- (IBAction)FindUs:(id)sender {
self.UsMap.hidden = NO;
CLLocationCoordinate2D coord;
coord.latitude = 34.7993;
coord.longitude = 113.6939;
POI *poi = [[POI alloc]initWithCoords:coord];
[UsMap addAnnotation:poi];
MKCoordinateRegion theRegion = { {0.0, 0.0 }, { 0.0, 0.0 } };
theRegion.center=coord;
[UsMap setZoomEnabled:YES];
[UsMap setScrollEnabled:YES];
theRegion.span.longitudeDelta = 0.01f;
theRegion.span.latitudeDelta = 0.01f;
[UsMap setRegion:theRegion animated:YES];
}