$(function () {
    //animacia fotiek
    if ($('#homeblock2 img').length) {
        homepageAnimation();
    }
});

homepageAnimation = function () {
    var fotos = $('#homeblock2 img');
    var randomFotoIdx = (Math.random() * fotos.length * 1000) % fotos.length;
    fotos.eq(randomFotoIdx).fadeTo("fast", 0.60, function () {
        $(this).fadeTo("slow", 1, function () {
            window.setTimeout(homepageAnimation, Math.round(Math.random() * 3000));
        });
    });
}