Background photo cycling

by alano

HTML

<div class="my-widget">
    <img src="http://www.jhocy.com/images/uploads/2c78b7ab2bee9d3bcfa6728bec1dd2c2.jpg" alt="background photo" />
    <img src="http://wvs.topleftpixel.com/photos/beaches_winter_sidewalk_reflection.jpg" alt="background photo" />
    <img src="http://www.bigtravelweb.com/images/venezuala_beach_l.JPG" alt="background photo" />
    <img src="http://i.telegraph.co.uk/multimedia/archive/00673/beaches-winegalss_673076n.jpg" alt="background photo" />
    <p>
        Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed 
        diam nonummy nibh euismod tincidunt ut laoreet dolore magna 
        aliquam erat volutpat. Ut wisi enim ad minim veniam, quis 
        nostrud exerci tation ullamcorper suscipit lobortis nisl ut 
        aliquip ex ea commodo consequat. Duis autem vel eum iriure 
        dolor in hendrerit in vulputate velit esse molestie consequat, 
        vel illum dolore eu feugiat nulla facilisis at vero eros et 
        accumsan et iusto odio dignissim qui blandit praesent luptatum 
        zzril delenit augue duis dolore te feugait nulla facilisi. Nam 
        liber tempor cum soluta nobis eleifend option congue nihil 
        imperdiet doming id quod mazim placerat facer possim assum. 
        Typi non habent claritatem insitam; est usus legentis in iis 
        qui facit eorum claritatem. Investigationes demonstraverunt 
        lectores legere me lius quod ii legunt saepius. Claritas est 
        etiam processus dynamicus, qui sequitur mutationem consuetudium 
        lectorum. Mirum est notare quam littera gothica, quam nunc 
        putamus parum claram, anteposuerit litterarum formas humanitatis 
        per seacula quarta decima et quinta decima. Eodem modo typi, 
        qui nunc nobis videntur parum clari, fiant sollemnes in futurum.
    </p>
</div>

CSS

.my-widget {
    position:relative;
    height:300px;
    width:400px;
}
.my-widget > * {
    position:absolute;
    top:0;
    left:0;
    height:100%;
    width:100%;
}
.my-widget > img {
    display:none;
}
.my-widget p {
    font-family: Arial, Sans-Serif;
    font-weight: bold;
    overflow:hidden;
}

JavaScript

$(window).on("load", function () {
    var $frames = $(".my-widget img"); //var for quick reference
    var frameIdx = 0, $lastFrame, frameCnt = $frames.size();
    showNext();

    function showNext() {
        if ($lastFrame) $lastFrame.fadeOut("slow");
        $lastFrame = $frames.eq(frameIdx).fadeTo("slow", 0.3); //crossfades to 30% opacity
        if (++frameIdx >= frameCnt) frameIdx = 0;
        window.setTimeout(function () { showNext(); }, 4000); //cycle in 4 secs
    }
});