.jssorb21 {
    position: absolute;
}
.jssorb21 div, .jssorb21 div:hover, .jssorb21 .av {
    position: absolute;
    /* size of bullet elment */
    width: 19px;
    height: 19px;
    text-align: center;
    line-height: 19px;
    color: white;
    font-size: 12px;
    background: url(/images/b21.png) no-repeat;
    overflow: hidden;
    cursor: pointer;
}
.jssorb21 div { background-position: -5px -5px; }
.jssorb21 div:hover, .jssorb21 .av:hover { background-position: -35px -5px; }
.jssorb21 .av { background-position: -65px -5px; }
.jssorb21 .dn, .jssorb21 .dn:hover { background-position: -95px -5px; }

.jssora21l, .jssora21r {
    display: block;
    position: absolute;
    /* size of arrow element */
    width: 55px;
    height: 55px;
    cursor: pointer;
    background: url(/images/a21.png) center center no-repeat;
    overflow: hidden;
}
.jssora21l { background-position: -3px -33px; }
.jssora21r { background-position: -63px -33px; }
.jssora21l:hover { background-position: -123px -33px; }
.jssora21r:hover { background-position: -183px -33px; }
.jssora21l.jssora21ldn { background-position: -243px -33px; }
.jssora21r.jssora21rdn { background-position: -303px -33px; }