#slideshow {position: fixed; right: 0; top: 0; margin: 0 0 0 0; z-index: 1; width: 100%}

#slideshow img {
    position:absolute;
    top:0;
    left:0;
    z-index:1;
    width: 100%;
}

#slideshow IMG.active {
    z-index:3;
}

#slideshow IMG.last-active {
    z-index:2;
}