Java Script nya

 <script type="text/javascript">
        var geocoder;
        var map;
        function initialize() {
            geocoder = new google.maps.Geocoder();
            var latlng = new google.maps.LatLng(-6.9174639, 107.61912280000001);
            var mapOptions = {
                zoom: 12,
                center: latlng
            }
            map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
        }
        <?php // membuat fungsi geocoder untuk mendapatkan latitude dan longtitude ?>
        function geocode() {
            var address = document.getElementById('alamat').value;
            geocoder.geocode( { 'address': address}, function(results, status) {
                if (status == google.maps.GeocoderStatus.OK) {
                    map.setCenter(results[0].geometry.location);
                    var marker = new google.maps.Marker({
                        map: map,
                        position: results[0].geometry.location
                    });
                    var lat = results[0].geometry.location.lat();
                    var lng = results[0].geometry.location.lng();
                } else {
                    alert('Geocode gagal dilakukan karena : ' + status);
                }
                document.getElementById("lat").value = lat;
                document.getElementById('lng').value=lng;
            });
        }

        google.maps.event.addDomListener(window, 'load', initialize);
    </script>