menu1:  http://www.chez.com/sfp/langages/xmlxsl/menu/ref.htm
menu2:  http://www.es.gnome.org/cgi-bin/cvsweb/web-xml/www.es.gnome.org/menu.xml?rev=1.7&content-type=text/x-cvsweb-markup&cvsroot=GNOME
menu3:  http://www.microsoft.com/office/menu.xml
unchecked:  http://www.uni-stuttgart.de/templates/xml/?N=D
unchecked:  http://www.javaworld.com/javaworld/jw-03-2000/jw-03-xmlsax-3.html
menu4:  http://www.opennms.org/cgi-bin/cvsweb.cgi/hydra/web/xml/nav.xml?rev=1.1.1.1&content-type=text/vnd.viewcvs-markup
menu5: http://hersh.weblogs.com/stories/storyReader$26 (includes dtd)
menu6: http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/opensymphony/website/web/navigation.xml?rev=1.1.1.1&content-type=text/vnd.viewcvs-markup

Sun notes:  

http://www.sun.com/smrc/web/navigation/template.html

need to have groups of content type

http://www.sun.com/smrc/web/navigation/sidenav.html

has the html for the left markup
 
Notes:  actions associated with the menus?