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 validateForm(TheForm) {
	// Customize these calls for your form
 // Start ------->
	if (!validRequired(TheForm.lastname,"Last Name"))
		return false;
	if (!validRequired(TheForm.emailaddress,"Email Address"))
		return false;
	// <--------- End
	return true;
}