diff --git a/admin/print_html.php b/admin/print_html.php
index a3f51d0..49ce9fd 100644
--- a/admin/print_html.php
+++ b/admin/print_html.php
@@ -15,23 +15,7 @@
     include("../config.php");
     $sqlDistrict = ($boolSuperAdmin) ? "1" : "l.district='$strDistrict'";
 
-/*
-    $arrTopic = array (
-        1 => "Fußverkehr",
-        2 => "Radverkehr",
-        3 => "Bus und Bahn",
-        4 => "Pkw-Verkehr",
-        5 => "Lkw-Verkehr"
-    );
-  
-    $arrIcon = array (
-        1 => "<i class='fa fa-male'></i>",
-        2 => "<i class='fa fa-bicycle'></i>",
-        3 => "<i class='fa fa-train'></i>",
-        4 => "<i class='fa fa-car'></i>",
-        5 => "<i class='fa fa-truck'></i>"
-    );
-*/
+
 ?>
 <!DOCTYPE html>
 <html lang="de">
@@ -55,12 +39,11 @@
 <body>
 
 
-
-
 <div class="container-fluid">
 <table class="table table-bordered table-striped">
     <thead>
-        <tr><th>id</th><th>Username</th>
+        <tr><th>id</th>
+        <th>Username</th>
         <?= ($boolUserinfo) ? "<th>Alter</th><th>Transport</th>" : ""; ?>
         <th>Topic</th>
         <th>Beschreibung</th>
@@ -122,7 +105,6 @@
             $strScript.="var mymap_".$id." = L.map(map_".$id.").setView([".$row['lat'].", ".$row['lng']."], 16);\n";
             $strScript.="L.tileLayer(url, {maxZoom: 18,minZoom:12,attribution: attribution,id: 'mapbox/streets-v11',tileSize: 512,zoomOffset: -1}).addTo(mymap_".$id.")\n";
             $strScript.="L.marker([".$row['lat'].", ".$row['lng']."], { icon: infoMarker } ).addTo(mymap_".$id.")\n\n";
-
         }
     ?>
 </tbody>
@@ -130,10 +112,9 @@
 <a class="btn btn-primary" href="../index.php?ref=1">zurück</a>   
 </div>
 </body>
+
 <script>
 $( document ).ready(function() {
-
-
     var url = 'https://api.mapbox.com/styles/v1/{id}/tiles/{z}/{x}/{y}?access_token=<?=$mapbox_key?>';
     var attribution = 'Map data &copy; <a href="https://www.openstreetmap.org/">OpenStreetMap</a> contributors, ' +
                     '<a href="https://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, ' +
diff --git a/config.php b/config.php
index ec7565c..33b8d15 100644
--- a/config.php
+++ b/config.php
@@ -73,7 +73,7 @@ $result->bindParam(":district",$strDistrict);
 $result->execute(); 
 if ($row=$result->fetch(PDO::FETCH_NUM)) {
     if ($row[0]==0) {
-        $strDistrict="";  //default setzten
+        $strDistrict="unkown";  //default setzten
         $strDistrictTitle="Unbekannt";
     }
 }
diff --git a/datenschutz.php b/datenschutz.php
index 7e7175e..d032498 100644
--- a/datenschutz.php
+++ b/datenschutz.php
@@ -1,15 +1,9 @@
 <?php 
-    session_start();
-    if (isset($_SESSION['district'])) 
-    {
-        $strDistrict=$_SESSION['district'];
-    }
-    else {
-        header("Location: start.php");
-    }
-    echo $strDistrict;
+    session_start(); 
+    if (!isset($_SESSION['district'])) { header("Location: start.php");}
+    $strDistrict=$_SESSION['district'];
     require("config.php");
-   
+    if ($strDistict=="unkown")  { header("Location: start.php");}
 ?>
 <!DOCTYPE html>
 <html lang="de">
diff --git a/impressum.php b/impressum.php
index c71a956..497771c 100644
--- a/impressum.php
+++ b/impressum.php
@@ -1,13 +1,9 @@
 <?php 
     session_start(); 
-    if (isset($_SESSION['district'])) 
-    {
-        $strDistrict=$_SESSION['district'];
-    }
-    else {
-        header("Location: start.php");
-    }
+    if (!isset($_SESSION['district'])) { header("Location: start.php");}
+    $strDistrict=$_SESSION['district'];
     require("config.php");
+    if ($strDistict=="unkown")  { header("Location: start.php");}
 ?>
 <!DOCTYPE html>
 <html lang="de">
diff --git a/liste.php b/liste.php
index f60284c..a3abe10 100644
--- a/liste.php
+++ b/liste.php
@@ -8,19 +8,12 @@
  * Datum: 18.05.2021
  ******************************** */
 
-    session_start();
-    if (isset($_GET['d'])) {
-        $strDistrict=$_GET['d'];
-        $_SESSION['district'] = $strDistrict;
-    } else if (isset($_SESSION['district'])) 
-    {
-        $strDistrict=$_SESSION['district'];
-    }
-    else {
-        header("Location: start.php");
-    }
-    echo $strDistrict;
-    require("config.php");
+ session_start(); 
+ if (!isset($_SESSION['district'])) { header("Location: start.php");}
+ $strDistrict=$_SESSION['district'];
+ require("config.php");
+ if ($strDistict=="unkown")  { header("Location: start.php");}
+?>
 ?>
 <!DOCTYPE html>
 <html lang="de">
