public function LoginAuth(Gyuser_Model_Operator $obj)
 {
     $table = $this->getDbTable();
     $select = $table->select($table, array('id', 'name', 'last_name', 'email', 'type'))->where('email = ?', $obj->getEmail())->where('password = ?', md5($obj->getPassword()))->where('status = ?', true);
     $result = $table->fetchRow($select);
     $entry = new Gyuser_Model_Operator();
     if (@$result->id) {
         $entry->setId($result->id);
         $entry->setName($result->name);
         $entry->setLast_name($result->last_name);
         $entry->setEmail($result->email);
         $entry->setType($result->type);
     }
     return $entry;
 }