Вопрос по рейтингу

.rating {
    color: #757575;
    font-size: 11px;        /* ! */
    font-family: tahoma;    /* ! */
    width: 115px;
    height: 22px;
}
.unit-rating {
    list-style: none;
    margin: 0px;
    padding: 0px;
    width: 115px;
    height: 22px;
    position: relative;
    background-image: url(../dleimages/rating.png);
    background-position: top left;
    background-repeat: repeat-x;
}
.unit-rating li {
    text-indent: -90000px;
    padding: 0px;
    margin: 0px;
    float: left;
    list-style-type: none;
}
.unit-rating li a {
    display: block;
    width: 23px;
    height: 22px;
    text-decoration: none;
    text-indent: -9000px;
    z-index: 17;
    position: absolute;
    padding: 0px;
}
.unit-rating li a:hover {
    background-image: url(../dleimages/rating.png);
    background-position: left center;
    z-index: 2;
    left: 0px;
}
.unit-rating a.r1-unit { left: 0px; }
.unit-rating a.r1-unit:hover { width: 23px; }
.unit-rating a.r2-unit { left: 23px; }
.unit-rating a.r2-unit:hover { width: 46px; }
.unit-rating a.r3-unit { left: 46px; }
.unit-rating a.r3-unit:hover { width: 69px; }
.unit-rating a.r4-unit { left: 69px; }    
.unit-rating a.r4-unit:hover { width: 92px; }
.unit-rating a.r5-unit { left: 92px; }
.unit-rating a.r5-unit:hover { width: 115px; }
.unit-rating li.current-rating  {
    background-image: url(../dleimages/rating.png);
    background-position: left bottom;
    position: absolute;
    height: 22px;
    display: block;
    text-indent: -9000px;
    z-index: 1;
}