[Zope] How to I set a variable to forever ?

Hello ! I want to use a thing like "nonstopped", forever existing cookie. My site has two languages. When the user change the language, I must change it forever. I must store this value, example in cookie, and when he/she is return, I get back to his/her choosen language. But in Zope how to I create a cookie with no time limit ??? Thanx for every help. -- Üdv/Kind of Regards: fowlertrainer@anonym.hu mailto:fowlertrainer@anonym.hu