function preload() {
  Bild1 = new Image();
  Bild1.src = "fileadmin/templates/img/business.jpg";
  Bild2 = new Image();
  Bild2.src = "fileadmin/templates/img/einfach_nuernberg.jpg";
  Bild3 = new Image();
  Bild3.src = "fileadmin/templates/img/kultur.jpg";
  Bild4 = new Image();
  Bild4.src = "fileadmin/templates/img/leben.jpg";
  Bild5 = new Image();
  Bild5.src = "fileadmin/templates/img/li.jpg";
  Bild6 = new Image();
  Bild6.src = "fileadmin/templates/img/nav2_1_act.gif";
  Bild7 = new Image();
  Bild7.src = "fileadmin/templates/img/nav2_2_act.gif";
  Bild8 = new Image();
  Bild8.src = "fileadmin/templates/img/nuernberger_stadtfuehrer.jpg";
  Bild9 = new Image();
  Bild9.src = "fileadmin/templates/img/pfeil_links.jpg";
  Bild10 = new Image();
  Bild10.src = "fileadmin/templates/img/pfeil_rechts.jpg";
  Bild11 = new Image();
  Bild11.src = "fileadmin/templates/img/schliessen.jpg";
  Bild12 = new Image();
  Bild12.src = "fileadmin/templates/img/tradition.jpg";
}