ul,li{
                                    padding:0;
                                    margin:0;
                                    list-style:none;}
                                #flashBoxu_u4_{
                                    width:1000px;
                                    height:286px;
                                    border:0px solid #EEE;
                                    position:relative;
                                    margin-left: auto;
                                    margin-right: auto;}
                                #flashBoxu_u4_ img{
                                    /*初始不要显示*/
                                    display:none;
                                    /*用边框来实现空位，因为margin和paading有时会引起些麻烦*/
                                    border:0px solid #FFF;}
                                #flashBoxu_u4_ ul{
                                    position:absolute;
                                    right:7px;
                                    bottom:3px;
                                    font:9px tahoma;}
                                #flashBoxu_u4_ ul li{
                                    display:block;
                                    float:left;
                                    width:12px;
                                    height:12px;
                                    line-height:12px;
                                    margin-right:3px;
                                    border:0px solid #999;
                                    background:#F0F0F0;
                                    text-align:center;
                                    cursor:pointer;}
                                #flashBoxu_u4_ ul li.hover{
                                    border-color:red;
                                    background:#FFE1E1;
                                    color:red;}