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'))
}
}
}
}
domRollover();