/**
* This is an interesting method. It returns an image, not HTML!
* @return void
*/
public function action_image()
{
$this->auto_render_layout = FALSE;
$EzLink = new Model_EzLink();
$image = $EzLink->getStatisticsImage();
$this->response->header('Content-type', 'image/png');
imagepng($image);
}
