tree.expandPath(new TreePath(((DefaultMutableTreeNode) (tree.getModel()).getRoot()).getPath()));
tree.expandPath(new TreePath(tree.getModel().getRoot()));
	public void installUI(JComponent c)	{		super.installUI(c);		installDefaults((JTree) c);		tree = (JTree) c;		setModel(tree.getModel());      tree.setRootVisible(true);      tree.expandPath(new TreePath(((DefaultMutableTreeNode)             (tree.getModel()).getRoot()).getPath()));		treeSelectionModel = tree.getSelectionModel();		installListeners();		installKeyboardActions();		completeUIInstall();	}