Hashtable inHash = new Hashtable();
inHash.put("fragment", markup);
inHash.put("output", "json");
HttpHelper httpHelper = new HttpHelper();
String result = httpHelper.postToUrl(CmsPropertyHandler.getW3CValidationServiceUrl(), inHash, "utf-8");
logger.info("result:" + result);
this.getResponse().setContentType("text/json");
this.getResponse().getWriter().print(result);
}