.jssorb01 {
              position: absolute;
          }
          .jssorb01 div, .jssorb01 div:hover, .jssorb01 .av {
              position: absolute;
              width: 12px;
              height: 12px;
              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 {
              display: block;
              position: absolute;
              width: 40px;
              height: 40px;
              cursor: pointer;
              background: url('a17.html') 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; }
          .jssora05l.jssora05ldn { background-position: -250px -40px; }
          .jssora05r.jssora05rdn { background-position: -310px -40px; }