add currency-converter tutorial

1 files changed, 3542 insertions, 0 deletions

diff --git a/demos/currency-converter/assets/2bffd82d/prado.js b/demos/currency-converter/assets/2bffd82d/prado.js
new file mode 100644
index 00000000..ca95bfbb
--- /dev/null
+++ b/demos/currency-converter/assets/2bffd82d/prado.js
@@ -0,0 +1,3542 @@
+/*  Prototype JavaScript framework, version <%= PROTOTYPE_VERSION %>
+ *  (c) 2005 Sam Stephenson <sam@conio.net>
+ *
+ *  Prototype is freely distributable under the terms of an MIT-style license.
+ *  For details, see the Prototype web site: http://prototype.conio.net/
+ *
+/*--------------------------------------------------------------------------*/
+
+var Prototype = {
+  Version: '1.50',
+  ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
+  
+  emptyFunction: function() {},
+  K: function(x) {return x}
+}
+
+/*
+<%= include 'base.js', 'string.js' %>
+
+<%= include 'enumerable.js', 'array.js', 'hash.js', 'range.js' %>
+
+<%= include 'ajax.js', 'dom.js', 'selector.js', 'form.js', 'event.js', 'position.js' %>
+
+*/
+
+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;
+      }
+    }
+  }
+}
+
+
+

+/**

+ * Similar to bindAsEventLister, but takes additional arguments.

+ */

+Function.prototype.bindEvent = function()

+{

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

+	return function(event)

+	{

+		return __method.apply(object, [event || window.event].concat(args));

+	}

+}

+

+/**

+ * Creates a new function by copying function definition from

+ * the <tt>base</tt> and optional <tt>definition</tt>.

+ * @param function a base function to copy from.

+ * @param array additional definition

+ * @param function return a new function with definition from both

+ * <tt>base</tt> and <tt>definition</tt>.

+ */

+Class.extend = function(base, definition)

+{

+		var component = Class.create();

+		Object.extend(component.prototype, base.prototype);

+		if(definition)

+			Object.extend(component.prototype, definition);

+		return component;

+}

+

+/*

+	Base, version 1.0.2

+	Copyright 2006, Dean Edwards

+	License: http://creativecommons.org/licenses/LGPL/2.1/

+*/

+

+var Base = function() {

+	if (arguments.length) {

+		if (this == window) { // cast an object to this class

+			Base.prototype.extend.call(arguments[0], arguments.callee.prototype);

+		} else {

+			this.extend(arguments[0]);

+		}

+	}

+};

+

+Base.version = "1.0.2";

+

+Base.prototype = {

+	extend: function(source, value) {

+		var extend = Base.prototype.extend;

+		if (arguments.length == 2) {

+			var ancestor = this[source];

+			// overriding?

+			if ((ancestor instanceof Function) && (value instanceof Function) &&

+				ancestor.valueOf() != value.valueOf() && /\bbase\b/.test(value)) {

+				var method = value;

+			//	var _prototype = this.constructor.prototype;

+			//	var fromPrototype = !Base._prototyping && _prototype[source] == ancestor;

+				value = function() {

+					var previous = this.base;

+				//	this.base = fromPrototype ? _prototype[source] : ancestor;

+					this.base = ancestor;

+					var returnValue = method.apply(this, arguments);

+					this.base = previous;

+					return returnValue;

+				};

+				// point to the underlying method

+				value.valueOf = function() {

+					return method;

+				};

+				value.toString = function() {

+					return String(method);

+				};

+			}

+			return this[source] = value;

+		} else if (source) {

+			var _prototype = {toSource: null};

+			// do the "toString" and other methods manually

+			var _protected = ["toString", "valueOf"];

+			// if we are prototyping then include the constructor

+			if (Base._prototyping) _protected[2] = "constructor";

+			for (var i = 0; (name = _protected[i]); i++) {

+				if (source[name] != _prototype[name]) {

+					extend.call(this, name, source[name]);

+				}

+			}

+			// copy each of the source object's properties to this object

+			for (var name in source) {

+				if (!_prototype[name]) {

+					extend.call(this, name, source[name]);

+				}

+			}

+		}

+		return this;

+	},

+

+	base: function() {

+		// call this method from any other method to invoke that method's ancestor

+	}

+};

+

+Base.extend = function(_instance, _static) {

+	var extend = Base.prototype.extend;

+	if (!_instance) _instance = {};

+	// build the prototype

+	Base._prototyping = true;

+	var _prototype = new this;

+	extend.call(_prototype, _instance);

+	var constructor = _prototype.constructor;

+	_prototype.constructor = this;

+	delete Base._prototyping;

+	// create the wrapper for the constructor function

+	var klass = function() {

+		if (!Base._prototyping) constructor.apply(this, arguments);

+		this.constructor = klass;

+	};

+	klass.prototype = _prototype;

+	// build the class interface

+	klass.extend = this.extend;

+	klass.implement = this.implement;

+	klass.toString = function() {

+		return String(constructor);

+	};

+	extend.call(klass, _static);

+	// single instance

+	var object = constructor ? klass : _prototype;

+	// class initialisation

+	if (object.init instanceof Function) object.init();

+	return object;

+};

+

+Base.implement = function(_interface) {

+	if (_interface instanceof Function) _interface = _interface.prototype;

+	this.prototype.extend(_interface);

+};

+

+/*

+ * Signals and Slots for Prototype: Easy custom javascript events

+ * http://tetlaw.id.au/view/blog/signals-and-slots-for-prototype-easy-custom-javascript-events

+ * Andrew Tetlaw

+ * Version 1.2 (2006-06-19)

+ *

+ * http://creativecommons.org/licenses/by-sa/2.5/

+ *

+Signal = {

+	throwErrors : true,

+	MT : function(){ return true },

+	connect : function(obj1, func1, obj2, func2, options) {

+		var options = Object.extend({

+			connectOnce : false,

+			before : false,

+			mutate : function() {return arguments;}

+		}, options || {});

+		if(typeof func1 != 'string' || typeof func2 != 'string') return;

+

+		var sigObj = obj1 || window;

+		var slotObj = obj2 || window;

+		var signame = func1+'__signal_';

+		var slotsname = func1+'__slots_';

+		if(!sigObj[signame]) {

+			// having the slotFunc in a var and setting it by using an anonymous function in this way

+			// is apparently a good way to prevent memory leaks in IE if the objects are DOM nodes.

+			var slotFunc = function() {

+				var args = [];

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

+					args.push(arguments[x]);

+				}

+				args = options.mutate.apply(null,args)

+				var result;

+				if(!options.before) result = sigObj[signame].apply(sigObj,arguments); //default: call sign before slot

+				sigObj[slotsname].each(function(slot){

+					try {

+						if(slot && slot[0]) { // testing for null, a disconnect may have nulled this slot

+							slot[0][slot[1]].apply(slot[0],args); //[0] = obj, [1] = func name

+						}

+					} catch(e) {

+						if(Signal.throwErrors) throw e;

+					}

+				});

+				if(options.before) result = sigObj[signame].apply(sigObj,arguments); //call slot before sig

+				return result; //return sig result

+			};

+			(function() {

+				sigObj[slotsname] = $A([]);

+				sigObj[signame] = sigObj[func1] || Signal.MT;

+				sigObj[func1] = slotFunc;

+			})();

+		}

+		var con = (sigObj[slotsname].length > 0) ?

