I've been following this yell.com thing, and couldn't quite understand because I've never seen it.
Now I get it - it's on the home page where I never go. My bookmark goes directly to the Forums page (sorry Captain !), which then opens in the full screen not a frame.
http://www.pprune.org/cgibin/Ultimate.cgi
And it's JavaScript that needs to be turned off, not Java. A dogfish is not a dog and JavaScript is not Java.