menu1_lo = new Image();
  menu1_lo.src = "bilder/menu1lo.gif";
  menu1_hi = new Image();
  menu1_hi.src = "bilder/menu1hi.gif";

  menu11_lo = new Image();
  menu11_lo.src = "bilder/menu11lo.gif";
  menu11_hi = new Image();
  menu11_hi.src = "bilder/menu11hi.gif";
  
  menu2_lo = new Image();
  menu2_lo.src = "bilder/menu2lo.gif";
  menu2_hi = new Image();
  menu2_hi.src = "bilder/menu2hi.gif";
  
  menu3_lo = new Image();
  menu3_lo.src = "bilder/menu3lo.gif";
  menu3_hi = new Image();
  menu3_hi.src = "bilder/menu3hi.gif";
  
  menu4_lo = new Image();
  menu4_lo.src = "bilder/menu4lo.gif";
  menu4_hi = new Image();
  menu4_hi.src = "bilder/menu4hi.gif";
  
  menu5_lo = new Image();
  menu5_lo.src = "bilder/menu5lo.gif";
  menu5_hi = new Image();
  menu5_hi.src = "bilder/menu5hi.gif";
  
  menu6_lo = new Image();
  menu6_lo.src = "bilder/menu6lo.gif";
  menu6_hi = new Image();
  menu6_hi.src = "bilder/menu6hi.gif";
  
  menu7_lo = new Image();
  menu7_lo.src = "bilder/menu7lo.gif";
  menu7_hi = new Image();
  menu7_hi.src = "bilder/menu7hi.gif";
  
  menu8_lo = new Image();
  menu8_lo.src = "bilder/menu8lo.gif";
  menu8_hi = new Image();
  menu8_hi.src = "bilder/menu8hi.gif";
  
  menu9_lo = new Image();
  menu9_lo.src = "bilder/menu9lo.gif";
  menu9_hi = new Image();
  menu9_hi.src = "bilder/menu9hi.gif";
  
  menu10_lo = new Image();
  menu10_lo.src = "bilder/menu10lo.gif";
  menu10_hi = new Image();
  menu10_hi.src = "bilder/menu10hi.gif";
  
  function change(nr,objekt)  {
     nr.src = objekt.src;  }