auction web site

hello, im looking for auction web site like [login to view URL] it should be live auction with the? same functionality. it should show bider user name live and show time of auction. please look at bidz web site and see how it work. in admin i would like to have the option to add items for auction from 1 minute to 48 hours. when action is close it should stay there for about five minuts and new item will replace it from the? database. i would like also to have the items from database to go live automaticly rendom or i can have control of the auction? manually. registration sould be simple like bidz. thank you.