function confirmAddCardClicked(event) {
var name = document.getElementById("full-name").value;
var expDate = document.getElementById("exp-date").value;
var expMonth = expDate.substring(5);
var expYear = expDate.substring(0, 4);
var number = document.getElementById("cc-number").value;
var validationResult = cardValidator.number(number);
var expDateValidation = cardValidator.expirationDate({ month: expMonth , year: expYear });
addCardConfirmed(name, number, expMonth, expYear);
$("#add-card-modal").modal("toggle");
}
function cardInfoUpdated(event) {
var name = document.getElementById("full-name").value;
var expDate = document.getElementById("exp-date").value;
var number = document.getElementById("cc-number").value;
var validationResult = cardValidator.number(number);
var expDateValidation = cardValidator.expirationDate({ month: expDate.substring(5) , year: expDate.substring(0, 4) });
var readyToSave = validationResult.isValid && expDateValidation.isValid && name.length > 0;
document.getElementById("add-card-confirm-button").disabled = !readyToSave;
var formattedNumber = formatCardNumber(number);
if (number !== formattedNumber) {
document.getElementById("cc-number").value = formattedNumber;
}
}