+					(options.connectOnce ? !sigObj[slotsname].any(function(slot) { return (slot[0] == slotObj && slot[1] == func2) }) : true) :

+					true;

+		if(con) {

+			sigObj[slotsname].push([slotObj,func2]);

+		}

+	},

+	connectOnce : function(obj1, func1, obj2, func2, options) {

+		Signal.connect(obj1, func1, obj2, func2, Object.extend(options || {}, {connectOnce : true}))

+	},

+	disconnect : function(obj1, func1, obj2, func2, options) {

+		var options = Object.extend({

+			disconnectAll : false

+		}, options || {});

+		if(typeof func1 != 'string' || typeof func2 != 'string') return;

+

+		var sigObj = obj1 || window;

+		var slotObj = obj2 || window;

+		var signame = func1+'__signal_';

+		var slotsname = func1+'__slots_';

+

+		// I null them in this way so that any currectly active signal will read a null slot,

+		// otherwise the slot will be applied even though it's been disconnected

+		if(sigObj[slotsname]) {

+			if(options.disconnectAll) {

+				sigObj[slotsname] = sigObj[slotsname].collect(function(slot) {

+					if(slot[0] == slotObj && slot[1] == func2) {

+						slot[0] = null;

+						return null;

+					} else {

+						return slot;

+					}

+				}).compact();

+			} else {

+				var idx = -1;

+				sigObj[slotsname] = sigObj[slotsname].collect(function(slot, index) {

+					if(slot[0] == slotObj && slot[1] == func2 && idx < 0) {  //disconnect first match

+						idx = index;

+						slot[0] = null;

+						return null;

+					} else {

+						return slot;

+					}

+				}).compact();

+			}

+		}

+	},

+	disconnectAll : function(obj1, func1, obj2, func2, options) {

+		Signal.disconnect(obj1, func1, obj2, func2, Object.extend(options || {}, {disconnectAll : true}))

+	}

+}

+*/

+

+/*

+ Tests

+

+//   1. Simple Test 1 "hello Fred" should trigger "Fred is a stupid head"

+

+

+      sayHello = function(n) {

+      	alert("Hello! " + n);

+      }

+      moron = function(n) {

+      	alert(n + " is a stupid head");

+      }

+      Signal.connect(null,'sayHello',null,'moron');

+

+      onclick="sayHello('Fred')"

+

+

+//   2. Simple Test 2 repeated insults about Fred

+

+

+      Signal.connect(null,'sayHello2',null,'moron2');

+      Signal.connect(null,'sayHello2',null,'moron2');

+      Signal.connect(null,'sayHello2',null,'moron2');

+

+

+//   3. Simple Test 3 multiple insults about Fred

+

+

+      Signal.connect(null,'sayHello3',null,'moron3');

+      Signal.connect(null,'sayHello3',null,'bonehead3');

+      Signal.connect(null,'sayHello3',null,'idiot3');

+

+

+//   4. Simple Test 4 3 insults about Fred first - 3 then none

+

+

+      Signal.connect(null,'sayHello4',null,'moron4');

+      Signal.connect(null,'sayHello4',null,'moron4');

+      Signal.connect(null,'sayHello4',null,'moron4');

+      Signal.disconnect(null,'sayHello4',null,'moron4');

+      Signal.disconnect(null,'sayHello4',null,'moron4');

+      Signal.disconnect(null,'sayHello4',null,'moron4');

+

+

+//   5. Simple Test 5 connect 3 insults about Fred first - only one, then none

+

+

+      Signal.connect(null,'sayHello5',null,'moron5');

+      Signal.connect(null,'sayHello5',null,'moron5');

+      Signal.connect(null,'sayHello5',null,'moron5');

+      Signal.disconnectAll(null,'sayHello5',null,'moron5');

+

+

+//   6. Simple Test 6 connect 3 insults but only one comes out

+

+

+      Signal.connectOnce(null,'sayHello6',null,'moron6');

+      Signal.connectOnce(null,'sayHello6',null,'moron6');

+      Signal.connectOnce(null,'sayHello6',null,'moron6');

+

+

+//   7. Simple Test 7 connect via objects

+

+

+      var o = {};

+      o.sayHello = function(n) {

+      	alert("Hello! " + n + " (from object o)");

+      }

+      var m = {};

+      m.moron = function(n) {

+      	alert(n + " is a stupid head (from object m)");

+      }

+

+      Signal.connect(o,'sayHello',m,'moron');

+

+      onclick="o.sayHello('Fred')"

+

+

+//   8. Simple Test 8 connect but the insult comes first using {before:true}

+

+

+      Signal.connect(null,'sayHello8',null,'moron8', {before:true});

+

+

+//   9. Simple Test 9 connect but the insult is mutated

+

+

+      Signal.connect(null,'sayHello9',null,'moron9', {mutate:function() { return ['smelly ' + arguments[0]] }});

+

+ */
+
+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();
+    });
+  }
+}
+
+
+/**

+ * @class String extensions

+ */

+Object.extend(String.prototype, 

+{

+	/**

+	 * @param {String} "left" to pad the string on the left, "right" to pad right.

+	 * @param {Number} minimum string length.

+	 * @param {String} character(s) to pad 

+	 * @return {String} padded character(s) on the left or right to satisfy minimum string length

+	 */

+

+	pad : function(side, len, chr) {

+		if (!chr) chr = ' ';

+		var s = this;

+		var left = side.toLowerCase()=='left';

+		while (s.length<len) s = left? chr + s : s + chr;

+		return s;

+	},

+

+	/**

+	 * @param {Number} minimum string length.

+	 * @param {String} character(s) to pad 

+	 * @return {String} padded character(s) on the left to satisfy minimum string length

+	 */

+	padLeft : function(len, chr) {

+		return this.pad('left',len,chr);

+	},

+

+	/**

+	 * @param {Number} minimum string length.

+	 * @param {String} character(s) to pad 

+	 * @return {String} padded character(s) on the right to satisfy minimum string length

+	 */

+	padRight : function(len, chr) {

+		return this.pad('right',len,chr);

+	},

+

+	/**

+	 * @param {Number} minimum string length.

+	 * @return {String} append zeros to the left to satisfy minimum string length.

+	 */

+	zerofill : function(len) { 

+		return this.padLeft(len,'0');

+	},

+

+	/**

+	 * @return {String} removed white spaces from both ends.

+	 */

+	trim : function() { 

+		return this.replace(/^\s+|\s+$/g,'');

+	},

+

+	/**

+	 * @return {String} removed white spaces from the left end.

