hauptnav1 = new Image();
hauptnav1.src = "/img/nav_home1.gif";

hauptnav2 = new Image();
hauptnav2.src = "/img/nav_wu1w.gif";

hauptnav3 = new Image();
hauptnav3.src = "/img/nav_lehre1.gif";

hauptnav4 = new Image();
hauptnav4.src = "/img/nav_forschung1.gif";

hauptnav5 = new Image();
hauptnav5.src = "/img/nav_service1.gif";

icon1 = new Image();
icon1.src = "/img/icon1.gif";

icon2 = new Image();
icon2.src = "/img/icon2.gif";

icon3 = new Image();
icon3.src = "/img/icon3.gif";

icon4 = new Image();
icon4.src = "/img/icon4.gif";

icon5 = new Image();
icon5.src = "/img/icon5.gif";

icon6 = new Image();
icon6.src = "/img/icon6.gif";


function setnewtext(o,t) {
    var obj=document.getElementById(o);
    if (obj) {
      obj.innerHTML=t;
    }
  }