// check that the fields are filled out before submitting

function checkFields() {

	var mailReg = /^.+\@.+\..+$/;

	var form = document.forms["recipient"];

	var errStr = "";

	// check required text fields

	var fieldNames = Array("FirstName","LastName");

	var fieldDispl = Array("First Name","Last Name");

	for (i=0;i<fieldNames.length;i++) {

		if (form.elements[fieldNames[i]].value.length < 1)

			errStr += " > " + fieldDispl[i] + "\n";

	}

	// check email address

	if (form.EmailAddress.value.length < 1)

		errStr += " > Email Address\n";

	else if (form.EmailAddress.value.search(mailReg) == -1)

		errStr += " > The format of the email field is incorrect. (ex. name@domain.com)\n";

	// display error message

	if (errStr == "") {

		return true;

	}

	else {

		alert("Please fill out the following fields:\n" + errStr);

		return false;

	}

}