Rayraz, Okay I understand about negative boolean in ordinary objects - made this and that with it. Now, what's this about lights and negativeness/ity? I can't find any small 'e' in the light lab, can you point out where it is? Fran
Measure
your mind's height
by the shade it casts.
Robert Browning (Paracelsus)
Fran's Freestuff
http://franontheedge.blogspot.com/
http://www.FranOnTheEdge.com