Implement database for web portal website

I need a functionality added to an existing portal website in the form of a DATABASE. Things that are needed: 1.) Ability to search directory listings (content) on the website. 2.) Ability for end-user type A to create a login & password to log into the website with the purpose of accessing continuing education courses for dentists. 3.) Ability for end-user type B to create login & password to log into the website with the purpose of creating a profile for selling their dental equipment. 3.) Ability for end-user type C to create login & password to log into the website with the purpose of creating a profile for selling their dental products. 4.) Ability for end-user type D to create login & password to log into the website with the purpose of creating a profile for listing dental laboratory services they offer. 5.) Ability for administrator user to modify, create, delete, and limit access to certain content of the website for the above-mentioned users. ## Deliverables URL of existing website will be given to interested bidders. * * *This broadcast message was sent to all bidders on Monday Nov 30, 2009 1:38:45 PM: The existing website is [login to view URL]