def area_for_roles(*user_roles, &block)
      options = last_option(user_roles)

      return area(&block) if user_roles.empty?
      
      not_for_roles(user_roles, &block) if user_roles.first == false
      
      for_roles user_roles do
        area(options, &block)
      end
    end
def area_for_roles(*user_roles, &block)
      options = last_option(user_roles)

      return area(&block) if user_roles.empty?
      
      not_for_roles(user_roles, &block) if user_roles.first == false
      
      for_roles user_roles do
        area(options, &block)
      end
    end
for users WITH the given roles create a div area
 with optional class given in options hash and render block
 within this div