<script>
  //Map
$(function(){
  var map;
  var markers = [];
  function initialize() {
    var mapOptions = {
        zoom: 10,
        center: {lat: 55.741744, lng: 37.640715}
    }
    map = new google.maps.Map(document.getElementById('form-map'), mapOptions);
    var infowindow = new google.maps.InfoWindow;
    var geocoder = new google.maps.Geocoder;
    google.maps.event.addListener(map, 'click', function(event) {
       geocodeLatLng(event.latLng, geocoder, map, infowindow);
       $('input[name="coords"]').val(event.latLng.lat() + ',' + event.latLng.lng());
    });
  }

  google.maps.event.addDomListener(window, 'load', initialize);
   function setMapOnAll(map) {
    for (var i = 0; i < markers.length; i++) {
      markers[i].setMap(map);
    }
  }
   function geocodeLatLng(latlng, geocoder, map, infowindow) {
    geocoder.geocode({'location': latlng}, function(results, status) {
      setMapOnAll(null);
      if (status === google.maps.GeocoderStatus.OK) {
        if (results[1]) {
          var marker = new google.maps.Marker({
            position: latlng,
            map: map
          });
          markers.push(marker);
          infowindow.setContent(results[1].formatted_address);
          $('input[name="address"]').val(results[1].formatted_address);
          infowindow.open(map, marker);
        } else {
          window.alert('No results found');
        }
      } else {
        window.alert('Geocoder failed due to: ' + status);
      }
    });
  }

   function codeAddress(address) {
    var geocoder = new google.maps.Geocoder;
    setMapOnAll(null);
    geocoder.geocode( { 'address': address}, function(results, status) {
      if (status == google.maps.GeocoderStatus.OK) {
        map.setCenter(results[0].geometry.location);
        var marker = new google.maps.Marker({
            map: map,
            position: results[0].geometry.location
        });
        $('input[name="coords"]').val(results[0].geometry.location.lat() + ',' + results[0].geometry.location.lng());
        markers.push(marker);
      }
    });
  }

  $('.address-search').click(function(){
    var val = $('input[name="address"]').val();
    codeAddress(val);
    return false;
  });
})
</script>