tabs.addCloseableTabbedPaneListener(new ViewCloseListener(this, (Component) c));
	private Container makePane(Set windowList) {		Iterator j;		if(windowList.size() == 1) {			j = windowList.iterator();			return (Container) j.next();		} else if (windowList.size() > 1) {			Container tabs = new JTabbedPane();			j = windowList.iterator();			while(j.hasNext()) {				Container c = (Container) j.next();				String title = (String) _containerNames.get(c);				tabs.add(title, c);			}			return tabs;		}		return null;	}