system = parent.document.referrer;

 	switch (system) {
 	
 	case "http://www.jn-sbk.de/index.php?sec=verweise&menu=1":
 	location.href='secure.htm';
 	break;

 	case "http://www.schoenebeck.de/1.htm":
 	location.href='secure.htm';
 	break;


	default:
	break;
	}