Vergleich jscripts/prototype.js - 1.6.4 - 1.6.13

/*  Prototype JavaScript framework, version 1.7

/*  Prototype JavaScript framework, version 1.7.1

  Version: '1.7',

  Version: '1.7.1',

  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',

  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script\\s*>',

        value.valueOf = method.valueOf.bind(method);
        value.toString = method.toString.bind(method);

        value.valueOf = (function(method) {
          return function() { return method.valueOf.call(method); };
        })(method);

        value.toString = (function(method) {
          return function() { return method.toString.call(method); };
        })(method);

    var value = holder[key],
        type = typeof value;

    var value = holder[key];

    }

    }

    }

    }

    type = typeof value;

    var type = typeof value;

          if (stack[i] === value) { throw new TypeError(); }

          if (stack[i] === value) {
            throw new TypeError("Cyclic reference to '" + value + "' in object");
          }

      if (object.hasOwnProperty(property)) {

      if (_hasOwnProperty.call(object, property))

  }

  }

    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;

    if (arguments.length < 2 && Object.isUndefined(arguments[0]))
      return this;

    if (!Object.isFunction(this))
      throw new TypeError("The object is not callable.");

    var nop = function() {};

    return function() {
      var a = merge(args, arguments);
      return __method.apply(context, a);
    }

    var bound = function() {
      var a = merge(args, arguments), c = context;
      var c = this instanceof bound ? this : context;
      return __method.apply(c, a);
    };

    nop.prototype   = this.prototype;
    bound.prototype = new nop();

    return bound;

  return {

  var extensions = {

  }

  };

  if (!Function.prototype.bind)
    extensions.bind = bind;

  return extensions;

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

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

      this._each(function(value) {
        iterator.call(context, value, index++);
      });

      this._each(iterator, context);

  }

  }

    this.each(function(value, index) {
      result = result && !!iterator.call(context, value, index);

    this.each(function(value, index) {
      result = result && !!iterator.call(context, value, index, this);

    });

    }, this);

    iterator = iterator || Prototype.K;

    iterator = iterator || Prototype.K;

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

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

      results.push(iterator.call(context, value, index));
    });

      results.push(iterator.call(context, value, index, this));
    }, this);

  }

  }

      if (iterator.call(context, value, index)) {

      if (iterator.call(context, value, index, this)) {

    });

    }, this);

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

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

    this.each(function(value, index) {

    this.each(function(value, index) {

        results.push(iterator.call(context, value, index));
    });

        results.push(iterator.call(context, value, index, this));
    }, this);

    });
  }

    });
  }

      memo = iterator.call(context, memo, value, index);
    });

      memo = iterator.call(context, memo, value, index, this);
    }, this);

    iterator = iterator || Prototype.K;

    iterator = iterator || Prototype.K;

      value = iterator.call(context, value, index);

      value = iterator.call(context, value, index, this);

        result = value;
    });

        result = value;
    }, this);

    iterator = iterator || Prototype.K;

    iterator = iterator || Prototype.K;

      value = iterator.call(context, value, index);

      value = iterator.call(context, value, index, this);

    });

    }, this);

      (iterator.call(context, value, index) ?

      (iterator.call(context, value, index, this) ?

    });

    }, this);

  }

  }

      if (!iterator.call(context, value, index))

      if (!iterator.call(context, value, index, this))

    });

    }, this);

        criteria: iterator.call(context, value, index)

        criteria: iterator.call(context, value, index, this)

    }).sort(function(left, right) {

    }, this).sort(function(left, right) {

      return array.detect(function(value) { return item === value });

      return array.indexOf(item) !== -1;

    i || (i = 0);
    var length = this.length;
    if (i < 0) i = length + i;
    for (; i < length; i++)
      if (this[i] === item) return i;
    return -1;
  }

    if (this == null) throw new TypeError();

  function lastIndexOf(item, i) {
    i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
    var n = this.slice(0, i).reverse().indexOf(item);
    return (n < 0) ? n : i - n - 1;

    var array = Object(this), length = array.length >>> 0;
    if (length === 0) return -1;

    i = Number(i);
    if (isNaN(i)) {
      i = 0;
    } else if (i !== 0 && isFinite(i)) {
      i = (i > 0 ? 1 : -1) * Math.floor(Math.abs(i));
    }

    if (i > length) return -1;

    var k = i >= 0 ? i : Math.max(length - Math.abs(i), 0);
    for (; k < length; k++)
      if (k in array && array[k] === item) return k;
    return -1;

  function concat() {
    var array = slice.call(this, 0), item;
    for (var i = 0, length = arguments.length; i < length; i++) {
      item = arguments[i];

  function lastIndexOf(item, i) {
    if (this == null) throw new TypeError();

    var array = Object(this), length = array.length >>> 0;
    if (length === 0) return -1;

    if (!Object.isUndefined(i)) {
      i = Number(i);
      if (isNaN(i)) {
        i = 0;
      } else if (i !== 0 && isFinite(i)) {
        i = (i > 0 ? 1 : -1) * Math.floor(Math.abs(i));
      }
    } else {
      i = length;
    }

    var k = i >= 0 ? Math.min(i, length - 1) :
     length - Math.abs(i);

    for (; k >= 0; k--)
      if (k in array && array[k] === item) return k;
    return -1;
  }

  function concat(_) {
    var array = [], items = slice.call(arguments, 0), item, n = 0;
    items.unshift(this);
    for (var i = 0, length = items.length; i < length; i++) {
      item = items[i];

        for (var j = 0, arrayLength = item.length; j < arrayLength; j++)
          array.push(item[j]);

        for (var j = 0, arrayLength = item.length; j < arrayLength; j++) {
          if (j in item) array[n] = item[j];
          n++;
        }
      } else {
        array[n++] = item;
      }
    }
    array.length = n;
    return array;
  }


  function wrapNative(method) {
    return function() {
      if (arguments.length === 0) {
        return method.call(this, Prototype.K);
      } else if (arguments[0] === undefined) {
        var args = slice.call(arguments, 1);
        args.unshift(Prototype.K);
        return method.apply(this, args);

        array.push(item);

        return method.apply(this, arguments);
      }
    };
  }


  function map(iterator) {
    if (this == null) throw new TypeError();
    iterator = iterator || Prototype.K;

    var object = Object(this);
    var results = [], context = arguments[1], n = 0;

    for (var i = 0, length = object.length >>> 0; i < length; i++) {
      if (i in object) {
        results[n] = iterator.call(context, object[i], i, object);
      }
      n++;
    }
    results.length = n;
    return results;
  }

