anchor.diff:  
           //resist the urge to put requestDayLocations() here!
           resetRoute();
  +        removeAllRoutes();
           calcRoute(dayLocations);
           removeMarkers();
       });
  
positive.code:     /////////// Change day //////////////////
      $("#location_day_id").change(function () {
          resetRoute();
          removeMarkers();
  
          requestDayLocations();
  
negative.code:     $(".animate_all").click(function (e) {
          e.preventDefault();
  
          removeAllRoutes();
          resetRoute();
          requestAllDayLocations();
  
  