/*  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: this is a 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 $() {
var elements = new Array();

for (var i = 0; i < arguments.length; i++) {
	var element = arguments[i];
	if (typeof element == 'string')
	element = document.getElementById(element);

	if (arguments.length == 1) 
	return element;

	elements.push(element);
}

return elements;
}

//-------------------------

document.getElementsByClassName = function(className) {
var children = document.getElementsByTagName('*') || document.all;
var elements = new Array();

for (var i = 0; i < children.length; i++) {
	var child = children[i];
	var classNames = child.className.split(' ');
	for (var j = 0; j < classNames.length; j++) {
	if (classNames[j] == className) {
		elements.push(child);
		break;
	}
	}
}

return elements;
}

//-------------------------

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 a = element.className.split(' ');
	for (var i = 0; i < a.length; i++) {
	if (a[i] == className)
		return true;
	}
	return false;
},

addClassName: function(element, className) {
	element = $(element);
	Element.removeClassName(element, className);
	element.className += ' ' + className;
},

removeClassName: function(element, className) {
	element = $(element);
	if (!element)
	return;
	var newClassName = '';
	var a = element.className.split(' ');
	for (var i = 0; i < a.length; i++) {
	if (a[i] != className) {
		if (i > 0)
		newClassName += ' ';
		newClassName += a[i];
	}
	}
	element.className = newClassName;
},

// 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);
	}
}
});