This new version of this (still) very simple ActiveX DLL provides full install/uninstall feature. You provide a credit card number and it returns - true or false according to the validity - the name of the card. Recognized cards are : Visa, Amex, Diners Club, JCB, enRoute, Discover/Novus, Australian BankCard, carteBlanche - provides preliminary card verification without contacting the card provider - provides for quickly detecting common errors in credit card orders - reduces the time required to process Internet credit card orders - reduces the costs of processing credit card orders