Google Map API KML Layer object

<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false">
</script>
<script src="../js/jquery-1.4.2.min.js">
</script>
<script>
    var map;
    var nav = [];
    $(document).ready(function(){
        //initialise a map
        init();

        $.get("kml.xml", function(data){

            html = "";

            //loop through placemarks tags
            $(data).find("Placemark").each(function(index, value){
                //get coordinates and place name
                coords = $(this).find("coordinates").text();
                place = $(this).find("name").text();
                //store as JSON
                c = coords.split(",")
                nav.push({
                    "place": place,
                    "lat": c[0],
                    "lng": c[1]
                })
                //output as a navigation
                html += "<ul><li>" + place + "</li></ul>";
            })
            //output as a navigation
            $(".navigation").append(html);

            //bind clicks on your navigation to scroll to a placemark

            $(".navigation li").bind("click", function(){

                panToPoint = new google.maps.LatLng(nav[$(this).index()].lng, nav[$(this).index()].lat)

                map.panTo(panToPoint);
            })

        });

        function init(){


            var latlng = new google.maps.LatLng(-43.552965, 172.47315);
            var myOptions = {
                zoom: 10,
                center: latlng,
                mapTypeId: google.maps.MapTypeId.ROADMAP
            };
            map = new google.maps.Map(document.getElementById("map"), myOptions);



        }


    })
</script>

<div id="map" style="width:600px;height: 600px;">
</div>
<ul class="navigation">
</ul>