def post_form_with_net_http(url,params)
      Net::HTTP.post_form(url, params)
    end
    
    def post_form_with_curl(url,params,multipart=false)
      response = Curl::Easy.http_post(url.to_s, *to_curb_params(params)) do |c|
        c.multipart_form_post = multipart
        c.timeout = Facebooker.timeout 
      end
      response.body_str
    end