+	 */

+	trimLeft : function() { 

+		return this.replace(/^\s+/,''); 

+	},

+

+	/**

+	 * @return {String} removed white spaces from the right end.

+	 */

+	trimRight : function() { 

+		return this.replace(/\s+$/,'');

+	},

+

+	/**

+	 * Convert period separated function names into a function reference.

+	 * e.g. "Prado.AJAX.Callback.Action.setValue".toFunction() will return

+	 * the actual function Prado.AJAX.Callback.Action.setValue()

+	 * @return {Function} the corresponding function represented by the string.

+	 */

+	toFunction : function()

+	{

+		var commands = this.split(/\./);

+		var command = window;

+		commands.each(function(action)

+		{ 

+			if(command[new String(action)]) 

+				command=command[new String(action)]; 

+		});

+		if(typeof(command) == "function")

+			return command;

+		else

+		{

+			if(typeof Logger != "undefined")

+				Logger.error("Missing function", this);

+				

+			throw new Error	("Missing function '"+this+"'");

+		}

+	},

+

+	/** 

+	 * Convert a string into integer, returns null if not integer.

+	 * @return {Number} null if string does not represent an integer.

+	 */

+	toInteger : function()

+	{

+		var exp = /^\s*[-\+]?\d+\s*$/;

+		if (this.match(exp) == null)

+			return null;

+		var num = parseInt(this, 10);

+		return (isNaN(num) ? null : num);

+	},

+

+	/** 

+	 * Convert a string into a double/float value. <b>Internationalization 

+	 * is not supported</b>

+	 * @param {String} the decimal character

+	 * @return {Double} null if string does not represent a float value

+	 */

+	toDouble : function(decimalchar)

+	{

+		if(this.length <= 0) return null;

+		decimalchar = decimalchar || ".";

+		var exp = new RegExp("^\\s*([-\\+])?(\\d+)?(\\" + decimalchar + "(\\d+))?\\s*$");

+		var m = this.match(exp);

+		

+		if (m == null)	

+			return null;

+		m[1] = m[1] || "";

+		m[2] = m[2] || "0";

+		m[4] = m[4] || "0";

+				

+		var cleanInput = m[1] + (m[2].length>0 ? m[2] : "0") + "." + m[4];

+		var num = parseFloat(cleanInput);

+		return (isNaN(num) ? null : num);

+	},

+

+	/**

+	 * Convert strings that represent a currency value (e.g. a float with grouping 

+	 * characters) to float. E.g. "10,000.50" will become "10000.50". The number 

+	 * of dicimal digits, grouping and decimal characters can be specified.

+	 * <i>The currency input format is <b>very</b> strict, null will be returned if

+	 * the pattern does not match</i>.

+	 * @param {String} the grouping character, default is ","

+	 * @param {Number} number of decimal digits

+	 * @param {String} the decimal character, default is "."

+	 * @type {Double} the currency value as float.

+	 */

+	toCurrency : function(groupchar, digits, decimalchar)

+	{

+		groupchar = groupchar || ",";

+		decimalchar = decimalchar || ".";

+		digits = typeof(digits) == "undefined" ? 2 : digits;

+

+		var exp = new RegExp("^\\s*([-\\+])?(((\\d+)\\" + groupchar + ")*)(\\d+)"

+			+ ((digits > 0) ? "(\\" + decimalchar + "(\\d{1," + digits + "}))?" : "")

+			+ "\\s*$");

+		var m = this.match(exp);

+		if (m == null)

+			return null;

+		var intermed = m[2] + m[5] ;

+		var cleanInput = m[1] + intermed.replace(

+				new RegExp("(\\" + groupchar + ")", "g"), "") 

+								+ ((digits > 0) ? "." + m[7] : "");

+		var num = parseFloat(cleanInput);

+		return (isNaN(num) ? null : num);

+	},

+

+	/**

+	 * Converts the string to a date by finding values that matches the 

+	 * date format pattern.

+	 * @param string date format pattern, e.g. MM-dd-yyyy

+	 * @return {Date} the date extracted from the string

+	 */

+	toDate : function(format)

+	{

+		return Date.SimpleParse(this, format);

+	}

+});
+
+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)
+	{
+	  //special case for PHP, array post data.
+	  if(typeof(pair[1]) == 'object' || typeof(pair[1]) == 'array')
+	  {
+	  	return $A(pair[1]).collect(function(value)
+		{
+			return encodeURIComponent(pair[0])+'='+encodeURIComponent(value);

+		}).join('&');

+	  }
+	  else
+ 	     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);
+}
+
+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()];
+    if (!value) {
+      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 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) {
+  	if(typeof(element.type) == "undefined")
+		return false;
+    switch (element.type.toLowerCase()) {
+      case 'submit':
+      case 'hidden':
+      case 'password':
+      case 'text':
+        return Form.Element.Serializers.textarea(element);
+      case 'checkbox':
+      case 'radio':
+        return Form.Element.Serializers.inputSelector(element);
+    }
+    return false;
+  },
+
+  inputSelector: function(element) {
+    if (element.checked)
+      return [element.name, element.value];
+  },
+
+  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 || opt.text;
+    }
+    return [element.name, value];
+  },
+
+  selectMany: function(element) {
+    var value = [];
+    for (var i = 0; i < element.length; i++) {
+      var opt = element.options[i];
+      if (opt.selected)
+        value.push(opt.value || opt.text);
+    }
+    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,
+  KEY_SPACEBAR: 32,
+
+  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);
+
+
+/**

+ * @class Event extensions.

+ */

+Object.extend(Event,

+{

+	/**

+	 * Register a function to be executed when the page is loaded.

+	 * Note that the page is only loaded if all resources (e.g. images)

+	 * are loaded.

+	 *

+	 * Example: Show an alert box with message "Page Loaded!" when the

+	 * page finished loading.

+	 * <code>

+	 * Event.OnLoad(function(){ alert("Page Loaded!"); });

+	 * </code>

+	 *

+	 * @param {Function} function to execute when page is loaded.

+	 */

+	OnLoad : function (fn)

+	{

+		// opera onload is in document, not window

+		var w = document.addEventListener &&

+					!window.addEventListener ? document : window;

+		Event.observe(w,'load',fn);

+	},

+

+	/**

+	 * @param {Event} a keyboard event

+	 * @return {Number} the Unicode character code generated by the key

+	 * that was struck.

+	 */

+	keyCode : function(e)

+	{

+	   return e.keyCode != null ? e.keyCode : e.charCode

+	},

+

+	/**

+	 * @param {String} event type or event name.

+	 * @return {Boolean} true if event type is of HTMLEvent, false

+	 * otherwise

+	 */

+	isHTMLEvent : function(type)

+	{

+		var events = ['abort', 'blur', 'change', 'error', 'focus',

+					'load', 'reset', 'resize', 'scroll', 'select',

+					'submit', 'unload'];

+		return events.include(type);

+	},

+

+	/**

+	 * @param {String} event type or event name

+	 * @return {Boolean} true if event type is of MouseEvent,

+	 * false otherwise

+	 */

+	isMouseEvent : function(type)

+	{

+		var events = ['click', 'mousedown', 'mousemove', 'mouseout',

+					'mouseover', 'mouseup'];

+		return events.include(type);

+	},

+

+	/**

+	 * Dispatch the DOM event of a given <tt>type</tt> on a DOM

+	 * <tt>element</tt>. Only HTMLEvent and MouseEvent can be

+	 * dispatched, keyboard events or UIEvent can not be dispatch

+	 * via javascript consistently.