  if (arrayProto.map) {
    map = wrapNative(Array.prototype.map);
  }

  function filter(iterator) {
    if (this == null || !Object.isFunction(iterator))
      throw new TypeError();

    var object = Object(this);
    var results = [], context = arguments[1], value;

    for (var i = 0, length = object.length >>> 0; i < length; i++) {
      if (i in object) {
        value = object[i];
        if (iterator.call(context, value, i, object)) {
          results.push(value);
        }
      }
    }
    return results;
  }

  if (arrayProto.filter) {
    filter = Array.prototype.filter;
  }

  function some(iterator) {
    if (this == null) throw new TypeError();
    iterator = iterator || Prototype.K;
    var context = arguments[1];

    var object = Object(this);
    for (var i = 0, length = object.length >>> 0; i < length; i++) {
      if (i in object && iterator.call(context, object[i], i, object)) {
        return true;
      }
    }

    return false;
  }

  if (arrayProto.some) {
    var some = wrapNative(Array.prototype.some);
  }


  function every(iterator) {
    if (this == null) throw new TypeError();
    iterator = iterator || Prototype.K;
    var context = arguments[1];

    var object = Object(this);
    for (var i = 0, length = object.length >>> 0; i < length; i++) {
      if (i in object && !iterator.call(context, object[i], i, object)) {
        return false;

    return array;

    return true;
  }

  if (arrayProto.every) {
    var every = wrapNative(Array.prototype.every);
  }

  var _reduce = arrayProto.reduce;
  function inject(memo, iterator) {
    iterator = iterator || Prototype.K;
    var context = arguments[2];
    return _reduce.call(this, iterator.bind(context), memo);
  }

  if (!arrayProto.reduce) {
    var inject = Enumerable.inject;

  })(1,2)

  })(1,2);

  function _each(iterator) {

  function _each(iterator, context) {

      iterator(pair);

      iterator.call(context, pair);

    return key + '=' + encodeURIComponent(String.interpret(value));

    var value = String.interpret(value);

    value = value.gsub(/(\r)?\n/, '\r\n');
    value = encodeURIComponent(value);
    value = value.gsub(/%20/, '+');
    return key + '=' + value;

  function _each(iterator) {

  function _each(iterator, context) {

      iterator(value);

      iterator.call(context, value);

  _each: function(iterator) {
    this.responders._each(iterator);

  _each: function(iterator, context) {
    this.responders._each(iterator, context);

    json = decodeURIComponent(escape(json));

    try {
      json = decodeURIComponent(escape(json));
    } catch(e) {
    }

        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);

        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);

    }

    }

function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;

(function(GLOBAL) {

  var UNDEFINED;
  var SLICE = Array.prototype.slice;

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


  function $(element) {
    if (arguments.length > 1) {
      for (var i = 0, elements = [], length = arguments.length; i < length; i++)
        elements.push($(arguments[i]));
      return elements;
    }

    if (Object.isString(element))
      element = document.getElementById(element);
    return Element.extend(element);
  }

  GLOBAL.$ = $;


  if (!GLOBAL.Node) GLOBAL.Node = {};

  if (!GLOBAL.Node.ELEMENT_NODE) {
    Object.extend(GLOBAL.Node, {
      ELEMENT_NODE:                1,
      ATTRIBUTE_NODE:              2,
      TEXT_NODE:                   3,
      CDATA_SECTION_NODE:          4,
      ENTITY_REFERENCE_NODE:       5,
      ENTITY_NODE:                 6,
      PROCESSING_INSTRUCTION_NODE: 7,
      COMMENT_NODE:                8,
      DOCUMENT_NODE:               9,
      DOCUMENT_TYPE_NODE:         10,
      DOCUMENT_FRAGMENT_NODE:     11,
      NOTATION_NODE:              12
    });

(function(global) {
  function shouldUseCache(tagName, attributes) {

  function shouldUseCreationCache(tagName, attributes) {

  var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = (function(){

  var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = Prototype.Browser.IE && (function(){

  global.Element = function(tagName, attributes) {
    attributes = attributes || { };

  var oldElement = GLOBAL.Element;
  function Element(tagName, attributes) {
    attributes = attributes || {};

    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));

    if (!ELEMENT_CACHE[tagName])
      ELEMENT_CACHE[tagName] = Element.extend(document.createElement(tagName));

    var node = shouldUseCache(tagName, attributes) ?
     cache[tagName].cloneNode(false) : document.createElement(tagName);

    var node = shouldUseCreationCache(tagName, attributes) ?
     ELEMENT_CACHE[tagName].cloneNode(false) : document.createElement(tagName);

  };

  Object.extend(global.Element, element || { });
  if (element) global.Element.prototype = element.prototype;

  }

  GLOBAL.Element = Element;

  Object.extend(GLOBAL.Element, oldElement || {});
  if (oldElement) GLOBAL.Element.prototype = oldElement.prototype;

  Element.Methods = { ByTag: {}, Simulated: {} };

  var methods = {};

  var INSPECT_ATTRIBUTES = { id: 'id', className: 'class' };
  function inspect(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();

    var attribute, value;
    for (var property in INSPECT_ATTRIBUTES) {
      attribute = INSPECT_ATTRIBUTES[property];
      value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    }

    return result + '>';
  }

  methods.inspect = inspect;

Element.idCounter = 1;
Element.cache = { };

Element._purgeElement = function(element) {
  var uid = element._prototypeUID;
  if (uid) {
    Element.stopObserving(element);
    element._prototypeUID = void 0;
    delete Element.Storage[uid];
  }
}

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },

  hide: function(element) {
    element = $(element);
    element.style.display = 'none';
    return element;
  },

  show: function(element) {
    element = $(element);

  function visible(element) {
    return $(element).style.display !== 'none';
  }

  function toggle(element, bool) {
    element = $(element);
    if (Object.isUndefined(bool))
      bool = !Element.visible(element);
    Element[bool ? 'show' : 'hide'](element);

    return element;
  }

  function hide(element) {
    element = $(element);
    element.style.display = 'none';
    return element;
  }

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

  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: (function(){

    var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
      var el = document.createElement("select"),
          isBuggy = true;
      el.innerHTML = "<option value=\"test\">test</option>";
      if (el.options && el.options[0]) {
        isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
      }
      el = null;
      return isBuggy;
    })();

