Possible values are:

basic_dd.css - basic_dd_ie.css (basic 2 level dropdown menu - http://www.cssplay.co.uk/menus/basic_dd.html)
dropdown.css - dropdown_ie.css (3 level dropdown menu - http://www.cssplay.co.uk/menus/dd_valid.html)
dropline.css - dropline_ie.css (3 level dropline menu - http://www.cssplay.co.uk/menus/dd_valid_2.html)
flyout.css - flyout_ie.css (3 level flyout menu - http://www.cssplay.co.uk/menus/flyoutt.html)
upmenu.css - upmenu_ie.css (3 level pull-up menu - http://www.cssplay.co.uk/menus/upmenu.html)

[!Wayfinder? &startId=`0` &level=`3` &parentClass=`hide` &parentRowTpl=`wfParentRow` &outerTpl=`wfOuter` &innerTpl=`wfInner` &rowTpl=`wfRow`]]