509915 User Registration(signup) and managements by AJAX

I have one user sign-up and management system in normal regular php/MySql. I need someone who can update this system to AJAX based. At present the system is [login to view URL] I want to make get it like : [login to view URL] [this is not completed - just to see the AJAX] + : user can Edit their information and see the history of login. Please provide me your previous done examples and bid only if your have confidants.