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;
}

/*
	FlashReplace is developed by Robert Nyman, http://www.robertnyman.com. License and downloads: http://code.google.com/p/flashreplace/
*/
// ---
var FlashReplace = {
	elmToReplace : null,
	flashIsInstalled : null,
	defaultFlashVersion : 7,
	replace : function (elmToReplace, src, id, width, height, version, params){
		this.elmToReplace = document.getElementById(elmToReplace);
		this.flashIsInstalled = this.checkForFlash(version || this.defaultFlashVersion);
		if(this.elmToReplace && this.flashIsInstalled){
			var obj = '<object' + ((window.ActiveXObject)? ' id="' + id + '" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" data="' + src + '"' : '');
			obj += ' width="' + width + '"';
			obj += ' height="' + height + '"';
			obj += '>';
			var param = '<param';
			param += ' name="movie"';
			param += ' value="' + src + '"';
			param += '>';
			param += '';
			var extraParams = '';
			var extraAttributes = '';
			for(var i in params){
				extraParams += '<param name="' + i + '" value="' + params[i] + '">';
				extraAttributes += ' ' + i + '="' + params[i] + '"';
			}
			var embed = '<embed id="' + id + '" src="' + src + '" type="application/x-shockwave-flash" width="' + width + '" height="' + height + '"';
			var embedEnd = extraAttributes + '></embed>';
			var objEnd = '</object>';
			this.elmToReplace.innerHTML = obj + param + extraParams + embed + embedEnd + objEnd;			
		}
	},
	
	checkForFlash : function (version){
		this.flashIsInstalled = false;
		var flash;
		if(window.ActiveXObject){
			try{
				flash = new ActiveXObject(("ShockwaveFlash.ShockwaveFlash." + version));
				this.flashIsInstalled = true;
			}
			catch(e){
				// Throws an error if the version isn't available			
			}
		}
		else if(navigator.plugins && navigator.mimeTypes.length > 0){
			flash = navigator.plugins["Shockwave Flash"];
			if(flash){
				var flashVersion = navigator.plugins["Shockwave Flash"].description.replace(/.*\s(\d+\.\d+).*/, "$1");
				if(flashVersion >= version){
					this.flashIsInstalled = true;
				}
			}
		}
		return this.flashIsInstalled;
	}
};
// ---