function submitMailingListForm(formObj) {	
	var err = 0;
	var msg = '';
	//check e-mail address
	if (formObj.emailAddress.value == '')
	{
		err++;
		msg = msg + 'You forgot to enter your e-mail address.\n\n';
	}
	var reEmail = /^.+\@.+\..+$/;
	if (!reEmail.test(formObj.emailAddress.value))
	{
		err++;
		msg = msg + 'The address you entered for yourself does not appear to be a valid e-mail address.\nPlease check it and try again.\n\n';
	}
	//if errors were found, display msg
	if (err > 0)
	{
		alert('Error!\n' + err + ' error(s) were found.\n\n' + msg + 'Please correct these and try again.');
		return false;
	}
	popup('http://www.pennsylvaniachronicle.com/listMail/signup.asp?subscriberName=' + formObj.subscriberName.value + '&emailAddress=' + formObj.emailAddress.value + '&categoryID=' + formObj.categoryID.value + '&issueID=' + formObj.issueID.value + '&authorID=' + formObj.authorID.value,'signup',400,250);
	return true;
}

function submitMailingListRemoveForm(formObj) {	
	var err = 0;
	var msg = '';
	//check e-mail address
	if (formObj.emailAddress.value == '')
	{
		err++;
		msg = msg + 'You forgot to enter your e-mail address.\n\n';
	}
	var reEmail = /^.+\@.+\..+$/;
	if (!reEmail.test(formObj.emailAddress.value))
	{
		err++;
		msg = msg + 'The address you entered for yourself does not appear to be a valid e-mail address.\nPlease check it and try again.\n\n';
	}
	//if errors were found, display msg
	if (err > 0)
	{
		alert('Error!\n' + err + ' error(s) were found.\n\n' + msg + 'Please correct these and try again.');
		return false;
	}
	popup('http://www.pennsylvaniachronicle.com/listMail/unsubscribe.asp?subscriberName=' + formObj.subscriberName.value + '&emailAddress=' + formObj.emailAddress.value + '&categoryID=' + formObj.categoryID.value + '&issueID=' + formObj.issueID.value + '&authorID=' + formObj.authorID.value,'signup',400,250);
	return true;
}