.jssorb01 div, .jssorb01 div:hover, .jssorb01 .av
{
    filter: alpha(opacity=70);
    opacity: .7;
    overflow:hidden;
    cursor: pointer;
    border: #000 1px solid;
}
.jssorb01 div { background-color: gray; }
.jssorb01 div:hover, .jssorb01 .av:hover { background-color: #d3d3d3; }
.jssorb01 .av { background-color: #fff; }
.jssorb01 .dn, .jssorb01 .dn:hover { background-color: #555555; }

.jssora05l, .jssora05r, .jssora05ldn, .jssora05rdn
{
  position: absolute;
  cursor: pointer;
  display: block;
    background: url(../images/a01.png) no-repeat;
    overflow:hidden;
}
.jssora05l { background-position: -10px -40px; }
.jssora05r { background-position: -70px -40px; }
.jssora05l:hover { background-position: -130px -40px; }
.jssora05r:hover { background-position: -190px -40px; }
.jssora05ldn { background-position: -250px -40px; }
.jssora05rdn { background-position: -310px -40px; }