I used to be able to read a Post on say the Restaurant Boards and then go back to the Board and the one I just read would be highlighted in a reddish color so I know I read it. Now when I switch back and forth it is not highligted. How do I turn on this feature? Is it available? Pleas help because I LOVED this feature. It helped me keep track of what I read. It even worked after I shut down and restarted. Anybody??????