function goToImg(id) {
    $('bigImg' + id).set('tween', {
        duration: 1500,
        transition: Fx.Transitions.Expo.easeOut,
        link: 'chain'
    });

    var pic = new Image();
    pic.src = document.getElementById('bigImg' + id).src;
    var w = pic.width;
    document.getElementById('bigImg' + id).style.width = "0px";
    document.getElementById('big' + id).style.display = "block";
    document.getElementById('big' + id).style.width = w;
    $('bigImg' + id).tween('width', 0, w);
}

function closeImg(id) {
    $('bigImg' + id).set('tween', {
        duration: 1500,
        transition: Fx.Transitions.Expo.easeOut,
        link: 'chain'
    });

    var pic = new Image();
    pic.src = document.getElementById('bigImg' + id).src;
    var w = pic.width;
    $('bigImg' + id).tween('width', w, 0);
    setTimeout('onTimeout(' + id + ')', 300);
}

function onTimeout(id) {
    document.getElementById('big' + id).style.display = 'none';
}