+	 * For the "submit" event the submit() method is called.

+	 * @param {Object} element id string or a DOM element.

+	 * @param {String} event type to dispatch.

+	 */

+	fireEvent : function(element,type,canBubble)

+	{

+		canBubble = (typeof(canBubble) == undefined) ? true : canBubble;

+		element = $(element);

+		if(type == "submit")

+			return element.submit();

+		if(document.createEvent)

+        {

+			if(Event.isHTMLEvent(type))

+			{

+				var event = document.createEvent('HTMLEvents');

+	            event.initEvent(type, canBubble, true);

+			}

+			else if(Event.isMouseEvent(type))

+			{

+				var event = document.createEvent('MouseEvents');

+				if (event.initMouseEvent)

+		        {

+					event.initMouseEvent(type,canBubble,true,

+						document.defaultView, 1, 0, 0, 0, 0, false,

+								false, false, false, 0, null);

+		        }

+		        else

+		        {

+		            // Safari

+		            // TODO we should be initialising other mouse-event related attributes here

+		            event.initEvent(type, canBubble, true);

+		        }

+			}

+            element.dispatchEvent(event);

+        }

+        else if(document.createEventObject)

+        {

+        	var evObj = document.createEventObject();

+            element.fireEvent('on'+type, evObj);

+        }

+        else if(typeof(element['on'+type]) == "function")

+            element['on'+type]();

+	}

+});
+
+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];
+  }
+}
+
+
+
+
+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; \
+      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();
+}
+
+
+// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+//
+// See scriptaculous.js for full license.
+
+var Builder = {
+  NODEMAP: {
+    AREA: 'map',
+    CAPTION: 'table',
+    COL: 'table',
+    COLGROUP: 'table',
+    LEGEND: 'fieldset',
+    OPTGROUP: 'select',
+    OPTION: 'select',
+    PARAM: 'object',
+    TBODY: 'table',
+    TD: 'table',
+    TFOOT: 'table',
+    TH: 'table',
+    THEAD: 'table',
+    TR: 'table'
+  },
+  // note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
+  //       due to a Firefox bug
+  node: function(elementName) {
+    elementName = elementName.toUpperCase();
+    
+    // try innerHTML approach
+    var parentTag = this.NODEMAP[elementName] || 'div';
+    var parentElement = document.createElement(parentTag);
+    try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
+      parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
+    } catch(e) {}
+    var element = parentElement.firstChild || null;
+      
+    // see if browser added wrapping tags
+    if(element && (element.tagName != elementName))
+      element = element.getElementsByTagName(elementName)[0];
+    
+    // fallback to createElement approach
+    if(!element) element = document.createElement(elementName);
+    
+    // abort if nothing could be created
+    if(!element) return;
+
+    // attributes (or text)
+    if(arguments[1])
+      if(this._isStringOrNumber(arguments[1]) ||
+        (arguments[1] instanceof Array)) {
+          this._children(element, arguments[1]);
+        } else {
+          var attrs = this._attributes(arguments[1]);
+          if(attrs.length) {
+            try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
+              parentElement.innerHTML = "<" +elementName + " " +
+                attrs + "></" + elementName + ">";
+            } catch(e) {}
+            element = parentElement.firstChild || null;
+            // workaround firefox 1.0.X bug
+            if(!element) {
+              element = document.createElement(elementName);
+              for(attr in arguments[1]) 
+                element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
+            }
+            if(element.tagName != elementName)
+              element = parentElement.getElementsByTagName(elementName)[0];
+            }
+        } 
+
+    // text, or array of children
+    if(arguments[2])
+      this._children(element, arguments[2]);
+
+     return element;
+  },
+  _text: function(text) {
+     return document.createTextNode(text);
+  },
+  _attributes: function(attributes) {
+    var attrs = [];
+    for(attribute in attributes)
+      attrs.push((attribute=='className' ? 'class' : attribute) +
+          '="' + attributes[attribute].toString().escapeHTML() + '"');
+    return attrs.join(" ");
+  },
+  _children: function(element, children) {
+    if(typeof children=='object') { // array can hold nodes and text
+      children.flatten().each( function(e) {
+        if(typeof e=='object')
+          element.appendChild(e)
+        else
+          if(Builder._isStringOrNumber(e))
+            element.appendChild(Builder._text(e));
+      });
+    } else
+      if(Builder._isStringOrNumber(children)) 
+         element.appendChild(Builder._text(children));
+  },
+  _isStringOrNumber: function(param) {
+    return(typeof param=='string' || typeof param=='number');
+  }
+}
+
+

+Object.extend(Builder,

+{

+	exportTags:function()

+	{

+		var tags=["BUTTON","TT","PRE","H1","H2","H3","BR","CANVAS","HR","LABEL","TEXTAREA","FORM","STRONG","SELECT","OPTION","OPTGROUP","LEGEND","FIELDSET","P","UL","OL","LI","TD","TR","THEAD","TBODY","TFOOT","TABLE","TH","INPUT","SPAN","A","DIV","IMG", "CAPTION"];

+		tags.each(function(tag)

+		{

+			window[tag]=function()

+			{

+				var args=$A(arguments);

+				if(args.length==0)

+					return Builder.node(tag,null);

+				if(args.length==1)

+					return Builder.node(tag,args[0]);

+				if(args.length>1)

+					return Builder.node(tag,args.shift(),args);

+

+			};

+		});

+	}

+});

+

+Builder.exportTags();

+
+
+

+Object.extend(Date.prototype,

+{	

+	SimpleFormat: function(format, data)

+	{

+		data = data || {};

+		var bits = new Array();

+		bits['d'] = this.getDate();

+		bits['dd'] = String(this.getDate()).zerofill(2);

+		

+		bits['M'] = this.getMonth()+1;

+		bits['MM'] = String(this.getMonth()+1).zerofill(2);

+		if(data.AbbreviatedMonthNames)

+			bits['MMM'] = data.AbbreviatedMonthNames[this.getMonth()];

+		if(data.MonthNames)

+			bits['MMMM'] = data.MonthNames[this.getMonth()];

+		var yearStr = "" + this.getFullYear();

+		yearStr = (yearStr.length == 2) ? '19' + yearStr: yearStr;

+		bits['yyyy'] = yearStr;

+		bits['yy'] = bits['yyyy'].toString().substr(2,2);

+		

+		// do some funky regexs to replace the format string

+		// with the real values

+		var frm = new String(format);

+		for (var sect in bits) 

+		{

+			var reg = new RegExp("\\b"+sect+"\\b" ,"g");

