code: public void setSelectableDateRange(Date min, Date max) {
  		jcalendar.setSelectableDateRange(min, max);
  		dateEditor.setSelectableDateRange(jcalendar.getMinSelectableDate(),
  				jcalendar.getMaxSelectableDate());
  	}
docs: Sets a valid date range for selectable dates. If max is before min, the
  default range with no limitation is set.
  
  @param min
  the minimum selectable date or null (then the minimum date is
  set to 01\01\0001)
  @param max
  the maximum selectable date or null (then the maximum date is
  set to 01\01\9999)