MSDN firefox examples?

When I go to these examples using Firefox 3.6.3 and click the code 开发者_C百科examples it doesn't work: http://msdn.microsoft.com/en-us/library/1whwt1k7.aspx

I want confirmation that this is a Firefox compatibility problem, suspect my firewall.f

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I can't switch languages in Chrome 5. Haven't been able to for some time. It used to work, or I'd be stuck on the default language instead of F#.

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Can't switch languages in FF 3.6.3

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Works fine in Chrome.