function checkForm(frm) {
    var ok = true;

    for (var i = 0; i < frm.elements.length; i++) {
        var curInput = frm.elements.item(i);

        if (curInput.name != 'submit' && curInput.name != 'reset' && curInput.value == '') {
            ok = false;
            break;
        }
    }

    if (!ok) {
        alert('Please complete all form fields before sending your information.');
    }

    return ok;
}