Updating the Navigator with External call to event data

The Navigator doesn't support events.load() at the moment but you can load the events using update():

var data = [ ... ] ;
nav.update({events: data});

Usually you'll want to reuse the calendar data so the same data doesn't have to be loaded using two HTTP calls. You could do something like this:

dp.events.load("/loadvgames.php",
    function success(args) {
      nav.update({events: args.data});
      dp.message("Events loaded");
    },
    function error(args) {
      dp.message("Loading failed.");
    }
);

Just make sure that /loadvgames.php returns data for the full range displayed by the navigator.