function popup() 
{ 
 var breite='303'; 
 var hoehe='425'; 
 var positionX=50; 
 var positionY=50; 
 var url='./popup.php'; 
 pop=window.open('','popup','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,fullscreen=no,Width='+breite+',Height='+hoehe+',innerWidth='+breite+',innerHeight='+hoehe+',top='+positionY+',left='+positionX+'');
 pop.location=url; 
}
onerror = stopError;
function stopError()
{return true;}