# File lib/action_view/helpers/form_tag_helper.rb, line 158
      def submit_tag(value = "Save changes", options = {})
        options.stringify_keys!
        
        if disable_with = options.delete("disable_with")
          options["onclick"] = "this.disabled=true;this.value='#{disable_with}';this.form.submit();#{options["onclick"]}"
        end
          
        tag :input, { "type" => "submit", "name" => "commit", "value" => value }.update(options.stringify_keys)
      end