Agrega archivos js y css a una página especifica del cms. El código debe ser agregado en CMS -> Pages -> Manage Content -> Design -> Custom Layout Update XML. Add js and css files in a specific cms page. The code must be add in CMS -> Pages -> Manage Content -> Design -> Custom Layout Update XML.

add_css_or_js_cms_page_magento.xml

<reference name="head">
	<action method="addItem">
	    <type>skin_js</type>
	    <name>js/das-una-mano.js</name>
	</action>
  <action method="addCss">
      <stylesheet>css/carrefour/cms/cms.css</stylesheet>
  </action>
</reference>