Dhtml is just the marriage between javascript and css. As long as the pages are coded correctly kmeleon will handle them perfectly. You have probably browsed in on a page that is coded for IE and NS4 and not for Gecko. The document object model of IE, NS4 and Gecko are not exactly the same and the pages has to be coded right to work whith all of these.
Here ara a dhtml site coded for IE, NS4 and Gecko browsers:
http://w1.970.telia.com/~u97007522/