var fDesc=new Array(); fDesc[0] = "Credit Card Checker Tool instantly check credit card number for validity. It verifies MasterCard, Visa, Carte Blanche, Diners Club, EnRoute, American Express (AMEX), Discover, JCB and other credit card numbers. Credit Card Check Tool utilizes LUHN10 algorithm (except EnRoute) and first card digits verification algorithm.

* Verifies MasterCard, Visa, American Express, Discover, Diners Club and many other card type numbers
* Uses LUHN10 checksum algorithm
* Performs first card digits identification
* Automatically determines type of the card"; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }