public function postsaveAction()
{
$data = array();
$data['id'] = $this->_getParam("id");
$data['name'] = $this->_getParam("name");
$data["time_start"] = strtotime($this->_getParam("time_start"));
$data["time_end"] = strtotime($this->_getParam("time_end"));
$data["before_price"] = $this->_getParam("before_price");
$data["now_price"] = $this->_getParam("now_price");
$data['image'] = $this->_getParam("image");
$data['visible'] = $this->_getParam("visible");
$data['paypal'] = $this->_getParam("paypal");
$data['desc'] = $this->_getParam("desc");
//check data
$this->_product->save($data);
$this->redirect("index", "courses", "admin");
}
