parent = top;
nodes[0] = top;
DefaultMutableTreeNode node = null;
ConnectorFactory connectorFactory = ConnectorFactory.getInstance(this.glob);
connectorFactory.getMBeanServer("127.0.0.1");
String[] servers = connectorFactory.getMBeanServerList();
if (servers == null) throw new Exception("could not connect to any host! ");
for (int i=0; i<servers.length; i++) {
BasicNode bNode = new BasicNode(null, servers[i]);
bNode.setExpandedIcon(loadIcon("node.gif"));