// 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); 
}