dashboard2: use location.reload() to keep page scroll position

use location.reload() to keep page scroll position on page refreshes, but keep using location.href method for POST requests to avoid browser asking to resubmit data on reloads

dashboard2/index.php

@@ -108,12 +108,19 @@ if ($CallingHome['Active']) {
         echo '
    <script>
 
-      function ReloadPage() {
+      function ReloadPage() {';
+        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+          echo '
          document.location.href = "./index.php';
-        if (isset($_GET['show'])) {
+          if (isset($_GET['show'])) {
             echo '?show=' . $_GET['show'];
+          }
+          echo '";';
+        } else {
+          echo '
+         document.location.reload();';
         }
-        echo '";
+        echo '
       }';
 
         if (!isset($_GET['show']) || (($_GET['show'] != 'liveircddb') && ($_GET['show'] != 'reflectors') && ($_GET['show'] != 'interlinks'))) {