public void load(String filename) throws IOException, ClassNotFoundException
	{	
		FileInputStream fis = null;
		ObjectInputStream in = null;
		try
		{			
			fis = new FileInputStream(filename);
			in = new ObjectInputStream(fis);
			Object read = in.readObject();
			if(read instanceof EditorControl)
			{
				control.getLevels().clear();
				
				control.getLevels().putAll( ((EditorControl) read).getLevels() );
			}
		}
		catch (IOException ex)
		{
			ex.printStackTrace();
			throw ex;
		}
		finally
		{
			in.close();
		}
	}