if ( $results->has_missing() || $results->has_invalid() ) 
{
   print $obj->header ( "text/html" ),
   $obj->start_html ( -title => "Bestätigung" ); 
   print $obj->h3 ( "Sie haben nix eingegeben! \n" );
   print $obj->redirect ( "http://localhost/db/neuer_user.html" );
   print $obj->end_html;
   exit;
}