function items_categories_menu($id = 0, $sub_mark = '')
{

    $query = Db::query('SELECT id, title_'._LNG.' FROM categories WHERE parent_id = '.$id.' ORDER BY orderby ASC');

    $html = '';

    if ( $query ) {

        foreach ( $query as $row ) {

        $check_url = Db::query_one('SELECT id FROM categories WHERE parent_id = '.$row['id'].' ORDER BY orderby ASC');

        $url = ( $check_url ) ? 'javascript:;' : _SITE_URL._LNG.'/'._URL_PROIZVODI.'/'.clean_uri($row['title_'._LNG]).'-'.$row['id'] ;
        $class = ( $check_url ) ? 'class="menu-toggle"' : '' ;

        $html .= '<li>
                    <a href="'.$url.'" '.$class.' >'.$row['title_'._LNG].'</a>';

                    $check = Db::query_one('SELECT id FROM categories WHERE parent_id = '.$id.' ORDER BY orderby ASC');

                    if ( $check ) {

                        $html .= '<ul class="artikl-sub">';
                              $html .= proizvodi_categories_menu($row['id'], $sub_mark.'--');
                        $html .= '</ul>';

                    }

                  $html .= '
                  </li>';
        }
    }

    return $html;

}