langrid scraper for back-translation

langrid2.rb

# coding: utf-8

require 'watir'
require 'pp'

# !!! EDIT HERE !!!
userid = ''
password = ''
language = 'ja' # 'ja' or 'en'
topic_id = 
# !!! KOKOMADE !!!

navi = {'ja' => ['原文編集', '翻訳'], 'en' => ['Pre-edit', 'Translate']}

browser = Watir::Browser.new
browser.goto 'http://langrid.org/tools/toolbox'

browser.text_field(:name => 'uname').set userid
browser.text_field(:name => 'pass').set password
browser.form(:name => 'login_form').submit

browser.goto "http://langrid.org/tools/toolbox/modules/forum/?topicId=#{topic_id.to_s}&lang=#{language}&ml_lang=#{language}"

loop do

  links = browser.links(:text => navi[language][0]).length

  links.times do |i| 
    browser.link(:text => navi[language][0], :index => i).click
    browser.button(:text => navi[language][1], :index => 0).click

    text = ''
    loop do 
      sleep 2
      text = browser.div(:class => 'bbs-preview-back-translation-area').text
      break if text != ''
    end

    puts text

    browser.back

    sleep 2
  end

  begin
    browser.link(:text => 'Next >>').click
  rescue Watir::Exception::UnknownObjectException
    break
  end

  sleep 2

end