function fenster(){
	var url="hyporechner/hyporechner.html";
	var groesse="width=490,height=603,directories=no,location=no,menubar=no,toolbar=no, scrollbar=yes, resizable=yes";
	neuesFenster=open(url,"zeigebild",groesse);
	neuesFenster.focus();
	neuesFenster.moveTo(300, 100);
}