public void setSelectableDateRange(Date min, Date max) {
		if (min == null) {
			minSelectableDate = defaultMinSelectableDate;
		} else {
			minSelectableDate = min;
		}
		if (max == null) {
			maxSelectableDate = defaultMaxSelectableDate;
		} else {
			maxSelectableDate = max;
		}
		if (maxSelectableDate.before(minSelectableDate)) {
			minSelectableDate = defaultMinSelectableDate;
			maxSelectableDate = defaultMaxSelectableDate;
		}
	}