Place a buy and sell page on website

We have a website under construction for a condominium development ([login to view URL]). On the site we wish to have a buy and sell page where the residents can post items for sale or indicate that they are in the market for a particular item.? We want it set up in such a way that these postings expire the earliest of 30 days or when the poster deletes his posting. No one else should be able to delete a posting unless it is an admin.? We would like visitors to the site to be able to view only but not be able to post. It is important to us that we be able to finish this site today (we are in the Pacific time zone) so the successful bidder must be able to start the job immediately and guarantee completion within a few hours.? ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows? (depending on the nature? of the deliverables): a)? For web sites or? other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software? installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform "Windows XP", "in all 6.0+ versions of Internet Explorer and 2.0+ versions of Firefox", "Linux" "Chrome" "Safari"