public function AddActivitat($id, $timestamp_inici, $timestamp_fi, $organitzador, $email, $titol, $link, $location, $summary, $description, $calendarid, $color_id, $idS)
{
date_default_timezone_set('Europe/Madrid');
//echo date(DateTime::RFC3339,mktime(17,30,00,1,14,2013));
$E = new Google_Event();
$O = new Google_EventOrganizer();
$O->setDisplayName($titol);
$O->setEmail($email);
$E->setOrganizer($O);
$E->setSummary($titol);
$E->setHtmlLink($link);
$E->setLocation($location);
$E->setDescription(html_entity_decode(strip_tags($description)));
$start = new Google_EventDateTime();
$start->setDateTime(date(DateTime::RFC3339, $timestamp_inici));
$E->setStart($start);
$end = new Google_EventDateTime();
$end->setDateTime(date(DateTime::RFC3339, $timestamp_fi));
$E->setEnd($end);
$E->setColorId($color_id);
$this->cal->events->insert(OptionsPeer::getString('GOOGLE_CALENDAR_ID', $idS), $E);
}
