info window google maps for multiple items

        for (var i = 0, max = markers.length; i < max; i++) {
            var miejscowosc = markers[i].getAttribute("miejscowosc"),
                point = new google.maps.LatLng(
                    parseFloat(markers[i].getAttribute("lat")),
                    parseFloat(markers[i].getAttribute("lgt"))
                ),

                marker = new google.maps.Marker({
                    map: map,
                    position: point,
                    title: miejscowosc
                }),

                infowindow = new google.maps.InfoWindow({
                   
                });

            google.maps.event.addListener(marker, 'click', function () {
// where I have added .html to the marker object.
                infowindow.setContent(this.miejscowosc);
                infowindow.open(map, this);
            });

            markerArray.push(marker);

        }