XmlResourceBase.getDocument

Returns Document object from the resource based on a given name

Further documentation.

Javascript example:

 // Create XML structure
 resources.LANGUAGES_XML.read();
 var languages = resources.LANGUAGES_XML.getDocument("languages");
 if(languages != null)
 {
      //append another language
      var languageXml = new XML(languages);
      var languages = languageXml.languages;
      var groovy = "Groovy";
      //add Groovy to list of languages
      languages.appendChild({@code }{groovy}{@code });
      resources.LANGUAGES_XML.write();
 }