function createNewObject($object_type, $post_vars, $system_data_classes, $object_save = 0)
{
    if (!$object_type) {
        return false;
    }
    if (!in_array($object_type, $system_data_classes)) {
        return false;
    }
    switch ($object_type) {
        case "page":
            $object = new page("new page");
            $object->update_document_props($post_vars);
            if ($object_save == 1) {
                $object->createContent();
                $object->save();
            }
            break;
        case "process":
            $object = new process("new process");
            $object->update_document_props($post_vars);
            $object->update_design_props($post_vars);
            if ($object_save == 1) {
                $object->save();
            }
            break;
        case "section":
            $object = new section("new section");
            $object->update_document_props($post_vars);
            if ($object_save == 1) {
                $object->createContent();
                $object->save();
            }
            break;
        case "image":
            $object = new image("new image");
            $object->update_document_props($post_vars);
            if ($object_save == 1) {
                $object->save();
            }
            break;
        case "file":
            $object = new file("new file");
            $object->update_document_props($post_vars);
            if ($object_save == 1) {
                $object->save();
            }
            break;
        default:
            break;
    }
    return $object;
}