.zpMenuScrollUpActive {
    height: 10px;
    margin: 0px !important;
    padding: 0px !important;
    background: url(../images/scroll_up_active.gif) no-repeat center top;
    /* fix for ie7 issue when width of this element appears 0 */
    width: expression(this . parentNode . clientWidth +   'px');
}

.zpMenuScrollUpInactive {
    height: 10px;
    margin: 0px !important;
    padding: 0px !important;
    background: url(../images/scroll_up_inactive.gif) no-repeat center top;
    /* fix for ie7 issue when width of this element appears 0 */
    width: expression(this . parentNode . clientWidth +   'px');
}

.zpMenuScrollDownActive {
    height: 10px;
    margin: 0px !important;
    padding: 0px !important;
    background: url(../images/scroll_down_active.gif) no-repeat center
        bottom;
    /* fix for ie7 issue when width of this element appears 0 */
    width: expression(this . parentNode . clientWidth +   'px');
}

.zpMenuScrollDownInactive {
    height: 10px;
    margin: 0px !important;
    padding: 0px !important;
    background: url(../images/scroll_down_inactive.gif) no-repeat center
        bottom;
    /* fix for ie7 issue when width of this element appears 0 */
    width: expression(this . parentNode . clientWidth +   'px');
}