An old post but still solved my issue with multiple infowindows thanks 
......

On Tuesday, February 9, 2010 at 8:18:38 PM UTC+5, Chad Killingsworth wrote:
>
> I misread your issue - the above code alone won't fix the issue.
>
> The way I address your issue is to attach a new property to the
> marker. This has the risk that if the Marker object ever defines that
> property, you will just have overwritten it.
>
> Here's the augmented code:
>
> marker.infoWindow = new google.maps.InfoWindow({
>        content: 'This is some <b>info</b> text ' + i,
>        position: latlng
>         });
>
> google.maps.event.addListener(marker, 'click', function() {
>             this.infoWindow.open(map, this);
> });
>
> Chad Killingsworth
>
> On Feb 9, 9:08 am, Chad Killingsworth
> <chadkillingswo...@missouristate.edu> wrote:
> > Couple of generic notes:
> >
> > 1) Please include a live link to your site. It's difficult to debug
> > code posted to the group.
> > 2) You are using a key in your script tag that includes the API. The
> > v3 API does not use keys.
> >
> > Now to your particular issue. Try the following code snippet:
> >
> > var info = new google.maps.InfoWindow({
> >        content: 'This is some <b>info</b> text ' + i,
> >        position: latlng
> >         });
> >
> > google.maps.event.addListener(marker, 'click', function() {
> >             info.open(map, this);
> >
> > });
> >
> > Good luck,
> >
> > Chad Killingsworth
> >
> > On Feb 9, 6:00 am, Lawrence <ldd...@gmail.com> wrote:
> >
> > > Hi,
> >
> > > The following code is simple and uses Fluster clusterer for V3 but
> > > this does not change the problem I am having. Out of 20 markers with
> > > listener I only get back the final #19 infoWindow marker for every
> > > mouse click.
> >
> > > I probably just can't see the mistake I am making. I have included the
> > > complete test example.
> >
> > > =============================
> >
> > > <html>
> > > <head>
> > > <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
> > > <title>MapV3-TEST 2</title>
> > > <script type="text/javascript"
> > >         src="
> http://maps.google.com/maps/api/js?sensor=false&key=ABQIAAAAeMlT-
> > > q_MPMuAPVRACx8wMBTDpjK6HkeMU41AmSpLNDItnIYiyRQgFFe4Ed-3B4n-
> > > M5EzX1fSXY-7zg"></script>
> > > <script type="text/javascript" src="../js/nimblecat/gmap/
> > > Fluster2.packed.js"></script>
> > > <script type="text/javascript"><!--
> >
> > >   function initialize() {
> > >     var latlng = new google.maps.LatLng(33.82, -118.15);
> > >     var myOptions = {
> > >       zoom: 8,
> > >       center: latlng,
> > >       mapTypeId: google.maps.MapTypeId.ROADMAP
> > >       };
> >
> > >     var map;
> > >     var fluster;
> >
> > >     try {
> > >         map = new
> > > google.maps.Map(document.getElementById("map_canvas"), myOptions);
> > >         fluster = new Fluster2(map);
> > >     } catch (ex) {
> > >         alert("ERROR: initializing map or fluster == " +
> > > ex.description);
> > >     }
> >
> > >     var lat = map.getCenter().lat();
> > >     var lng = map.getCenter().lng();
> >
> > >     var markerCount = 20;
> >
> > >       for(var i = 0; i < markerCount; i++) {
> > >           var pos = [
> > >               lat + (0.5 * Math.random()),
> > >               lng + (0.5 * Math.random())
> > >           ];
> >
> > >      var latlng = new google.maps.LatLng(pos[0], pos[1]);
> >
> > >      var marker =  new google.maps.Marker( {
> > >                                                                 
> position: latlng,
> > >                                                                       
>   map: map,
> > >                                                                 title: 
> 'Marker ' + i });
> >
> > >        var info = new google.maps.InfoWindow({
> > >            content: 'This is some <b>info</b> text ' + i,
> > >            position: latlng
> > >        });
> >
> > >        google.maps.event.addListener(marker, 'click', function() {
> > >            info.open(map, marker);
> > >            });
> >
> > >                 fluster.addMarker(marker);
> >
> > >                 } // end of loop
> >
> > >              fluster.styles = {
> > >               // This style will be used for clusters with more than 0
> > > markers
> > >               0: {
> > >                   image: 'http://gmaps-utility-library.googlecode.com/
> > > svn/trunk/markerclusterer/1.0/images/m1.png',
> > >                   textColor: '#FFFFFF',
> > >                   width: 53,
> > >                   height: 52
> > >               },
> > >               // This style will be used for clusters with more than
> > > 10 markers
> > >               10: {
> > >                   image: 'http://gmaps-utility-library.googlecode.com/
> > > svn/trunk/markerclusterer/1.0/images/m2.png',
> > >                   textColor: '#FFFFFF',
> > >                   width: 56,
> > >                   height: 55
> > >               },
> > >               20: {
> > >                   image: 'http://gmaps-utility-library.googlecode.com/
> > > svn/trunk/markerclusterer/1.0/images/m3.png',
> > >                   textColor: '#FFFFFF',
> > >                   width: 66,
> > >                   height: 65
> > >               }
> > >           };
> >
> > >         fluster.initialize();
> > >                 }
> >
> > > --></script>
> > > </head>
> > > <body onload="initialize()">
> > > <div id="map_canvas" style="width: 80%; height: 80%"></div>
> > > </body>
> >
> > > </html>
> >
> > > =============================
> >
> > > Any help is appreciated,
> > > Lawrence
>
>

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