function ShowGallery(el) {
    var g = get('gallery');
    var v = get('gallery-view');
    var l = g.getElementsByTagName('IMG');
    for (var i = 1; i < l.length; i++) {
        if (el == l[i]) {
            l[i].className = 'active';
        } else {
            l[i].className = '';
        }
    }
    v.src = el.src.replace('.small.', '.large.');
    get('gallery-description').innerHTML = el.title;
}