http://blogs.msdn.com/feldman/archive/2007/11/18/sharepoint-doctype-and-master-pages.aspxSharePoint by default does not support taking IE out of quirks mode. This is discussed in a great blog entry by Heather Solomon . Not enforcing a dtd through the DOCTYPE element in the default.master (for example DOCTYPE HTML PUBLIC "-//W3C//DTD HTMLen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/feldman/archive/2007/11/18/sharepoint-doctype-and-master-pages.aspx#8335812Tue, 25 Mar 2008 16:41:19 GMT91d46819-8472-40ad-a661-2c78acb4018c:8335812Emil Stenström<p>Hi Shawn, I just wanted to really thank you for posting your findings about this. I&#228;ll try them right away. THANKS!</p> http://blogs.msdn.com/feldman/archive/2007/11/18/sharepoint-doctype-and-master-pages.aspx#8335840Tue, 25 Mar 2008 16:55:26 GMT91d46819-8472-40ad-a661-2c78acb4018c:8335840Emil Stenström<p>Yes, now I can move webparts again. Wonderful, you just saved me a week of debugging.</p> http://blogs.msdn.com/feldman/archive/2007/11/18/sharepoint-doctype-and-master-pages.aspx#9142915Wed, 26 Nov 2008 02:06:37 GMT91d46819-8472-40ad-a661-2c78acb4018c:9142915emailandthings<p>dont you just love sharepoint? </p> <p>[ oh wait 2010 will be better... &nbsp;]</p>