function downloadLink($startdate, $enddate)
{
if ($this->calendar->schedule->allowICalDownload()) {
$dl['uop'] = 'ical_dl';
$dl['sch_id'] = $this->calendar->schedule->id;
$dl['sdate'] = $startdate;
$dl['edate'] = $enddate;
$icon = Icon::show('download');
$download = new PHPWS_Link($icon, 'calendar', $dl);
$download->setNoFollow();
return $download->get();
} else {
return null;
}
}
