function getCalendar(id1) {
	if (typeof calendarWindow == "object" && !calendarWindow.closed) {
		calendarWindow.location.href = "include/calendar.asp?id1=" + id1
		calendarWindow.focus()
	}
	else
		calendarWindow = window.open("include/calendar.asp?id1=" + id1, 'date', 'width=365,height=350')
}

function getCalendarPlus(id1,id2,incr) {
	if (typeof calendarWindow == "object" && !calendarWindow.closed) {
		calendarWindow.location.href = "include/calendar.asp?id1=" + id1 + "&id2=" + id2 + "&incr=" + incr;
		calendarWindow.focus();
	}
	else 
		calendarWindow = window.open("include/calendar.asp?id1=" + id1 + "&id2=" + id2 + "&incr=" + incr, 'date', 'width=365,height=350')
}