  }


  Object.extend(methods, {
    visible: visible,
    toggle:  toggle,
    hide:    hide,
    show:    show
  });

    var LINK_ELEMENT_INNERHTML_BUGGY = (function() {
      try {
        var el = document.createElement('div');
        el.innerHTML = "<link>";
        var isBuggy = (el.childNodes.length === 0);
        el = null;
        return isBuggy;
      } catch(e) {
        return true;
      }
    })();

    var ANY_INNERHTML_BUGGY = SELECT_ELEMENT_INNERHTML_BUGGY ||
     TABLE_ELEMENT_INNERHTML_BUGGY || LINK_ELEMENT_INNERHTML_BUGGY;

    var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
      var s = document.createElement("script"),
          isBuggy = false;
      try {
        s.appendChild(document.createTextNode(""));
        isBuggy = !s.firstChild ||
          s.firstChild && s.firstChild.nodeType !== 3;
      } catch (e) {

  function remove(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  }

  var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
    var el = document.createElement("select"),

      s = null;
      return isBuggy;
    })();

    } catch (e) {
      return true;
    }
  })();

    function update(element, content) {
      element = $(element);
      var purgeElement = Element._purgeElement;

      var descendants = element.getElementsByTagName('*'),
       i = descendants.length;
      while (i--) purgeElement(descendants[i]);

      if (content && content.toElement)
        content = content.toElement();

      if (Object.isElement(content))
        return element.update().insert(content);

      content = Object.toHTML(content);

      var tagName = element.tagName.toUpperCase();

      if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
        element.text = content;
        return element;
      }

      if (ANY_INNERHTML_BUGGY) {
        if (tagName in Element._insertionTranslations.tags) {
          while (element.firstChild) {
            element.removeChild(element.firstChild);
          }
          Element._getContentFromAnonymousElement(tagName, content.stripScripts())
            .each(function(node) {
              element.appendChild(node)
            });
        } else if (LINK_ELEMENT_INNERHTML_BUGGY && Object.isString(content) && content.indexOf('<link') > -1) {
          while (element.firstChild) {
            element.removeChild(element.firstChild);
          }
          var nodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts(), true);
          nodes.each(function(node) { element.appendChild(node) });
        }
        else {
          element.innerHTML = content.stripScripts();
        }
      }
      else {

  var LINK_ELEMENT_INNERHTML_BUGGY = (function() {
    try {
      var el = document.createElement('div');
      el.innerHTML = "<link />";
      var isBuggy = (el.childNodes.length === 0);
      el = null;
      return isBuggy;
    } catch(e) {
      return true;
    }
  })();

  var ANY_INNERHTML_BUGGY = SELECT_ELEMENT_INNERHTML_BUGGY ||
   TABLE_ELEMENT_INNERHTML_BUGGY || LINK_ELEMENT_INNERHTML_BUGGY;

  var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
    var s = document.createElement("script"),
        isBuggy = false;
    try {
      s.appendChild(document.createTextNode(""));
      isBuggy = !s.firstChild ||
        s.firstChild && s.firstChild.nodeType !== 3;
    } catch (e) {
      isBuggy = true;
    }
    s = null;
    return isBuggy;
  })();

  function update(element, content) {
    element = $(element);

    var descendants = element.getElementsByTagName('*'),
     i = descendants.length;
    while (i--) purgeElement(descendants[i]);

    if (content && content.toElement)
      content = content.toElement();

    if (Object.isElement(content))
      return element.update().insert(content);


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

    if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
      element.text = content;
      return element;
    }

    if (ANY_INNERHTML_BUGGY) {
      if (tagName in INSERTION_TRANSLATIONS.tags) {
        while (element.firstChild)
          element.removeChild(element.firstChild);

        var nodes = getContentFromAnonymousElement(tagName, content.stripScripts());
        for (var i = 0, node; node = nodes[i]; i++)
          element.appendChild(node);

      } else if (LINK_ELEMENT_INNERHTML_BUGGY && Object.isString(content) && content.indexOf('<link') > -1) {
        while (element.firstChild)
          element.removeChild(element.firstChild);

        var nodes = getContentFromAnonymousElement(tagName,
         content.stripScripts(), true);

        for (var i = 0, node; node = nodes[i]; i++)
          element.appendChild(node);
      } else {

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

    } else {
      element.innerHTML = content.stripScripts();

    return update;
  })(),

  replace: function(element, content) {

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

  function replace(element, content) {

    if (content && content.toElement) content = content.toElement();
    else if (!Object.isElement(content)) {

    if (content && content.toElement) {
      content = content.toElement();
    } else if (!Object.isElement(content)) {

    return element;
  },

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

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

    var content, insert, tagName, childNodes;

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

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

      content = Object.toHTML(content);

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

    return element;
  }

  var INSERTION_TRANSLATIONS = {
    before: function(element, node) {
      element.parentNode.insertBefore(node, element);
    },
    top: function(element, node) {
      element.insertBefore(node, element.firstChild);
    },
    bottom: function(element, node) {
      element.appendChild(node);
    },
    after: function(element, node) {
      element.parentNode.insertBefore(node, element.nextSibling);
    },

    tags: {
      TABLE:  ['<table>',                '</table>',                   1],
      TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
      TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
      TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
      SELECT: ['<select>',               '</select>',                  1]
    }
  };

  var tags = INSERTION_TRANSLATIONS.tags;

  Object.extend(tags, {
    THEAD: tags.TBODY,
    TFOOT: tags.TBODY,
    TH:    tags.TD
  });

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

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

    if (tagName in INSERTION_TRANSLATIONS.tags) {
      var nextSibling = Element.next(element);
      var fragments = getContentFromAnonymousElement(
       tagName, content.stripScripts());

      parent.removeChild(element);

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

      var iterator;
      if (nextSibling)
        iterator = function(node) { parent.insertBefore(node, nextSibling) };
      else
        iterator = function(node) { parent.appendChild(node); }

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

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

      fragments.each(iterator);
    } else {
      element.outerHTML = content.stripScripts();

  },

  wrap: function(element, wrapper, attributes) {

  }

  if ('outerHTML' in document.documentElement)
    replace = replace_IE;

  function isContent(content) {
    if (Object.isUndefined(content) || content === null) return false;

    if (Object.isString(content) || Object.isNumber(content)) return true;
    if (Object.isElement(content)) return true;
    if (content.toElement || content.toHTML) return true;

    return false;
  }

  function insertContentAt(element, content, position) {
    position   = position.toLowerCase();
    var method = INSERTION_TRANSLATIONS[position];

