Thank you. Your suggestions - with some advice from a neightbour - have helped me out and I am OK again. But it does remind me that I should take these technical matters more seriously. Delay in reply due to need to get through Christmas and a big birthday before getting down to it again.
Charles
<p>Thank you. Your suggestions - with some advice from a neightbour - have helped me out and I am OK again. But it does remind me that I should take these technical matters more seriously. Delay in reply due to need to get through Christmas and a big birthday before getting down to it again.</p><p>Charles</p>