function display($tpl = null)
{
// Initialise variables.
$app = JFactory::getApplication();
$user = JFactory::getUser();
$userId = $user->get('id');
$dispatcher = JDispatcher::getInstance();
$this->print = JRequest::getBool('print');
$this->state = $this->get('State');
$this->user = $user;
$this->period = isset($_POST['period']) ? $_POST['period'] : 'LAST-WEEK';
$this->authors = ideary::getAllAuthorsOrderByRanking();
//$this->_prepareDocument();
parent::display($tpl);
}