private static HttpWebRequest BuildInitialSiteRequest()
{
Uri url = new Uri(loginUrl);
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
request.Timeout = 30000;
request.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 (.NET CLR 3.5.30729)";
request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
request.Headers.Add("Accept-Language", "en-us,en;q=0.5");
request.Headers.Add("Accept-Charset", "ISO-8859-1,utf-8;q=0.7,*;q=0.7");
request.Headers.Add("Keep-Alive", "300");
request.Referer = "http://login.microsoftonline.com/";
request.ContentType = "application/x-www-form-urlencoded";
request.CookieContainer = new CookieContainer();
request.Method = WebRequestMethods.Http.Get;
return request;
}