+			frm = frm.replace(reg, bits[sect]);

+		}

+		return frm;

+	},

+

+	toISODate : function()

+	{

+		var y = this.getFullYear();

+		var m = String(this.getMonth() + 1).zerofill(2);

+		var d = String(this.getDate()).zerofill(2);

+		return String(y) + String(m) + String(d);

+	}

+});

+

+Object.extend(Date, 

+{

+	SimpleParse: function(value, format)

+	{	

+		val=String(value);

+		format=String(format);

+		

+		if(val.length <= 0) return null;

+		

+		if(format.length <= 0) return new Date(value);

+			

+		var isInteger = function (val) 

+		{

+			var digits="1234567890";

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

+			{

+				if (digits.indexOf(val.charAt(i))==-1) { return false; }

+			}

+			return true;

+		};

+		

+		var getInt = function(str,i,minlength,maxlength) 

+		{

+			for (var x=maxlength; x>=minlength; x--) 

+			{

+				var token=str.substring(i,i+x);

+				if (token.length < minlength) { return null; }

+				if (isInteger(token)) { return token; }

+			}

+			return null;

+		};

+	

+		var i_val=0;

+		var i_format=0;

+		var c="";

+		var token="";

+		var token2="";

+		var x,y;

+		var now=new Date();

+		var year=now.getFullYear();

+		var month=now.getMonth()+1;

+		var date=1;

+	

+		while (i_format < format.length) 

+		{

+			// Get next token from format string

+			c=format.charAt(i_format);

+			token="";

+			while ((format.charAt(i_format)==c) && (i_format < format.length)) 

+			{

+				token += format.charAt(i_format++);

+			}

+		

+			// Extract contents of value based on format token

+			if (token=="yyyy" || token=="yy" || token=="y") 

+			{

+				if (token=="yyyy") { x=4;y=4; }

+				if (token=="yy")   { x=2;y=2; }

+				if (token=="y")    { x=2;y=4; }

+				year=getInt(val,i_val,x,y);

+				if (year==null) { return null; }

+				i_val += year.length;

+				if (year.length==2) 

+				{

+					if (year > 70) { year=1900+(year-0); }

+					else { year=2000+(year-0); }

+				}

+			}

+

+			else if (token=="MM"||token=="M") 

+			{

+				month=getInt(val,i_val,token.length,2);

+				if(month==null||(month<1)||(month>12)){return null;}

+				i_val+=month.length;

+			}

+			else if (token=="dd"||token=="d") 

+			{

+				date=getInt(val,i_val,token.length,2);

+				if(date==null||(date<1)||(date>31)){return null;}

+				i_val+=date.length;

+			}

+			else 

+			{

+				if (val.substring(i_val,i_val+token.length)!=token) {return null;}

+				else {i_val+=token.length;}

+			}

+		}

+	

+		// If there are any trailing characters left in the value, it doesn't match

+		if (i_val != val.length) { return null; }

+		

+		// Is date valid for month?

+		if (month==2) 

+		{

+			// Check for leap year

+			if ( ( (year%4==0)&&(year%100 != 0) ) || (year%400==0) ) { // leap year

+				if (date > 29){ return null; }

+			}

+			else { if (date > 28) { return null; } }

+		}

+	

+		if ((month==4)||(month==6)||(month==9)||(month==11)) 

+		{

+			if (date > 30) { return null; }

+		}

+		

+		var newdate=new Date(year,month-1,date, 0, 0, 0);

+		return newdate;

+	}

+});
+
+

+var Prado =

+{

+	Version: '3.1',

+

+	/**

+	 * Returns browser information. Example

+	 * <code>

+	 * var browser = Prado.Browser();

+	 * alert(browser.ie); //should ouput true if IE, false otherwise

+	 * </code>

+	 * @param ${parameter}

+	 * @return ${return}

+	 */

+	Browser : function()

+	{

+		var info = { Version : "1.0" };

+		var is_major = parseInt( navigator.appVersion );

+		info.nver = is_major;

+		info.ver = navigator.appVersion;

+		info.agent = navigator.userAgent;

+		info.dom = document.getElementById ? 1 : 0;

+		info.opera = window.opera ? 1 : 0;

+		info.ie5 = ( info.ver.indexOf( "MSIE 5" ) > -1 && info.dom && !info.opera ) ? 1 : 0;

+		info.ie6 = ( info.ver.indexOf( "MSIE 6" ) > -1 && info.dom && !info.opera ) ? 1 : 0;

+		info.ie4 = ( document.all && !info.dom && !info.opera ) ? 1 : 0;

+		info.ie = info.ie4 || info.ie5 || info.ie6;

+		info.mac = info.agent.indexOf( "Mac" ) > -1;

+		info.ns6 = ( info.dom && parseInt( info.ver ) >= 5 ) ? 1 : 0;

+		info.ie3 = ( info.ver.indexOf( "MSIE" ) && ( is_major < 4 ) );

+		info.hotjava = ( info.agent.toLowerCase().indexOf( 'hotjava' ) != -1 ) ? 1 : 0;

+		info.ns4 = ( document.layers && !info.dom && !info.hotjava ) ? 1 : 0;

+		info.bw = ( info.ie6 || info.ie5 || info.ie4 || info.ns4 || info.ns6 || info.opera );

+		info.ver3 = ( info.hotjava || info.ie3 );

+		info.opera7 = ( ( info.agent.toLowerCase().indexOf( 'opera 7' ) > -1 ) || ( info.agent.toLowerCase().indexOf( 'opera/7' ) > -1 ) );

+		info.operaOld = info.opera && !info.opera7;

+		return info;

+	},

+

+	ImportCss : function(doc, css_file)

+	{

+		if (Prado.Browser().ie)

+			var styleSheet = doc.createStyleSheet(css_file);

+		else

+		{

+			var elm = doc.createElement("link");

+

+			elm.rel = "stylesheet";

+			elm.href = css_file;

+

+			if (headArr = doc.getElementsByTagName("head"))

+				headArr[0].appendChild(elm);

+		}

+	}

+};

+
+
+/*Prado.Focus = Class.create();

+

+Prado.Focus.setFocus = function(id)

+{

+	var target = document.getElementById ? document.getElementById(id) : document.all[id];

+	if(target && !Prado.Focus.canFocusOn(target))

+	{

+		target = Prado.Focus.findTarget(target);

+	}

+	if(target)

+	{

+        try

+		{

+            target.focus();

+			target.scrollIntoView(false);

+            if (window.__smartNav)

+			{

+				window.__smartNav.ae = target.id;

+			}

+		}

+        catch (e)

+		{

+		}

+	}

+}

+

+Prado.Focus.canFocusOn = function(element)

+{

+	if(!element || !(element.tagName))

+		return false;

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

+	return !element.disabled && (!element.type || element.type.toLowerCase() != "hidden") && Prado.Focus.isFocusableTag(tagName) && Prado.Focus.isVisible(element);

+}

+

+Prado.Focus.isFocusableTag = function(tagName)

