private ArrayList<String> getMultipleAnswers(HttpServletRequest request, Question q) {
		int numOptions = ((MultipleChoiceMultipleAnswer)q).numOptions();
		ArrayList<String> userAnswers = new ArrayList<String>();
		for (int i = 0; i < numOptions; i++) {
			String a = request.getParameter(q.getQuestionID() + "-" + i);
			if (a != null)
				userAnswers.add(a);		
		} 
		return userAnswers;
	}