public void removeLayeredComponent(Layered a) {
		super.removeLayeredComponent(a);
		ModelComponent c = a.getHost();
		if (c != null) {
			if (c instanceof RadialBond) {
				Molecule m = ((RadialBond) c).getMolecule();
				if (m != null)
					m.setVisible(true);
			}
			a.setHost(null);
		}
	}