website Need add signon/login/affiliate

Website has finished most of the deisgn, need to add the following functions to existing design, need to be able to start the work right away and completed in 2 days. Company in California, have big clients base, more projects will be offered if you can complete the project as promised. 1. signup for new user 2. check login id/pswd for existing user 3. add affiliate program 4. add links from admin/php area, then show those link in the website with scroll bar 5. able to pass stats for visitors/clients/bouns/