if (in_array($cal->f('id'), $_POST['calendars'])) {
if (!$cal2->event_is_subscribed($event_id, $cal->f('id'))) {
$cal2->subscribe_event($event_id, $cal->f('id'));
}
} else {
if ($cal2->event_is_subscribed($event_id, $cal->f('id'))) {
$cal2->unsubscribe_event($event_id, $cal->f('id'));
}
}
}
}
//set the reminder
if ($_POST['reminder'] > 0) {
$next_recurrence_time = $cal->get_next_recurrence_time($event_id);
$remind_time = $next_recurrence_time - $_POST['reminder'];
$cal->insert_reminder($GO_SECURITY->user_id, $event_id, $remind_time);
}
if (trim($_POST['to']) != '' && $send_invitation) {
//remove participants and add them if invitation is sent succesfully
$cal->remove_participants($event_id);
$send_invitation = false;
//send an invitation mail to all participants
$participants = cut_address($_POST['to'], $charset);
$mail_body = '<html><body>' . $sc_invited . '<br /><br />';
$mail_body .= '<table border="0"><tr><td>' . $sc_title . ':</td><td>' . $name . '</td></tr>';
if ($_POST['contact_id'] > 0) {
$mail_body .= '<tr><td>' . $sc_client . ':</td>';
$mail_body .= '<td>' . show_contact($_POST['contact_id']) . '</td></tr>';
}
if ($_POST['description'] != '') {
$mail_body .= '<tr><td valign="top">' . $strDescription . ':</td>';
