code: public static String getLabel(Language lang,
  								  Class<?> sectionClass,
  								  String isInSection) {
  		return getLabel(lang, sectionClass.getName(),  isInSection);
  	}
docs: Returns the value for this label (setion,idInSection) for this lang
  @param lang
  @param sectionClass
  @param isInSection
  @return