var backgroundImages=new Array(4);
backgroundImages[0]="http://godsdirectcontact.com/images/index_files/bk copy.jpg";
backgroundImages[1]="http://godsdirectcontact.com/images/index_files/bk21 copy.jpg";
backgroundImages[2]="http://godsdirectcontact.com/images/index_files/bk7 copy.jpg";
backgroundImages[3]="http://godsdirectcontact.com/images/index_files/bk1 copy.jpg";
backgroundImages[4]="http://godsdirectcontact.com/images/index_files/bkyellowtemplate2x1 copy2.jpg";

onload=function(){
var e=(document.getElementById)?document.getElementById("myTableId"):(document.all)?document.all.myTableId:(document.layers)?document.myTableId:null;
if(!e)return true;
e.style.backgroundImage="url("+backgroundImages[Math.floor(Math.random()*backgroundImages.length)]+")";
}