// This script simply redirects users to the extended version of the form 
// conditional upon them having a browser which supports JavaScript and is
// capable of running it.  Non-JS browsers will never see this, others, such as
// NS4 will see it but not be redirected.

  var agt=navigator.userAgent.toLowerCase(); 
  var is_major = parseInt(navigator.appVersion); 
  var is_ie   = (agt.indexOf('msie') != -1);
  var redirect = false;

  if (is_ie) redirect = true;				// Redirect IE
  if (is_major > 4) redirect = true;			// Redirect any 5+ browser
  if (redirect) document.location = 'extended.html'