window.addEvent('load', function () {

    if ($('gallery')) {
        var ch = $('content_main').getSize();
        var sh = $('sidebar').getSize();
        var h = ch.y;
        if (sh.y > ch.y) {
            h = sh.y;
        }
        $('gallery').setStyle('height', h);
    }

    $$('.prev').addEvent('click', function (e) {
        e.preventDefault();
        e.stopPropagation()
        mySlideShow.showPrev();
        return false;
    });

    $$('.next').addEvent('click', function (e) {
        e.preventDefault();
        e.stopPropagation()
        mySlideShow.showNext();
        return false;
    });
});