function timeleft($s){
	$days = intval(($s / 60 / 60 / 24));
	$s -= ($days * 60 * 60 * 24);
	$hours = intval(($s / 60 / 60));
	$s -= ($hours * 60 *60);
	$minutes = intval(($s / 60));
	$s -= ($minutes * 60);
	
 	if ($days >= 1) {
 		$r .= $days."d ";
	}
	if ($hours >=1) {
		$r .= $hours."h ";
	}
	if ($minutes >=1) {
		$r .= $minutes."m ";
	}
	$r .= $s."s ";
	
	return $r;
}