Question

code

//array store the markers

var googleMarker = [];

//this function get json object with the marker data
//place name,place id,place address.

function AjaxGetUserToPlaces(res)
{
    var l = res.value.length; 

    for(var i=0;i<l;i++)
    {
        var point = new GLatLng(res.value[i].lng,res.value[i].lat)
        map.addOverlay(createMarkerInfo(i,point,res.value[i].placeName,res.value[i].placeId));
        polylineArray.push(point);
    }
}

//the function create the openWindow for the marker.

function createMarkerInfo(i,latlng , placeName,placeId)
 {
    var marker = new GMarker(latlng);
    marker.value = placeId;

    GEvent.addListener(marker, 'click', function()
    { 
    marker.openInfoWindowHtml(''+
    '<a href='+baseUrl+'ui/pages/place/place.aspx?plid='+placeId+'>'+placeName+'</a>');
        });
        googleMarker[i] = marker

    return marker;
}



//this function occur when user click on one of the result.
//it gets the number in the array googleMarker.

function showMarkerInfoWindow(i)
{

//here i want to open the marker info window.
//pay attention, i dont have the html to put inside the infowindow
//i want just to show the infowindoe with the exising html 
//that created prevusly from the function createMarkerInfo

     googleMarker[i].openInfoWindowHtml();
}

Answer 1

You can trigger a click event on the marker to open its info window:

GEvent.trigger(googleMarker[i], googleMarker[i].getLatLng());