function FadeIn(target,wert) {
    wert = wert+0.05; 
    document.getElementById(target).style.MozOpacity = wert;
    document.getElementById(target).style.filter = "alpha(opacity="+wert*100+")";
    document.getElementById(target).style.opacity = wert;
    if (wert <= 1) { 
      
      window.setTimeout("FadeIn('"+target+"',"+wert+")",10);
    }
  }
  function FadeOut(target,wert){
    wert = wert-0.05; 
    document.getElementById(target).style.MozOpacity = wert;
    document.getElementById(target).style.filter = "alpha(opacity="+wert*100+")";
    document.getElementById(target).style.opacity = wert;
    if (wert <= 0) {
      window.setTimeout("FadeOut('"+target+"',"+wert+")",10);
    }
  }
  function MakeInvisible(target) {
    document.getElementById(target).style.MozOpacity = 0;
    document.getElementById(target).style.filter = "alpha(opacity=0)";
    document.getElementById(target).style.opacity = 0;
  }