Hallo, Here a (short) reaction: It was -of course- not my intention to bother someone with my previous posting. I just wanted to add something to this -fine- list. People who offered a bit of their diskspace, thanks, we have space enough here, and it's no problem to make the code available by ftp or http. But let's stop this discussion now. Greetings, # Nico Rozendaal, # # University of Maastricht, # # Dept. of Psychiatry & Neuropsychology, # # Maastricht, The Netherlands. # # e-mail: nico.rozendaal@np.unimaas.nl #