require 'open-uri'
#require 'net/http'
require 'timeout'
class Internet

	@@available=true

	def self.available?
		return @@available if !@@available.nil?

		begin
			index=open('http://www.google.com').read 
			if index.include?('<Title>Google')
				@@available = true
			else
				puts "open('http://www.google.com') returned false"
			end
		rescue Exception => e
			puts "open('http://www.google.com') raised an exception: #{e.to_s}"
			@@available = false
		end
		@@available
	end
end