// btnSubmit
        }
    }
}
// hf page - add a tag
if (isset($_GET['action'])) {
    if ($_GET['action'] == 'add-hf-tag') {
        if (isset($_POST['qid']) && isset($_POST['new_tag_value'])) {
            $new_tag_value = $_POST['new_tag_value'];
            $new_tag_value = substr($new_tag_value, 0, min(254, strlen($new_tag_value)));
            $props = array();
            $props['id_hf'] = $_POST['qid'];
            $props['id'] = sha1(time() . $new_tag_value);
            $props['str_tag'] = $_POST['new_tag_value'];
            $new_hf_tag = new hf_tag();
            $new_hf_tag->create($props);
        }
    }
}
// end if
// hf page - delete a tag
if (isset($_GET['action'])) {
    if ($_GET['action'] == 'delete-hf-tag') {
        if (strlen($_POST['tid']) > 0 && strlen($_POST['qid']) > 0) {
            $delete_tag = new hf_tag();
            $delete_tag->get_from_hashrange($_POST['qid'], $_POST['tid']);
            if ($delete_tag->id != 'undefined') {
                $delete_tag->delete();
            }
        }
    }