def error_messages_for(*params)
        options = params.extract_options!.symbolize_keys
        if object = options.delete(:object)
          objects = [object].flatten
        else
          objects = params.collect {|object_name| instance_variable_get("@#{object_name}") }.compact
        end
        count   = objects.inject(0) {|sum, object| sum + object.errors.count }
        unless count.zero?
          html = {}
          [:id, :class].each do |key|
            if options.include?(key)
              value = options[key]
              html[key] = value unless value.blank?
            else
              html[key] = 'errorExplanation'
            end
          end
          options[:object_name] ||= params.first
          options[:header_message] = "#{pluralize(count, 'error')} prohibited this #{options[:object_name].to_s.gsub('_', ' ')} from being saved" unless options.include?(:header_message)
          options[:message] ||= 'There were problems with the following fields:' unless options.include?(:message)
          error_messages = objects.map {|object| object.errors.full_messages.map {|msg| content_tag(:li, msg) } }

          contents = ''
          contents << content_tag(options[:header_tag] || :h2, options[:header_message]) unless options[:header_message].blank?
          contents << content_tag(:p, options[:message]) unless options[:message].blank?
          contents << content_tag(:ul, error_messages)

          content_tag(:div, contents, html)
        else
          ''
        end
      end