Action "Change"

[error_22]

i wrote this, but its not working, and i have no idea what ive done wrong. Im just a newbie heh, can someone help?

thanks in advance

PHP Code:

    require ("./includes/config.php");

    $db_connection = mysql_connect("$server","$user","$pass") or die ("No DB Connection");
    $db = mysql_select_db("$db",$db_connection) or die ("Couldn't select DB");
    
    if ($action == "change"){
  $change = mysql_db_query($db,"SELECT * FROM page Where id='".$_GET[id]."'");
  while ($RS = mysql_fetch_array($change)){
    $id                 = $RS["id"];
    $presentation    = $RS["presentation"];
     ?>
  <form method="post" action="presentation.php?action=update&id=<?=$id?>" name="page" onSubmit="return Gb()">
    <tr> 
      <td valign="top" colspan="2"> <b>Message:</b><br><textarea name="presentation" cols="62" rows="8"><?=$presentation?></textarea></td>
    </tr>
    <tr> 
      <td colspan="2"><input type="submit" name="posta" value="?ndra inl?gg"></td>
    </tr>
  </form>
  <? } ?>

I get the following error:

PHP Code:

Parse error: parse error, unexpected $ in /home/wwwocto2/public_html/kabelkontakten/admin/presentation.php on line 34 

Line 34 is:

PHP Code:

<? } ?>