Search Address in Google Map using JavaScript Code in HTML

<html>

    <head>
        <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
        <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
        <title>Geo Code </title>
        <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
        <script type="text/javascript">
        var geocoder;
        var map;
        var address = "New Delhi";

        function initialize()
        {
            geocoder = new google.maps.Geocoder();
            var latlng = new google.maps.LatLng(-34.397, 150.644);
            var myOptions = {
                zoom: 14,
                center: latlng,
                mapTypeControl: true,
                mapTypeControlOptions:
                {
                    style: google.maps.MapTypeControlStyle.DROPDOWN_MENU
                },
                navigationControl: true,
                mapTypeId: google.maps.MapTypeId.ROADMAP
            };
            map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
            if(geocoder)
            {
                geocoder.geocode(
                {
                    'address': address
                }, function (results, status)
                {
                    if(status == google.maps.GeocoderStatus.OK)
                    {
                        if(status != google.maps.GeocoderStatus.ZERO_RESULTS)
                        {
                            map.setCenter(results[0].geometry.location);
                            var infowindow = new google.maps.InfoWindow(
                            {
                                content: '<b>' + address + '</b>',
                                size: new google.maps.Size(150, 50)
                            });
                            var marker = new google.maps.Marker(
                            {
                                position: results[0].geometry.location,
                                map: map,
                                title: address
                            });
                            google.maps.event.addListener(marker, 'click', function ()
                            {
                                infowindow.open(map, marker);
                            });
                        }
                        else
                        {
                            alert("No results found");
                        }
                    }
                    else
                    {
                        alert("Geocode was not successful for the following reason: " + status);
                    }
                });
            }
        }
        </script>
    </head>

    <body style="margin:0px; padding:0px;" onload="initialize()">
        <div id="map_canvas" style="width:100%; height:100%">
    </body>

</html>

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