fetch images from imagegateway with watir

fifi.rb

#!/usr/bin/env ruby
#
# fifi.rb: fetch images from imagegateway (CANON iMAGE GATEWAY)
#
# Copyright (C) 2010 TAKATSU Tomonari <tota@rtfm.jp>
# Distributed under the modified BSD license
#

require 'rubygems'
require 'watir'
require 'open-uri'

if ARGV.size != 2
  STDERR.print "Usage: #{File.basename($0)} url password\n"
  exit(-1)
end

url = ARGV[0]
passwd = ARGV[1]
#Watir::Browser.default = 'firefox'
b = Watir::Browser.new
b.goto(url)
b.text_field(:name, 'password').set(passwd)
b.link(:xpath, "/html/body/form/div/div/div/table/tbody/tr/td/table[2]/tbody/tr/td[2]/div/a").click # ie
b.link(:xpath, "//img[@src='/ph/OPA/image/menu_btn_download.gif']/..").click
b.link(:xpath, "/html/body/form/div/div[3]/div/div[4]/a").click

1.step(b.div(:id, "column_AEGI_F03").divs.length/3) {|index|
  f = b.div(:class => "photoThumbnailMargin", :index => index).div(:index, 2).p(:class, "imgName").text
  b.cell(:class => "thumbnailSS", :index => index).image(:alt, "").click
  case Watir::Browser.default
  when 'ie'
    w = Watir::Browser.attach(:title, '')
  when 'firefox'
    sleep 3
    w = Watir::Browser.attach(:title, /jpg/) # hard-coded temporarily
  else
    w = Watir::Browser.attach(:title, '') # not tested
  end
  File.open(f, "wb") {|f| f << open(w.url).read }
  w.close
}