.';
      network.focus(nodeId, options);
    }



    function startShow() {
      updateValues();
      if (showInterval !== false) {
        showInterval = false;
        showButton.value = 'Start a show!';
        network.fit();
      }
      else {
        showButton.value = 'Stop the show!';
        focusRandom();
        setTimeout(doTheShow, duration);
        showInterval = true;
      }
    }

    function doTheShow() {
      updateValues();
      if (showInterval == true) {
        if (showPhase 