foreach id problem

Kode 

<div id="newswindow" align=left>
<div class="news">
	<p>Welcome to member controle here you can delete and promote all users of this forum, dont demote officers without promission from the Guild Master, All info is stored on Mysql server and cant be deleted from here, so please dont do anything without promission.</p><br />
<form method="post">
<table>
	<tr>
		<td width="10px">
		id
		</td>
		<td width="75px">
		Username
		</td>
		<td width="140px">
		E-mail
		</td>
		<td width="80px">
		Member?
		</td>
		<td width="80px">
		Admin?
		</td>
		<td width="100px">
		Promote
		</td>
		<td width="100px">
		Demote
		</td>
		<td>
		Delete user?
		</td>
	</tr>
<?
	$sql = mysql_query("SELECT * FROM members ORDER BY id");
	while ($members = mysql_fetch_array($sql)) { 
?>
	<tr>
		<td width="10px">
			<? echo $members['id']; ?>
		</td>
		<td width="75px">
			<? echo $members['username']; ?>
		</td>
		<td width="140px">
			<? echo $members['email']; ?>
		</td>
		<td width="80px">
			<? 
			if($members['member'] == '1') {			
				echo "Yes";
			} 
			
			else {
				echo "No"; 
			} 
			?>
		</td>
		<td width="80px">
			<? 
			if($members['admin'] == '1') {
				echo "Yes";
			} 
			
			else {
				echo "No";
			}
			?>
		</td>
		<td width="100px">
		
		<? if ($members['member'] == '1') {
		?> <img src="style/img/tikok.jpg"> <?
		} else { ?>
		<input type="checkbox" name="promote[]" value="1">
		<? } ?>
		</td>
		<td width="100px">
		<? if ($members['member'] == '1') {
		?> <input type="checkbox" name="demote[]" value="0"> <?
		} else { ?>
		<img src="style/img/redx.jpg">
		<? } ?>
		</td>
		<td>
		<? if ($members['admin'] == '1') {
		?> <img src="style/img/redx.jpg"> <? 
		} else { ?>
		<input type="checkbox" name="delete[]" value="1"> 
		<? } ?>
		</td>
	</tr>
	<? } ?>
</table>
<input type="submit" value="submit changes" name="confirm">
</form>

<?
if(isset($_POST['confirm']));

$memid = $members['id'];

foreach($_POST['promote'] as $pro){
	mysql_query("UPDATE members SET member='$pro' WHERE id='$memid'") or die(mysql_error());
}
foreach($_POST['demote'] as $dem){
	mysql_query("UPDATE members set member='$dem' WHERE id='$memid'") or die (mysql_error());
}
foreach($_POST['delete'] as $del){
	mysql_query("UPDATE members set deleted='$del' WHERE id='$memid'") or die (mysql_error());
}


?>
</div>