function oeffne_fenster(inhalt,breite,hoehe,scrollbars)
	{
		fenster_karte=window.open(inhalt,"karte","width="+breite+",height="+hoehe+",screenX=100,screenY=100,x-offset=100,y-0ffset=100,resizable=yes,scrollbars="+scrollbars);
		fenster_karte.focus();
	}