function checkBox(){
        if($('professional').hasClassName('selected')){
            $('professional').removeClassName('selected');
        } else {
            $('professional').addClassName('selected');
        }
        return false;
    }

    function addEmail(){
        if($('email_input')){
            var pro = 0;
            if($('professional').hasClassName('selected')){ pro = 1; }
            if(isEmail($('email_input').value)){
                var url = 'add.php';
                var pars = 'email='+$('email_input').value+'&pro='+pro;
                var myAjax = new Ajax.Request(url, { method: 'post', parameters: pars, onComplete: resetIt });
            } else {
                alert('Please enter a valid email address.');
            }
        }
        return false;
    }

    function resetIt(){
        alert('Your email has been added!');
        $('professional').removeClassName('selected');
        $('email_input').value = 'email address';
	pageTracker._trackPageview('/successful_signup');
    }

    function isEmail(addy) {
        var form_value = addy;
        if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form_value)){
            return true;
        } else {
            return false;
        }
    }

function showAbout(){
	$('fade').setOpacity(.5);
	$('fade').show();
	$('aboutBarStalk').show();
	return false;
}

function hideAbout(){
	$('fade').hide();
	$('aboutBarStalk').hide();
	return false;
}