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

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

    var childNodes = getContentFromAnonymousElement(tagName, content.stripScripts());

    if (position === 'top' || position === 'after') childNodes.reverse();

    for (var i = 0, node; node = childNodes[i]; i++)
      method(element, node);

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

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

    if (isContent(insertions))
      insertions = { bottom: insertions };

    for (var position in insertions)
      insertContentAt(element, insertions[position], position);

    return element;
  }

  function wrap(element, wrapper, attributes) {

    if (Object.isElement(wrapper))
      $(wrapper).writeAttribute(attributes || { });
    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
    else wrapper = new Element('div', wrapper);

    if (Object.isElement(wrapper)) {
      $(wrapper).writeAttribute(attributes || {});
    } else if (Object.isString(wrapper)) {
      wrapper = new Element(wrapper, attributes);
    } else {
      wrapper = new Element('div', wrapper);
    }

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

    return wrapper;
  }

  function cleanWhitespace(element) {
    element = $(element);
    var node = element.firstChild;

    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType === Node.TEXT_NODE && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  }

  function empty(element) {
    return $(element).innerHTML.blank();
  }

  function getContentFromAnonymousElement(tagName, html, force) {
    var t = INSERTION_TRANSLATIONS.tags[tagName], div = DIV;

    var workaround = !!t;
    if (!workaround && force) {
      workaround = true;
      t = ['', '', 0];
    }

    if (workaround) {
      div.innerHTML = ' ' + t[0] + html + t[1];
      div.removeChild(div.firstChild);
      for (var i = t[2]; i--; )
        div = div.firstChild;
    } else {
      div.innerHTML = html;
    }

    return $A(div.childNodes);
  }

  function clone(element, deep) {
    if (!(element = $(element))) return;
    var clone = element.cloneNode(deep);
    if (!HAS_UNIQUE_ID_PROPERTY) {
      clone._prototypeUID = UNDEFINED;
      if (deep) {
        var descendants = Element.select(clone, '*'),
         i = descendants.length;
        while (i--)
          descendants[i]._prototypeUID = UNDEFINED;
      }
    }
    return Element.extend(clone);
  }

  function purgeElement(element) {
    var uid = getUniqueElementID(element);
    if (uid) {
      Element.stopObserving(element);
      if (!HAS_UNIQUE_ID_PROPERTY)
        element._prototypeUID = UNDEFINED;
      delete Element.Storage[uid];
    }
  }

  function purgeCollection(elements) {
    var i = elements.length;
    while (i--)
      purgeElement(elements[i]);
  }

  function purgeCollection_IE(elements) {
    var i = elements.length, element, uid;
    while (i--) {
      element = elements[i];
      uid = getUniqueElementID(element);
      delete Element.Storage[uid];
      delete Event.cache[uid];
    }
  }

  if (HAS_UNIQUE_ID_PROPERTY) {
    purgeCollection = purgeCollection_IE;
  }


  function purge(element) {
    if (!(element = $(element))) return;
    purgeElement(element);

    var descendants = element.getElementsByTagName('*'),
     i = descendants.length;

    while (i--) purgeElement(descendants[i]);

    return null;
  }

  Object.extend(methods, {
    remove:  remove,
    update:  update,
    replace: replace,
    insert:  insert,
    wrap:    wrap,
    cleanWhitespace: cleanWhitespace,
    empty:   empty,
    clone:   clone,
    purge:   purge
  });

  recursivelyCollect: function(element, property, maximumLength) {

  function recursivelyCollect(element, property, maximumLength) {

      if (element.nodeType == 1)

      if (element.nodeType === Node.ELEMENT_NODE)

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

  firstDescendant: function(element) {

      if (elements.length === maximumLength) break;
    }

    return elements;
  }


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

  function descendants(element) {
    return Element.select(element, '*');
  }

  function firstDescendant(element) {

    while (element && element.nodeType != 1) element = element.nextSibling;

    while (element && element.nodeType !== Node.ELEMENT_NODE)
      element = element.nextSibling;

  },

  immediateDescendants: function(element) {

  }

  function immediateDescendants(element) {

      if (child.nodeType === 1) {

      if (child.nodeType === Node.ELEMENT_NODE)

      }

  },

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

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

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

  match: function(element, selector) {

  }

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

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

  function siblings(element) {

  },

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

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

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

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

  }


  function _recursivelyFind(element, property, expression, index) {
    element = $(element), expression = expression || 0, index = index || 0;
    if (Object.isNumber(expression)) {
      index = expression, expression = null;
    }

    while (element = element[property]) {
      if (element.nodeType !== 1) continue;
      if (expression && !Prototype.Selector.match(element, expression))
        continue;
      if (--index >= 0) continue;

      return Element.extend(element);

  },

  next: function(element, expression, index) {

  }


  function up(element, expression, index) {

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

  function select(element) {
    element = $(element);
    var expressions = SLICE.call(arguments, 1).join(', ');

  },

  adjacent: function(element) {
    element = $(element);
    var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
    return Prototype.Selector.select(expressions, element.parentNode).without(element);
  },

  identify: function(element) {

  }

  function adjacent(element) {
    element = $(element);
    var expressions = SLICE.call(arguments, 1).join(', ');
    var siblings = Element.siblings(element), results = [];
    for (var i = 0, sibling; sibling = siblings[i]; i++) {
      if (Prototype.Selector.match(sibling, expressions))
        results.push(sibling);
    }

    return results;
  }

  function descendantOf_DOM(element, ancestor) {
    element = $(element), ancestor = $(ancestor);
    while (element = element.parentNode)
      if (element === ancestor) return true;
    return false;
  }

  function descendantOf_contains(element, ancestor) {
    element = $(element), ancestor = $(ancestor);
    if (!ancestor.contains) return descendantOf_DOM(element, ancestor);
    return ancestor.contains(element) && ancestor !== element;
  }

  function descendantOf_compareDocumentPosition(element, ancestor) {
    element = $(element), ancestor = $(ancestor);
    return (element.compareDocumentPosition(ancestor) & 8) === 8;
  }

  var descendantOf;
  if (DIV.compareDocumentPosition) {
    descendantOf = descendantOf_compareDocumentPosition;
  } else if (DIV.contains) {
    descendantOf = descendantOf_contains;
  } else {
    descendantOf = descendantOf_DOM;
  }


