public void size(int _width, int _height)
	{
		if (ucigame.isApplet)
		{
			clientWidth = ucigame.getWidth();
			clientHeight = ucigame.getHeight();
		}
		else if (50 <= _width && _width <= 2000 &&
				 50 <= _height && _height <= 2000)
		{
			ucigame.gameCanvas.setPreferredSize(new Dimension(_width, _height));
			ucigame.gameCanvas.setMinimumSize(new Dimension(_width, _height));
			clientWidth = _width;
			clientHeight = _height;
		}
		else
			size(100, 100);  // bad parm values, use reasonable defaults
	}