I apologize for bothering you. I thought that somewhere might be a how-to to solve this. Thank you for help. I wish you nice weekend. Best Regards from Germany Sebastian Heinrich Techn. DV Aluminium Oxid Stade GmbH Johann-Rathje-Köser-Straße 21683 Stade email S.Heinrich at aos-stade.de web http://www.aos-stade.de