private string GetPage(string url, string username, string password, string domain)
{
   //Create new Request
   System.Net.HttpWebRequest request = 
      (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(url);
   //Create proxy
   System.Net.WebProxy proxy = System.Net.WebProxy.GetDefaultProxy();
   proxy.Credentials = new System.Net.NetworkCredential(username,password,domain);
   request.Proxy = proxy;
   //Get Response
   System.Net.HttpWebResponse response = 
      (System.Net.HttpWebResponse)request.GetResponse();
   System.IO.Stream stream = response.GetResponseStream();
   //Start reading from the stream
   byte[] buffer = new byte[256];
   string retVal = string.Empty;
   while (stream.Read(buffer,0,256) > 0)
   {
      retVal +=   System.Text.Encoding.ASCII.GetString(buffer);
   }
   stream.Close();
   //Return the output
   return retVal;
}