$(document).ready(function() {
    $('input[name=submit_button]').click(function() {
        if($('#id_email').attr('value') == '') {
            $('#newsletter-status').html('You did not enter an email address.'); 
            return;
        }
        sData = 'email='+$('#id_email').attr('value');
        jQuery.post(newsletter_url, sData, newsletter, 'json');
    });
    $('#slideshow').cycle({timeout:3000,next:'#slideshow'});
});

function newsletter(data, textStatus) {
    if (textStatus == 'success') {
        if (data.fail) {
            $('#newsletter-status').html('This is an invalid email address.');
        }
        else {
            $('#newsletter-signup').html('<b>You have been added to the Little Heroes mailing list.</b>');
        }
    }
    else {
        $('#newsletter-signup').html('<b>There was an error. Please reload this page and try again.</b>');
    }
}