function pical_search_base($mydirname, $keywords, $andor, $limit, $offset, $uid)
{
global $xoopsConfig, $xoopsDB, $xoopsUser;
// setting physical & virtual paths
$mod_path = XOOPS_ROOT_PATH . "/modules/{$mydirname}";
$mod_url = XOOPS_URL . "/modules/{$mydirname}";
// defining class of piCal
if (!class_exists('piCal_xoops')) {
require_once "{$mod_path}/class/piCal.php";
require_once "{$mod_path}/class/piCal_xoops.php";
}
// creating an instance of piCal
$cal = new piCal_xoops("", $xoopsConfig["language"], true);
$cal->use_server_TZ = true;
// setting properties of piCal
$cal->conn = $xoopsDB->conn;
include "{$mod_path}/include/read_configs.php";
$cal->images_url = "{$mod_url}/images/{$skin_folder}";
$cal->images_path = "{$mod_path}/images/{$skin_folder}";
$ret = $cal->get_xoops_search_result($keywords, $andor, $limit, $offset, $uid);
return $ret;
}