.nv-pager a.next {
    background:transparent url("images/gotonext.gif") no-repeat right center;
    border:0pt none;
    cursor:pointer;
    float:left;
    margin-left:10px;
    display:block;
    height:25px;
    width:26px;
}

.nv-pager a.prev {
    background:transparent url("images/gotoprev.gif") no-repeat  left center;
    border:0pt none;
    cursor:pointer;   
    display:block;
    float:left;
    height:25px;
    width:26px;   
}