Index: openacs-4/packages/xowiki/tcl/menu-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/menu-procs.tcl,v
diff -u -N -r1.7.2.2 -r1.7.2.3
--- openacs-4/packages/xowiki/tcl/menu-procs.tcl	14 Apr 2014 21:33:10 -0000	1.7.2.2
+++ openacs-4/packages/xowiki/tcl/menu-procs.tcl	15 Apr 2014 06:47:00 -0000	1.7.2.3
@@ -334,7 +334,7 @@
   #        $mb add_menu_item -name Package.Startpage \
       #             -item [list text #xowiki.index# url $index_link]
   #
-  #   4) After all updates are performed, use "render-yui" to obtain
+  #   4) After all updates are performed, use "render-preferred" to obtain
   #      the HTML rendering of the menu.
   #
   # Follow the following nameing conventions:
@@ -510,6 +510,14 @@
     return $result
   }
 
+  ::xowiki::MenuBar instproc render-preferred {} {
+    switch [$context_package_id get_parameter "PreferredCSSToolkit" yui] {
+      bootstrap {set menuBarRenderer render-bootstrap}
+      default   {set menuBarRenderer render-yui}
+    }
+    my $menuBarRenderer
+  }
+
   ::xowiki::MenuBar instproc render-yui {} {
     set M [my content]
     set mb [::xowiki::YUIMenuBar -id [my get_prop $M id] -configuration {