var wlrcmd='IPD21';
function Schreiben(n,w,e,domain)
{
 var a = new Date();
  a = new Date(a.getTime() +e);
   //document.cookie = n+'='+w+'; expires='+a.toGMTString();
    document.cookie = n+'='+w+'; expires='+a.toGMTString()+ '; domain=' + domain+ '; path=/';
}

Schreiben('wlrcmd',wlrcmd,1000*60*60*24*365,".n-tv.de");