public void onItemSelected(AdapterView<?> parent, View view, int pos,
			long id) {
		 

		switch (parent.getId()) {
		case R.id.spMainModelName:

			String spinnerString = null;
			String id_string = String.valueOf(id);
			fillSpinnerMainSubModel(id_string);
			Toast.makeText((parent.getContext()), "First Spinner. id " +
					 parent.getItemAtPosition(pos).toString(), Toast.LENGTH_SHORT).show();

			break;

		case R.id.spMainModelSubName:
			
			Toast.makeText((parent.getContext()), "Second Spinner. id:  " +
					 parent.getItemAtPosition(pos).toString(), Toast.LENGTH_SHORT).show();
			break;
		}

	}