length;

 for( i=0; i<l; i++ ) { if( ( j = this[i] ) ) { f( j ); } }

};



// Array.indexOf( value, begin, strict ) - Return index of the first element that matches value

Array.prototype.indexOf = function( v, b, s ) {

 for( var i = +b || 0, l = this.length; i < l; i++ ) {

  if( this[i]===v || s && this[i]==v ) { return i; }

 }

 return -1;

};



// Array.insert( index, value ) - Insert value at index, without overwriting existing keys

Array.prototype.insert = function( i, v ) {

 if( i>=0 ) {

  var a = this.slice(), b = a.splice( i );

  a[i] = v;

  return a.concat( b );

 }

};



// Array.lastIndexOf( value, begin, strict ) - Return index of the last element that matches value

Array.prototype.lastIndexOf = function( v, b, s ) {

 b = +b || 0;

 var i = this.length; while(i-->b) {

  if( this[i]===v || s && this[i]==v ) { return i; }

 }

 return -1;

};



// Array.random( range ) - Return a random element, optionally up to or from range

Array.prototype.random = function( r ) {

 var i = 0, l = this.length;

 if( !r ) { r = this.length; }

 else if( r > 0 ) { r = r % l; }

 else { i = r; r = l + r % l; }

 return this[ Math.floor( r * Math.random() - i ) ];

};



// Array.shuffle( deep ) - Randomly interchange elements

Array.prototype.shuffle = function( b ) {

 var i = this.length, j, t;

 while( i ) {

  j = Math.floor( ( i-- ) * Math.random() );

  t = b && typeof this[i].shuffle!=='undefined' ? this[i].shuffle() : this[i];

  this[i] = this[j];

  this[j] = t;

 }

 return this;

};



// Array.unique( strict ) - Remove duplicate values

Array.prototype.unique = function( b ) {

 var a = [], i, l = this.length;

 for( i=0; i<l; i++ ) {

  if( a.indexOf( this[i], 0, b ) < 0 ) { a.push( this[i] ); }

 }

 return a;

};



// Array.walk() - Change each value according to a callback function

Array.prototype.walk = function( f ) {

 var a = [], i = this.length;

 while(i--) { a.push( f( this[i] ) ); }

 return a.reverse();

};

//////////////////////////////////////////////////////////////////////////////

var ie5=document.all && !window.opera

var ns6=document.getElementById



if (ie5||ns6)

document.write('<div id="popitmenu" onMouseover="clearhidemenu();" onMouseout="dynamichide(event)"></div>')



function iecompattest(){

return (document.compatMode && document.compatMode.indexOf("CSS")!=-1)? document.documentElement : document.body

}



function showmenu(e, which, optWidth){

if (!document.all&&!document.getElementById)

return

clearhidemenu()

menuobj=ie5? document.all.popitmenu : document.getElementById("popitmenu")

menuobj.innerHTML=which

menuobj.style.width=(typeof optWidth!="undefined")? optWidth : defaultMenuWidth

menuobj.contentwidth=menuobj.offsetWidth

menuobj.contentheight=menuobj.offsetHeight

eventX=ie5? parseInt(event.clientX+100) : parseInt(e.clientX+100)

eventY=ie5? parseInt(event.clientY+100) : parseInt(e.clientY)

//Find out how close the mouse is to the corner of the window

var rightedge=ie5? iecompattest().clientWidth-eventX : window.innerWidth-eventX

var bottomedge=ie5? iecompattest().clientHeight-eventY : window.innerHeight-eventY

//if the horizontal distance isn't enough to accomodate the width of the context menu

if (rightedge<menuobj.contentwidth){

//move the horizontal position of the menu to the left by it's width

menuobj.style.left=ie5? iecompattest().scrollLeft+eventX-(parseInt(menuobj.contentwidth))+"px" : window.pageXOffset+eventX-(parseInt(menuobj.contentwidth))+"px"

}else

//position the horizontal position of the menu where the mouse was clicked

menuobj.style.left=ie5? iecompattest().scrollLeft+eventX+"px" : window.pageXOffset+eventX+"px"

//same concept with the vertical position

if (bottomedge<menuobj.contentheight)

menuobj.style.top=ie5? iecompattest().scrollTop+eventY-menuobj.contentheight+"px" : window.pageYOffset+eventY-menuobj.contentheight+"px"

else

menuobj.style.top=ie5? iecompattest().scrollTop+event.clientY+"px" : window.pageYOffset+eventY+"px"

menuobj.style.visibility="visible"

return false

}



function contains_ns6(a, b) {

//Determines if 1 element in contained in another- by Brainjar.com

while (b.parentNode)

if ((b = b.parentNode) == a)

return true;

return false;

}



function hidemenu(){

if (window.menuobj)

menuobj.style.visibility="hidden"

}



function dynamichide(e){

if (ie5&&!menuobj.contains(e.toElement))

hidemenu()

else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))

hidemenu()

}



function delayhidemenu(){

delayhide=setTimeout("hidemenu()",500)

}



function clearhidemenu(){

if (window.delayhide)

clearTimeout(delayhide)

} 



if (ie5||ns6)

document.onclick=hidemenu



String.prototype.addslashes = function(){

	return this.replace(/(["\\\.\|\[\]\^\*\+\?\$\(\)])/g, '\\$1');

}

String.prototype.trim = function(c, t){

    return c = "[" + (c == undefined ? " " : c.replace(/([\^\]\\-])/g, "\\\$1")) + "]+",

    this.replace(new RegExp((t != 2 ? "^" : "") + c + (t != 1 ? "|" + c + "$" : ""), "g"), "");

};