With the v3 API, you can easily close the InfoWindow with the InfoWindow.close() method. You simply need to keep a reference to the InfoWindow object that you are using. Consider the following example, which opens up an InfoWindow and closes it after 5 seconds:
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<title>Google Maps API InfoWindow Demo</title>
<script src="http://maps.google.com/maps/api/js?sensor=false"
type="text/javascript"></script>
</head>
<body>
<div id="map" style="width: 400px; height: 500px;"></div>
<script type="text/javascript">
var map = new google.maps.Map(document.getElementById('map'), {
zoom: 4,
center: new google.maps.LatLng(-25.36388, 131.04492),
mapTypeId: google.maps.MapTypeId.ROADMAP
});
var marker = new google.maps.Marker({
position: map.getCenter(),
map: map
});
var infowindow = new google.maps.InfoWindow({
content: 'An InfoWindow'
});
infowindow.open(map, marker);
setTimeout(function () { infowindow.close(); }, 5000);
</script>
</body>
</html>
If you have a separate InfoWindow object for each Marker, you may want to consider adding the InfoWindow object as a property of your Marker objects:
var marker = new google.maps.Marker({
position: map.getCenter(),
map: map
});
marker.infowindow = new google.maps.InfoWindow({
content: 'An InfoWindow'
});
Then you would be able to open and close that InfoWindow as follows:
marker.infowindow.open(map, marker);
marker.infowindow.close();
The same applies if you have an array of markers:
var markers = [];
marker[0] = new google.maps.Marker({
position: map.getCenter(),
map: map
});
marker[0].infowindow = new google.maps.InfoWindow({
content: 'An InfoWindow'
});
// ...
marker[0].infowindow.open(map, marker);
marker[0].infowindow.close();
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