var map;
var gmarkers = [];
var sPhotoList = "";
var i = 0;

function PopMarker(i) {
    GEvent.trigger(gmarkers[i], "click");
}

function createMarker(point, html, photo) {
    var marker = new GMarker(point);
    GEvent.addListener(marker, "click", function() {
        marker.openInfoWindowHtml(html);
    });
    gmarkers[i] = marker;
    //Adding List
    sPhotoList += '<a href="javascript:myclick(' + i + ')">' + photo + '</a>';    
    i++;
    return marker;
}

function myclick(i) {
    GEvent.trigger(gmarkers[i], "click");
}

function LoadMap(XmlFile) {

    if (GBrowserIsCompatible()) { 
        var request = GXmlHttp.create();
        request.open("GET", XmlFile, true);
        request.onreadystatechange = function() {
            if (request.readyState != 4) {
            } else {
                var xmlDoc = GXml.parse(request.responseText);
                var center = xmlDoc.documentElement.getElementsByTagName("center");
                var lat = parseFloat(center[0].getAttribute("lat"));
                var lng = parseFloat(center[0].getAttribute("lng"));
                var zoom = parseFloat(center[0].getAttribute("zoom"));
                var control = center[0].getAttribute("control");
                var point = new GLatLng(lat, lng);


                map = new GMap2(document.getElementById("map"));

                if (control == "L") {
                    map.addControl(new GLargeMapControl());
                }
                else {
                    map.addControl(new GSmallMapControl());
                }

                map.addControl(new GMapTypeControl());
                map.setCenter(point, zoom);
                //map.setMapType(G_SATELLITE_MAP);
                map.enableScrollWheelZoom();

                var markers = xmlDoc.documentElement.getElementsByTagName("marker");
                for (var i = 0; i < markers.length; i++) {
                    lat = parseFloat(markers[i].getAttribute("lat"));
                    lng = parseFloat(markers[i].getAttribute("lng"));
                    point = new GLatLng(lat, lng);
                    var html = markers[i].getAttribute("html");
                    var photo = markers[i].getAttribute("photo");
                    var marker = createMarker(point, html, photo);
                    map.addOverlay(marker);
                }
                if (control == "L") {
                    document.getElementById("PhotoList").innerHTML = sPhotoList;
                }
                PopMarker(0);
            }
        }
        request.send(null);

    }
    else {
        alert("Sorry, the Google Maps API is not compatible with your browser");
    }
}