piccola disattenzione..prova cos'

Codice PHP:
<html>
<head><title></title></head>
<body>
<?
$users = 100;
$pos = $_REQUEST['pos'];
if ($pos<100) {
echo "<form id=\"x\" method=\"post\" action=\"".$_SERVER['PHP_SELF']."&pos=$pos"."\">";
include('../includes/config.php');
include('../includes/opendb.php');
$result = mysql_query("SELECT * FROM `darkuniverse_user` ORDER BY `darkuniverse_user`.`punti` DESC LIMIT $pos,10");

echo "<table width='300' table border='1' cellpadding='0' cellspacing='0' style='border-collapse: collapse' bordercolor='black'>
<tr>
    <td background='../images/classifica_top.png'><p class='Stile2'>Nome Utente</p></td>
    <td background='../images/classifica_top.png'><p class='Stile2'>Punteggio</p></td>
    <td background='../images/classifica_top.png'><p class='Stile2'>Livello</p></td>
  </tr>";

while($myrow = mysql_fetch_array($result))
{
echo '<tr>
    <td background="../images/classifica_bg.png" class="classifica">'.$myrow["nomeutente"].'</td><td background="../images/classifica_bg.png" class="classifica">'.$myrow["punti"].'</td><td background="../images/classifica_bg.png" class="classifica">'.$myrow["livello"].'</td>';
echo '</tr>';
}
echo "<tr><td colspan=\"3\"><input type=\"submit\" value=\">>\" /></td></tr>";
echo '</table>';
echo "</form>";
}
?>
</body>
</html>