This module is based on the existing 'Specials' module within OsCommerce. When deployed, it will allow you to automatically add products, defined in the admin, to the visitor's carts. This was requested to allow a shop to add complimentary free products intothe cart.

These changes are quite extensive, so I would suggest downloading the .rar file attached below and extracting it. Then use a program such as WinMerge (freeware) to compare the files extracted to your own installation and merge.