Scoutnet vzw

if (!isset($_SESSION)) {
  session_start();
}

$loginFormAction = $_SERVER['PHP_SELF'];
if (isset($_GET['accesscheck'])) {
  $_SESSION['PrevUrl'] = $_GET['accesscheck'];
}

if (isset($_POST['login'])) {
  $loginUsername=$_POST['login'];
  $password=$_POST['paswoord'];
  $MM_fldUserAuthorization = "";
  $MM_redirectLoginSuccess = "page.php?id=1";
  $MM_redirectLoginFailed = "page.php?id=0";
  $MM_redirecttoReferrer = true;
  mysql_select_db($database_scoutssite, $scoutssite);
 
  $LoginRS__query=sprintf("SELECT forumnaam, paswoord FROM leden WHERE forumnaam='%s' AND paswoord='%s'",
    get_magic_quotes_gpc() ? $loginUsername : addslashes($loginUsername), get_magic_quotes_gpc() ? $password : addslashes($password));
   
  $LoginRS = mysql_query($LoginRS__query, $scoutssite) or die(mysql_error());
  $loginFoundUser = mysql_num_rows($LoginRS);
  if ($loginFoundUser) {
     $loginStrGroup = "";
   
    //declare two session variables and assign them
    $_SESSION['MM_Username'] = $loginUsername;
    $_SESSION['MM_UserGroup'] = $loginStrGroup;        

    if (isset($_SESSION['PrevUrl']) && true) {
      $MM_redirectLoginSuccess = $_SESSION['PrevUrl'];   
    }
    header("Location: " . $MM_redirectLoginSuccess );
  }
  else {
    header("Location: ". $MM_redirectLoginFailed );
  }
}

<form>
<table>
<tr><td>Naam:</td><td><input></td></tr>
<tr><td>Paswoord:</td><td><input></td></tr>
<tr><td><input></td></tr>
</table>
</form>

if ($_SESSION['MM_Username'] == "") { $_SESSION['act'] = "login"; echo "<a>login</a>"; }
else { $_SESSION['act'] = "logout"; echo "logout <a>" . $_SESSION['MM_Username'] . "</a>"; }