Problem cleared up. :-) Thank you Matt and Satish! Best, Toby ----- Toby D. Young - Adiunkt (Assistant Professor) Department of Computational Science Institute of Fundamental Technological Research Polish Academy of Sciences Room 206, ul. Swietokrzyska 21 00-049 Warszawa, Polska +48 22 826 12 81 ext. 184 http://rav.ippt.gov.pl/~tyoung