// JavaScript Document
var imgs = new Array(); var imgcnt = 0; var thisimg = 0;
imgs[imgcnt++] = 'banner1.jpg';
imgs[imgcnt++] = 'banner2.jpg';
imgs[imgcnt++] = 'banner3.jpg';
imgs[imgcnt++] = 'banner4.jpg';

function rotate() {
if (document.images) {
  thisimg++;
  if (thisimg >= imgcnt) thisimg = 0;
  document.rollimg.src = imgs[thisimg];
  setTimeout("rotate();",4000);
}
}
setTimeout("rotate();",4000);