Ciao, non riesco a cambiare la larghezza delle celle pur modificando le percentuali. Dov'è l'errore?


<?
include("glos_db.php");
?>
<html>
<head>
<title>Documento senza titolo</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>

<body>
<table width="100%" border="1" cellspacing="0" cellpadding="0" >
<tr>
<td align="center" width="8%">Numeri</td>
<td align="center" width="33%" >Termini</td>
<td align="center" width="40%" nowrap>Significato</td>

<td align="center" width="19%">Fonte</td>
</tr>
<?
mysql_select_db($db,$curConn) or die ("IMPOSSIBLE ACCEDERE AL DATABASE");
$query = "select * from glossario order by 'termini' asc";
$res = mysql_query($query);
while ($row=mysql_fetch_array($res)){
print(" <tr>
<td align='center' width=\'8%\'>$row[numeri]</td>
<td align='center' width=\'33%\'>$row[termini]</td>
<td width=\'40%\'>$row[significato]</td>
<td align='center' width=\'19%\'>$row[fonte]</td>
</tr> " );
}
?>
</table>
</body>
</html>