break;

       case IDS_UDP:

           /* USer has set to UDP */

           CheckThisProtoBoxOn(hDlg, IDS_UDP);

           temporary_protocol = iUDP;

           break;

       case IDS_BLOCK:

           /* User has set to blocking mode */

           CheckThisBoxOn(hDlg, IDS_BLOCK);

           temporary_option = 0L;

           break;

       case IDS_NOBLOCK: