#slideshow_top {
    position:relative;
    height: 260px;
    width: 1100px;
}

#slideshow_top IMG {
    position:absolute;
    top:0;
    left:0;
    z-index:8;
    opacity:0.0;
}

#slideshow_top IMG.active {
    z-index:10;
    opacity:1.0;
}

#slideshow_top IMG.last-active {
    z-index:9;
}