Referral Contests Script

Referral Contests Script. Something that work like this : Some user sign-up to the system(username,password,confirm email etc) , he get some link with a code for the script to know from what user the site was refer. now he need to publish that link and collect as many visitors as he can to the link. I need to see top refer per month to give prices to top users if wanted. User control panel: Edit or delete is account users can see stats refers Admin section: i need to edit/delete users and email all user option I need a place to add the website address to refer to I need a login and logout button also Main place on a site ( i would like a line of code like: <?php include('[login to view URL]'); ?> easier to incorporate in web site wher you want it to appear..... So i need a box to see top 3,signup and login in main page of a web site maybee abox like this site here for donation: donationmeter dot net You also must have msn/yahoo or aim for easier contact once building the script