Livemocha stops supporting Safari

I haven't logged into Livemocha for a few weeks. When I did so today using Safari, I was greeted with this (click on the image to see a bigger version):


So I've got to use either Internet Explorer or Firefox. Despite Safari working fine up until now, it looks like something won't be working quite right if I continue using it.

Argh. I hope this is another of what I would like to believe are temporary growing pains. Let's hope they start growing out of their growing pains, rather than introducing new ones like this.