We need you to take an existing Elavon payment processing module and modify it for use with our shopping cart with One Page Checkout module. Must sign a NDA before work is completed. I have a sandbox already setup.
Shopping cart is on OSCommerce 2.3.1.
Virtual Merchant Addon Here: [url removed, login to view],6417/page,44
One Page Checkout Here: [url removed, login to view]