Does anyone know of a script, program, or way of doing the following?

Put all my domains into a private database. Then put several affiliate links organized by category into the database. Then have a dynamic parking pages for each domain name, where through the script program I could choose which links to put on the respective domains, based on which of my afffiliate links I think would do best accordingly.

Make Sense?

Does anyone have such a script? Does anyone know where I could buy one?

I thought about modifying this script into a non commercial version, but then I would rather not pay their price?

http://www.alstrasoft.com/domains.htm