function preload() {
  Bild1 = new Image();
  Bild1.src = "fileadmin/templates/img/active_tex_footer.png";
  Bild2 = new Image();
  Bild2.src = "fileadmin/templates/img/active_tex_logo.jpg";
  Bild3 = new Image();
  Bild3.src = "fileadmin/templates/img/box_bg.png";
  Bild4 = new Image();
  Bild4.src = "fileadmin/templates/img/footer_linie.png";
  Bild5 = new Image();
  Bild5.src = "fileadmin/templates/img/header.jpg";
  Bild6 = new Image();
  Bild6.src = "fileadmin/templates/img/nav/nav1_1.png";
  Bild7 = new Image();
  Bild7.src = "fileadmin/templates/img/nav/nav1_2.png";
  Bild8 = new Image();
  Bild8.src = "fileadmin/templates/img/nav/nav2_1.png";
  Bild9 = new Image();
  Bild9.src = "fileadmin/templates/img/nav/nav2_2.png";
  Bild10 = new Image();
  Bild10.src = "fileadmin/templates/img/nav/nav2_bg.png";
  Bild11 = new Image();
  Bild11.src = "fileadmin/templates/img/nav/nav2_top.png";
  Bild12 = new Image();
  Bild12.src = "fileadmin/templates/img/nav/nav2_trenner.png";
}