/*  Prototype JavaScript framework
 *  (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/
/*--------------------------------------------------------------------------*/

//note: modified & stripped down version of prototype, to be used with moo.fx by mad4milk (http://moofx.mad4milk.net).

var Class = {
	create: function() {
		return function() {
			this.initialize.apply(this, arguments);
		}
	}
}

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

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

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

function $() {
	if (arguments.length == 1) return get$(arguments[0]); 
	var elements = [];
	$c(arguments).each(function(el){
		elements.push(get$(el));
	});
	return elements;

	function get$(el){
		if (typeof el == 'string') el = document.getElementById(el);
		return el;
	}
}

if (!window.Element) var Element = new Object();

Object.extend(Element, {
	remove: function(element) {
		element = $(element);
		element.parentNode.removeChild(element);
	},

	hasClassName: function(element, className) {
		element = $(element);
		if (!element) return;
		var hasClass = false;
		element.className.split(' ').each(function(cn){
			if (cn == className) hasClass = true;
		});
		return hasClass;
	},

	addClassName: function(element, className) {
		element = $(element);
		Element.removeClassName(element, className);
		element.className += ' ' + className;
	},
  
	removeClassName: function(element, className) {
		element = $(element);
		if (!element) return;
		var newClassName = '';
		element.className.split(' ').each(function(cn, i){
			if (cn != className){
				if (i > 0) newClassName += ' ';
				newClassName += cn;
			}
		});
		element.className = newClassName;
	},

	cleanWhitespace: function(element) {
		element = $(element);
		$c(element.childNodes).each(function(node){
			if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) Element.remove(node);
		});
	},

	find: function(element, what) {
		element = $(element)[what];
		while (element.nodeType != 1) element = element[what];
		return element;
	}
});

var Position = {
	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];
	}
};

document.getElementsByClassName = function(className, containedIn) {
	// MOD TIM
	// added containedIn to keep this from running through entire document. will  now run only 
	// through a container with id of containedIn
	var children = $(containedIn).getElementsByTagName('*') || document.all;
	var elements = [];
	$c(children).each(function(child){
		if (Element.hasClassName(child, className)) elements.push(child);
	});  
	return elements;
}

//useful array functions
Array.prototype.each = function(func){
	for(var i=0;ob=this[i];i++) func(ob, i);
}

function $c(array){
	var nArray = [];
	for (i=0;el=array[i];i++) nArray.push(el);
	return nArray;
}

//MOD TIM - all the below writtin by me. They are probably in prototype, but I'm gonna just add em to prototype lite and keep on keepin on

function ArrayToText(array) {
	var arrayTxt = '';
	for (i=0; i < array.length; i++) arrayTxt += array[i]+', ';
	return arrayTxt;
}

String.prototype.trim = function(stringToStrip) {
	var MyRegExp = new RegExp("^"+stringToStrip+"+|"+stringToStrip+"+$", "g");
	return this.replace(MyRegExp,"");
}
String.prototype.ltrim = function(stringToStrip) {
	var MyRegExp = new RegExp("^"+stringToStrip+"+");
	return this.replace(MyRegExp,"");
}
String.prototype.rtrim = function(stringToStrip) {
	var MyRegExp = new RegExp(''+stringToStrip+'+$')
	return this.replace(MyRegExp,"");
}

function checkReturn(e, fn) { //checks to see if the user has hit the enter key; if so call the function sent as arg
	var key;
     if(window.event)
          key = window.event.keyCode;     //IE
     else
          key = e.which;     //firefox
     if(key == 13) 	fn();
}

/*function disableEnterKey(e)
{
     var key;
     if(window.event)
          key = window.event.keyCode;     //IE
     else
          key = e.which;     //firefox
     if(key == 13)
          return false;
     else
          return true;
}*/

/*
String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g,"");
}
String.prototype.ltrim = function() {
	return this.replace(/^\s+/,"");
}
String.prototype.rtrim = function() {
	return this.replace(/\s+$/,"");
}
*/