<script>
        // Note: This example requires that you consent to location sharing when
        // prompted by your browser. If you see the error "The Geolocation service
        // failed.", it means you probably did not give permission for the browser to
        // locate you.
        var customLabel = {
            restaurant: {
                label: 'R'
            },
            bar: {
                label: 'B'
            }
        };
        function initMap() {
            var map = new google.maps.Map(document.getElementById('map'), {
                center: new google.maps.LatLng(-23.568130, -46.649166),
                zoom: 13, scrollwheel: !1

            });

            var infoWindow = new google.maps.InfoWindow;

            downloadUrl('resultado.php', function (data) {
                var xml = data.responseXML;
                var markers = xml.documentElement.getElementsByTagName('marker');
                Array.prototype.forEach.call(markers, function (markerElem) {
                    var name = markerElem.getAttribute('name');
                    var address = markerElem.getAttribute('address');
                    var type = markerElem.getAttribute('type');
                    var point = new google.maps.LatLng(
                            parseFloat(markerElem.getAttribute('lat')),
                            parseFloat(markerElem.getAttribute('lng')));
                    var infowincontent = document.createElement('div');
                    var strong = document.createElement('strong');
                    strong.textContent = name;
                    infowincontent.appendChild(strong);
                    infowincontent.appendChild(document.createElement('br'));
                    var text = document.createElement('text');
                    text.textContent = address;
                    infowincontent.appendChild(text);
                    var icon = customLabel[type] || {
                    };
                    var marker = new google.maps.Marker({
                        position: point,
                        label: icon.label,
                        icon: 'pointer.png',
                        map: map
                    });
                    marker.addListener('click', function () {
                        infoWindow.setContent(infowincontent);
                        infoWindow.open(map, marker);
                    });
                });
            });
            function downloadUrl(url, callback) {
                var request = window.ActiveXObject ?
                        new ActiveXObject('Microsoft.XMLHTTP') :
                        new XMLHttpRequest;
                request.onreadystatechange = function () {
                    if (request.readyState == 4) {
                        request.onreadystatechange = doNothing;
                        callback(request, request.status);
                    }
                };
                request.open('GET', url, true);
                request.send(null);
            }
            function doNothing() {}
            var infoWindow = new google.maps.InfoWindow({map: map});
            if (navigator.geolocation) {
                navigator.geolocation.getCurrentPosition(function (position) {
                    var pos = {
                        lat: position.coords.latitude,
                        lng: position.coords.longitude
                    };

                    infoWindow.setPosition(pos);
                    infoWindow.setContent('Você está aqui');
                    map.setCenter(pos);
                }, function () {
                    handleLocationError(true, infoWindow, map.getCenter());
                });
            } else {
                handleLocationError(false, infoWindow, map.getCenter());
            }
        }
        function handleLocationError(browserHasGeolocation, infoWindow, pos) {
            infoWindow.setPosition(pos);
            infoWindow.setContent(browserHasGeolocation ?
                    'Error: The Geolocation service failed.' :
                    'Error: Your browser doesn\'t support geolocation.');
        }
    </script>