.slider{position:relative;overflow:hidden;}
.conbox{position:absolute;}/*这是必要元素*/
.switcher{position:absolute;bottom:3px;right:5px;float:right;z-index:10;}
.switcher a{
    background:#fff;border:1px solid #6D6D6D;cursor:pointer;float:left;height:18px;line-height:20px;width:18px;margin:2px;text-align:center;color:#8C8C8C;
    filter:alpha(opacity=70);
    -moz-opacity:0.7;
    -khtml-opacity: 0.7;
    opacity: 0.7;
}
.switcher a.cur,.switcher a:hover{background:#8C8C8C;border:1px solid #6D6D6D;height:18px;line-height:20px;width:18px;margin:2px;color:#fff;}