if ((navigator.appName.indexOf('Netscape') == -1 &&
     navigator.userAgent.indexOf('MSIE') == -1) ||
     parseFloat(navigator.appVersion) < 4.0) {
  if (navigator.appName.indexOf('Mac') != -1)
	window.location = "/misc/brs001mac.html";
  else
	window.location = "/misc/brs001win.html";
}