I remain fanatically convinced this is going to work. I don't Know, but I do Believe. I'm uploading a snapshot to http://www.chaos.org/~eddy/craft/tot.html and links threfrom. I shalln't claim it's ready to be read, but you are welcome to the opportunity to work out for yourselves whether I've finally gone off my trolley. At least I haven't died unexpectedly ;^> Eddy.