Thanks Andreas. I'll "travel" the code a bit and then come back. If I'll success in such coding, I'll write all on the wiki ("how I did it!")
G. -- Giuseppe Briotti g.brio...@gmail.com "Alme Sol, curru nitido diem qui promis et celas aliusque et idem nasceris, possis nihil urbe Roma visere maius." (Orazio)