.desSlideshow{
    background-position: center center;
    background-repeat: no-repeat;
}
.desSlideshow .switchBigPic,.desSlideshow .nav{
    display: none;
}

div.switchBigPic a:hover img
{
opacity:0.7;
filter: alpha(opacity=70);
-ms-filter: "alpha( opacity=70 )";
background: #FFC;
}