Hi all, I had a similar problem where fadeIn() and fadeOut() was just not working for me but I found a solution.
This may not work for you but I got it to work by simply replacing my
fadeIn() and fadeOut() with these calls:
{your jQuery obj}.fadeTo("fast",0);
...blah blah
{your jQuery obj}.fadeTo("fast",1);
Everything worked fine for me then.
I hope this helps
Joel

