var g = new Gallery();

function Gallery() {

    this.Load = function(id,url) {

        $('#gallery-'+id).html('<img src="'+url+'" border="0" alt="" class="gallery-image-size" />');

    }

    this.Move = function(obj,d) {

        if (d == 0) {

            h = $(obj).next().children().height();
            t = $(obj).next().children().position();

            if (0 < t.top*(-1)) {
                $(obj).next().children().animate({'top':'+=100'}, 200);
            }

        } else {

            h = $(obj).prev().children().height();
            t = $(obj).prev().children().position();

            if (h-200 > t.top*(-1)) {
                $(obj).prev().children().animate({'top':'-=100'}, 200);
            }

        }

    }

}