<!-- Paste this code into an external JavaScript file named: simpleSwap.js  -->function SimpleSwap(el,which) {  el.src=el.getAttribute(which || "origsrc");}function SimpleSwapSetup() {  var x = document.getElementsByTagName("img");  for (var i=0;i<x.length;i++){    var oversrc = x[i].getAttribute("oversrc");    if (!oversrc) continue;          // preload image -    // comment the next two lines to disable image pre-loading    x[i].oversrc_img = new Image();    x[i].oversrc_img.src=oversrc;    // set event handlers    x[i].onmouseover = new Function("SimpleSwap(this,'oversrc');");    x[i].onmouseout = new Function("SimpleSwap(this);");    // save original src    x[i].setAttribute("origsrc",x[i].src);  }}var PreSimpleSwapOnload =(window.onload)? window.onload : function(){};window.onload = function(){PreSimpleSwapOnload(); SimpleSwapSetup();}// JavaScript Document