I usually find that if I follow the instructions to the letter it works, if I don't then it obviously doesn't. I looked at the link you gave and it does seem more complicated than it should be, or maybe it's the tears in my eyes from not taking an anti-histamine yet!
So, where is your Java runtime? Is it under /opt? When you look in /usr/lib/mozilla/plugins is there a softlink to the Java plugin?
I have no /var/log/audit directory either so it seems to be nothing to fret over.
I usually use Stanton Finley's excellent guide to installing Java and all the extra goodies but he moved to Ubuntu so there isn't one for FC6, not officially anyway: