(function () {
    "use strict";

    $(document).ready(function () {
        var interval,
            s = 2,
            p = 1;

        $('img.slide1').show();

        interval = setInterval(function () {
            $('img.slide' + p).fadeOut(700, function () {
                $('img.slide' + s).fadeIn(700);
                if (s === 6) {
                    s = 1;
                    p = 6;
                } else if (p === 6) {
                    s = 2;
                    p = 1;
                } else {
                    s += 1;
                    p += 1;
                }
            });
        }, 5000);
    });
}());