function validateReferAFriend() {
    if ($(".txtName").val() == '') {
        alert('Please enter your name!');
        $(".txtName").focus();
        return false;
    }
    else if ($(".txtEmail").val() == '') {
        alert('Please enter your email address!');
        $(".txtEmail").focus();
        return false;
    }
    else if ($(".txtAccountNumber").val() == '') {
        alert('Please enter your account number!');
        $(".txtAccountNumber").focus();
        return false;
    }
    else if ($(".txtFriendFirstName").val() == '') {
        alert('Please enter your friends first name!');
        $(".txtFriendFirstName").focus();
        return false;
    }
    else if ($(".txtFriendSurname").val() == '') {
        alert('Please enter your friends surname!');
        $(".txtFriendSurname").focus();
        return false;
    }
    else if ($(".txtFriendEmail").val() == '') {
        alert('Please enter your friends email address!');
        $(".txtFriendEmail").focus();
        return false;
    }
    return true;
}