function isEmailAddr(email)
{
  var result = false
  var theStr = new String(email)
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function FormValidator(feedback_email)
{
	
	 if (feedback_email.first_name.value == "")
  {
    alert("Please enter a name in the first name field.");
    feedback_email.first_name.focus();
    return (false);
  }
	
	
  if (feedback_email.surname.value == "")
  {
    alert("Please enter a name in the surname field.");
    feedback_email.surname.focus();
    return (false);
  }
  
  if (feedback_email.country.value == "")
  {
    alert("Please enter the name of your country.");
    feedback_email.country.focus();
    return (false);
  }
  
	  
   if (feedback_email.phone.value == "")
  {
    alert("Please enter your phone number in the phone field.");
    feedback_email.phone.focus();
    return (false);
  }
     if (feedback_email.enquiry.value == "")
  {
    alert("Please enter your enquiry.");
    feedback_email.enquiry.focus();
    return (false);
  }
  
  if (feedback_email.email.value == "")
  {
    alert("Please enter a value for the email field.");
    feedback_email.email.focus();
    return (false);
  }

 
  if (!isEmailAddr(feedback_email.email.value))
  {
    alert("Please enter a complete email address in the form: yourname@yourdomain.com");
    feedback_email.email.focus();
    return (false);
  }
   
  if (feedback_email.email.value.length < 3)
  {
    alert("Please enter at least 3 characters in the \"email\" field.");
    feedback_email.email.focus();
    return (false);
  }
  return (true);
}