	var win = null;
	function nw(src) {
		// src anpassen (Ordner "klein" wird mit "gross" ersetzt)
		src = src.replace(/klein/, "gross");
		// Parameter für neues Fenster definieren
		var breite = 750;
		var hoehe = 500;
		var abstandOben = (screen.availHeight) ? (screen.availHeight-hoehe)/2: 100; // horizontal einmitten, falls Browser versteht
		var abstandLinks = (screen.availWidth) ? (screen.availWidth-breite)/2: 100; // vertikal einmitten, falls Browser versteht
		var param = 'width='+breite+',height='+hoehe+',top='+abstandOben+',left='+abstandLinks;
		param = param+',scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,tesizable=no';
		win = window.open("","newWindow",param);
		with(win.document)
		{
			write('<head><link href="css/style.css" rel="stylesheet" type="text/css" /></head><body>');
			write('<a href="#" onclick="self.close()"><img src="'+src+'" /></a>');
			write('</body>');
		}
		win.document.close();
		win.focus();
	}

