gistfile1.rb

  def page_name_defined?( ad_position, options )
    return false if !options.include?( "admin_page_name" )
    apn = options.fetch( "admin_page_name" )
    if options.include?("brand")
      bnd = options.fetch("brand")
      begin
        return $ad_placements["BRANDS"].fetch(bnd).include?(apn)
      rescue
        return false
      end
    else
      return $ad_placements.include?(apn)
    end
  end