var fenster; 

function Info(i) 
	{
	if (fenster && !fenster.closed)
		fenster.close();

	if (i == '                ') {breite = +60; hoehe = +50; fenster=window.open(i+".htm", "popup","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width="+breite+",height="+hoehe+","+zentrieren(breite, hoehe));}

// museum
	if (i == 'museum1')  {breite = 358; hoehe = 272; fenster=window.open(i+".htm", "popup","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width="+breite+",height="+hoehe+","+zentrieren(breite, hoehe));}
	if (i == 'museum2')  {breite = 358; hoehe = 262; fenster=window.open(i+".htm", "popup","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width="+breite+",height="+hoehe+","+zentrieren(breite, hoehe));}
	if (i == 'museum3')  {breite = 358; hoehe = 272; fenster=window.open(i+".htm", "popup","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width="+breite+",height="+hoehe+","+zentrieren(breite, hoehe));}
	fenster.focus();
	}