#roll a {
display: block;
float: left;
background: url("./../../sections/p/photos/2151276roll.jpg") 0 0 no-repeat;
margin-left: 10px;
}

#roll a:hover {
display: block;
float: left;
background: url("./../../sections/p/photos/2151276roll.jpg") -450px 0 no-repeat;
margin-left: 10px;
}