An irritating problem has been bothering me for some time and I can't work out what's causing it. Quite often, as I type a post, the page changes without warning and, as often as not, I lose what I have typed. Perhaps I'm depressing more than one key at a time and accidentally hitting a magic combination that back-pages. I don't have the same problem on any other community forum so perhaps it something peculiar to the BYC software. I use a Mac. Advice would be welcome, please.