ADULT PRE PAID CARDS

to create a website for over 18 market. to sell adult pre paid cards of $10, $15 & $25 donominations. for an adult web site which has links to 100s of different sites from pics, movies and live chat. no personal info such as c/c details or email address are [login to view URL] means no SPAM emails for customer. the cards have a username and password on the back and all the customer has to do is go to the website and log in using the details on the back of the cards. $10 cards give 5 days unlimited access $15 cards give 10 days unlimited access $25 cards give 30 days unlimited access the website would have to have the over 18 entry legal wordings to protect me from anyone under 18 buying one & a invoice page to collect details from customer where to send card or card details to once payment had been made. ** not sure how the best way of setting up for payment would be**