gistfile1.js

var infoBubble = new InfoBubble({
    padding: 10,
    borderRadius: 4,
    arrowSize: 0,
    arrowPosition: 30,
    arrowStyle: 2
});

for(var i=0;i<data.length;i++)
{
    var lat = data[i].latitude;
    var lng = data[i].longitude;
    var latLng = new google.maps.LatLng(lat, lng);
    var marker = new google.maps.Marker({map: map, position: glatLng});
    markersArray.push(marker);
    
    var contentString = '<div>My content goes here for ['+lat+', '+lng+']</div>';
    
    google.maps.event.addListener(marker, 'click', function(){
        infoBubble.setContent(contentString);
        infoBubble.open(map, marker);
    });
}