/*  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) {

	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;

}