Please read the instructions below carefully.

I need a tool/script coded to track domain performance; the script should be able to do the following.
1. Track the domains position in the top 4 search engines (Google, Bing, Yahoo, AOL)
2. Track up to 6 keywords per domain and return search engine positions for keywords.
3. Track number of back links to a domain/URL and indicate change in backlinks
4. Return domain PR
5. Alexa Position
6. Demoz and yahoo listed
The script should be server based I have my own server.

Admin panel

The admin panel should be able to completely manage the site including the following.
1. Integration with paypal
2. The charge will be per domain/URL tracked per month
3. The user must be able to add a URL and be automatically billed for it automatically
4. All the sites function should be automatic.
5. Membership should be free, for this a free member will be able to track one domain and one keyword per account, on one search engine (yahoo) the option to upgrade for more keywords and search engines should be available.
6. A paid member will be able to track one domain, 6 keywords on 4 search engines. Along with items 4, 5, 6 above. The charge should be changeable as it may need to be increased later on.
7. Option to upgrade a member for free.
8. Option to delete members.
9. The ability to check or import the monthly payments via PayPal to ensure member has paid.

Reports

Reports should be compiled once per day and a paid option to email the results needs to be included.
Results page should show present position and a history of the domain and keyword performance for the current year. Year on year results should be archived and accessible to user. Results should be available in table format and graph.