function checkform() {
    // see http://www.thesitewizard.com/archive/validation.shtml
    // for an explanation of this script and how to use it on your
    // own website


    if (RequestInfo.lease.value == "") {
        alert("Please enter your lease number.");
        RequestInfo.lease.focus();
        return false;
    }

    if (RequestInfo.first.value == "") {
        alert("Please enter your first name.");
        RequestInfo.first.focus();
        return false;
    }

    if (RequestInfo.last.value == "") {
        alert("Please enter your last name.");
        RequestInfo.last.focus();
        return false;
    }

    if (RequestInfo.nameofcompany.value == "") {
        alert("Please enter your company name.");
        RequestInfo.nameofcompany.focus();
        return false;
    }

    if (RequestInfo.email.value == "") {
        alert("Please enter your email address.");
        RequestInfo.email.focus();
        return false;
    }

    if (RequestInfo.address.value == "") {
        alert("Please enter your street address.");
        RequestInfo.address.focus();
        return false;
    }
    if (RequestInfo.city.value == "") {
        alert("Please enter your city.");
        RequestInfo.city.focus();
        return false;
    }

    if (RequestInfo.state.value == "") {
        alert("Please choose your state.");
        RequestInfo.state.focus();
        return false;
    }

    if (RequestInfo.zip.value == "") {
        alert("Please enter your zip code.");
        RequestInfo.zip.focus();
        return false;
    }

    if (RequestInfo.phone.value == "") {
        alert("Please enter your phone number.");
        RequestInfo.phone.focus();
        return false;
    }
    return true;
}


if (NPform) {
    var np_form = new NPform('RequestInfo', 'p_ffinfo', 'ffinfo', "off", checkform, '/scripts/formmailer_script.php');
}