function PopOpen(URLLink)
   {
    var prozbreite = 1.0;
    var prozhoehe = 1.0;
    var breite = Math.round(screen.availWidth * prozbreite);
    var hoehe = Math.round(screen.availHeight * prozhoehe);
    var links = Math.round((screen.availWidth - breite) / 2);
    var oben = Math.round((screen.availHeight - hoehe) /2);   
    
    var pop = window.open( URLLink, 'popup', 'left=' + links + ',top=' + oben + ',width=' + breite + ',height=' + hoehe + ',resizable=yes,scrollbars=yes');
    pop.focus();
    //window.clearTimeout("aktiv")
}  

function popUp(theURL,winName,features) {
  var pop = window.open(theURL,winName,features);
  pop.focus();
} 


//var aktiv = window.setTimeout("PopOpen('index.php?id=13')", 3000);