--- a/fhiiqm/logout.php	Thu Sep 12 09:04:56 2013 +0200
+++ b/fhiiqm/logout.php	Fri Dec 20 15:19:32 2013 +0100
@@ -1,22 +1,31 @@
-<?php
-
-/**
- * @author Bettina Schwarzer, Fritz-Haber-Institut
- * @copyright 09/2011
- * 
- * Loeschen der Session
- */
-
-    session_start();
-    $_SESSION = array();
-/*    // session cookie loeschen, neuer leerer wird auf Server erstellt
-    if (ini_get("session.use_cookies")) {
-    $params = session_get_cookie_params();
-    setcookie(session_name(), '', time() - 42000, $params["path"],
-        $params["domain"], $params["secure"], $params["httponly"]
-    );
-    } */
-    session_destroy();
-    header("location: /fhiiqm/start.php");
-
+<?php
+
+/**
+ * @author Bettina Schwarzer, Fritz-Haber-Institut
+ * @copyright 09/2011
+ * 
+ * Loeschen der Session
+ */
+
+    session_start();
+/*    // session cookie loeschen, neuer leerer wird auf Server erstellt
+    if (ini_get("session.use_cookies")) {
+    $params = session_get_cookie_params();
+    setcookie(session_name(), '', time() - 42000, $params["path"],
+        $params["domain"], $params["secure"], $params["httponly"]
+    );
+    } */
+    if (isset($_SESSION['user']) && $_SESSION['user'])
+    {
+        unset($_SESSION['userid']);
+        unset($_SESSION['recht']);
+        unset($_SESSION["prodg"]);
+    }
+    else 
+    { 
+        $_SESSION = array();
+        session_destroy();
+    }
+    header("location: /fhiiqm/start.php");
+
 ?>
\ No newline at end of file