How to works
1. this script last time i used for check with merchant authorize.net
2. so, you need merchant acc with that
3. how to have merc acc, you can create it one by self
4. just need virtual bank acc and usa info person and simple website store for application
5. after done you can set the info of it and upload the script to your shop sites
6. or you can use another creditcard payment gateway account else, i seen many of it now. just apply with lower charges likes allopass.com , etc
7. good luck for have own cc checker :51: