[opgelost]Probleem met sessies!

<?
session_start();
ob_start();
$user = "test";
$pass = "test"; 

if (@$_GET['action'] == "submit" ){
	if(@$_POST['naam'] == $user && @$_POST['wachtwoord'] == $pass ){
		$_SESSION['gebruiker'] = "admin";
		Echo "U bent ingelogt ".@$_POST['naam']." ";
	}
	else{
		Echo "Inloggen mislukt!";
	}
}
if (@$_SESSION['gebruiker'] == "admin"){
	header("location: admin.php");
}
else {
?>
  <form method="post" action="index.php?action=submit"> 
  Username:   <input type="text" name="naam"><br>
  Wachtwoord: <input type="password" name="wachtwoord">
  <input type="submit" name="submit" /><input type="reset" name"reset" />
  </form>

<?
}
?>

<?
session_start();
ob_start();
$user = "test";
$pass = "test"; 
 
if (@$_GET['action'] == "submit" ){
	if(@$_POST['naam'] == $user && @$_POST['wachtwoord'] == $pass ){
		$_SESSION['gebruiker'] = "admin";
		Echo "U bent ingelogt ".@$_POST['naam']." ";
	}
	else{
		Echo "Inloggen mislukt!";
	}
}
if (@$_SESSION['gebruiker'] == "admin"){
	header("location: admin.php");
}
else {
?>
  <form method="post" action="index.php?action=submit"> 
  Username:   <input type="text" name="naam"><br>
  Wachtwoord: <input type="password" name="wachtwoord">
  <input type="submit" name="submit" /><input type="reset" name"reset" />
  </form>
 
<?
}
?>

<?
if (@$_SESSION['gebruiker'] == "admin"){
	echo "Je bent ingelogt";
}

else {
	echo "Je hebt geen rechten hier";
}
?>

<?
if (@$_SESSION['gebruiker'] == "admin"){
	echo "Je bent ingelogt";
}
 
else {
	echo "Je hebt geen rechten hier";
}
?>