<style>
    ul,li,div{padding:0px;margin:0px;list-style:none;}
    #mycont{width:323px;height:height:104px;}
    #mytabnav{width:59px;float:left;}
    #mytabnav li{width:59px;height:26px;line-height:26px;}
    #mytabcont{width:260px;float:left;}
    #mytabcont div{display:none;}
    
    #mytabnav li a{
        display: block;
        text-decoration: none;
        width: 57px;
        height: 25px;
        line-height: 25px;
        text-align: center;
        color: #553F20;
        background-image: url(http://img.alimama.cn/cms/images/1328869531524.gif);
        border-right: 1px solid #C6D8E0;
        border-left: 1px solid #C6D8E0;
        border-top: 1px solid #C6D8E0;
        overflow: hidden;
    }
    #mytabnav li a:hover{
        color: #fff;
        background-color: #FF6600;
        background-image: url(http://img.alimama.cn/cms/images/1324263019208.jpg);
    }
    
    .select_hover{
        color: #fff;
        background-color: #FF6600;
        background-image: url(http://img.alimama.cn/cms/images/1324263019208.jpg);
    }
    
</style>
<div id="mycont">
    <div id="mytabnav">
        <li><a href="#">中年装</a></li>
        <li><a href="#">女装皮草</a></li>
        <li><a href="#">小西装</a></li>
        <li><a href="#">棉衣女</a></li>
    </div>
    <div id="mytabcont">
        <div style="display:block;"><a href="#"><img src="images/znz.jpg" /></a></div>
        <div><a href="#"><img src="images/nzpc.jpg" /></a></div>
        <div><a href="#"><img src="images/xxz.gif" /></a></div>
        <div><a href="#"><img src="images/myn.jpg" /></a></div>
    </div>
</div>
<script src="jquery-1.7.2.min.js"></script>
<script type="text/javascript" >
    //自动变化样式
    $(document).ready(function(){
            $("#mytabnav li").mouseover(function(){
                $(this).addClass("select_hover").siblings().removeClass("select_hover");
                
                var index=$(this).index();
                $("#mytabcont div:eq("+index+")").show().siblings().hide();
            })
    })
    
</script>