code: function(a) {
              if ( a instanceof google.maps.LatLng ) {
                  return a;
              } else {
                  var b = a.replace(/ /g,'').split(',');
                  return new google.maps.LatLng(b[0], b[1]);
              }
          }
docs: Helper method for google.maps.Latlng
  @param callback