Hey Stefano, >ref = sDec; means you assign value of sDec to the reference of >ref, in your >case sInc. >a reference relationship can only be established once. Ouch! Of course it's like that. Why did I think otherwise ? Sorry for the very dumb question :) Thanks Korli (and Michael and Mikael). Stefano Ceccherini aka Jack Burton --------------------------------------------------------------- Scegli il tuo dominio preferito e attiva la tua email! Da oggi l'eMail di superEva e' ancora piu' veloce e ricca di funzioni! http://webmail.supereva.it/new/ ---------------------------------------------------------------