$("karte_2").hide();
      $("karte_3").hide();
      $("karte_4").hide();
      $("karte_5").hide();
      
      function togglePanel(index)
      {
        for (var i = 1; i < 6; i++)
        {
          if ($("karte_"+i).className == "karte open" && i == index)
          {
            //Effect.BlindUp("karte_"+i, {
            //  duration: 0.5,
            //  scaleFrom: 100,
            //  scaleTo: 0
            //});
            //$("karte_"+i).className = "karte closed";
            //$$("#warn_button_"+i+" a")[0].className = "";
            return;
          }
          else if ($("karte_"+i).className == "karte open")
          {
            new Effect.Parallel([
              new Effect.BlindUp("karte_"+i, { sync: true, scaleFrom: 100, scaleTo: 0 }),
              new Effect.BlindDown("karte_"+index, { sync: true, scaleFrom: 0, scaleTo: 100 })
            ], {
              duration: 0.50,
              delay: 0.25
            });

            $("karte_"+i).className = "karte closed";
            $$("#warn_button_"+i+" a")[0].className = "";

            $("karte_"+index).className = "karte open";
            $$("#warn_button_"+index+" a")[0].className = "aktiv";

            return;
          }
        }

        //Effect.BlindDown("karte_"+index, {
        //  duration: 0.5,
        //  scaleFrom: 0,
        //  scaleTo: 100
        //});

        //$("karte_"+index).className = "karte open";
        //$$("#warn_button_"+index+" a")[0].className = "aktiv";
        return;
      }