mainTabbedPane.add("Browser FX", new MiniBrowserFX( frameForMDI, mainTabbedPane, global, 0));
               mainTabbedPane.setSelectedIndex(mainTabbedPane.getTabCount()-1);

Platform.runLater(new Runnable() {
            @Override
            public void run() {
                initFX(panel);
            }
        });

private static void initFX(final JFXPanel fxPanel) {
        Group group = new Group();
        Scene scene = new Scene(group);
        fxPanel.setScene(scene);

        WebView webView = new WebView();

        group.getChildren().add(webView);
        webView.setMinSize(300, 300);
        webView.setMaxSize(300, 300);

            // Obtain the webEngine to navigate
        WebEngine webEngine = webView.getEngine();
        webEngine.load("http://www.google.com/");
    }

private void show2() 
    {
        final JFXPanel panel = new JFXPanel();
        
        panelTable.add(panel);

        Platform.runLater(new Runnable() {
            @Override
            public void run() {
               Group group = new Group();
               Scene scene = new Scene(group);
               fxPanel.setScene(scene);

               WebView webView = new WebView();

               group.getChildren().add(webView);
               webView.setMinSize(300, 300);
               webView.setMaxSize(300, 300);

            // Obtain the webEngine to navigate
               WebEngine webEngine = webView.getEngine();
               webEngine.load("http://www.google.com/");.
            }
        });
    }