public void addHighscore(final logic.Highscore score) {
		// "Naam", "Prijzengeld", "Tijd over"
		Element elHighscore = new Element("highscore");
		elHighscore.addAttribute(new Attribute("naam", score.getSpelerNaam()));
		elHighscore.addAttribute(new Attribute("score", score.getScore()));
		elHighscore.addAttribute(new Attribute("tijdOver", score.getTijdOver()));
		doc.getRootElement().appendChild(elHighscore);
		String xml = doc.toXML();
		try {
			FileWriter fstream = new FileWriter(file);
			BufferedWriter out = new BufferedWriter(fstream);
			out.write(xml);
			out.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}