static String pickUpSingleServer(String listname) {
		String ret = "";
		if (null == servers) {
			buildServers();
		}
		if (null != servers) {
			Map<String, String> map = servers.get( listname );
			if (!Utility.isEmpty( map ) && !map.isEmpty()) {
				for (String key : map.keySet()) {
					ret = map.get( key );
					break;
				}
			}
		}
		return ret;
	}