navtop_home_up     = new Image();
      navtop_home_up.src = "pics/nav_top/home_up.gif";
      navtop_home_down     = new Image();
      navtop_home_down.src = "pics/nav_top/home_down.gif";

      navtop_restaurant_up     = new Image();
      navtop_restaurant_up.src = "pics/nav_top/restaurant_up.gif";
      navtop_restaurant_down     = new Image();
      navtop_restaurant_down.src = "pics/nav_top/restaurant_down.gif";

      navtop_hotel_up     = new Image();
      navtop_hotel_up.src = "pics/nav_top/hotel_up.gif";
      navtop_hotel_down     = new Image();
      navtop_hotel_down.src = "pics/nav_top/hotel_down.gif";

      navtop_aussicht_up     = new Image();
      navtop_aussicht_up.src = "pics/nav_top/aussicht_up.gif";
      navtop_aussicht_down     = new Image();
      navtop_aussicht_down.src = "pics/nav_top/aussicht_down.gif";

      navtop_events_up     = new Image();
      navtop_events_up.src = "pics/nav_top/events_up.gif";
      navtop_events_down     = new Image();
      navtop_events_down.src = "pics/nav_top/events_down.gif";

      navtop_weinbau_up     = new Image();
      navtop_weinbau_up.src = "pics/nav_top/weinbau_up.gif";
      navtop_weinbau_down     = new Image();
      navtop_weinbau_down.src = "pics/nav_top/weinbau_down.gif";

      navtop_kunst_up     = new Image();
      navtop_kunst_up.src = "pics/nav_top/kunst_up.gif";
      navtop_kunst_down     = new Image();
      navtop_kunst_down.src = "pics/nav_top/kunst_down.gif";

      navtop_kontakt_up     = new Image();
      navtop_kontakt_up.src = "pics/nav_top/kontakt_up.gif";
      navtop_kontakt_down     = new Image();
      navtop_kontakt_down.src = "pics/nav_top/kontakt_down.gif";

      function setpic(name,picobject) {
        eval('window.document.'+name+'.src = '+picobject+'.src');
      }