fixed bug left from API3 port

Author: rossengeorgiev

cache.manifest

@@ -1,5 +1,5 @@
 CACHE MANIFEST
-# version 34
+# version 35
 
 # gogole maps files
 http://maps.google.com/maps/api/js?v=3.10&sensor=false&key=AIzaSyCOqkcNey4CCyG4X0X5qxHAhCgD8g5DwXg

js/tracker.js

@@ -321,7 +321,7 @@ function updateVehicleInfo(index, position) {
       vehicles[index].subhorizon_circle.setVisible(false);
 
     } else if(vehicles[index].ascent_rate > -3.0 ||
-              vehicle_names[vehicle_index] == "wb8elk2") {
+              vehicle_names[index] == "wb8elk2") {
     	vehicles[index].marker.setMode("balloon");
     } else {
     	vehicles[index].marker.setMode("parachute");