Miguel, Karsten: "De nada" is the usual form to reply to "Gracias" in Spanish. "Por nada" can be used as well.
My .2 Daniel PS: The bad thing with having so many beautiful languages in our planet is that we can't learn them all !! > >> thank you for your patiente... > > > > > > De nada. (Sorry, I know that's Spanish and not Portuguese). > > This is a litle of topic.. but.. "de nada" is portuguese..i don't even > recall it to be spanish.. maybe its an expession used in both > languages..but.. one thing for sure.. "De nada" is what a portuguese > replies when someone thanks him, or at least.. a polite one. :)