function popUpImage(sImgPath, iImgW, iImgH) { var sHeader = "\n\n\nCredit Card Verification Number\n\n\n\n"; var sFooter = "\n"; var oWin = window.open("about:blank", null, "width=" + (iImgW+15) + ",height=" + (iImgH+40) + ",left=50,top=1,directories=0,location=0,menubar=0,resizable=0,scrollbars=0,status=0,toolbar=0"); oWin.document.open(); oWin.document.write(sHeader); oWin.document.write("

\n"); oWin.document.write(""); oWin.document.write("close window
"); oWin.document.write(sFooter); oWin.document.close(); } function isCreditCard(theCardNumber) { // // This function validates a credit card entry. // If the checksum is ok, the function returns true. // var ccNum; var odd = 1; var even = 2; var calcCard = 0; var calcs = 0; var ccNum2 = ""; var aChar = ''; var cc; var r; // if (ccNum.substr(6,1) == "*") // return true; ccNum = theCardNumber; //if (ccNum.charAt(0) == '*') return true; // check visa //if ((document.docForm.BillccType[0].checked) && !(ccNum.substr(0,1) == "4")) { //return false; //} //check master card // if ((document.docForm.BillccType[1].checked) && !(ccNum.substr(0,1) == "5")) { // return false; //} /* // check american express, don't go thru algorithm if so if ((document.docForm.BillccType[2].checked) && !(ccNum.substr(0,1) == "3")) { alert("shouldnot be here") return false; } */ //if (document.docForm.BillccType[2].checked) { //alert("here"); //return true; //} //else { //do the rest for(var i = 0; i != ccNum.length; i++) { aChar = ccNum.substring(i,i+1); if(aChar == '-') { continue; } ccNum2 = ccNum2 + aChar; } cc = parseInt(ccNum2); if(cc == 0) { return false; } r = ccNum.length / 2; if(ccNum.length - (parseInt(r)*2) == 0) { odd = 2; even = 1; } for(var x = ccNum.length - 1; x > 0; x--) { r = x / 2; if(r < 1) { r++; } if(x - (parseInt(r) * 2) != 0) { calcs = (parseInt(ccNum.charAt(x - 1))) * odd; } else { calcs = (parseInt(ccNum.charAt(x - 1))) * even; } if(calcs >= 10) { calcs = calcs - 10 + 1; } calcCard = calcCard + calcs; } calcs = 10 - (calcCard % 10); if(calcs == 10) { calcs = 0; } if(calcs == (parseInt(ccNum.charAt(ccNum.length - 1)))) { return true; } else { return false; } //} } function getTheMonth() { var today = new Date(); var MonM = today.getMonth(); MonM += 01; return MonM; } function getTheYear() { var today = new Date(); var YeaR = today.getUTCFullYear(); var Year1 = " "; Year1 = YeaR.toString(); Year1 = Year1.substr(2,2); return Year1; } function validExpDate(PMonth, PYear) { var todayMonth1 = getTheMonth(); var todayYear1 = getTheYear(); var todayMonth = todayMonth1.toString(); var todayYear = todayYear1.toString(); if (todayMonth.length == 1) { todayMonth = "0" + todayMonth; } if ((PYear < todayYear) || (PYear == todayYear && PMonth < todayMonth)) { return false; } else { return true; } } function submitIt(theForm) { if (!(isCreditCard(theForm.BillccNumber.value))) { alert("Invalid credit card number\rPlease re-enter the card number\ror choose correct Visa or Master Card"); theForm.BillccNumber.focus(); theForm.BillccNumber.select(); return false; } if (!(validExpDate(theForm.BillccMonth[theForm.BillccMonth.selectedIndex].value, theForm.BillccYr[theForm.BillccYr.selectedIndex].value))) { alert("The card expiration date is invalid, or this credit card has expired"); theForm.BillccNumber.focus(); theForm.BillccNumber.select(); return false; } if (theForm.CVVValue.value.length < 3) { alert("Please enter the 3-4 digit Credit Card Verification Number located on the back of your card"); theForm.CVVValue.focus(); theForm.CVVValue.select(); return false; } }