// JavaScript Document
<!--
var BGImgAry=new Array('bg4.jpg','bg5.jpg');
function BBG(){
R=Math.floor(Math.random()*10)%BGImgAry.length
BG=document.getElementsByTagName('body')[0];
BG.style.backgroundImage="url('Images/bg/"+BGImgAry[R]+"')";

BG.style.backgroundAttachment='fixed';
}

//-->