UserNotifier un = ImViewerAgent.getRegistry().getUserNotifier(); un.notifyInfo("Invalid pixels intensity interval", "["+model.getWindowStart()+","+endField.getText()+"]");
    public void focusLost(FocusEvent fe)    {      if (fe.getSource() == startField)    		if (startFieldValid()) startSelectionHandler();    		else    		{          			UserNotifier un = ImViewerAgent.getRegistry().getUserNotifier();    			un.notifyInfo("Invalid pixels intensity interval",                     "["+startField.getText()+","+model.getWindowEnd()+"]");    			startField.setText(model.getWindowStart()+"");    		}    	if (fe.getSource() == endField)    		if (endFieldValid()) endSelectionHandler();    		else    		{    			UserNotifier un = ImViewerAgent.getRegistry().getUserNotifier();    			un.notifyInfo("Invalid pixels intensity interval",                 "["+model.getWindowStart()+","+endField.getText()+"]");    			endField.setText(model.getWindowEnd()+"");    		}    	    }