function getCities(countries, cnId, lng, headerText) {
  var cities = countries[cnId+'_'+lng+'_publ'].cities;
  $("#city_id").empty();
  if (headerText!=null)
    $('#city_id').append('<option value="">' + headerText + '</option>');
  for (var i = 0; i < cities.length; i++)
    $('#city_id').append('<option value="' + cities[i].id + '">' + cities[i].name + '</option>');
  $('#city_id').resetSS({ddMaxHeight: '200px'});
}