void SaveFunctions_Click(object sender, RoutedEventArgs e)
{
SaveFunctions.Content = "Saving ...";
var uri = new Uri(HtmlPage.Document.DocumentUri, "/Script/save");
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri);
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.BeginGetRequestStream(new AsyncCallback(SaveFunctions_RequestProceed), request);
}