[php] Wijzigt gegevens in de database niet

<?php
	
	mysql_query("
	   
		INSERT INTO tbl_log VALUE ('','".$_SESSION['username']."',NOW(),'Menu volgorde aan het wijzigen')
	   
	");
	
	$submit = $_POST['submit'];
	
	$order = $_POST['order'];

	if($submit){
	
		if($order){
		
			mysql_query("
				
				UPDATE tbl_menu SET volgorde='".$order."' WHERE id='".$MenuInfo['id']."'
				
			") or die(mysql_error());
			
			mysql_query("
	   
				INSERT INTO tbl_log VALUE ('','".$_SESSION['username']."',NOW(),'Heeft de gegevens van ".$titel." gewijzigd')
	   
			");
			
			echo "<script> window.location='index.php?pagina=menu&msg=18' </script>";
		
		}
		else
			echo "<script> window.location='index.php?pagina=menu-wijzigen&err=4&id=".$id."' </script>";
			
	}

?>

<h1>Volgorde wijzigen</h1><br />

<form action ="index.php?pagina=menu-volgorde" method="POST">

	<table border="0" width="100%">
		
		<?php
			
			$MenuId = mysql_query("SELECT * FROM tbl_menu ORDER BY volgorde") or die(mysql_error());
				
			while($MenuInfo = mysql_fetch_assoc($MenuId)){
			
				echo "
					
				<tr>

					<td width='20%'><input type='text' name='order' value='".$MenuInfo['volgorde']."' style='width:100%;' /></td>
					<td width='80%'>".$MenuInfo['titel']."</td>
					
				</tr>
					
				";
				
			}
			
		?>
	
	</table>
	
	<table border="0" width="100%">
	
		<tr>
			
			<td></td>
			<td><input type="submit" name="submit" value="Wijzig" /></td>
		
		</tr>
	
	</table>

</form>