+{

+	return (tagName == "input" || tagName == "textarea" || tagName == "select" || tagName == "button" || tagName == "a");

+}

+

+

+Prado.Focus.findTarget = function(element)

+{

+	if(!element || !(element.tagName))

+	{

+		return null;

+	}

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

+	if (tagName == "undefined")

+	{

+		return null;

+	}

+	var children = element.childNodes;

+	if (children)

+	{

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

+		{

+			try

+			{

+				if(Prado.Focus.canFocusOn(children[i]))

+				{

+					return children[i];

+				}

+				else

+				{

+					var target = Prado.Focus.findTarget(children[i]);

+					if(target)

+					{

+						return target;

+					}

+				}

+			}

+			catch (e)

+			{

+			}

+		}

+	}

+	return null;

+}

+

+Prado.Focus.isVisible = function(element)

+{

+	var current = element;

+	while((typeof(current) != "undefined") && (current != null))

+	{

+		if(current.disabled || (typeof(current.style) != "undefined" && ((typeof(current.style.display) != "undefined" && current.style.display == "none") || (typeof(current.style.visibility) != "undefined" && current.style.visibility == "hidden") )))

+		{

+			return false;

+		}

+		if(typeof(current.parentNode) != "undefined" &&	current.parentNode != null && current.parentNode != current && current.parentNode.tagName.toLowerCase() != "body")

+		{

+			current = current.parentNode;

+		}

+		else

+		{

+			return true;

+		}

+	}

+    return true;

+}

+*/

+

+

+Prado.PostBack = function(event,options)

+{

+	var form = $(options['FormID']);

+	var canSubmit = true;

+

+	if(options['CausesValidation'] && typeof(Prado.Validation) != "undefined")

+	{

+		if(!Prado.Validation.validate(options['FormID'], options['ValidationGroup'], $(options['ID'])))

+			return Event.stop(event);

+	}

+

+	if(options['PostBackUrl'] && options['PostBackUrl'].length > 0)

+		form.action = options['PostBackUrl'];

+

+	if(options['TrackFocus'])

+	{

+		var lastFocus = $('PRADO_LASTFOCUS');

+		if(lastFocus)

+		{

+			var active = document.activeElement; //where did this come from

+			if(active)

+				lastFocus.value = active.id;

+			else

+				lastFocus.value = options['EventTarget'];

+		}

+	}

+

+	$('PRADO_POSTBACK_TARGET').value = options['EventTarget'];

+	$('PRADO_POSTBACK_PARAMETER').value = options['EventParameter'];

+	/**

+	 * Since google toolbar prevents browser default action,

+	 * we will always disable default client-side browser action

+	 */

+	/*if(options['StopEvent']) */

+		Event.stop(event);

+	Event.fireEvent(form,"submit");

+}

+

+/*

+

+Prado.doPostBack = function(formID, eventTarget, eventParameter, performValidation, validationGroup, actionUrl, trackFocus, clientSubmit)

+{

+	if (typeof(performValidation) == 'undefined')

+	{

+		var performValidation = false;

+		var validationGroup = '';

+		var actionUrl = null;

+		var trackFocus = false;

+		var clientSubmit = true;

+	}

+	var theForm = document.getElementById ? document.getElementById(formID) : document.forms[formID];

+	var canSubmit = true;

+    if (performValidation)

+	{

+		//canSubmit = Prado.Validation.validate(validationGroup);

+	*	Prado.Validation.ActiveTarget = theForm;

+		Prado.Validation.CurrentTargetGroup = null;

+		Prado.Validation.IsGroupValidation = false;

+		canSubmit = Prado.Validation.IsValid(theForm);

+		Logger.debug(canSubmit);*

+		canSubmit = Prado.Validation.IsValid(theForm);

+	}

+	if (canSubmit)

+	{

+		if (actionUrl != null && (actionUrl.length > 0))

+		{

+			theForm.action = actionUrl;

+		}

+		if (trackFocus)

+		{

+			var lastFocus = theForm.elements['PRADO_LASTFOCUS'];

+			if ((typeof(lastFocus) != 'undefined') && (lastFocus != null))

+			{

+				var active = document.activeElement;

+				if (typeof(active) == 'undefined')

+				{

+					lastFocus.value = eventTarget;

+				}

+				else

+				{

+					if ((active != null) && (typeof(active.id) != 'undefined'))

+					{

+						if (active.id.length > 0)

+						{

+							lastFocus.value = active.id;

+						}

+						else if (typeof(active.name) != 'undefined')

+						{

+							lastFocus.value = active.name;

+						}

+					}

+				}

+			}

+		}

+		if (!clientSubmit)

+		{

+			canSubmit = false;

+		}

+	}

+	if (canSubmit && (!theForm.onsubmit || theForm.onsubmit()))

+	{

+		theForm.PRADO_POSTBACK_TARGET.value = eventTarget;

+		theForm.PRADO_POSTBACK_PARAMETER.value = eventParameter;

+		theForm.submit();

+	}

+}

+*/
+
+Prado.Element =

+{

+	/**

+	 * Set the value of a particular element.

+	 * @param string element id

+	 * @param string new element value.

+	 */

+	setValue : function(element, value)

+	{

+		var el = $(element);

+		if(el && typeof(el.value) != "undefined")

+			el.value = value;

+	},

+

+	select : function(element, method, value, total)

+	{

+		var el = $(element);

+		var selection = Prado.Element.Selection;

+		if(typeof(selection[method]) == "function")

+		{

+			control = selection.isSelectable(el) ? [el] : selection.getListElements(element,total);

+			selection[method](control, value);

+		}

+	},

+

+	click : function(element)

+	{

+		var el = $(element);

+		if(el)

+			Event.fireEvent(el,'click');

+	},

+

+	setAttribute : function(element, attribute, value)

+	{

+		var el = $(element);

+		if((attribute == "disabled" || attribute == "multiple") && value==false)

+			el.removeAttribute(attribute);

+		else if(attribute.match(/^on/i)) //event methods

+		{

+			try

+			{

+				eval("(func = function(event){"+value+"})");

+				el[attribute] = func;

+			}

+			catch(e)

+			{

+				throw "Error in evaluating '"+value+"' for attribute "+attribute+" for element "+element.id;

+			}

+		}

+		else

+			el.setAttribute(attribute, value);

+	},

+

+	setOptions : function(element, options)

+	{

+		var el = $(element);

+		if(el && el.tagName.toLowerCase() == "select")

+		{

+			el.options.length = options.length;

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

+				el.options[i] = new Option(options[i][0],options[i][1]);

+		}

+	},

+

+	/**

+	 * A delayed focus on a particular element

+	 * @param {element} element to apply focus()

+	 */

+	focus : function(element)

+	{

+		var obj = $(element);

+		if(typeof(obj) != "undefined" && typeof(obj.focus) != "undefined")

+			setTimeout(function(){ obj.focus(); }, 100);

+		return false;

+	},

+

+	replace : function(element, method, content, boundary)

