splitPane = null;
	public void unsplit()	{		if(splitPane != null)		{			EditPane[] editPanes = getEditPanes();			for(int i = 0; i < editPanes.length; i++)			{				EditPane _editPane = editPanes[i];				if(editPane != _editPane)					_editPane.close();			}			JComponent parent = (JComponent)splitPane.getParent();			parent.remove(splitPane);			splitPane = null;			parent.add(editPane);			parent.revalidate();			updateTitle();		}		SwingUtilities.invokeLater(new Runnable()		{			public void run()			{				editPane.focusOnTextArea();			}		});	}