/*  Prototype JavaScript framework, version 1.3.0
 *  (c) 2005 Sam Stephenson <sam@conio.net>
 *
 *  THIS FILE IS AUTOMATICALLY GENERATED. When sending patches, please diff
 *  against the source tree, available from the Prototype darcs repository. 
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *
 *  For details, see the Prototype web site: http://prototype.conio.net/
 *
/*--------------------------------------------------------------------------*/
//--- From base.js -----------------------------------------------------------
var Class = {
  create: function() {
    return function() { 
      this.initialize.apply(this, arguments);
    }
  }
}

var Abstract = new Object();

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

Object.prototype.extend = function(object) {
  return Object.extend.apply(this, [this, object]);
}

Function.prototype.bind = function(object) {
  var __method = this;
  return function() {
    __method.apply(object, arguments);
  }
}

Function.prototype.bindAsEventListener = function(object) {
  var __method = this;
  return function(event) {
    __method.call(object, event || window.event);
  }
}

Number.prototype.toColorPart = function() {
  var digits = this.toString(16);
  if (this < 16) return '0' + digits;
  return digits;
}

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;
  }
}

//Missing: PeriodicalExecuter

function $() {
  var elements = new Array();

  for (var i = 0; i < arguments.length; i++) {
    var element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);

    if (arguments.length == 1) 
      return element;

    elements.push(element);
  }

  return elements;
}

//Missing: compat.js
//Missing: string.js
//Missing: ajax.js

//--- From dom.js -----------------------------------------------------------
//Missing document.getElementsByClassName
if (!window.Element) {
  var Element = new Object();
}

Object.extend(Element, {
  get: function(element) {
    return $(element);
  },
  
  toggle: function() {
    for (var i = 0; i < arguments.length; i++) {
      var element = $(arguments[i]);
      if (element)
		element.style.display = 
			(element.style.display == 'none' ? '' : 'none');
    }
  },

  hide: function() {
    for (var i = 0; i < arguments.length; i++) {
      var element = $(arguments[i]);
      if (element)
		element.style.display = 'none';
    }
  },

  show: function() {
    for (var i = 0; i < arguments.length; i++) {
      var element = $(arguments[i]);
      if (element)
		element.style.display = '';
    }
  },

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

  hasClassName: function(element, className) {
    element = $(element);
    if (!element)
      return;
    var a = element.className.split(' ');
    for (var i = 0; i < a.length; i++) {
      if (a[i] == className)
        return true;
    }
    return false;
  },

  addClassName: function(element, className) {
    element = $(element);
    Element.removeClassName(element, className);
    element.className += ' ' + className;
  },

  removeClassName: function(element, className) {
    element = $(element);
    if (!element)
      return;
    var newClassName = '';
    var a = element.className.split(' ');
    for (var i = 0; i < a.length; i++) {
      if (a[i] != className) {
        if (i > 0)
          newClassName += ' ';
        newClassName += a[i];
      }
    }
    element.className = newClassName;
  },
  
  // removes whitespace-only text node children
  cleanWhitespace: function(element) {
    var 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);
    }
  }
});

//Missing: var Toggle
//Missing: Abstract.Insertion

//Missing: form.js



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

Element.Class = {
    // Element.toggleClass(element, className) toggles the class being on/off
    // Element.toggleClass(element, className1, className2) toggles between both classes,
    //   defaulting to className1 if neither exist
    toggle: function(element, className) {
      if(Element.Class.has(element, className)) {
        Element.Class.remove(element, className);
        if(arguments.length == 3) Element.Class.add(element, arguments[2]);
      } else {
        Element.Class.add(element, className);
        if(arguments.length == 3) Element.Class.remove(element, arguments[2]);
      }
    },

    // gets space-delimited classnames of an element as an array
    get: function(element) {
      element = $(element);
      return element.className.split(' ');
    },

    // functions adapted from original functions by Gavin Kistner
    remove: function(element) {
      element = $(element);
      var regEx;
      for(var i = 1; i < arguments.length; i++) {
        regEx = new RegExp("^" + arguments[i] + "\\b\\s*|\\s*\\b" + arguments[i] + "\\b", 'g');
        element.className = element.className.replace(regEx, '')
      }
    },

    add: function(element) {
      element = $(element);
      for(var i = 1; i < arguments.length; i++) {
        Element.Class.remove(element, arguments[i]);
        element.className += (element.className.length > 0 ? ' ' : '') + arguments[i];
      }
    },

    // returns true if all given classes exist in said element
    has: function(element) {
      element = $(element);
      if(!element || !element.className) return false;
      var regEx;
      for(var i = 1; i < arguments.length; i++) {
        regEx = new RegExp("\\b" + arguments[i] + "\\b");
        if(!regEx.test(element.className)) return false;
      }
      return true;
    },
    
    // expects arrays of strings and/or strings as optional paramters
    // Element.Class.has_any(element, ['classA','classB','classC'], 'classD')
    has_any: function(element) {
      element = $(element);
      if(!element || !element.className) return false;
      var regEx;
      for(var i = 1; i < arguments.length; i++) {
        if((typeof arguments[i] == 'object') && 
          (arguments[i].constructor == Array)) {
          for(var j = 0; j < arguments[i].length; j++) {
            regEx = new RegExp("\\b" + arguments[i][j] + "\\b");
            if(regEx.test(element.className)) return true;
          }
        } else {
          regEx = new RegExp("\\b" + arguments[i] + "\\b");
          if(regEx.test(element.className)) return true;
        }
      }
      return false;
    },
    
    childrenWith: function(element, className) {
      var children = $(element).getElementsByTagName('*');
      var elements = new Array();
      
      for (var i = 0; i < children.length; i++) {
        if (Element.Class.has(children[i], className)) {
          elements.push(children[i]);
          break;
        }
      }
      
      return elements;
    }
}

//Missing: Droppables