// picture files
var pics = new Array(
  "/events/22_03_cophy.jpg",
  "/events/26_12_12.jpg"
); 

// image objects
var images = new Array();

// preload image objects
function preload_pics() {
  for (var i = 0; i < pics.length; i++) {
    images[i] = new Image();
    images[i].src = pics[i];
  }
}

var image_counter = 0;
// show one pic
function slideshow() {
  // exit if browser doesn't support image object
  if (!document.images)
    return;
  if (image_counter >= pics.length)
    image_counter = 0;
  // replace pic - references image id in html text
  if (document.getElementById("schubidu"))
    document.getElementById("schubidu").src = images[image_counter].src;
  image_counter++;
  // schedule next run
  setTimeout("slideshow()", 3000);
}

preload_pics();
slideshow();// JavaScript Document