function resetRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");
		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_on.")) {
				images[i].setAttribute("src", images[i].getAttribute("src").replace("_on.", "_off."));
			}
		}
	}
}