// JavaScript Document
<!-- 
if (document.getElementById) { window.onload = swap };

function swap() {
var numimages=3;
rndimg = new Array("http://www.giftswithpurpose.com/images/gwp_custom2/top_image1.jpg", "http://www.giftswithpurpose.com/images/gwp_custom2/top_image2.jpg", "http://www.giftswithpurpose.com/images/gwp_custom2/top_image3.jpg"); 
x=(Math.floor(Math.random()*numimages));
randomimage=(rndimg[x]);
document.getElementById("imagebar").style.backgroundImage = "url("+ randomimage +")"; 
}
//-->