Thanks Rob! Silly me, I'd read the manual but didn't realize how exactly it works. Now it is more clear. Atte: Nice trick, thanks! It's a bit "aesthetically ugly" to do it this way, especially for more arguments, but it should the job. Dimitris ___________________________________________________________ Χρησιμοποιείτε Yahoo!; Βαρεθήκατε τα ενοχλητικά μηνύματα (spam); Το Yahoo! Mail διαθέτει την καλύτερη δυνατή προστασία κατά των ενοχλητικών μηνυμάτων http://login.yahoo.com/config/mail?.intl=gr