function promptEmail() {
  var subject="New Website";
  var body="Check out <a href=\"http://www.galstonequestrianclub.org.au/\">Galston Equestrian Club</a> - I had a look at it and think it's excellent";
  var email = prompt("Enter your friend's email address");
  if (email!=null && email!="") window.location = "mailto:"+email+"?subject="+subject+"&body="+body;
}