function setCommentsTab(url) {
  $.ajax({
    type: "POST",
    url: url,
    success: function(response){
      $('div#tabs-3').html(response);
    }
  });
}

function setCommentsTabThenShowMap(url, lat, lng) {
  $.ajax({
    type: "POST",
    url: url,
    success: function(response){
      $('div#tabs-3').html(response);
      showMap(lat, lng);
    }
  });
}