function updateStatus($pid, $status_type, $status)
{
    if (strpos($pid, 'ap-image:') > -1) {
        $success = AP_Image::setImageStatus($pid, $status_type, $status);
    } else {
        if (strpos($pid, 'ap-roi:') > -1) {
            $success = AP_ROI::setROIStatus($pid, $status_type, $status);
        } else {
            $success = false;
        }
    }
    if ($success != false) {
        echo '<status_successfully_updated>true</status_successfully_updated>';
        //or whatever we want the return to be
    } else {
        echo '<status_successfully_updated>false</status_successfully_updated>';
        //or whatever we want the return to be
    }
}