[Crazy Serb]

^^

never mind, i got it from another hack...

if you want to have the thread being created from the calendar event to be moderated first, add this line of code:

$DB_site->query("REPLACE INTO " . TABLE_PREFIX . "moderation (threadid, postid, type) VALUES ($threadid, $firstpostid, 'thread')");

just before the last block of code:

$DB_site->query("
UPDATE " . TABLE_PREFIX . "forum ....

and change the "visible" value for the first two INSERT statements to zero (from "...$iconid, 1" to "...$iconid, 0" to make the threads invisible until approved)