Site is messed up in IE 9.0

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Hello,

I have moved my local site to my host.
The building and testing fase, i used firefox.

But if i look at my page wit IE 9.0 the whole site is moved to the leftside, it looks like he don't read the .css file at all.

In firefox the site is good
in Safari the site is good
in IE 9.0 the site is messed up

What am i doing wrong.

 
Redzor replied on at Permalink Reply
I was forgotten to put a link in my message.

the website is http://www.okforyou.nl
ConcreteOwl replied on at Permalink Reply
ConcreteOwl
You have some script running before the !doctype declaration which is causing IE to run in quirks mode,