enu="return false;">

  <div id="touchpad-info"></div>
  <div id="touchpad-container"></div>

  <script>

    $(document).ready(function() {

      var refresh
      var displacement  = document.getElementById('touchpad-info');
      var joystick = new VirtualJoystick({ container: document.getElementById('touchpad-container'), mouseSupport: true, })

      displacement.innerHTML  = ' dx: ' + (-1 * Math.round(joystick.deltaY() / 2)) + 'mm; dy: ' + (-1 * Math.round(joystick.deltaX() / 2)) + 'mm;' 

      // K