<SCRIPT LANGUAGE="JavaScript"> <!-- function checkOS() { if(navigator.userAgent.indexOf('IRIX') != -1) { var OpSys = "Irix"; } else if((navigator.userAgent.indexOf('Win') != -1) && (navigator.userAgent.indexOf('95') != -1)) { var OpSys = "Windows95"; } else if(navigator.userAgent.indexOf('98') != -1) { var OpSys = "Windows98 or WindowME."; } else if(navigator.userAgent.indexOf('Win') != -1) { var OpSys = "Windows3.1 or NT"; } else if(navigator.userAgent.indexOf('Mac') != -1) { var OpSys = "Macintosh"; } else { var OpSys = "other"; } return OpSys; } // --> </SCRIPT>

<script> <!-- document.write (" เครื่อง COMPUTER ของคุณใช้ 0S : "); var OpSys = checkOS(); document.write( OpSys ); //--> </script>