<script type="text/javascript" charset="utf-8">
 
  $(document).on('ready pjax:scriptcomplete',function(){
 
    // Identify this question
    var q1ID = '{QID}';
    var q1 = $('#question'+q1ID);
 
    // Disable the "Next" button
    $('#ls-button-submit').prop('disabled', true);
 
    function getGPS() {
      if (navigator.geolocation) {  
        navigator.geolocation.getCurrentPosition(showGPS, gpsError);
      } else {  
        $('input.text', q1).val('No GPS Functionality');
        $('input:hidden[id^="answer"]', q1).val('No GPS Functionality');  
      }
    }
 
    function gpsError(error) {
      alert('GPS Error: '+error.code+', '+error.message);
    }
 
    function showGPS(position) {
      $('input.text', q1).val(position.coords.latitude+', '+position.coords.longitude);
      $('input:hidden[id^="answer"]', q1).val(position.coords.latitude+';'+position.coords.longitude);
 
      // Enable the "Next" button
      $('#ls-button-submit').prop('disabled', false);
    }
 
    getGPS();
 
  });
</script>