function Verify(f) {
	// set up params
	var ErrorString  = "";
	if (isBlank(f.RecipientName)) ErrorString += "\n - Recipient Name is required";
	if (isBlank(f.RecipientEmail)) ErrorString += "\n - Recipient E-mail address is required";
	else if (!isBlank(f.RecipientEmail) && testSimpleEmail(f.RecipientEmail)) 
		ErrorString += "\n - Recipient E-mail address is formatted incorrectly";


	if (isBlank(f.SenderName)) ErrorString += "\n - Sender Name is required";

	if (isBlank(f.SenderEmail)) ErrorString += "\n - Sender E-mail address is required";
	else if (!isBlank(f.SenderEmail) && testSimpleEmail(f.SenderEmail)) 
		ErrorString += "\n - Sender E-mail address is formatted incorrectly";
	return errorAlert(ErrorString);
}