/CubeLight.java/1.1/Sat Aug 18 19:26:31 2007//
/LightBulb.java/1.1/Sat Aug 18 19:26:31 2007//
/MercuryXenonLamp.java/1.1/Sat Aug 18 19:26:31 2007//
/PlanarLight.java/1.1/Sat Aug 18 19:26:31 2007//
D
