i did not recognize the two @@'s. Sorry, kind of Attention Deficit
Syndrom.
-- 
Fritz Heinrichmeyer mailto:fritz.heinrichmeyer / fernuni-hagen.de
FernUniversitaet Hagen, LG ES, 58084 Hagen (Germany)
tel:+49 2331/987-1166 fax:987-355 http://www-es.fernuni-hagen.de/~jfh