Integrate Affiliate Program Code to Classified Ad Site

I need someone to integrate AssocTRAC? affiliate program coding to a classified ad site to enable tracking of sales that affiliates may send. I have atttached details of the strings of code that need to be integrated into the order process. The code needs to be properly integrated so that it's able to track what particular product/service has been ordered on the page & then apply the appropriate percentage commission. The AssocTRAC software is more than capable of handling the backend of the program, I just need some assistance with the correct placement? of the code? & ensuring the correct tags are added? during the order process on the site. Please take a moment to view the attached file (AssocTRAC, details, code details, site details), as this will probably be able to answer any questions you may have about the job.? If it? doesn't, please? ask me.