hi i am from turkey and i regestered new, i was folloving w3schools web pages but i was not member, anyway.my question, i have a request form. but i want a user can request just one times, i mean; user will click to submit botton, he will back to sendrequest.asp, if he want send again, the page will say "This IP has already a request for this Survey!. how can i do it, what is codes or how can i serach on w3schools it, i want it and i dont know english very well :)sory for my bad english, and thak you for read my message.