// JavaScript Document

function smartRollover() {
	if(document.getElementsByTagName) {
	var images = document.getElementsByTagName("img");

			for(var i=0; i < images.length; i++) {

				if(images[i].getAttribute("src").match("_off.")){

					images[i].onmouseover = function() {
						this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
					}
					images[i].onmouseout = function() {
						this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
					}

				}

			}

	}
}

if(window.addEventListener) {  
	window.addEventListener("load", smartRollover, false);
}

else if(window.attachEvent) {  
	window.attachEvent("onload", smartRollover);
}