$(function() {
    $('#newsletter-signup form input[type=text]').click(function() {
        this.value = '';
    });

    $('#newsletter-signup form input[type=image]').click(function() {
        var input = $('#newsletter-signup form input[type=text]')[0];
        $.post('/newsletter/index/format/html', $('#newsletter-signup form').serializeArray(), function(data) { input.value = data; } );
        return false;
    });
});