+	{

+		if(boundary)

+		{

+			result = Prado.Element.extractContent(this.transport.responseText, boundary);

+			if(result != null)

+				content = result;

+		}

+		if(typeof(element) == "string")

+		{

+			if($(element))

+				method.toFunction().apply(this,[element,""+content]);

+		}

+		else

+		{

+			method.toFunction().apply(this,[""+content]);

+		}

+	},

+

+	extractContent : function(text, boundary)

+	{

+		f = RegExp('(<!--'+boundary+'-->)([\\s\\S\\w\\W]*)(<!--//'+boundary+'-->)',"m");

+		result = text.match(f);

+		if(result && result.length >= 2)

+			return result[2];

+		else

+			return null;

+	},

+

+	evaluateScript : function(content)

+	{

+		content.evalScripts();

+	}

+}

+

+Prado.Element.Selection =

+{

+	isSelectable : function(el)

+	{

+		if(el && el.type)

+		{

+			switch(el.type.toLowerCase())

+			{

+				case 'checkbox':

+				case 'radio':

+				case 'select':

+				case 'select-multiple':

+				case 'select-one':

+				return true;

+			}

+		}

+		return false;

+	},

+

+	inputValue : function(el, value)

+	{

+		switch(el.type.toLowerCase())

+		{

+			case 'checkbox':

+			case 'radio':

+			return el.checked = value;

+		}

+	},

+

+	selectValue : function(elements, value)

+	{

+		elements.each(function(el)

+		{

+			$A(el.options).each(function(option)

+			{

+				if(typeof(value) == "boolean")

+					options.selected = value;

+				else if(option.value == value)

+					option.selected = true;

+			});

+		})

+	},

+

+	selectValues : function(elements, values)

+	{

+		selection = this;

+		values.each(function(value)

+		{

+			selection.selectValue(elements,value);

+		})

+	},

+

+	selectIndex : function(elements, index)

+	{

+		elements.each(function(el)

+		{

+			if(el.type.toLowerCase() == 'select-one')

+				el.selectedIndex = index;

+			else

+			{

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

+				{

+					if(i == index)

+						el.options[i].selected = true;

+				}

+			}

+		})

+	},

+

+	selectAll : function(elements)

+	{

+		elements.each(function(el)

+		{

+			if(el.type.toLowerCase() != 'select-one')

+			{

+				$A(el.options).each(function(option)

+				{

+					option.selected = true;

+				})

+			}

+		})

+	},

+

+	selectInvert : function(elements)

+	{

+		elements.each(function(el)

+		{

+			if(el.type.toLowerCase() != 'select-one')

+			{

+				$A(el.options).each(function(option)

+				{

+					option.selected = !options.selected;

+				})

+			}

+		})

+	},

+

+	selectIndices : function(elements, indices)

+	{

+		selection = this;

+		indices.each(function(index)

+		{

+			selection.selectIndex(elements,index);

+		})

+	},

+

+	selectClear : function(elements)

+	{

+		elements.each(function(el)

+		{

+			el.selectedIndex = -1;

+		})

+	},

+

+	getListElements : function(element, total)

+	{

+		elements = new Array();

+		for(i = 0; i < total; i++)

+		{

+			el = $(element+"_c"+i);

+			if(el)

+				elements.push(el);

+		}

+		return elements;

+	},

+

+	checkValue : function(elements, value)

+	{

+		elements.each(function(el)

+		{

+			if(typeof(value) == "boolean")

+				el.checked = value;

+			else if(el.value == value)

+				el.checked = true;

+		});

+	},

+

+	checkValues : function(elements, values)

+	{

+		selection = this;

+		values.each(function(value)

+		{

+			selection.checkValue(elements, value);

+		})

+	},

+

+	checkIndex : function(elements, index)

+	{

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

+		{

+			if(i == index)

+				elements[i].checked = true;

+		}

+	},

+

+	checkIndices : function(elements, indices)

+	{

+		selection = this;

+		indices.each(function(index)

+		{

+			selection.checkIndex(elements, index);

+		})

+	},

+

+	checkClear : function(elements)

+	{

+		elements.each(function(el)

+		{

+			el.checked = false;

+		});

+	},

+

+	checkAll : function(elements)

+	{

+		elements.each(function(el)

+		{

+			el.checked = true;

+		})

+	},

+

+	checkInvert : function(elements)

+	{

+		elements.each(function(el)

+		{

+			el.checked != el.checked;

+		})

+	}

+};

+

+

+Prado.Element.Insert =

+{

+	append: function(element, content)

+	{

+		new Insertion.Bottom(element, content);

+	},

+

+	prepend: function(element, content)

+	{

+		new Insertion.Top(element, content);

+	},

+

+	after: function(element, content)

+	{

+		new Insertion.After(element, content);

+	},

+

+	before: function(element, content)

+	{

+		new Insertion.Before(element, content);

+	}

+}
+
+Prado.WebUI = Class.create();

+

+Prado.WebUI.PostBackControl = Class.create();

+

+Prado.WebUI.PostBackControl.prototype =

+{

+	initialize : function(options)

+	{

+		this._elementOnClick = null, //capture the element's onclick function

+

+		this.element = $(options.ID);

+		if(this.onInit)

+			this.onInit(options);

+	},

+

+	onInit : function(options)

+	{

+		if(typeof(this.element.onclick)=="function")

+		{

+			this._elementOnClick = this.element.onclick;

+			this.element.onclick = null;

+		}

+		Event.observe(this.element, "click", this.elementClicked.bindEvent(this,options));

+	},

+

+	elementClicked : function(event, options)

+	{

+		var src = Event.element(event);

+		var doPostBack = true;

+		var onclicked = null;

+

+		if(this._elementOnClick)

+		{

+			var onclicked = this._elementOnClick(event);

+			if(typeof(onclicked) == "boolean")

+				doPostBack = onclicked;

+		}

+		if(doPostBack)

+			this.onPostBack(event,options);

+		if(typeof(onclicked) == "boolean" && !onclicked)

+			Event.stop(event);

+	},

+

+	onPostBack : function(event, options)

+	{

+		Prado.PostBack(event,options);

+	}

+};

+

+Prado.WebUI.TButton = Class.extend(Prado.WebUI.PostBackControl);

+Prado.WebUI.TLinkButton = Class.extend(Prado.WebUI.PostBackControl);

+Prado.WebUI.TCheckBox = Class.extend(Prado.WebUI.PostBackControl);

+Prado.WebUI.TBulletedList = Class.extend(Prado.WebUI.PostBackControl);

+Prado.WebUI.TImageMap = Class.extend(Prado.WebUI.PostBackControl);

+

+/**

+ * TImageButton client-side behaviour. With validation, Firefox needs

+ * to capture the x,y point of the clicked image in hidden form fields.

+ */

+Prado.WebUI.TImageButton = Class.extend(Prado.WebUI.PostBackControl);

+Object.extend(Prado.WebUI.TImageButton.prototype,

+{

+	/**

+	 * Only add the hidden inputs once.

