#slideshow {
    position:relative;
    height:150px;
}
#slideshow DIV {
    position:absolute;
    top:0;
    left:0;
    z-index:8;    
    height: 150px;
}
#slideshow DIV.active {
    z-index:10;   
}
#slideshow DIV.last-active {
    z-index:9;
}
#slideshow DIV IMG {
    height: 150px;
    display: block;
    border: 0;
}