hi chris!
first of all, the page you mention (onlinetools.org) doesn't validate as XHTML 1.0 or HTML 4 (at least today it doesn't).
about your layouting problem in mozilla:
mozilla choses the so-called 'quirks mode' for layouting your page when it encounters the first DOCTYPE you mention...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.