private static void SubmitCookies(CookieContainer cookies)
{
var w = WebRequest.Create("https://steamcommunity.com/") as HttpWebRequest;
if (w == null) return;
w.Method = "POST";
w.ContentType = "application/x-www-form-urlencoded";
w.CookieContainer = cookies;
w.ContentLength = 0;
w.GetResponse().Close();
}