function online user null user int abs user data mysql_fetch_object my

function online ($user = null)
{
	$user = (int) abs($user);
	$data =  @mysql_fetch_object(
			@mysql_query(
				"SELECT `id`,`plem`,`online` FROM `user` WHERE `id`='".$user."'"
				)
		);
	?>
	<img src="/images/icon/race/<?=($data->plem == 'ogn' ? 0 : 1);?>.png"
	style ="<?=($data->online > (time()-3600) ? 'opacity:0.2;' : null);?>"/>
}