var awaitingGeocode; // true if the user has requested a route, but we're waiting on a geocode result
var awaitingRoute; // true if we've asked the engine for a route and are waiting to hear back
var chosenEngine;
var awaitingGeocode; // true if the user has requested a route, but we're waiting on a geocode result
var awaitingRoute; // true if we've asked the engine for a route and are waiting to hear back
var chosenEngine;