/* {{{ proto: void fud_delete_topic(mixed arg) }}}
 * This function deletes topic(s) specified by arg.
 */
function fud_delete_topic($arg)
{
	fud_delete_msg(_fud_simple_fetch_query($arg, "SELECT root_msg_id FROM ".$GLOBALS['DBHOST_TBL_PREFIX']."thread WHERE id IN({ARG})"));
}