public String getcontent(String linestr) {
		String line = linestr.substring(0, 2);
		switch (line) {
		case "#*":
			return "title";
		case "#@":
			return "authors";
		case "#t":
			return "year";
		case "#c":
			return "publication";
		case "#i":
			return "index";
		case "#%":
			return "citation";
		case "#!":
			return "abstract";
		default:
			return "";
		}
	}