Mine

$notes = @mysql_query("SELECT id, date, note FROM `notes` ORDER by DATE, ID DESC LIMIT 1");
if($notes) {
    $note = mysql_fetch_row($notes);@mysql_free_result($notes); 
}
if (!isset($_COOKIE['dismiss-note']) || $_COOKIE['dismiss-note'] !== $note["0"]) {
	echo '<div id="note">'.$note["3"].'</div>';
}
unset($note);