Thanks again Mark. Finding the Shadow Pass in my long list in the dropdowns took me a while (right down in a special list at the bottom) but I would never have though to use where you suggested.

Lots of fun to be had with the Spokes now BUT can you explain what you mean by "radars" and "hypno-beams" please.?

Hypnobeams? My poor old brain boggles!

Brian 

bwtr