// Check for a valid email address
// inspiration for regexp: http://javascript.internet.com/forms/email-validation---basic.html
// changed maximum TLD length to 6 (for .info and .museum)
// rphair Wed Oct 18 18:51:15 GMTDT 2006

function validEmail(form) {
  var entry = form.email.value;

  entry = entry.replace(/^ +/, "");
  entry = entry.replace(/ +$/, "");

  if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,6})+$/.test(entry) || entry == "") {
    return true;
  }
  alert("Invalid email: \"" + entry + "\": please retry");
  form.email.focus();
  return false;
}