function preload() {
  Bild1 = new Image();
  Bild1.src = "fileadmin/templates/img/box_bottom.png";
  Bild2 = new Image();
  Bild2.src = "fileadmin/templates/img/box_center.png";
  Bild3 = new Image();
  Bild3.src = "fileadmin/templates/img/box_top.png";
  Bild4 = new Image();
  Bild4.src = "fileadmin/templates/img/footer.png";
  Bild5 = new Image();
  Bild5.src = "fileadmin/templates/img/head.png";
  Bild6 = new Image();
  Bild6.src = "fileadmin/templates/img/head.png";
  Bild7 = new Image();
  Bild7.src = "fileadmin/templates/img/logo.png";
  Bild8 = new Image();
  Bild8.src = "fileadmin/templates/img/main.png";
  Bild9 = new Image();
  Bild9.src = "fileadmin/templates/img/main_nav.png";
  Bild10 = new Image();
  Bild10.src = "fileadmin/templates/img/main_nav_hover.png";
  Bild11 = new Image();
  Bild11.src = "fileadmin/templates/img/stiftung.png";
  Bild12 = new Image();
  Bild12.src = "fileadmin/templates/img/sub_bg.png";
  Bild13 = new Image();
  Bild13.src = "fileadmin/templates/img/sub_bottom.png";
  Bild14 = new Image();
  Bild14.src = "fileadmin/templates/img/sub_top.png";
  Bild15 = new Image();
  Bild15.src = "fileadmin/templates/img/wallpaper_font.jpg";
}