design page

hi all i need a website where user can buy gift card they need to choose wich kind of card they want on wich amount they want reload and they provide payment throught credit card a clone of this website will be ok http://www.carteregalo.it. i need user registration admin panel for check all user data and payment details u can use ready made software or opensource. a full detailed scheme of what u can do is required for project acceptance fist part of the project will design all pages and logo