<!--
var num = parent.num;



                normal = new aArray(20);
                over = new   aArray(20);
                click = new  aArray(20);
                link = new   pArray(20);

                normal[3].src = "menu/ueberblick.gif";
                normal[4].src = "menu/t_u_p.gif";
                normal[5].src = "menu/beispiel.gif";






                over[3].src = "menu/ueberblick_o.gif";
                over[4].src = "menu/t_u_p_o.gif";
                over[5].src = "menu/beispiel_o.gif";






                click[3].src = "menu/ueberblick_o1.gif";
                click[4].src = "menu/t_u_p_o1.gif";
                click[5].src = "menu/beispiel_o1.gif";







      function aArray(n) {
              this.length = n;
              for (var i = 0; i<=n; i++) {
                      this[i] = new Image();
                      }
              return this;
      }

      function pArray(n) {
              this.length = n;
              for (var i = 0; i<=n; i++) {
              this[i] = new String();
                      }
              return this;
      }

        function pover(num) {
                        if ( document.images[num].src != click[num].src) {document.images[num].src = over[num].src;
                      }
                }

        function pout(num) {
                        if ( document.images[num].src != click[num].src) {document.images[num].src = normal[num].src;

                        }
                }

var t  = 2;

        function pclick(num) {
        document.images[num].src =click[num].src;
        if (num != t) {document.images[t].src = normal[t].src;
                        }
                         t = num;
               }

// -->