boolean checkDate(){
		MyCalendar startCal = event.getStartDateAndTime();
		MyCalendar endCal = event.getEndDateAndTime();
		
		if ( endCal.getYear() == 0  || endCal.getMonth() == 0 || endCal.getDate() == 0)
			return true;
		
		if(endCal.getYear() < startCal.getYear())
			return false;
		else if(endCal.getYear() > startCal.getYear())
			return true;
		
		//If code reaches here, Year is the same
		if(endCal.getMonth() < startCal.getMonth())
			return false;
		else if(endCal.getMonth() > startCal.getMonth())
			return true;
		
		//If code reaches here, Year and Month are the same
		if(endCal.getDate() < startCal.getDate())
			return false;
		else if(endCal.getDate() >= startCal.getDate())
			return true; 
		
		return true;
	}