change route of wiki's table of content

we need the id of the related wiki page when displaying
the table of content in order to highlight the menu item
and highlight the current position in the toc

config/routes.rb

@@ -44,6 +44,7 @@ ActionController::Routing::Routes.draw do |map|
   map.wiki_create    'projects/:project_id/wiki/new',     :controller => 'wiki', :action => 'create', :conditions => { :method => :post }
   map.wiki_preview   'projects/:project_id/wiki/preview', :controller => 'wiki', :action => 'preview', :conditions => { :method => :post }
   map.wiki_new_child 'projects/:project_id/wiki/:id/new', :controller => 'wiki', :action => 'new_child', :conditions => { :method => :get }
+  map.wiki_page_toc 'projects/:project_id/wiki/:id/toc', :controller => 'wiki', :action => 'index', :conditions => { :method => :get }
   map.connect 'projects/:id/wiki', :controller => 'wikis', :action => 'edit', :conditions => {:method => :post}
   map.connect 'projects/:id/wiki/destroy', :controller => 'wikis', :action => 'destroy', :conditions => {:method => :get}
   map.connect 'projects/:id/wiki/destroy', :controller => 'wikis', :action => 'destroy', :conditions => {:method => :post}

lib/redmine/menu_manager/menu_helper.rb

@@ -40,7 +40,7 @@ module Redmine::MenuManager::MenuHelper
           :parent => "#{main_item.title}".to_sym if main_item.new_wiki_page and
             WikiPage.find_by_wiki_id_and_title(project_wiki.id, main_item.title)
 
-        menu.push :table_of_contents, {:action => 'index', :controller => 'wiki'}, :param => :project_id, :caption => :label_table_of_contents, :parent => "#{main_item.title}".to_sym if main_item.index_page
+        menu.push :table_of_contents, {:action => 'index', :controller => 'wiki', :id => h(main_item.title)}, :param => :project_id, :caption => :label_table_of_contents, :parent => "#{main_item.title}".to_sym if main_item.index_page
 
         main_item.children.each do |child|
           menu.push "#{child.title}".to_sym,