+	 */

+	hasXYInput : false,

+

+	/**

+	 * Override parent onPostBack function, tried to add hidden forms

+	 * inputs to capture x,y clicked point.

+	 */

+	onPostBack : function(event, options)

+	{

+		if(!this.hasXYInput)

+		{

+			this.addXYInput(event,options);

+			this.hasXYInput = true;

+		}

+		Prado.PostBack(event, options);

+	},

+

+	/**

+	 * Add hidden inputs to capture the x,y point clicked on the image.

+	 * @param event DOM click event.

+	 * @param array image button options.

+	 */

+	addXYInput : function(event,options)

+	{

+		imagePos = Position.cumulativeOffset(this.element);

+		clickedPos = [event.clientX, event.clientY];

+		x = clickedPos[0]-imagePos[0]+1;

+		y = clickedPos[1]-imagePos[1]+1;

+		x = x < 0 ? 0 : x;

+		y = y < 0 ? 0 : y;

+		id = options['EventTarget'];

+		x_input = $(id+"_x");

+		y_input = $(id+"_y");

+		if(x_input)

+		{

+			x_input.value = x;

+		}

+		else

+		{

+			x_input = INPUT({type:'hidden',name:id+'_x','id':id+'_x',value:x});

+			this.element.parentNode.appendChild(x_input);

+		}

+		if(y_input)

+		{

+			y_input.value = y;

+		}

+		else

+		{

+			y_input = INPUT({type:'hidden',name:id+'_y','id':id+'_y',value:y});

+			this.element.parentNode.appendChild(y_input);

+		}

+	}

+});

+

+

+/**

+ * Radio button, only initialize if not already checked.

+ */

+Prado.WebUI.TRadioButton = Class.extend(Prado.WebUI.PostBackControl);

+Prado.WebUI.TRadioButton.prototype.onRadioButtonInitialize = Prado.WebUI.TRadioButton.prototype.initialize;

+Object.extend(Prado.WebUI.TRadioButton.prototype,

+{

+	initialize : function(options)

+	{

+		this.element = $(options['ID']);

+		if(!this.element.checked)

+			this.onRadioButtonInitialize(options);

+	}

+});

+

+

+Prado.WebUI.TTextBox = Class.extend(Prado.WebUI.PostBackControl,

+{

+	onInit : function(options)

+	{

+		this.options=options;

+		if(options['TextMode'] != 'MultiLine')

+			Event.observe(this.element, "keydown", this.handleReturnKey.bind(this));

+		if(this.options['AutoPostBack']==true)

+			Event.observe(this.element, "change", Prado.PostBack.bindEvent(this,options));

+	},

+

+	handleReturnKey : function(e)

+	{

+		 if(Event.keyCode(e) == Event.KEY_RETURN)

+        {

+			var target = Event.element(e);

+			if(target)

+			{

+				if(this.options['AutoPostBack']==true)

+				{

+					Event.fireEvent(target, "change");

+					Event.stop(e);

+				}

+				else

+				{

+					if(this.options['CausesValidation'] && typeof(Prado.Validation) != "undefined")

+					{

+						if(!Prado.Validation.validate(this.options['FormID'], this.options['ValidationGroup'], $(this.options['ID'])))

+							return Event.stop(e);

+					}

+				}

+			}

+		}

+	}

+});

+

+Prado.WebUI.TListControl = Class.extend(Prado.WebUI.PostBackControl,

+{

+	onInit : function(options)

+	{

+		Event.observe(this.element, "change", Prado.PostBack.bindEvent(this,options));

+	}

+});

+

+Prado.WebUI.TListBox = Class.extend(Prado.WebUI.TListControl);

+Prado.WebUI.TDropDownList = Class.extend(Prado.WebUI.TListControl);

+

+Prado.WebUI.DefaultButton = Class.create();

+Prado.WebUI.DefaultButton.prototype =

+{

+	initialize : function(options)

+	{

+		this.options = options;

+		this._event = this.triggerEvent.bindEvent(this);

+		Event.observe(options['Panel'], 'keydown', this._event);

+	},

+

+	triggerEvent : function(ev, target)

+	{

+		var enterPressed = Event.keyCode(ev) == Event.KEY_RETURN;

+		var isTextArea = Event.element(ev).tagName.toLowerCase() == "textarea";

+		if(enterPressed && !isTextArea)

+		{

+			var defaultButton = $(this.options['Target']);

+			if(defaultButton)

+			{

+				this.triggered = true;

+				$('PRADO_POSTBACK_TARGET').value = this.options.EventTarget;

+				Event.fireEvent(defaultButton, this.options['Event']);

+				Event.stop(ev);

+			}

+		}

+	}

+};

+

+Prado.WebUI.TTextHighlighter=Class.create();

+Prado.WebUI.TTextHighlighter.prototype=

+{

+	initialize:function(id)

+	{

+		if(!window.clipboardData) return;

+		var options =

+		{

+			href : 'javascript:;/'+'/copy code to clipboard',

+			onclick : 'Prado.WebUI.TTextHighlighter.copy(this)',

+			onmouseover : 'Prado.WebUI.TTextHighlighter.hover(this)',

+			onmouseout : 'Prado.WebUI.TTextHighlighter.out(this)'

+		}

+		var div = DIV({className:'copycode'}, A(options, 'Copy Code'));

+		document.write(DIV(null,div).innerHTML);

+	}

+};

+

+Object.extend(Prado.WebUI.TTextHighlighter,

+{

+	copy : function(obj)

+	{

+		var parent = obj.parentNode.parentNode.parentNode;

+		var text = '';

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

+		{

+			var node = parent.childNodes[i];

+			if(node.innerText)

+				text += node.innerText == 'Copy Code' ? '' : node.innerText;

+			else

+				text += node.nodeValue;

+		}

+		if(text.length > 0)

+			window.clipboardData.setData("Text", text);

+	},

+

+	hover : function(obj)

+	{

+		obj.parentNode.className = "copycode copycode_hover";

+	},

+

+	out : function(obj)

+	{

+		obj.parentNode.className = "copycode";

+	}

+});

+

+

+Prado.WebUI.TCheckBoxList = Base.extend(

+{

+	constructor : function(options)

+	{

+		for(var i = 0; i<options.ItemCount; i++)

+		{

+			var checkBoxOptions = Object.extend(

+			{

+				ID : options.ListID+"_c"+i,

+				EventTarget : options.ListName+"$c"+i

+			}, options);

+			new Prado.WebUI.TCheckBox(checkBoxOptions);

+		}

+	}

+});

+

+Prado.WebUI.TRadioButtonList = Base.extend(

+{

+	constructor : function(options)

+	{

+		for(var i = 0; i<options.ItemCount; i++)

+		{

+			var radioButtonOptions = Object.extend(

+			{

+				ID : options.ListID+"_c"+i,

+				EventTarget : options.ListName+"$c"+i

+			}, options);

+			new Prado.WebUI.TRadioButton(radioButtonOptions);

+		}

+	}

+});
+