code: public String getKeyValueEL(String strSection, String key) {
  	Map map = getSectionEL(strSection);
  	if (map == null) return null;
  	Object o = map.get(key.toLowerCase());
  	if (o == null) return null;
  	return (String) o;
  
      }
docs: Gets the KeyValue attribute of the IniFile object, if not exist return null
  
  @param strSection section to get
  @param key key to get
  @return matching alue