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 $() {
	if (arguments.length == 1) return get$(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, {
    css: function(element, style) {
    element = $(element);
        for (var name in style) {
          var value = style[name];
          name = stringCamelize(name);
          element.style[name] = value;
        }
    },
	remove: function(element) {
		element = $(element);
		element.parentNode.removeChild(element);
	},
	getWidth: function(element) {
	   	element = $(element);
	   	return element.offsetWidth; 
   	}
});

function stringCamelize(str) {
    var parts = str.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = str.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
}

Function.prototype.bind = function(object) {
	var __method = this;
	return function() {
		return __method.apply(object, arguments);
	}
}

Array.prototype.removeKey = function (key) {
    for (var i=0;i<this.length;i++){ 
    	if(this[i]==key){
    	    this.splice(i,1);
        }
    }
}

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;
}