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; } }