function set_city(city) {
  var t = 0;
  if (city.value.toLowerCase() == t)
  {
    $('delivery_type').textContent = 'курьером';
    $('subway_container').style.display = 'inline';
    $('delivery_day_container').style.display = 'inline';
    $('delivery_time_container').style.display = 'block';
    $('office_container').style.display = 'block';
    $('del_type_desc').innerHTML = del_desc[0];
    $('kuryer_price').innerHTML = kur_price;
    $('total_price').innerHTML = kuryerko_price;
    $('city_container').style.display = 'none';
    $('city_helper').style.display = 'none';
    $('place_index_container').style.display = 'none';
  }
  else
  {
    $('delivery_type').textContent = 'через транспортную компанию';
    $('subway_container').style.display = 'none';
    $('delivery_day_container').style.display = 'none';
    $('delivery_time_container').style.display = 'none';
    $('office_container').style.display = 'none';
    $('del_type_desc').innerHTML = del_desc[1];
    $('kuryer_price').innerHTML = '';
    $('total_price').innerHTML = base_price;
    $('city_container').show();
    $('city_helper').show();
    $('place_index_container').show();
  }
}

function update_city(event)
{
  if (event.keyCode == Event.KEY_RETURN)
  {
    setTimeout('set_city($(\'city\'));', 100);
  }
}