function popUpCalendar(button, form, fmt) {
	window.open("./calendar.php", "calendar", "width=400,height=200,status=yes");
	dateField=eval('form');
	dateType = 'date';
}

function popUpCalendarDatetime(button, form, fmt) {
	window.open("./calendar.php", "calendar", "width=400,height=240,status=yes");
	dateField=eval('form');
	dateType = 'datetime_nosec';
}