var bounds;
    function initializetest() {
        var geocoder = new google.maps.Geocoder();
        var test ={
                        zoom: 12,
            mapTypeId: google.maps.MapTypeId.ROADMAP,
            center: new google.maps.LatLng(0, 0)
        }
        window.test = new google.maps.Map(document.getElementById("test"),test);
                window.bounds = new google.maps.LatLngBounds();

                        var marker_0 = new google.maps.Marker({
                        map: window.test        });
                marker_0.setTitle("ЦС ГортестСибирь");
                        var infowindow_0 = new google.maps.InfoWindow({
            content: 'г. Новосибирск, ул. Коммунистическая, д. 40, оф. 802'
          });
        marker_0.addListener('click', function() {
          infowindow_0.open(window.test, marker_0);
        });
                        marker_0.setPosition(new google.maps.LatLng(55.023103, 82.920673));
                window.bounds.extend(marker_0.position);
        window.test.fitBounds(bounds);
                                var marker_1 = new google.maps.Marker({
                        map: window.test        });
                marker_1.setTitle("Межотраслевой институт повышения квалификации");
                        var infowindow_1 = new google.maps.InfoWindow({
            content: 'г. Иркутск, ул. Ленина, д. 6, оф. 421'
          });
        marker_1.addListener('click', function() {
          infowindow_1.open(window.test, marker_1);
        });
                        marker_1.setPosition(new google.maps.LatLng(52.289713, 104.278782));
                window.bounds.extend(marker_1.position);
        window.test.fitBounds(bounds);
                                var marker_2 = new google.maps.Marker({
                        map: window.test        });
                marker_2.setTitle("Единый центр СРО");
                        var infowindow_2 = new google.maps.InfoWindow({
            content: 'г. Иркутск, ул. Ленина, д. 6, оф. 421'
          });
        marker_2.addListener('click', function() {
          infowindow_2.open(window.test, marker_2);
        });
                        marker_2.setPosition(new google.maps.LatLng(52.289713, 104.278782));
                window.bounds.extend(marker_2.position);
        window.test.fitBounds(bounds);


    }
    function loadScript() {
        var script = document.createElement("script");
        script.type = "text/javascript";
        script.src = "https://maps.googleapis.com/maps/api/js?key=AIzaSyAhJWeSeXVr6MmmDaiar8WScipecApBm8c&sensor=false&callback=initializetest";
        document.body.appendChild(script);
    }
    window.onload = loadScript;