function layermenuconf(){
    var mtop = 90;
    //hebezeuge
    var pos = mtop ;
    if ( document.getElementById("layermenunum7") )
    document.getElementById("layermenunum7").style.top = pos +"px";
    //winden
    pos = mtop + 36;
    if ( document.getElementById("layermenunum8") )
    document.getElementById("layermenunum8").style.top = pos +"px";
    //kräne
    pos = mtop + 2 * 36;
    if ( document.getElementById("layermenunum6") )
    document.getElementById("layermenunum6").style.top = pos +"px";
    //service
    pos = mtop + 3 * 36;
    if ( document.getElementById("layermenunum5") )
    document.getElementById("layermenunum5").style.top = pos +"px";
    //unternehmen
    pos = mtop + 4 * 36;
    if ( document.getElementById("layermenunum4") )
    document.getElementById("layermenunum4").style.top = pos +"px";
  
  }