jquery特效分享-一款基于jQuery的仿百度首页滑动选项卡

  <div class="main-page">
        <div class="left">
            <div class="nav-back">
            </div>
            <div class="nav">
                <div class="on">
                    导航</div>
                <div>
                    新闻</div>
                <div>
                    世界杯</div>
                <div>
                    音乐</div>
                <div>
                    彩票</div>
            </div>
        </div>
        <div class="right">
            <div class="content-back">
            </div>
            <div class="content">
                <div>
                    站长素材1</div>
                <div>
                    站长素材2</div>
                <div>
                    站长素材3</div>
                <div>
                    站长素材4</div>
                <div>
                    站长素材5</div>
            </div>
        </div>
        <div class="clear">
        </div>
    </div>

 body
        {
            background: url(images/65.jpg) no-repeat fixed center center;
        }
        .clear
        {
            clear: both;
        }
        .main-page
        {
            margin: 200px auto 0 auto;
            width: 700px;
            height: 300px;
        }
        .main-page .left, .main-page .right
        {
            float: left;
        }
        .main-page .nav-back
        {
            width: 60px;
            height: 300px;
            background: #000;
            opacity: .3;
            filter: alpha(opacity=30);
        }
        .main-page .nav
        {
            position: relative;
            margin-top: -300px;
            width: 60px;
            text-align: center;
            font-size: 14px;
            font-family: "微软雅黑";
            color: #fff;
        }
        .main-page .nav div
        {
            height: 32px;
            line-height: 28px;
        }
        .main-page .nav div.on
        {
            background: #0094ea;
        }
        .main-page .right
        {
            width: 620px;
            height: 300px;
            margin-left: 20px;
        }
        .main-page .content-back
        {
            width: 620px;
            height: 300px;
            background: #fff;
            opacity: .3;
        }
        .main-page .content
        {
            position: relative;
            width: 600px;
            height: 280px;
            margin-top: -300px;
            padding: 10px;
            overflow: hidden;
        }
        .main-page .content div
        {
            width: 600px;
            height: 280px;
            margin-bottom: 10px;
            background: #fff;
        }

  $(".main-page .nav div").mouseenter(function () {
            var $this = $(this);
            var index = $this.index();
        }).mouseleave(function () {
            var $this = $(this);
            var index = $this.index();
        }).click(function () {
            var $this = $(this);
            var index = $this.index();
            var l = -(index * 290);
            $(".main-page .nav div").removeClass("on");
            $(".main-page .nav div").eq(index).addClass("on");
            $(".main-page .content div:eq(0)").stop().animate({ "margin-top": l }, 500);
        });