//************************************** // // Name: Credit Card Validator // Description:These functions thoroughl // y attempt to invalidate American Express // , Discover, MasterCard and Visa with len // gth, character validation, prefix matchi // ng, check digit, and expiration date tes // ts. The html test document by no means w // ill attempt to forward your credit card // numbers. The action of the form is set t // o an invalid URL // By: vsim // //This code is copyrighted and has// limited warranties.Please see http:// // www.Planet-Source-Code.com/vb/scripts/Sh // owCode.asp?txtCodeId=2493&lngWId=2//for details.//************************************** // Credit Card Validation