Index: openacs-4/packages/xowiki/tcl/xowiki-www-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/xowiki-www-procs.tcl,v
diff -u -N -r1.320.2.12 -r1.320.2.13
--- openacs-4/packages/xowiki/tcl/xowiki-www-procs.tcl	13 Mar 2014 17:28:17 -0000	1.320.2.12
+++ openacs-4/packages/xowiki/tcl/xowiki-www-procs.tcl	14 Apr 2014 21:33:10 -0000	1.320.2.13
@@ -1315,7 +1315,11 @@
       #
       # At this place, the menu should be complete, we can render it
       #
-      append top_includelets \n "<div class='visual-clear'><!-- --></div>" [$mb render-yui]
+      switch [$context_package_id get_parameter "PreferedCSSToolkit" yui] {
+        bootstrap {set menuBarRenderer render-bootstrap}
+        default   {set menuBarRenderer render-yui}
+      }
+      append top_includelets \n "<div class='visual-clear'><!-- --></div>" [$mb $menuBarRenderer]
     }
 
     if {[$context_package_id get_parameter "with_user_tracking" 1]} {