// JavaScript Document
   var imglist = new Array(
      "images/topimg.jpg","images/topimg2.jpg","images/topimg3.jpg","images/topimg4.jpg","images/topimg5.jpg","images/topimg6.jpg" );
   var selectnum = Math.floor((Math.random() * 100)) % imglist.length;
   var output = "<img src=" + imglist[selectnum] + ">";
   document.write(output);