On Exit Popup With Plus Options

I want someone who is familer with pop-up marketing to create some popups on my sites for cross sales I don't want people who purchase a membership to have to deal with the pop-ups..etc.. If you can develope a "smart pop-up system" for my sites let me know. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Installation package that will install the software (in ready-to-run condition) on the platform(s) specified in this bid request. 3) Complete ownership and distribution copyrights to all work purchased. ## Platform My sites are on a linux server