def inline_error_block(object, method, prepend_text="", append_text="", css_class="form-error", &block)
    obj = (object.respond_to?(:errors) ? object : instance_variable_get("@#{object}"))
    errors = obj.errors.on(method.to_s) if obj
    inline_error_block_with_messages( errors, prepend_text, append_text, css_class, &block )
  end

  # if you have an array of error messages rather than a model use this.
  def inline_error_block_with_messages( errors, prepend_text="", append_text="", css_class="form-error", &block )
    content = capture(&block)
    if errors and errors.any?
      concat(content_tag("div",
        content_tag("p", "#{prepend_text}#{errors.is_a?(Array) ? errors.first : errors}#{append_text}", :class => "generated-error") + content,
        :class => css_class
      ), block.binding)
    else
      concat(content, block.binding)
    end
  end