// JavaScript Document fahnen-stadelmann.ch
// image switcher
window.onload = pictures;

var num_loaded_images = 0;
//array of pics that will be changing 
p1 = new Array("graph/bgimage_red01.jpg","graph/bgimage_red02.jpg","graph/bgimage_red03.jpg","graph/bgimage_red04.jpg");
//generates random number 0-3
function random(){ 
random.seed = (new Date()).getTime()%4;
  return random.seed; 
}

function pictures(){
no=random();
document.getElementById("container").style.backgroundImage="url(" + (p1[no]) + ")";
}