func mapView(mapView: MKMapView, viewForAnnotation annotation: MKAnnotation) -> MKAnnotationView? {

		if annotation is MKUserLocation {
			return nil
		}

		var pinView = mapView.dequeueReusableAnnotationViewWithIdentifier(Constants.annotationPlace)
		if pinView == nil {
			pinView = MKAnnotationView(annotation: annotation, reuseIdentifier: Constants.annotationPlace)
			pinView!.canShowCallout = true
			pinView!.image = UIImage(named:Constants.imgPin)!
		}
		else {
			pinView!.annotation = annotation
		}

		return pinView
    }