function pripocet(partner,url){
  if(partner!=null){
    if (xmlHttp.readyState == 4 || xmlHttp.readyState == 0)
    {
      xmlHttp.open('GET','lib/ajax.reklama.php?partner='+partner);
      //xmlHttp.onreadystatechange = handleServerResponse;
      xmlHttp.send(null);
    }
    if(window.open(url,'','')) return false;
  }
}