function display(i) {
  var Verfallszeit = 1000*60*60*24;
  no1.style.display="none";
  no2.style.display="none";
  no3.style.display="none";
  no4.style.display="none";
  WertSetzen("display",i,Verfallszeit);
  document.getElementById('no'+i).style.display="";
}
function WertHolen() {
 var Wert = "";
 if(document.cookie) {
  var Wertstart = document.cookie.indexOf("=") + 1;
  var Wertende = document.cookie.indexOf(";");
  if (Wertende == -1)
   Wertende = document.cookie.length;
  Wert = document.cookie.substring(Wertstart,Wertende);
 }
 return Wert;
}

function WertSetzen(Bezeichner, Wert, Verfall) {
 var jetzt = new Date();
 var Auszeit = new Date(jetzt.getTime() + Verfall);
 document.cookie = Bezeichner+"="+Wert+"; expires="+Auszeit.toGMTString()+";";
}

function displayCheck() {
  var displayAlt = WertHolen();
  var display = 1;
  if(displayAlt != "") display = parseInt(displayAlt);
  no1.style.display="none";
  no2.style.display="none";
  no3.style.display="none";
  no4.style.display="none";
  document.getElementById('no'+display).style.display="";
 
}
if (parent.frames.length > 1) top.location.href = "http://tass.is-a-geek.net/";