method refresh the routes

geolocation.js

var geo = new Ext.util.GeoLocation({
            autoUpdate: false,
            listeners: {
                locationupdate: function(geo) {
                    refreshRoutes(geo.latitude, geo.longitude);
                },
                locationerror: function(geo, bTimeout, bPermissionDenied, bLocationUnavailable, message) {
                    if (bTimeout) {
                        alert('Timeout occurred.');
                    } else {
                        alert('Error occurred.');
                    }
                }
            }
        });
        geo.updateLocation();

refreshroutes.js

var refreshRoutes = function(lat, lon) {
                socket.emit('get-routes', lat, lon, function(routes) {
                    Ext.each(routes, function(route, index) {
                        App.routeStore.add(route);
                    });
                    App.routeList.refresh();
                });
            };