private void refreshObjects() {
allObjects.clear();
Iterator it = navaids.values().iterator();
while (it.hasNext()) {
NavaidCoord nav = (NavaidCoord) it.next();
allObjects.put("Navaid: " + nav.getName(), new Boolean(true));
}
it = airports.values().iterator();
while (it.hasNext()) {
Airport air = (Airport) it.next();
allObjects.put("Airport: " + air.getName(), true);