fix datatables

statistics/gemeinden.php

@@ -6,11 +6,11 @@
         <meta name="viewport" content="width=device-width, initial-scale=1">
         <title>Fahrrad-Unfallstatistik NRW</title>
         <link rel="stylesheet" href="../css/bootstrap.min.css"/>
-        <link rel="stylesheet" href="//cdn.datatables.net/1.13.6/css/jquery.dataTables.min.css">
+        <link rel="stylesheet" href="../css/dataTables.min.css">
 
         <script src="../js/jquery.min.js"></script>
         <script src="../js/bootstrap.min.js"></script>
-        <script src="//cdn.datatables.net/1.13.6/js/jquery.dataTables.min.js"></script>
+        <script src="../js/dataTables.min.js"></script>
         <style>
             .rechts {text-align:right;background-color:#eee;}
             .l {border-left: 1px solid black; }
@@ -116,7 +116,10 @@ while ($row = $result->fetch(PDO::FETCH_ASSOC)) {
 </body>
 <script>
     let table = new DataTable('#unfallzahlen',{
-           pageLength : 10
+           pageLength : 10,
+           language: {
+            url: '../js/de-DE.json'
+        }
         });
 </script>
 </html>