import cookielib,urllib,urllib2
        cookie = cookielib.CookieJar()
        if proxy is not None:
            opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cookie),proxy)
        else:
            opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cookie))
        urllib2.install_opener(opener)
        headers = {"User-Agent" : "Mozilla/4.0 (compatible; MSIE 5.5; WindowsNT)" }
         login_info=[
        ("Login",login),
        ("Password",password)
        ]
        login_post_data = urllib.urlencode(login_info)
        try:
            login_request=urllib2.Request("http://www.google.com/", login_post_data, headers)
            login_response=str(urllib2.urlopen(login_request).read())