Object getProperty(String property, int index) {
		if (property == "moNumber")
			return new Integer(qm_moNumber);
		if (currentMesh == null)
			return "no current isosurface";
		if (property == "jvxlFileData")
			return jvxlGetFile(currentMesh, "", true, index);
		if (property == "jvxlSurfaceData")
			return jvxlGetFile(currentMesh, "", false, 1);
		return super.getProperty(property, index);
	}