Website throws IE9 into Compability mode

this link works great with chrome and firefox 4 http://cluster005.ovh.net/~bquadint/drmonod/

Howeve开发者_如何学JAVAr, if i view it with IE9, it throws it into IE9 Compat View / Document mode: IE7 Standards

Any ideas why?

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Often that can happen when there is a problem with your doctype .. like if it were missing. That's the first place I'd look. It would be difficult to troubleshoot further without code to sift through.