$(document).ready(function() {
    initTestimonials();
});

var _currentTestimonial = 0;
var _numberOfTestimonials = 0;
var _testimonialDelay = 8000;

function initTestimonials() {
    _numberOfTestimonials = $("#testimonials div.testimonial").length;

    toggleTestimonial();
}

function toggleTestimonial() {
    if (_currentTestimonial > 0) {
        getTestimonialByIndex(_currentTestimonial).fadeOut('fast', function() { fadeInTestimonial() });
    }
    else {
        fadeInTestimonial();
    }
}

function fadeInTestimonial() {
    _currentTestimonial++;
    if (_currentTestimonial > _numberOfTestimonials) {
        _currentTestimonial = 1;
    }

    getTestimonialByIndex(_currentTestimonial).fadeIn('slow');

    setTimeout(function() { toggleTestimonial(); }, _testimonialDelay);
}

function getTestimonialByIndex(index)
{
    return $("#testimonials div.testimonial:eq(" + (_currentTestimonial - 1) + ")");
}