if (isset($_GET['theatre'])){
                        $halls=ShowHalls($_GET['theatre'],$xml->Data->Theatres);
                        foreach ($halls as $id => $hall) {
                                echo "$hall = $id <br />";
                        }
                } elseif (isset($_GET['page'])){
                        if ($_GET['page']=="service"){
                                include_once ("service.php");
                        }elseif ($_GET['page']=="cinema"){
                                include("cinema.php");
                        }
                }