/*  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;
}