function addEventToObject(obj, evt, func) {
	var oldhandler = obj[evt];
	obj[evt] = (typeof obj[evt] != 'function') ? func : function() { oldhandler(); func(); };
}

function bindWithArguments(object){
	var __method = this;
	var args = [];
	for (var i = 0, len = arguments.length-1; i < len; i++) {
		args[i] = arguments[i+1];
	}
	return function(){
		__method.apply(object, args);
	}
}
Object.prototype.bindWithArguments = bindWithArguments;

function CrossFade() {
	this.interval = 50; // initial interval
	// Define setOpacity method
	this.setOpacity = function (obj, o) {
		obj.style.opacity = (o / 101);
		obj.style.MozOpacity = (o / 100);
		obj.style.KhtmlOpacity = (o / 100);
		obj.style.filter = "alpha(opacity=" + o + ")";
	}
	for(j = 0; j < this.length; j++) {
		this[j].style.position = 'absolute';
		this[j].style.top =0;
		this[j].style.zIndex = 0;
		this.setOpacity(this[j], 0);
	}
	this.opacity = 100;
	this.setOpacity(this[0].parentNode, this.opacity);
	this.currentDiv = 0;
	this.previousDiv = this.length-1;
	this[0].parentNode.style.visibility = 'visible';
	this.initOpacity = function (div, startOpacity, endOpacity) {
		if (startOpacity <= endOpacity) {
			this.setOpacity(div, startOpacity);
			startOpacity += 20;
			window.setTimeout(this.initOpacity.bindWithArguments(this, div, startOpacity, endOpacity), this.interval);
		}
	}
	this.initOpacity(this[this.currentDiv], 0, 100);
	this.changeOpacity = function (opac) {
		if(opac < 100) {
			this.setOpacity(this[this.currentDiv], opac);
			this.setOpacity(this[this.previousDiv], 100 - opac);
			opac += 20;
			window.setTimeout(this.changeOpacity.bindWithArguments(this, opac), 80);
		} else {
			this.setOpacity(this[this.currentDiv], 100);
			this.setOpacity(this[this.previousDiv], 0);
			this.previousDiv = this.currentDiv;
			this.currentDiv = (this.currentDiv >= this.length - 1) ? 0 : this.currentDiv + 1;
			this[this.previousDiv].style.zIndex = 100;
			this[this.currentDiv].style.zIndex = 0;
			opac = 0;
			window.setTimeout(this.changeOpacity.bindWithArguments(this, opac), (this.interval * 100));
		}
	}
	this.olen = this[0].className.length;
	this.onum = this[0].className.charAt(this.olen - 1);
	if(!isNaN(this.onum) && this.onum > 1) {
		window.setTimeout(this.changeOpacity.bindWithArguments(this, this.opacity), (80 * this.interval) / this.onum);
	}
	else {
		this.changeOpacity(this.opacity);
	}
}
Object.prototype.CrossFade = CrossFade;

var currentImg;
var previousImg;
var fadedivs = [];

function isA(o,klass) {
	if(!o.className) {
		return false;
	}
	else {
		return new RegExp('\\b'+klass+'\\b').test(o.className);
	}
}

// get elements by class name, eg $c('post', document, 'li')
function $c(c, o, t) {
	o = o || document;
	if (!o.length) o = [o];
	var elements = [];
	for(var i = 0, e; e = o[i]; i++) {
		if(e.getElementsByTagName) {
			var children = e.getElementsByTagName(t || '*');
			for (var j = 0, child; child = children[j]; j++) {
				if(isA(child, c)) {
					elements.push(child);
				}
			}
		}
	}
	return elements;
}

function InitCrossFade() {
	if(InitCrossFade.arguments) {
		var fadecontainer = document.getElementById(InitCrossFade.arguments[0]);
		for(i = 1; i < InitCrossFade.arguments.length; i++) {
			fadecontainer.innerHTML += InitCrossFade.arguments[i];
		}
		var fade = fadecontainer.lastChild;
		var fadeclass = fade.className;
		fadedivs = $c(fadeclass, '', '*');
		fadedivs.CrossFade();
	}
}