function fieldcheck()
    {
        if (document.bbjoin.firstname.value == "")
        {
        alert("Please Input a First Name.");
        return false;
        }

        if (document.bbjoin.lastname.value == "")
        {
        alert("Please Input a Last Name.");
        return false;
        }

        if (document.bbjoin.email.value.indexOf("@") == -1 ||
            document.bbjoin.email.value == "")
        {
        alert("Please include a proper email address.");
        return false;
        }
    }