I'm not having javascript problems, but here's the results of that link for me:
Browser ID: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0) HTTP/1.0 no gzip
I have http 1.1 enabled, so I am not sure how this is correct. Also, the pages do not seem compressed to me, the file sizes aren't any different than normal. Did you turn gzip compression off just now?
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