<!DOCTYPE html "-//W3C//DTD XHTML 1.0 Strict//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
        <html xmlns="http://www.w3.org/1999/xhtml">
            <head>
                <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
                <title>Google Maps JavaScript API Example</title>
                <script src="http://maps.google.com/maps?file=api&amp;v=2&amp;key=ABQIAAAANAncwO_HS3-25jJCcgmUKBSR4qcADqsxsGewILSOE-tlD6s4eBShK1dd1JluwUriDMdOz42lOHHrjQ

" type="text/javascript"></script>
                <script type="text/javascript">
        
                function initialize() {
                    if (GBrowserIsCompatible()) {
                        var map = new GMap2(document.getElementById("map_canvas"));
                        map.addControl(new GSmallMapControl());
        
                        GDownloadUrl("data.xml", function(data, responseCode) {
                            var xml = GXml.parse(data);
                            var markers = xml.documentElement.getElementsByTagName("marker");
                            for (var i = 0; i < markers.length; i++) {
                                var point = new GLatLng(parseFloat(markers[i].getAttribute("lat")),
                                                        parseFloat(markers[i].getAttribute("lng")));
                                var marker = new GMarker(point);
                                map.addOverlay(marker);

                            }
                            map.setCenter(point, 8);

                        });
                       
                    }
                }
        
                </script>
            </head>
            <body onload="initialize()" onunload="GUnload()">
                <div id="map_canvas" style="width: 1500px;height: 800px"></div>
            </body>
        </html>

   <?xml version="1.0" encoding="utf-8"?>
<markers>
    <marker lat="52.375066" lng="4.883756" html="Anne Frank Huis"/>
    <marker lat="52.375300" lng="4.896059" html="Beurs van Berlage"/>
</markers>