function get_cirle()
    {
        $sql = "SELECT receive_type,pengunjung FROM tbl_circle ";
        $result9 = mysql_query($sql);
        $data = array();
        while ($row = mysql_fetch_array($result9))
        {
            $data9 = array($row['receive_type'] , $row['pengunjung'];
            $data[] = $data9;
        }
     echo json_encode($data);
    }