no action ved login med IE

der sker intet ved login med IE 7.x kun i firefox, nogen der vil kikke på login script ??

<?

/**
* Checks whether or not the given username is in the
* database, if so it checks if the given password is
* the same password in the database for that user.
* If the user doesn't exist or if the passwords don't
* match up, it returns an error code (1 or 2).
* On success it returns 0.
*/
function confirmUser($username, $password){
  global $conn;
  /* Add slashes if necessary (for query) */
  if(!get_magic_quotes_gpc()) {
    $username = addslashes($username);
  }

  /* Verify that user is in database */
  $q = "select password from user where username = '$username'";
  $result = mysql_query($q,$conn);
  if(!$result || (mysql_numrows($result) < 1)){
      return 1; //Indicates username failure
  }

  /* Retrieve password from result, strip slashes */
  $dbarray = mysql_fetch_array($result);
  $dbarray['password']  = stripslashes($dbarray['password']);
  $password = stripslashes($password);

  /* Validate that password is correct */
  if($password == $dbarray['password']){
      return 0; //Success! Username and password confirmed
  }
  else{
      return 2; //Indicates password failure
  }
}

/**
* checkLogin - Checks if the user has already previously
* logged in, and a session with the user has already been
* established. Also checks to see if user has been remembered.
* If so, the database is queried to make sure of the user's
* authenticity. Returns true if the user has logged in.
*/
function checkLogin(){
  /* Check if user has been remembered */
  if(isset($_COOKIE['cookname']) && isset($_COOKIE['cookpass'])){
      $_SESSION['username'] = $_COOKIE['cookname'];
      $_SESSION['password'] = $_COOKIE['cookpass'];
  }

  /* Username and password have been set */
  if(isset($_SESSION['username']) && isset($_SESSION['password'])){
      /* Confirm that username and password are valid */
      if(confirmUser($_SESSION['username'], $_SESSION['password']) != 0){
        /* Variables are incorrect, user not logged in */
        unset($_SESSION['username']);
        unset($_SESSION['password']);
        return false;
      }
      return true;
  }
  /* User not logged in */
  else{
      return false;
  }
}

/**
* Determines whether or not to display the login
* form or to show the user that he is logged in
* based on if the session variables are set.
*/
function displayLogin(){
  global $logged_in;
  if($logged_in){
      //echo "<h1>Logged In!</h1>";
      echo "Welcome <b>$_SESSION[username]</b>. <a href=\"../../logout.php\">Logout</a>";
  }
  else{
?>


<form action="" method="post">

<p>Username:</p><p><input type="text" name="user" size="15" maxlength="15"></p>
<p>Password:</p><p><input type="password" name="pass" size="15" maxlength="15"></p><bR>
<p align="left"><input type="checkbox" name="remember">
<font size="2">Remember me.</p>
<p><input type="submit" name="sublogin" value="Login"></p>
<p><a href="register.php">Register</a></p>
</form>
<?
  }
}


/**
* Checks to see if the user has submitted his
* username and password through the login form,
* if so, checks authenticity in database and
* creates session.
*/
if(isset($_POST['sublogin'])){
  /* Check that all fields were typed in */
  if(!$_POST['user'] || !$_POST['pass']){
      die('You didn\'t fill in a required field.');
  }
  /* Spruce up username, check length */
  $_POST['user'] = trim($_POST['user']);
  if(strlen($_POST['user']) > 30){
      die("Sorry, the username is longer than 30 characters, please shorten it.");
  }

  /* Checks that username is in database and password is correct */
  $md5pass = md5($_POST['pass']);
  $result = confirmUser($_POST['user'], $md5pass);

  /* Check error codes */
  if($result == 1){
      die('That username doesn\'t exist in our database.');
  }
  else if($result == 2){
      die('Incorrect password, please try again.');
  }

  /* Username and password correct, register session variables */
  $_POST['user'] = stripslashes($_POST['user']);
  $_SESSION['username'] = $_POST['user'];
  $_SESSION['password'] = $md5pass;

  /**
    * This is the cool part: the user has requested that we remember that
    * he's logged in, so we set two cookies. One to hold his username,
    * and one to hold his md5 encrypted password. We set them both to
    * expire in 100 days. Now, next time he comes to our site, we will
    * log him in automatically.
    */
  if(isset($_POST['remember'])){
      setcookie("cookname", $_SESSION['username'], time()+60*60*24*100, "/");
      setcookie("cookpass", $_SESSION['password'], time()+60*60*24*100, "/");
  }

  /* Quick self-redirect to avoid resending data on refresh */
  echo "<meta http-equiv=\"Refresh\" content=\"0;url=$HTTP_SERVER_VARS[PHP_SELF]\">";
  return;
}

/* Sets the value of the logged_in variable, which can be used in your code */
$logged_in = checkLogin();

?>