fixed zooming payload on startup

Author: rossengeorgiev

cache.manifest

@@ -1,5 +1,5 @@
 CACHE MANIFEST
-# version 218
+# version 219
 
 # gogole maps files
 http://maps.google.com/maps/api/js?v=3.10&sensor=false&language=en_us&key=AIzaSyCOqkcNey4CCyG4X0X5qxHAhCgD8g5DwXg

js/tracker.js

@@ -1245,7 +1245,7 @@ function update(response) {
 function zoom_on_payload() {
     // find a the first balloon
     var i = -1, ii = vehicles.length;
-    while(++i < ii) if(vehicles[i].type == "balloon") break;
+    while(++i < ii) if(vehicles[i].vehicle_type == "balloon") break;
 
     if(i == ii) return;
     else {