function initMap() {
  var myLatLng = {lat: 55.82092273888437, lng: 37.38922119140625};

  var map = new google.maps.Map(document.getElementById('map'), {
    center: myLatLng,
    scrollwheel: false,
    zoom: 15
  });

  var marker = new google.maps.Marker({
    map: map,
    position: myLatLng,
    title: '   '
  });
}