public void viewJCRBrowserPanel(){
if (jcrBrowserPanel!=null){
jcrBrowserPanel=componentTabbedPane.indexOfComponent(jcrBrowserPanel)==-1? null:jcrBrowserPanel;
}
if (jcrBrowserPanel==null) {
jcrBrowserPanel = new JCRBrowserPanel(engine);
this.componentTabbedPane.add(jcrBrowserPanel);
int index=this.componentTabbedPane.getTabCount()-1;
this.componentTabbedPane.setTitleAt(1, "JCR Registry Browser");
TabLabelButton tabLabelButton = new TabLabelButton(componentTabbedPane, "Close JCR Browser");
tabLabelButton.setCloseButtonListener(new ActionListener(){