like click it and it automaticallly starts downloading something

hi friends i need a dynamic website creator
where i can add menus and change it dynamically
it must also contain online payment support
iam looking to build a site for restaurant reviews
where a rest. owner can post his restaurant details and customers can
c the reviews written by users (customers itself) etc..
it needs t to have an online payment method
i dont want to code all these things
need to know whether there is any site where we can have dynamic website creator
am ready to spend money