Question : Multiple <html> Tags in Page?

Hello, I use a shopping cart that does not let me edit the original <html> tags or the <head> area at all.
I'm trying to use the Facebook Connect features (Like button, etc) on my site but to be compatible with Internet Explorer you have to include the following in the <html> tag:
1:
<html xmlns:fb="http://www.facebook.com/2008/fbml">


Because I am not able to change that, I have added the following code to add that line only if the browser is IE. This means there would then be two <html> tags on the page.
1:
2:
3:
4:
<script> 
if (navigator.appName=="Microsoft Internet Explorer")
document.write('<html xmlns:fb="http://www.facebook.com/2008/fbml">')
</script> 


Is this the best way to handle this situation? Will this hurt me at all in SEO to have two <html> tags?
My site is at http://www.lowpriceskates.com
Thanks!!

Here is where I found the info on having to add to the <html> tag:
http://digitizor.com/2010/07/06/fix-facebook-connect-xfbml-not-showing-ie/

Answer : Multiple <html> Tags in Page?

Sorry the last field should, of course, be:

{ = {page} - 1}
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