var marker = new Array(2);
                marker[0] = new Image();
                marker[0].src = "images/subNav/pfeil.gif";
                marker[1] = new Image();
                marker[1].src = "images/subNav/pfeil_out.gif";

        function enable(vName)  {
                vName.src = marker[0].src;
                return true;
          }

        function disable(vName)  {
                vName.src = marker[1].src;
                window.status = "";
                return true;
          }