@RequestMapping(params = "findAvailableTime", method = RequestMethod.POST)
	public void onFindTimesClick(ModelMap model, Appointment appointment,
	        @RequestParam(value = "fromDate", required = false) Date fromDate,
	        @RequestParam(value = "toDate", required = false) Date toDate,
	        @RequestParam(value = "location", required = false) Location location) throws Exception {

		if (Context.isAuthenticated()) {
			if (fromDate == null)
				getAvailableTimes(new Date(), toDate, location);
			else
				getAvailableTimes(fromDate, toDate, location);
		}
	}