// JavaScript Document
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) {
    id02_04_click = newImage("bilder/menu/02-04_click.jpg");
    id03_over = newImage("bilder/menu/03-over.jpg");
    id03_04_click = newImage("bilder/menu/03-04_click.jpg");
    id04_over = newImage("bilder/menu/04-over.gif");
    id04_click = newImage("bilder/menu/04-click.gif");
    id05_over = newImage("bilder/menu/05-over.gif");
    id05_04_click = newImage("bilder/menu/05-04_click.gif");
    id06_over = newImage("bilder/menu/06-over.gif");
    id06_click = newImage("bilder/menu/06-click.gif");
    id06_04_click = newImage("bilder/menu/06-04_click.gif");
    id07_04_click = newImage("bilder/menu/07-04_click.jpg");
    id08_04_click = newImage("bilder/menu/08-04_click.jpg");
    id09_04_click = newImage("bilder/menu/09-04_click.jpg");
    preloadFlag = true;
  }
}