Here I am again, but this time to say a big Thank You to you all for your help.
Sorry I've been so long in answering but I have only just come back on line from yesterday. Thanks again - most helpful.
It's good when people acknowledge answers.
Is this the thread?
http://www.theanswerb.../Question1072754.html
In case you don't know, you can post an acknowledgement on your own thread just by replying to your own question. Hope this helps