Category treePanels = new Category("TreePanel");
treePanels.add("Basic Tree", new BasicTreePanelExample(), g.basictree().getHTML());
treePanels.add("Context Menu Tree", new ContextMenuTreePanelExample(), g.contextmenutree().getHTML());
treePanels.add("Async Tree", new AsyncTreePanelExample(), g.asynctree().getHTML());
treePanels.add("Async Xml Tree", new AsyncXmlTreePanelExample(), g.asyncxmltreepanel().getHTML());
treePanels.add("Filter Tree", new FilterTreePanelExample(), g.filtertree().getHTML());
treePanels.add("Checkbox Tree", new CheckBoxTreePanelExample(), g.checkboxtree().getHTML());
treePanels.add("Fast Tree", new FastTreePanelExample(), g.fasttree().getHTML());
add(treePanels);
Category tabs = new Category("Tabs");