518985 Easy Php customizing needed for current website

I run a social networking website that is fully functional and already have members, This website is made in php: what i need added to my website. [login to view URL] style comments script, so users can comment and post on each others page like on facebook or myspace [login to view URL] url for our members like myspace or facebook has for their members [login to view URL] views added to the users profile page so people can see how many times that user has been viewed..our members currently have this feature..so it can be switched around so members can see it [login to view URL] button where if a member comments on another "users" photo.....that " user or member" can delete that comment... 5. and some other few minor tweaks [login to view URL] approve button for friend request