              <a data-toggle="tooltip" data-placement="top" title="Settings">
                <span class="glyphicon glyphicon-cog" aria-hidden="true"></span>
              </a>
              <a data-toggle="tooltip" data-placement="top" title="FullScreen" onclick="requestFullScreen();">
                <span class="glyphicon glyphicon-fullscreen" aria-hidden="true"></span>
              </a>
              <a data-toggle="tooltip" data-placement="top" title="Lock">
                <span class="glyphicon glyphicon-eye-close" aria-hidden="true"></span>
              </a>
              <a href="logout" data-toggle="tooltip" data-placement="top" title="Logout">
                <span class="glyphicon glyphicon-off" aria-hidden="true"></span>
              </a>
