function win(source, titel, breite, hoehe) {
	pop_titel  = titel;
	pop_source = source;
	oben =  (screen.height-hoehe)/2;
	links = (screen.width-breite)/3;
	popup = window.open("pop.html", "popup","titel="+titel+", left="+links+",top="+oben+",width="+breite+",innnerwidth="+breite+",menubar=no,scrollbars=no,location=no,status=no,toolbar=no,height="+hoehe+",innerheight="+hoehe);
	popup.focus();
	}