/*  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).

//
// this conditional loading added by Stefan Powell
//
if (typeof $ == "undefined") {

	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) {
		var children = document.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.iterate = function(func){
		for(var i=0;i<this.length;i++) func(this[i], i);
	}
	if (!Array.prototype.each) Array.prototype.each = Array.prototype.iterate;

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