I found a little script form helg but i have a problem:
when i hit submit nothing hapens.. i get redirected to the previos page..
Can someone help me with this problem? Here's the code:

tnx

btw im sure my database is correct
Code:
<HTML>
<HEAD>
<TITLE>Update user</TITLE>
</HEAD>
<BODY>

<?
//include ("login.php");
include ("include/db.php");
$server = "$host"; 
$mysql_user = "$user"; 
$mysql_password = "$pass"; 
$database = "$db"; 

$userid = $_GET['userid']; // assuming you're sending the userid in the adress. Like: updateuser.php?id=23 


// Connecting to mysql 
$link = mysql_connect($server, $mysql_user, $mysql_password) 
    or die("Could not connect to mysql!<br />mysql error: " . mysql_error()); 

// Selecting databse 
mysql_select_db ($database, $link) 
    or die("Could not select db!<br />mysql error: " . mysql_error()); 

// The query. You need to change this to reflect your tablename and columnames. 
$sql = "SELECT userid, password, webspace, userlevel FROM user WHERE userid=$userid"; 

//Retrieving data from database 
$result = mysql_query($sql) 
    or die ("Invalid query!<br />mysql error: " . mysql_error()); 

if(empty($result)) 
{ 
    echo "Didn't find any user with that userid!"; 
} elseif(mysql_num_rows($result)>1) { 
    echo "Duplicate users with that userid!"; 
} else { 
    // Userlevels 
    $levels = array(1=>'Basic', 'Normal', 'Extra', 'Reseller', 'Admin'); 

    // Printing out the form 
    echo "<form method=\"post\" action=\"updateuser.php?userid=test\">\n"; 
    echo "<table>\n"; 

    // Fetching the result into an associative array   
    $row = mysql_fetch_array($result); 
    echo "<tr><td>username</td><td>$userid</td></tr>\n"; 
    echo "<tr><td>password</td><td><input type=\"text\" name=\"password\" value=\"" . $row['password'] . "\"></td></tr>\n"; 
    echo "<tr><td><select size=\"1\" name=\"D1\">\n"; 
    foreach ($levels as $key => $value) 
    { 
        if ($key == $row['userlevel']) { 
            echo "<option selected=\"selected\" value=\"$key\">$value</option>\n"; 
        } else { 
            echo "<option value=\"$key\">$value</option>\n"; 
        } 
    } 
    echo "</td></tr>\n"; 
    echo "<tr><td>\n<input type=\"submit\" name=\"update\" value=\"update\"></td></tr>\n\n"; 
    echo "</form>\n"; 
}


?>