 clicks
                // the marker, when the big infowindow opens
                markers[i].infowindow = infowindow;
                google.maps.event.addListener(markers[i], 'click', function() {
                  this.infowindow.close();
                });
              }
            }
          }
        }
        if (!atLeastOne) {
          window.alert('We could not find any locations within that distance!');
        }
      }

      // This function is in response to the user selecting "show rou