function showCalendar(event, controlID, internationalDate)
{
	var inputControl = document.getElementById(controlID);
	var calendarHeight = 180;
	var calendarWidth = 230;
	var calendarTop = event.screenY;
	if (calendarTop + calendarHeight > (window.screen.height - 60))
	{
		calendarTop = window.screen.height - calendarHeight - 60;
	}
	var calendarLeft = event.screenX;
	if (calendarLeft + calendarWidth > window.screen.width)
	{
		calendarLeft = window.screen.width - calendarWidth;
	}
	var url = "/common/Calendar.aspx?ID=" + escape(inputControl.id) + "&Default=" + escape(inputControl.value);
	if (internationalDate)
	{
		url += "&International=True";
	}
	window.open(url, 
		"_blank", 
		"height=" + calendarHeight + 
		",width=" + calendarWidth + 
		",top=" + calendarTop +
		",left=" + calendarLeft + 
		",screenY=" + calendarTop +
		",screenX=" + calendarLeft + 
		",location=no,menubar=no,resizable=no,scrollbars=no,status=no,titlebar=no,toolbar=no");
}