The gallery works fine for me so I would have to guess the problem is on your end.
Being pretty much a computer dummy, I have no idea what the problem might be.
I quite often see a suggestion to "clear your cookies", but I have no idea if that helps or not. Seems like it would be easy enough to try, though.
It seems to be working now. Sorry for the false alarm!
Maybe the Zaino on your mouse buttons is preventing you from making a full click because your finger slips off the button. Or maybe it's the NXT 2.0 Tech Wax.