/*  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/ 1
/*--------------------------------------------------------------------------*/

//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 pt() {
  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 = pt(element);
element.parentNode.removeChild(element);
},

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

find: function(element, what) {
element = pt(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, parent) {
var elements = new Array();
if (parent)
var children = pt(parent).getElementsByTagName('*') || document.all;
else
var children = document.getElementsByTagName('*') || document.all;
	
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;
}

//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;
}

//itdev test
function $$() {
  return Selector.findChildElements(document, $A(arguments));
}