Thanx to both Nicolas and Orchid for a fast response. I'll give it a try
tomorrow at *ork and see if I can produce anything.
(Soon to be available from this address: a collection of coasters with
beautiful fresnel refractions on one side and the Maxell (tm) logo on
the other :-) )

John

-- 
I will be brief but not nearly so brief as Salvador Dali, who gave the
world's shortest speech. He said, "I will be so brief I am already
finished," then he sat down.

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