function smartOver() {
	smartRollover('container');
}
function smartRollover(idName) {
	if(document.getElementsByTagName) {
		var images = document.getElementById(idName).getElementsByTagName("img");

		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match(/_n\./))
			{
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_n.", "_r."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_r.", "_n."));
				}
			}
		}
	}
}
if(window.addEventListener) {
	window.addEventListener("load", smartOver, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", smartOver);
}
else{
	window.onload = smartOver;
}