gistfile1.rb

  def init_nav
    # form: { :section => [ [ :pageA, :pageB ], :option1, :option2 ] }
    @nav = [
      { :company    => [ [ :who_we_are, :clients, :careers ] ] },
      { :approach   => [ [ :methodology, :technologies ], :testimonials ] },
      { :solutions  => [ [ :business_solutions, :product_development, :managed_hosting ], :testimonials ] },
      { :labs       => [ [ :projects, :open_source ] ] },  
      { :contact    => [ [ :contact_us ] ] }
    ]
    
    @site_page = action_name.to_sym
    
    @nav.each do |category|
      if (category.values.first.first.include?(@site_page) || category.keys.first == @site_page)
  		  @nav_category   = category
  		  @nav_site_pages = @nav_category.values.first.first
  		  @nav_options    = @nav_category.values.first[1..-1]
  		end
  	end
end