protected static boolean isOurCanvas(String name) {
		return name.equals("draw.Canvas") || name.equals("idraw.Canvas")
				|| name.equals("adraw.Canvas") || name.equals("funworld.Canvas")
				|| name.equals("impworld.Canvas") || name.equals("appletworld.Canvas")
				|| name.equals("javalib.worldcanvas.WorldCanvas")
        || name.equals("javalib.worldcanvas.AppletCanvas")
				|| name.equals("impsoundworld.Canvas")
        || name.equals("appletsoundworld.Canvas");
	}