function ShowImage(el) {
    var e = document.getElementById('gallery-large');
    var g = document.getElementById('gallery-thumbs');
    var l = g.getElementsByTagName('IMG');
    for (var i = 0; i < l.length; i++) {
        if (el == l[i]) {
            l[i].className = 'active';
        } else {
            l[i].className = '';
        }
    }
    e.src = el.src.replace('/.tiny.', '/.view.');
}