/*
     Standards Compliant Rollover Script
     Author : Daniel Nolan
     http://www.bleedingego.co.uk/webdev.php
*/

function initRollovers() {
     if (!document.getElementById) return

     var aPreLoad = new Array();
     var sTempSrc;
     var aImages = document.getElementsByTagName('img');

     for (var i = 0; i < aImages.length; i++) {
         if (aImages[i].className == 'imgover') {
             var src = aImages[i].getAttribute('src');
             var ftype = src.substring(src.lastIndexOf('.'),  
src.length);
             var hsrc = src.replace(ftype, '-on'+ftype);

             aImages[i].setAttribute('hsrc', hsrc);

             aPreLoad[i] = new Image();
             aPreLoad[i].src = hsrc;

             aImages[i].onmouseover = function() {
                 sTempSrc = this.getAttribute('src');
                 this.setAttribute('src', this.getAttribute('hsrc'));
             }

             aImages[i].onmouseout = function() {
                 if (!sTempSrc) sTempSrc = this.getAttribute 
('src').replace('-on'+ftype, ftype);
                 this.setAttribute('src', sTempSrc);
             }
         }
     }
}

window.onload = initRollovers;