custome Swoopo Clone

I am looking for a programmer that can create Pay per bid auction ([login to view URL] clone)written in Php and Ajax with mysql database. The script needs to be finished within 20 days and the budget is up to $750. The script must contain auction, user, administrator sections and be easily expandable with new modules and features. User area will contain profile, billing and auction and bid control. However administration area will let the multiple adminsitrator to control auctions and bids, users, website settings and templates, billing and payment gateways. All language texts must be included in the txt files saved as UTF-8 to allow multi lanugages.