codice:
<table>
  <tr>
    <? 
    $result = mysql_query("SELECT * FROM SitiEsterni",$connection); 
    $i=0;
    while ($row = @mysql_fetch_array($result)) { 
      if (($i % 3 == 0) && ($i > 0)) echo "</tr><tr>";
      ?>
      <td width="33%"><? print $row['DINGLESE'] ?></td> 
      <?
      $i++;
    }
    ?>
  </tr>
</table>