protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		HttpSession session = request.getSession();
		if (session == null || session.getAttribute("username") == null) {
			out.println("You haven't signed in yet!");
			response.sendRedirect("start.html");
		}
		String [] fid = request.getParameterValues("fid");
		if (fid != null)
			for (int i = 0; i < fid.length; ++i) {
				try {
					DatabaseQuery.getResultSet("delete from fees where fid = " + fid[i]);
				} catch (SQLException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
		response.sendRedirect("start.html");
	}