Finish website and fix bugs

I hired someone to do this but he had to stop because something urgent came up for him. It is about 85-90% done and I have many bugs that need to be fixed. This site is a social networking website and it requires advance php coders who have coded custom big sites like these before. Most are bugs that need to be fixed. Major bugs that needs to fix (already implemented but has some errors): -Short Url -Rating system -Pagination -Remove popup page for rating page, add buddy, etc. and make it into an actual page (not popup) -Fix the search feature. -Encrypt password properly. -Preload all images before page is viewable. -Fix session (more details later). -When sign up record IP address. -Add timezone on sign up and implement the timezone throughout the site. -minor bugs About a total of 15-20 minor bugs that need to be fixed. What needs to be added as well: -# people online statistics in the header. -Feedback form -Add a reply system to a section of the site. -Simple admin panel Will give more details in pm.