function newImage(arg) {
 if (document.images) {
  rslt = new Image();
  rslt.src = arg;
  return rslt;
 }
}

function changeImages() {
 if (document.images && (preloadFlag == true)) {
  for (var i=0; i<changeImages.arguments.length; i+=2) {
   document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
  }
 }
}

var preloadFlag = false;
function preloadImages() {
 if (document.images) {
  home_Ponad = newImage("images/menu/home2.gif");
  uberuns_Ponad = newImage("images/menu/uberuns2.gif");
  angebote_Ponad = newImage("images/menu/angebote2.gif");
  modelle_Ponad = newImage("images/menu/modelle2.gif");
  showroom_Ponad = newImage("images/menu/showroom2.gif");
  finanzierung_Ponad = newImage("images/menu/finanzierung2.gif");
  parts_Ponad = newImage("images/menu/parts2.gif");
  service_Ponad = newImage("images/menu/service2.gif");
  aktionen_Ponad = newImage("images/menu/aktionen2.gif");
  jobborse_Ponad = newImage("images/menu/jobborse2.gif");
  anfahrt_Ponad = newImage("images/menu/anfahrt2.gif");
  kontakt_Ponad = newImage("images/menu/kontakt2.gif");
  preloadFlag = true;
}
}