traking post

#coding: utf-8
require 'mechanize'
BarCode = ["RA527000858CN","RA527000858CN"]

BarCode.each do |f|
agent = Mechanize.new
uri = 'http://russianpost.ru/resp_engine.aspx?Path=rp/servise/ru/home/postuslug/trackingpo'
page = agent.post(uri, {'BarCode' => f,'searchsign' => 1})
last=page.search('div.container7 table.pagetext tbody tr:last')
data = [last.at_css("td[1]"), last.at_css("td[2]"),last.at_css("td[5]")]
begin
  puts "\nКод: #{f}"
  puts "Операция: #{data[0].inner_text}"
  puts "Дата:   #{data[1].inner_text}"
  puts "Отрибуты: #{data[2].inner_text}"
rescue
puts "Ошибка"
end
end