function loadRegions(id) {
  if (id != '-') {
    $.post('ajax.php', {'request': 'loadRegions', 'country_id': id}, function(data) {
      $('select[@name=region]').html(data);
      $('select[@name=region]').removeAttr('disabled');      
    });
  }
}

function loadCitys(id) {
  if (id != '-') {
    $.post('ajax.php', {'request': 'loadCitys', 'region_id': id}, function(data) {
      $('select[@name=city]').html(data);
      $('select[@name=city]').removeAttr('disabled');
    });
  }
}

function setCity(id) {
  if (id != '-') {
    var city = $('option[@value='+id+']').text();
    $('input#city').val(city);
    $('span#set_city').toggle();
    $('span#user_city').toggle();
  }
}