if(isset($_GET["modul"]) && $_GET["modul"]!="") {
switch ($_GET["modul"]) {
case 'home':
include "about.php";
break;
case 'about':
include "about.php";
break;
case 'class':
include "class.php";
break;
case 'activities':
include "activities.php";
break;
case 'contact':
include "contact.php";
break;
default :
include "about.php";
break;
}
}else{
include "about.php";
}
?>