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 validRequired(formField,fieldLabel)
{
	var result = true;
	
	if (formField.value == "")
	{
		alert('Please enter a value for the "' + fieldLabel +'" field.');
		formField.focus();
		result = false;
	}
	
	return result;
}


function validEmail(formField,fieldLabel,required)
{
	var result = true;
	
	if (required && !validRequired(formField,fieldLabel))
		result = false;

	if (result && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )
	{
		alert("Please enter a complete email address in the form: yourname@yourdomain.com");
		formField.focus();
		result = false;
	}

  return result;

}

function validateForm(theForm)
{
		
	if ((theForm.Name1.value == "") || (theForm.Name1.value == "Your Name")) {
		alert('Please enter your full name!');
		theForm.Name1.focus();
		return false;	
	}
  		
  	if (!validEmail(theForm.Email1,"Email Address",true))
  		return false;
	
	return true;
}

function validateCallback(theForm) {
	
	if (!validRequired(theForm.Name, "Full Name"))
		return false;
		
	if (!validRequired(theForm.Telephone, "Telephone"))
		return false;
		
	if (!validRequired(theForm.Address1, "Street address"))
		return false;
		
	if (!validRequired(theForm.Address2, "District"))
		return false;
		
	if (!validRequired(theForm.Town, "Town/City"))
		return false;
		
	if (!validRequired(theForm.Postcode, "Postcode"))
		return false
		
	return true;
}