[bloodhound31]

Originally Posted by Suzy

Baz, thank you so much- you've explained all that really well. From the help that you and Ron have given, I understand now!
The picture was also a huge help- as soon as I saw it "I got it". In my brain I was trying so hard to picture it (as you'd gathered!).
I really am very grateful for the trouble that you went to. And btw I loved the picture!

Always a pleasure Suzy.