function initialize()
{
var map = new google.maps.Map(document.getElementById("map"),
{
center: new google.maps.LatLng(22.7964,73.8456),
mapTypeId: google.maps.MapTypeId.TERRAIN
});
var kmlLayer = new google.maps.KmlLayer('http://world.wildlife.adventures.googlepages.com/wildlife-national-parks-india.kml',
{
suppressInfoWindows: true,
map: map
});
google.maps.event.addListener(kmlLayer, 'click', function(kmlEvent)
{
var text = kmlEvent.featureData.description;
showInContentWindow(text);
});
function showInContentWindow(text)
{
var sidediv = document.getElementById('content_window');
sidediv.innerHTML = text;
}
}
<html>
<head>
<title>Google Maps API v3 : KML Layer</title>
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false">
</script>
<script type="text/javascript">
<!--Copy the Javascript code here. -->
</script>
</head>
<body onload="initialize()">
<div id="map" style="width:300px; height:400px; float:left">
</div>
<div id="content_window" style="width:100px; height:400px; float:right">
</div>
</body>
</html>