my $filename = "Rechnung_".$rgnr.".pdf";
			
			$http_headers_out{'Cache-Control'} = ": no-cache, must-revalidate";
			$http_headers_out{'Expires'} = ": Sat, 26 Jul 1997 05:00:00 GMT";
			$http_headers_out{'Content-type'} = ": application/pdf";
			$http_headers_out{'Content-Disposition'} = ": attachment; filename=$filename";	
			$http_headers_out{'Content-Transfer-Encoding'} = ": binary";
			binmode(STDOUT);
			
			print output;