CAllForumUser::OnSocNetGroupDelete

static function OnSocNetGroupDelete($group_id)
{
	global $DB;
	$group_id = intval($group_id);
	if ($group_id>0)
	{
		if(CModule::IncludeModule("socialnetwork"))
		{
			$dbRes = $DB->Query("select ID from b_forum_topic where SOCNET_GROUP_ID=".$group_id);
			while($arRes = $dbRes->Fetch())
			{
				CForumTopic::Delete($arRes["ID"]);
			}

		}
	}
	return true;
}