Now it works fine, thanks also for the link to your receipes, Hans- Albert.
Regards, Carsten
================================================== == == Dipl.-Ing. Carsten Karkola == == TU Dresden - Fak.Bauingenieurwesen - FRZ == == Tel.: +49 351 463 3659 == Fax: +49 351 463 7766 == e-mail: carsten.karkola@mailbox.tu-dresden.de == ==================================================