require 'open-uri'
require 'nokogiri'
require 'rubygems'
require 'watir-webdriver'
b = Watir::Browser.new :firefox
b.goto "http://zigzag.github.com/2010/03/31/grep-in-ruby----a-powerful-enumerable-method.html"
##b.text_field(:name => "q").set "Watir"
##b.button(:name => "btnK").click
@full_html = b.text
b.close
@doc = Nokogiri::HTML(@full_html)
puts @doc.xpath('//*[@id="dsq-global-toolbar"]/ul[2]/li[3]/ul/li[2]')