function getAd(){
	var urls = new Array("images/banner/1.jpg",
	"images/banner/2.jpg",
	"images/banner/3.jpg"
	);
	var selectedUrl = Math.round(Math.random() * (urls.length-1));
    return "<a  target=_parent href='#'><img src='"+urls[selectedUrl]+"' border=0 width=584 height=80></a>";
}document.write(getAd());
//this file is not used now, has been moved to caching/