What does it do:
This adds support for NMI QuickClick payment integration. The checkout button
will redirect the customer to the gateway site to login and pay. Once payment is completed, the
page will redirect back to your site.
* You will of course need to have a NMI account.
* PCI Compliant
* No need for private SSL
* No files overwritten
* Redirect Return processing
* Debug Logging for troubleshooting
* Full support of error handling.