Untitled

<!DOCTYPE html>
<html>
  <head>
    <title>Accessing arguments in UI events</title>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <style>
      html, body, #map-canvas {
        height: 100%;
        margin: 0px;
        padding: 0px
      }
    </style>
    <script src="https://maps.googleapis.com/maps/api/js?v=3.exp"></script>
    <script>
      var id;
      var markers = {};
      //var markers_arr = [];
      //var lat_lon_arr = [];
      function placeMarker(position, map) {
        var marker = new google.maps.Marker({
          position: position,
          map: map,
          draggable: true,
          animation: google.maps.Animation.DROP
        });

        //markers_arr.push(marker);
        //lat_lon_arr.push([position.lat(),position.lng()]);

        //LISTEN FOR RIGHT CLICK AND THEN DELETE ON MARKER
        id = marker.__gm_id;
        markers[id] = marker;
        google.maps.event.addListener(marker,
          "rightclick",
          function (point) {id = this.__gm_id; delMarker(id)
          });


        // lon_arr.push(position.lng());
        //map.panTo(position);
      }

      var delMarker = function(id){
        marker = markers[id];
        marker.setMap(null);
      }

      function initialize() {
        var mapOptions = {
          zoom: 5,
          center: new google.maps.LatLng(39.8250, -98.5555), //Center map at mid of USA
          mapTypeId: google.maps.MapTypeId.HYBRID
        };
        var map = new google.maps.Map(document.getElementById('map-canvas'),
            mapOptions);

        // WAITS AND LISTENS FOR USER'S ACTION TO CLICK GOOGLE MAP
        google.maps.event.addListener(map, 'click', function(e) {
          placeMarker(e.latLng, map);
          // alert('Lat: ' + e.latLng.lat() + ' Lng: ' + e.latLng.lng());
        });
      }

      google.maps.event.addDomListener(window, 'load', initialize);

    </script>
  </head>
  <body>
    <div id="map-canvas"></div>
  </body>
</html>