  Object.extend(methods, {
    recursivelyCollect:   recursivelyCollect,
    ancestors:            ancestors,
    descendants:          descendants,
    firstDescendant:      firstDescendant,
    immediateDescendants: immediateDescendants,
    previousSiblings:     previousSiblings,
    nextSiblings:         nextSiblings,
    siblings:             siblings,
    match:                match,
    up:                   up,
    down:                 down,
    previous:             previous,
    next:                 next,
    select:               select,
    adjacent:             adjacent,
    descendantOf:         descendantOf,

    getElementsBySelector: select,

    childElements:         immediateDescendants
  });


  var idCounter = 1;
  function identify(element) {

    do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id));

    do { id = 'anonymous_element_' + idCounter++ } while ($(id));

  },

  readAttribute: function(element, name) {

  }


  function readAttribute(element, name) {
    return $(element).getAttribute(name);
  }

  function readAttribute_IE(element, name) {

    if (Prototype.Browser.IE) {
      var t = Element._attributeTranslations.read;
      if (t.values[name]) return t.values[name](element, name);
      if (t.names[name]) name = t.names[name];
      if (name.include(':')) {
        return (!element.attributes || !element.attributes[name]) ? null :
         element.attributes[name].value;
      }

    var table = ATTRIBUTE_TRANSLATIONS.read;
    if (table.values[name])
      return table.values[name](element, name);

    if (table.names[name]) name = table.names[name];

    if (name.include(':')) {
      if (!element.attributes || !element.attributes[name]) return null;
      return element.attributes[name].value;

    if (typeof name == 'object') attributes = name;
    else attributes[name] = Object.isUndefined(value) ? true : value;

    return element.getAttribute(name);
  }

  function readAttribute_Opera(element, name) {
    if (name === 'title') return element.title;
    return element.getAttribute(name);
  }

  var PROBLEMATIC_ATTRIBUTE_READING = (function() {
    DIV.setAttribute('onclick', Prototype.emptyFunction);
    var value = DIV.getAttribute('onclick');
    var isFunction = (typeof value === 'function');
    DIV.removeAttribute('onclick');
    return isFunction;
  })();

  if (PROBLEMATIC_ATTRIBUTE_READING) {
    readAttribute = readAttribute_IE;
  } else if (Prototype.Browser.Opera) {
    readAttribute = readAttribute_Opera;
  }


  function writeAttribute(element, name, value) {
    element = $(element);
    var attributes = {}, table = ATTRIBUTE_TRANSLATIONS.write;

    if (typeof name === 'object') {
      attributes = name;
    } else {
      attributes[name] = Object.isUndefined(value) ? true : value;
    }

      name = t.names[attr] || attr;

      name = table.names[attr] || attr;

      if (t.values[attr]) name = t.values[attr](element, value);

      if (table.values[attr])
        name = table.values[attr](element, value);

    return element;
  },

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

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

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;

    return element;
  }

  function hasAttribute(element, attribute) {
    attribute = ATTRIBUTE_TRANSLATIONS.has[attribute] || attribute;
    var node = $(element).getAttributeNode(attribute);
    return !!(node && node.specified);
  }

  GLOBAL.Element.Methods.Simulated.hasAttribute = hasAttribute;

  function classNames(element) {
    return new Element.ClassNames(element);
  }

  var regExpCache = {};
  function getRegExpForClassName(className) {
    if (regExpCache[className]) return regExpCache[className];

    var re = new RegExp("(^|\\s+)" + className + "(\\s+|$)");
    regExpCache[className] = re;
    return re;
  }

  function hasClassName(element, className) {
    if (!(element = $(element))) return;

    return (elementClassName.length > 0 && (elementClassName == className ||
      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
  },

  addClassName: function(element, className) {

    if (elementClassName.length === 0) return false;
    if (elementClassName === className) return true;

    return getRegExpForClassName(className).test(elementClassName);
  }

  function addClassName(element, className) {

    if (!Element.hasClassName(element, className))

    if (!hasClassName(element, className))

  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    element.className = element.className.replace(
      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
    return element;
  },

  toggleClassName: function(element, className) {
    if (!(element = $(element))) return;
    return Element[Element.hasClassName(element, className) ?
      'removeClassName' : 'addClassName'](element, className);
  },

  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.blank();
  },

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);

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

  }

  function removeClassName(element, className) {
    if (!(element = $(element))) return;

    if (ancestor.contains)
      return ancestor.contains(element) && ancestor !== element;

    while (element = element.parentNode)
      if (element == ancestor) return true;

    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = Element.cumulativeOffset(element);
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

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

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

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

    return element;
  },

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

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      if (Prototype.Browser.Opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

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

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

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

  clonePosition: function(element, source) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || { });

    source = $(source);
    var p = Element.viewportOffset(source), delta = [0, 0], parent = null;

    element = $(element);

    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = Element.getOffsetParent(element);
      delta = Element.viewportOffset(parent);
    }

    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
    return element;
  }
};

Object.extend(Element.Methods, {
  getElementsBySelector: Element.Methods.select,

  childElements: Element.Methods.immediateDescendants
});

    element.className = element.className.replace(
     getRegExpForClassName(className), ' ').strip();

Element._attributeTranslations = {
  write: {

    return element;
  }

  function toggleClassName(element, className, bool) {
    if (!(element = $(element))) return;

    if (Object.isUndefined(bool))
      bool = !hasClassName(element, className);

    var method = Element[bool ? 'addClassName' : 'removeClassName'];
    return method(element, className);
  }

  var ATTRIBUTE_TRANSLATIONS = {};

  var classProp = 'className', forProp = 'for';

  DIV.setAttribute(classProp, 'x');
  if (DIV.className !== 'x') {
    DIV.setAttribute('class', 'x');
    if (DIV.className === 'x')
      classProp = 'class';
  }

  var LABEL = document.createElement('label');
  LABEL.setAttribute(forProp, 'x');
  if (LABEL.htmlFor !== 'x') {
    LABEL.setAttribute('htmlFor', 'x');
    if (LABEL.htmlFor === 'x')
      forProp = 'htmlFor';
  }
  LABEL = null;

  function _getAttr(element, attribute) {
    return element.getAttribute(attribute);
  }

  function _getAttr2(element, attribute) {
    return element.getAttribute(attribute, 2);
  }

  function _getAttrNode(element, attribute) {
    var node = element.getAttributeNode(attribute);
    return node ? node.value : '';
  }

  function _getFlag(element, attribute) {
    return $(element).hasAttribute(attribute) ? attribute : null;
  }

