This module allows OSCommerce Snapshots after 1/11/2002 to work successfully with Worldpay.
Specific thanks to Graeme Simms, and to others on the OSC Forums for their help in getting this contribution working.
This payment module uses callbacks to allow full control of the payment screen when a payment is made or cancelled.
Please read the install.txt file in the zip file for instructions.
Please test thoroughly before using in a live environment.
Good Luck, and remember to back up everything before using.