I can't get on to the facebook page - incompatible...

Question

I get the following message when I try to go to facebook....
You are using an incompatible web browser.
Sorry, we're not cool enough to support your browser. Please keep it real with one of the following browsers:

Mozilla Firefox
Opera
Safari
Microsoft Internet Explorer
FlockButI am using firefox?I've also tried in IE and have got the same.any suggestions?ThanksKen