  DIV.onclick = Prototype.emptyFunction;
  var onclickValue = DIV.getAttribute('onclick');

  var _getEv;

  if (String(onclickValue).indexOf('{') > -1) {
    _getEv = function(element, attribute) {
      var value = element.getAttribute(attribute);
      if (!value) return null;
      value = value.toString();
      value = value.split('{')[1];
      value = value.split('}')[0];
      return value.strip();
    };
  }
  else if (onclickValue === '') {
    _getEv = function(element, attribute) {
      var value = element.getAttribute(attribute);
      if (!value) return null;
      return value.strip();
    };
  }

  ATTRIBUTE_TRANSLATIONS.read = {

      className: 'class',
      htmlFor:   'for'

      'class':     classProp,
      'className': classProp,
      'for':       forProp,
      'htmlFor':   forProp
    },

    values: {
      style: function(element) {
        return element.style.cssText.toLowerCase();
      },
      title: function(element) {
        return element.title;
      }
    }
  };

  ATTRIBUTE_TRANSLATIONS.write = {
    names: {
      className:   'class',
      htmlFor:     'for',
      cellpadding: 'cellPadding',
      cellspacing: 'cellSpacing'

  Element._attributeTranslations.write = {
    names: Object.extend({
      cellpadding: 'cellPadding',
      cellspacing: 'cellSpacing'
    }, Element._attributeTranslations.read.names),
    values: {

    values: {

    }
  };

  Element._attributeTranslations.has = {};

  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
      'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
  });

  (function(v) {
    Object.extend(v, {
      href:        v._getAttr2,
      src:         v._getAttr2,
      type:        v._getAttr,
      action:      v._getAttrNode,
      disabled:    v._flag,
      checked:     v._flag,
      readonly:    v._flag,
      multiple:    v._flag,
      onload:      v._getEv,
      onunload:    v._getEv,
      onclick:     v._getEv,
      ondblclick:  v._getEv,
      onmousedown: v._getEv,
      onmouseup:   v._getEv,
      onmouseover: v._getEv,
      onmousemove: v._getEv,
      onmouseout:  v._getEv,
      onfocus:     v._getEv,
      onblur:      v._getEv,
      onkeypress:  v._getEv,
      onkeydown:   v._getEv,
      onkeyup:     v._getEv,
      onsubmit:    v._getEv,
      onreset:     v._getEv,
      onselect:    v._getEv,
      onchange:    v._getEv
    });
  })(Element._attributeTranslations.read.values);

  if (Prototype.BrowserFeatures.ElementExtensions) {
    (function() {
      function _descendants(element) {
        var nodes = element.getElementsByTagName('*'), results = [];
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName !== "!") // Filter out comment nodes.
            results.push(node);
        return results;
      }

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

}

else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1) ? 0.999999 :
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
    return element;
  };
}

else if (Prototype.Browser.WebKit) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;

    if (value == 1)
      if (element.tagName.toUpperCase() == 'IMG' && element.width) {
        element.width++; element.width--;
      } else try {
        var n = document.createTextNode(' ');
        element.appendChild(n);
        element.removeChild(n);
      } catch (e) { }

    return element;
  };
}

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

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

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

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

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

    }

Element.extend = (function() {

  ATTRIBUTE_TRANSLATIONS.has = { names: {} };

  function checkDeficiency(tagName) {
    if (typeof window.Element != 'undefined') {
      var proto = window.Element.prototype;
      if (proto) {
        var id = '_' + (Math.random()+'').slice(2),
            el = document.createElement(tagName);
        proto[id] = 'x';
        var isBuggy = (el[id] !== 'x');
        delete proto[id];
        el = null;
        return isBuggy;

  Object.extend(ATTRIBUTE_TRANSLATIONS.write.names,
   ATTRIBUTE_TRANSLATIONS.read.names);

  var CAMEL_CASED_ATTRIBUTE_NAMES = $w('colSpan rowSpan vAlign dateTime ' +
   'accessKey tabIndex encType maxLength readOnly longDesc frameBorder');

  for (var i = 0, attr; attr = CAMEL_CASED_ATTRIBUTE_NAMES[i]; i++) {
    ATTRIBUTE_TRANSLATIONS.write.names[attr.toLowerCase()] = attr;
    ATTRIBUTE_TRANSLATIONS.has.names[attr.toLowerCase()]   = attr;
  }

  Object.extend(ATTRIBUTE_TRANSLATIONS.read.values, {
    href:        _getAttr2,
    src:         _getAttr2,
    type:        _getAttr,
    action:      _getAttrNode,
    disabled:    _getFlag,
    checked:     _getFlag,
    readonly:    _getFlag,
    multiple:    _getFlag,
    onload:      _getEv,
    onunload:    _getEv,
    onclick:     _getEv,
    ondblclick:  _getEv,
    onmousedown: _getEv,
    onmouseup:   _getEv,
    onmouseover: _getEv,
    onmousemove: _getEv,
    onmouseout:  _getEv,
    onfocus:     _getEv,
    onblur:      _getEv,
    onkeypress:  _getEv,
    onkeydown:   _getEv,
    onkeyup:     _getEv,
    onsubmit:    _getEv,
    onreset:     _getEv,
    onselect:    _getEv,
    onchange:    _getEv
  });


  Object.extend(methods, {
    identify:        identify,
    readAttribute:   readAttribute,
    writeAttribute:  writeAttribute,
    classNames:      classNames,
    hasClassName:    hasClassName,
    addClassName:    addClassName,
    removeClassName: removeClassName,
    toggleClassName: toggleClassName
  });


  function normalizeStyleName(style) {
    if (style === 'float' || style === 'styleFloat')
      return 'cssFloat';
    return style.camelize();
  }

  function normalizeStyleName_IE(style) {
    if (style === 'float' || style === 'cssFloat')
      return 'styleFloat';
    return style.camelize();
  }

  function setStyle(element, styles) {
    element = $(element);
    var elementStyle = element.style, match;

    if (Object.isString(styles)) {
      elementStyle.cssText += ';' + styles;
      if (styles.include('opacity')) {
        var opacity = styles.match(/opacity:\s*(\d?\.?\d*)/)[1];
        Element.setOpacity(element, opacity);
      }
      return element;
    }

    for (var property in styles) {
      if (property === 'opacity') {
        Element.setOpacity(element, styles[property]);
      } else {
        var value = styles[property];
        if (property === 'float' || property === 'cssFloat') {
          property = Object.isUndefined(elementStyle.styleFloat) ?
           'cssFloat' : 'styleFloat';
        }
        elementStyle[property] = value;

    }
    return false;

