def postXmlHttp(uri, xml, use_ssl= true)
  uri = URI.parse(uri)
    Net::HTTP.start(uri.host,uri.port,use_ssl:use_ssl) do |http|
        request  = Net::HTTP::Post.new(uri.path)
        request.body = xml
        response = http.request(request)
        response.body
  end
end