// JavaScript Document
 function rollover() {  
 if(document.getElementsByTagName) {  
 var images = document.getElementsByTagName("img");  
 for(var i=0; i < images.length; i++) {  
 if(images[i].getAttribute("src").match("_01."))  
             {  
                 images[i].onmouseover = function() {  
 this.setAttribute("src", this.getAttribute("src").replace("_01.", "_02."));  
                 }  
                 images[i].onmouseout = function() {  
 this.setAttribute("src", this.getAttribute("src").replace("_02.", "_01."));  
                 }  
             }  
         }  
     }  
 }  
 if(window.addEventListener) {  
     window.addEventListener("load", rollover, false);  
 }  
 else if(window.attachEvent) {  
     window.attachEvent("onload", rollover);  
 }