    }

    return element;
  }


  function getStyle(element, style) {
    element = $(element);
    style = normalizeStyleName(style);

    var value = element.style[style];
    if (!value || value === 'auto') {
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }

    if (style === 'opacity') return value ? parseFloat(value) : 1.0;
    return value === 'auto' ? null : value;
  }

  function getStyle_Opera(element, style) {
    switch (style) {
      case 'height': case 'width':
        if (!Element.visible(element)) return null;

        var dim = parseInt(getStyle(element, style), 10);

        if (dim !== element['offset' + style.capitalize()])
          return dim + 'px';

        return Element.measure(element, style);

      default: return getStyle(element, style);
    }
  }

  function getStyle_IE(element, style) {
    element = $(element);
    style = normalizeStyleName_IE(style);

    var value = element.style[style];
    if (!value && element.currentStyle) {
      value = element.currentStyle[style];
    }

    if (style === 'opacity' && !STANDARD_CSS_OPACITY_SUPPORTED)
      return getOpacity_IE(element);

    if (value === 'auto') {
      if ((style === 'width' || style === 'height') && Element.visible(element))
        return Element.measure(element, style) + 'px';
      return null;
    }

    return value;
  }

  function stripAlphaFromFilter_IE(filter) {
    return (filter || '').replace(/alpha\([^\)]*\)/gi, '');
  }

  function hasLayout_IE(element) {
    if (!element.currentStyle.hasLayout)
      element.style.zoom = 1;
    return element;
  }

  var STANDARD_CSS_OPACITY_SUPPORTED = (function() {
    DIV.style.cssText = "opacity:.55";
    return /^0.55/.test(DIV.style.opacity);
  })();

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

  function setOpacity_IE(element, value) {
    if (STANDARD_CSS_OPACITY_SUPPORTED)
      return setOpacity(element, value);

    element = hasLayout_IE($(element));
    var filter = Element.getStyle(element, 'filter'),
     style = element.style;

    if (value == 1 || value === '') {
      filter = stripAlphaFromFilter_IE(filter);
      if (filter) style.filter = filter;
      else style.removeAttribute('filter');
      return element;
    }

    if (value < 0.00001) value = 0;

    style.filter = stripAlphaFromFilter_IE(filter) +
     'alpha(opacity=' + (value * 100) + ')';

    return element;
  }


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

  function getOpacity_IE(element) {
    if (STANDARD_CSS_OPACITY_SUPPORTED)
      return getOpacity(element);

    var filter = Element.getStyle(element, 'filter');
    if (filter.length === 0) return 1.0;
    var match = (filter || '').match(/alpha\(opacity=(.*)\)/);
    if (match[1]) return parseFloat(match[1]) / 100;
    return 1.0;
  }


  Object.extend(methods, {
    setStyle:   setStyle,
    getStyle:   getStyle,
    setOpacity: setOpacity,
    getOpacity: getOpacity
  });

  if ('styleFloat' in DIV.style) {
    methods.getStyle = getStyle_IE;
    methods.setOpacity = setOpacity_IE;
    methods.getOpacity = getOpacity_IE;
  }

  var UID = 0;

  GLOBAL.Element.Storage = { UID: 1 };

  function getUniqueElementID(element) {
    if (element === window) return 0;

    if (typeof element._prototypeUID === 'undefined')
      element._prototypeUID = Element.Storage.UID++;
    return element._prototypeUID;
  }

  function getUniqueElementID_IE(element) {
    if (element === window) return 0;
    if (element == document) return 1;
    return element.uniqueID;
  }

  var HAS_UNIQUE_ID_PROPERTY = ('uniqueID' in DIV);
  if (HAS_UNIQUE_ID_PROPERTY)
    getUniqueElementID = getUniqueElementID_IE;

  function getStorage(element) {
    if (!(element = $(element))) return;

    var uid = getUniqueElementID(element);

    if (!Element.Storage[uid])
      Element.Storage[uid] = $H();

    return Element.Storage[uid];
  }

  function store(element, key, value) {
    if (!(element = $(element))) return;
    var storage = getStorage(element);
    if (arguments.length === 2) {
      storage.update(key);
    } else {
      storage.set(key, value);
    }
    return element;
  }

  function retrieve(element, key, defaultValue) {
    if (!(element = $(element))) return;
    var storage = getStorage(element), value = storage.get(key);

    if (Object.isUndefined(value)) {
      storage.set(key, defaultValue);
      value = defaultValue;
    }

    return value;
  }


  Object.extend(methods, {
    getStorage: getStorage,
    store:      store,
    retrieve:   retrieve
  });


  var Methods = {}, ByTag = Element.Methods.ByTag,
   F = Prototype.BrowserFeatures;

  if (!F.ElementExtensions && ('__proto__' in DIV)) {
    GLOBAL.HTMLElement = {};
    GLOBAL.HTMLElement.prototype = DIV['__proto__'];
    F.ElementExtensions = true;

  var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object');

  if (Prototype.BrowserFeatures.SpecificElementExtensions) {
    if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) {
      return function(element) {
        if (element && typeof element._extendedByPrototype == 'undefined') {
          var t = element.tagName;
          if (t && (/^(?:object|applet|embed)$/i.test(t))) {
            extendElementWith(element, Element.Methods);
            extendElementWith(element, Element.Methods.Simulated);
            extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);
          }
        }
        return element;
      }
    }
    return Prototype.K;
  }

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

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

  var EXTENDED = {};
  function elementIsExtended(element) {
    var uid = getUniqueElementID(element);
    return (uid in EXTENDED);
  }

  function extend(element) {
    if (!element || elementIsExtended(element)) return element;
    if (element.nodeType !== Node.ELEMENT_NODE || element == window)
      return element;

        tagName = element.tagName.toUpperCase();

     tagName = element.tagName.toUpperCase();

    element._extendedByPrototype = Prototype.emptyFunction;

    EXTENDED[getUniqueElementID(element)] = true;

  }, {
    refresh: function() {
      if (!Prototype.BrowserFeatures.ElementExtensions) {
        Object.extend(Methods, Element.Methods);
        Object.extend(Methods, Element.Methods.Simulated);
      }

    var t = element.tagName;
    if (t && (/^(?:object|applet|embed)$/i.test(t))) {
      extendElementWith(element, Element.Methods);
      extendElementWith(element, Element.Methods.Simulated);
      extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);

