if (navigator.appName == "Microsoft Internet Explorer")
  {      
     if (-1 != navigator.appVersion.indexOf("Windows", 0))
     {
        document.writeln("<object");
        document.writeln("classid=\"clsid:0246ECA8-996F-11D1-BE2F-00A0C9037DFE\"");
        document.writeln("codebase=\"http://www.truedoc.com/activex/tdserver.cab#version=1,0,0,7\"");
        document.writeln("id=\"TDS\" width=0 height=0");
        document.writeln(">");
        document.writeln("</object>");         
     }
  }