DHTMLSuite.include("calendar");
	function calendarMonthChange(inputArray)
	{
		var calendarRef = inputArray.calendarRef;
		
		var month = inputArray.month;
		var year = inputArray.year;
		month++;
		if(month>12){
			month=1;
			year++;
		}
		
		var objectToChange = false;
		switch(calendarRef.id)
		{
			case "calendar1":
				objectToChange = myCalendar2;
				break;
			case "calendar2":	
				objectToChange = myCalendar3;
				break;
			case "calendar3":
				month-=3;
				if(month<1){
					month=12 + month;
					year--;	
				}
				objectToChange = myCalendar;
				break;
		}
		objectToChange.setDisplayedMonth(month);
		objectToChange.setDisplayedYear(year);
	}