public void addNode(com.afunms.discovery.Host host) {
    String img = null;
    if (host.getCategory() == 4) img = NodeHelper.getServerTopoImage(host.getSysOid());
    else img = NodeHelper.getTopoImage(host.getCategory());

    // addNode(String.valueOf(host.getId()),host.getCategory(),img,host.getIpAddress(),host.getAlias(),"30","30");
  }