var url = "http://www.doriansoft.com";
var counter = 1;
var timer;

var urlArray = new Array(2);
var banArray = new Array(2);
var timArray = new Array(2);
var filArray = new Array(2);

urlArray[0] = "/relay.asp?destination=TotalSolution";
urlArray[1] = "/relay.asp?destination=DorianSoft";

filArray[0] = "banner1.gif";
filArray[1] = "banner2.jpg";

timArray[0] = 20000;
timArray[1] = 10000;

if(document.images)
{
  for(i = 0; i < 2; i++)
  {
    banArray[i] = new Image(640, 73);
    banArray[i].src = "../images/" + filArray[i];
  }
}

function changeBanner()
{
  clearInterval(timer);
  if(counter > 1) counter = 0;
  document.banner.src = banArray[counter].src;
  url = urlArray[counter];
  timer = setInterval("changeBanner()", timArray[counter]);
  counter++;
}