he average
      ping time between the nodes. Click on one or several nodes to
      show only their neighbours and double click to deselect. A
      dashed link means that a node has been chosen as a neighbour
      node.<br>
      <div id="toolbar">
        <button onclick="getNetworkTopology()">Refresh</button>
      </div>
    </div> 
    <script src="neighbours.js"></script>
  </body>
</html>
