收藏一段很好的代码

background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif) no-repeat right -58px;

padding: 0 15px 0 15px;

}

#container #title #tag4 a:hover {

text-decoration: none;

color: #ffffff;

display: block;

width: auto;

background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_left_bk2.gif) no-repeat left -145px;

}

#container #title #tag4 a:hover span{

display: block;

background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif) no-repeat right -145px;

padding: 0 15px 0 15px;

}

#container #title #tag5 a:hover {

text-decoration: none;

color: #ffffff;

display: block;

width: auto;

background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_left_bk2.gif) no-repeat left -174px;

}

#container #title #tag5 a:hover span{

display: block;

background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif) no-repeat right -174px;

padding: 0 15px 0 15px;

}

#container #title .selectli1 {

text-decoration: none;

color: #ffffff;

display: block;

width: auto;

background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_left_bk2.gif) no-repeat left -87px;

}

#container #title a .selectspan1 {

display: block;

background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif) no-repeat right -87px;