LPDISPATCH CMUSHclientDoc::Open(LPCTSTR FileName) 
{

//CDocument * pDoc = App.m_pWorldDocTemplate->OpenDocumentFile (FileName);
CDocument * pDoc = App.OpenDocumentFile (FileName);

  if (pDoc)
      return pDoc->GetIDispatch (TRUE);

	return NULL;
}   // end of CMUSHclientDoc::Open