Hint: For improved responsiveness, use Internet Explorer
4 (or above) with Javascript enabled, choose 'Dynamic' from
the View dropdown and hit 'Set Options' to save your changes.
may be the problem is your doctype use this <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> and remove the xmlns="http://www.w3.org/1999/xhtml"