if (document.images)
   {
     pic1on= new Image(213,32);
     pic1on.src="_grafiken/_menue/_buttons/impressumh.jpg";
     pic2on= new Image(213,29);
     pic2on.src="_grafiken/_menue/_buttons/startseiteh.jpg";

     pic1off= new Image(213,32);
     pic1off.src="_grafiken/_menue/_buttons/impressum.jpg";
     pic2off= new Image(213,32);
     pic2off.src="_grafiken/_menue/_buttons/startseite.jpg";

     pic3on= new Image(213,32);
     pic3on.src="_grafiken/_menue/_buttons/referenzenh.jpg";
     pic4on= new Image(213,32);
     pic4on.src="_grafiken/_menue/_buttons/kontakth.jpg";

     pic3off= new Image(213,32);
     pic3off.src="_grafiken/_menue/_buttons/referenzen.jpg";
     pic4off= new Image(213,32);
     pic4off.src="_grafiken/_menue/_buttons/kontakt.jpg";

     pic5on= new Image(213,32);
     pic5on.src="_grafiken/_menue/_buttons/produkteh.jpg";
     pic6on= new Image(213,32);
     pic6on.src="_grafiken/_menue/_buttons/partnerh.jpg";

     pic5off= new Image(213,32);
     pic5off.src="_grafiken/_menue/_buttons/produkte.jpg";
     pic6off= new Image(213,32);
     pic6off.src="_grafiken/_menue/_buttons/partner.jpg";

     pic7on= new Image(213,32);
     pic7on.src="_grafiken/_menue/_buttons/neuigkeitenh.jpg";
     pic7off= new Image(213,32);
     pic7off.src="_grafiken/_menue/_buttons/neuigkeiten.jpg";

     pic8on= new Image(18,15);
     pic8on.src="_grafiken/_header/_oben/homeh.jpg";
     pic9on= new Image(21,15);
     pic9on.src="_grafiken/_header/_oben/sitemaph.jpg";

     pic8off= new Image(18,15);
     pic8off.src="_grafiken/_header/_oben/home.jpg";
     pic9off= new Image(21,15);
     pic9off.src="_grafiken/_header/_oben/sitemap.jpg";

     pic10on= new Image(213,17);
     pic10on.src="_grafiken/_header/_oben/kontakth.jpg";
     pic10off= new Image(213,17);
     pic10off.src="_grafiken/_header/_oben/kontakt.jpg";

   }

function lightup(imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
    }
 }

function turnoff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }