ok così pare funzionare:
codice:
for (var i = 0; i < shops.length; i++) {
var s = shops[i];
var marker = new google.maps.Marker({
position: new google.maps.LatLng(s[1], s[2]),
map: map,
title: s[0]
});
var tooltip = '<div id="tooltip">' +
'<p><strong>' + s[0] + '</strong><br/>' +
s[3] + '<br/>' +
'</div>';
var infoWindow = new google.maps.InfoWindow();
var addListener = function(m, c) {
google.maps.event.addListener(m, 'click', function() {
infoWindow.setContent(c);
infoWindow.open(map, m);
});
}
addListener(marker, tooltip);
}
ciao!!