var picNum = 1;
window.addEvent('load',function() {
  // fade-rotates the four logos
  var myImages = new Asset.images([
    '/images/logo-kc.jpg', 
    '/images/logo-ee.jpg', 
    '/images/logo-ke.jpg',
    '/images/logo-ec.jpg'], {
    onComplete: function(){
      $('logo'+picNum).fade('in');
      fadeLogo();
    }
  });
});
function fadeLogo() {
  $('logo'+picNum).fade('out');
  picNum = (picNum<4) ? picNum+1 : 1;
  $('logo'+picNum).fade('in');
  setTimeout('fadeLogo()',3000);
}