//create onDomReady Event
window.onDomReady = DomReady;

//Setup the event
function DomReady(fn){
	
	//W3C
	if(document.addEventListener){
		document.addEventListener("DOMContentLoaded", fn, false);
	}
	//IE
	else{
		document.onreadystatechange = function(){readyState(fn)}
	}
}

//IE execute function
function readyState(fn){
	//alert(document.readyState);
	//dom is ready for interaction
	if(document.readyState == "complete"){
		
		fn();
	}
}

window.onDomReady(init);


//Image rollovers
function domRollover() {
	if (navigator.userAgent.match(/Opera (\S+)/)) {
		var operaVersion = parseInt(navigator.userAgent.match(/Opera (\S+)/)[1]);
	}
	if (!document.getElementById||operaVersion <7) return;
	var imgarr=document.getElementsByTagName('img');
	var imgPreload=new Array();
	var imgSrc=new Array();
	var imgClass=new Array();
	for (i=0;i<imgarr.length;i++){
		if (imgarr[i].className.indexOf('domroll')!=-1){
			imgSrc[i]=imgarr[i].getAttribute('src');
			imgClass[i]=imgarr[i].className;
			imgPreload[i]=new Image();
			if (imgClass[i].match(/domroll (\S+)/)) {
				imgPreload[i].src = imgClass[i].match(/domroll (\S+)/)[1]
			}
			imgarr[i].setAttribute('xsrc', imgSrc[i]);
			imgarr[i].onmouseover=function(){
				this.setAttribute('src',this.className.match(/domroll (\S+)/)[1])
			}
			imgarr[i].onmouseout=function(){
				this.setAttribute('src',this.getAttribute('xsrc'))
			}
		}
	}
}


//Run when dom is ready.
function init(){
	
	domRollover();
}