return ccs.getBeginDate().before(endDate) && (ccs.getEndDate() == null || (ccs.getEndDate().after(beginDate)));
return ccs.getBegin().before(endDate) && (ccs.getEndDate() == null || (ccs.getEnd().after(beginDate)));
	private boolean isCurricularCourseScopeInTimeSpan(ICurricularCourseScope ccs, Date beginDate, Date endDate) {		return ccs.getBeginDate().before(endDate) && (ccs.getEndDate() == null || (ccs.getEndDate().after(beginDate)));	}