public static JEditTextArea getTextArea(EventObject evt)
	{
		if(evt != null)
		{
			Object o = evt.getSource();
			if(o instanceof Component)
			{
				// find the parent text area
				Component c = (Component)o;
				for(;;)
				{
					if(c instanceof JEditTextArea)
						return (JEditTextArea)c;
					else if(c == null)
						break;
					if(c instanceof JPopupMenu)
						c = ((JPopupMenu)c)
							.getInvoker();
					else
						c = c.getParent();
				}
			}
		}

		// this shouldn't happen
		System.err.println("BUG: getTextArea() returning null");
		System.err.println("Report this to Slava Pestov <sp@gjt.org>");
		return null;
	}