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

    return element;
  }

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

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

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

  function extend(tagName) {

  if (F.SpecificElementExtensions) {
    extend = HTMLOBJECTELEMENT_PROTOTYPE_BUGGY ? extend_IE8 : Prototype.K;
  }

  function addMethodsToTagName(tagName, methods) {

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

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

  function copy(methods, destination, onlyIfAbsent) {
    onlyIfAbsent = onlyIfAbsent || false;

  function mergeMethods(destination, methods, onlyIfAbsent) {
    if (Object.isUndefined(onlyIfAbsent)) onlyIfAbsent = false;

    }
  }

    }
  }

        proto = element['__proto__'] || element.constructor.prototype;

     proto = element['__proto__'] || element.constructor.prototype;

  }

  var elementPrototype = window.HTMLElement ? HTMLElement.prototype :
   Element.prototype;

  if (F.ElementExtensions) {
    copy(Element.Methods, elementPrototype);
    copy(Element.Methods.Simulated, elementPrototype, true);
  }

  if (F.SpecificElementExtensions) {
    for (var tag in Element.Methods.ByTag) {
      var klass = findDOMClass(tag);
      if (Object.isUndefined(klass)) continue;
      copy(T[tag], klass.prototype);
    }
  }

  Object.extend(Element, Element.Methods);
  delete Element.ByTag;

  if (Element.extend.refresh) Element.extend.refresh();
  Element.cache = { };
};


document.viewport = {

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

  getScrollOffsets: function() {
    return Element._returnOffset(
      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
      window.pageYOffset || document.documentElement.scrollTop  || document.body.scrollTop);
  }
};

(function(viewport) {
  var B = Prototype.Browser, doc = document, element, property = {};

  function getRootElement() {
    if (B.WebKit && !doc.evaluate)
      return document;

    if (B.Opera && window.parseFloat(window.opera.version()) < 9.5)
      return document.body;

    return document.documentElement;
  }

  function define(D) {
    if (!element) element = getRootElement();

    property[D] = 'client' + D;

    viewport['get' + D] = function() { return element[property[D]] };
    return viewport['get' + D]();
  }

  viewport.getWidth  = define.curry('Width');

  viewport.getHeight = define.curry('Height');
})(document.viewport);


Element.Storage = {
  UID: 1
};

Element.addMethods({
  getStorage: function(element) {
    if (!(element = $(element))) return;

    var uid;
    if (element === window) {
      uid = 0;
    } else {
      if (typeof element._prototypeUID === "undefined")
        element._prototypeUID = Element.Storage.UID++;
      uid = element._prototypeUID;
    }

    if (!Element.Storage[uid])
      Element.Storage[uid] = $H();

    return Element.Storage[uid];
  },

  store: function(element, key, value) {
    if (!(element = $(element))) return;

  }

  function addMethods(methods) {
    if (arguments.length === 0) addFormMethods();

      Element.getStorage(element).update(key);
    } else {
      Element.getStorage(element).set(key, value);

      var tagName = methods;
      methods = arguments[1];

    return element;
  },

  retrieve: function(element, key, defaultValue) {
    if (!(element = $(element))) return;
    var hash = Element.getStorage(element), value = hash.get(key);

    if (Object.isUndefined(value)) {
      hash.set(key, defaultValue);
      value = defaultValue;
    }

    return value;
  },

  clone: function(element, deep) {
    if (!(element = $(element))) return;
    var clone = element.cloneNode(deep);
    clone._prototypeUID = void 0;
    if (deep) {
      var descendants = Element.select(clone, '*'),
          i = descendants.length;
      while (i--) {
        descendants[i]._prototypeUID = void 0;
      }

    if (!tagName) {
      Object.extend(Element.Methods, methods || {});
    } else {
      if (Object.isArray(tagName)) {
        for (var i = 0, tag; tag = tagName[i]; i++)
          addMethodsToTagName(tag, methods);
      } else {
        addMethodsToTagName(tagName, methods);
      }
    }

    var ELEMENT_PROTOTYPE = window.HTMLElement ? HTMLElement.prototype :
     Element.prototype;

    if (F.ElementExtensions) {
      mergeMethods(ELEMENT_PROTOTYPE, Element.Methods);
      mergeMethods(ELEMENT_PROTOTYPE, Element.Methods.Simulated, true);

    return Element.extend(clone);
  },

  purge: function(element) {
    if (!(element = $(element))) return;
    var purgeElement = Element._purgeElement;

    purgeElement(element);

    var descendants = element.getElementsByTagName('*'),
     i = descendants.length;

    while (i--) purgeElement(descendants[i]);

    return null;
  }
});

(function() {

    if (F.SpecificElementExtensions) {
      for (var tag in Element.Methods.ByTag) {
        var klass = findDOMClass(tag);
        if (Object.isUndefined(klass)) continue;
        mergeMethods(klass.prototype, ByTag[tag]);
      }
    }

    Object.extend(Element, Element.Methods);
    Object.extend(Element, Element.Methods.Simulated);
    delete Element.ByTag;
    delete Element.Simulated;

    Element.extend.refresh();

    ELEMENT_CACHE = {};
  }

  Object.extend(GLOBAL.Element, {
    extend:     extend,
    addMethods: addMethods
  });

  if (extend === Prototype.K) {
    GLOBAL.Element.extend.refresh = Prototype.emptyFunction;
  } else {
    GLOBAL.Element.extend.refresh = function() {
      if (Prototype.BrowserFeatures.ElementExtensions) return;
      Object.extend(Methods, Element.Methods);
      Object.extend(Methods, Element.Methods.Simulated);

      EXTENDED = {};
    };
  }

  function addFormMethods() {
    Object.extend(Form, Form.Methods);
    Object.extend(Form.Element, Form.Element.Methods);
    Object.extend(Element.Methods.ByTag, {
      "FORM":     Object.clone(Form.Methods),
      "INPUT":    Object.clone(Form.Element.Methods),
      "SELECT":   Object.clone(Form.Element.Methods),
      "TEXTAREA": Object.clone(Form.Element.Methods),
      "BUTTON":   Object.clone(Form.Element.Methods)
    });
  }

  Element.addMethods(methods);

})(this);
(function() {

      value = element.getStyle(property);

      value = getRawStyle(element, property);

    if (value === null) {

    if (value === null || Object.isUndefined(value)) {

      var decimal = toDecimal(value);
      var whole = null;
      var position = element.getStyle('position');

      var decimal = toDecimal(value), whole = null;

      var isVertical =  property.include('top') || property.include('bottom') ||

      var isVertical   = property.include('top') || property.include('bottom') ||

    if (Object.isString(number) && number.endsWith('px')) {

    if (Object.isString(number) && number.endsWith('px'))