CEventCalendar::CheckDisplayedSPCalendars

function CheckDisplayedSPCalendars($arIds = array(), $arSPCal = array())
{
	$arIdsChecked = array();
	if (count($arIds) > 0)
	{
		for($i = 0, $l = count($arSPCal); $i < $l; $i++)
		{
			for($j = 0, $n = count($arSPCal[$i]['ITEMS']); $j < $n; $j++)
			{
				$el = $arSPCal[$i]['ITEMS'][$j];
				if (in_array($el['ID'], $arIds))
					$arIdsChecked[] = $el;
			}
		}
	}
	return $arIdsChecked;
}