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  1. #put in application_helper.rb :
  2.  
  3. def section_link(name,options)
  4.     if options[:action] == @current_action and options[:controller] == @current_controller
  5.        link_to(name, options, :class => 'on')
  6.     else
  7.       link_to(name,options)
  8.     end
  9. end
  10.  
  11. #initialize vars in controller
  12. before_filter :instantiate_controller_and_action_names
  13.  
  14. def instantiate_controller_and_action_names
  15.       @current_action = action_name
  16.       @current_controller = controller_name
  17. end 
  18.  
  19. #usage in view:
  20. <%=section_link('Home',:controller => 'articles', :action => 'index')%>

URL: http://snippets.dzone.com/posts/show/2016

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