$(document).ready(function() {


$(".fadelogo").gallery({ FadeIn: 500, FadeOut: 500, Delay: 3000, Repeat: true });

$(".observations").gallery({ FadeIn: 600, FadeOut: 600, Delay: 4000, Repeat: true });

});


(function($) {
    $.fn.gallery = function(options) {

        var defaults = {
            FadeIn: 0,
            FadeOut: 1000,
            Delay: 10000,
            Repeat: true
        };
        var options = $.extend(defaults, options);

        return this.each(function() {
            var elements = $(this).children().filter(".galItem");

            elements.hide();
            elements.eq(0).show();

            var next_item = 1;
            var hide_item = 0;
            var t = setTimeout(Fade, options.Delay);

            function Fade() {
                t = clearTimeout();

                if (next_item >= elements.length) {
                    if (!options.Repeat) {
                        return false;
                    }
                    next_item = 0;
                    hide_item = elements.length - 1;
                }

                elements.eq(hide_item).fadeOut(options.FadeOut, function callback() {
                    elements.eq(next_item).fadeIn(options.FadeIn, function callback() {
                        hide_item = next_item;
                        next_item++;
                        if (options.Repeat || next_item < elements.length) {
                            t = setTimeout(Fade, options.Delay);
                        }
                    });
                });
            }

        });

    };
})(jQuery);