js图片翻书的效果 帮忙看看


<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>翻书的Js效果</title>
    <script src="js/jquery-1.4.1.js" type="text/javascript"></script>
    <script type="text/javascript" language="javascript">
        $(function () {
            var i = 1;
            $("#right").click(function () {
                i++;
                if (i > 3) {
                    i = 1;
                }
                var roll = $("<div/>", {
                    css: { position: "absolute",
                        border: "solid 1px #999",
                        left: "398px",
                        top: "10px",
                        height: "494px",
                        width: "1px",
                        background: "#fff url(/images/eCX.png) repeat-y -200px 0px"
                    }
                }).appendTo($("#book").parent());
                $(roll).animate({
                    left: "10px",
                    width: "398px",
                    "background-position": "272px 0px"
                }, 1000, function () {
                    $("#right").css({ "background": "url(/images/" + i + ".jpg)" });
                    $(roll).fadeOut(300, function () {
                        $(roll).remove();
                    })
                });
            });
        });
    </script>
</head>
<body>
    <div id="book" style="width:398px;height:494px;background:#ccc;border:solid 6px #ccc;">
        <div id="right" style="width:398px;height:494px;float:left;background:url(/images/1.jpg) no-repeat top left;cursor:pointer;margin-left:1px;text-align:right;">
        <p style="margin-top:470px;font-size:12px;color:#999;">点这翻页</p></div>
    </div>
</body>
</html>图片翻书的效果  ：不是书本摊开翻页的效果，是书本合起来，翻开之后 翻开的页消失， 从网上搜的代码，改动过了效果不是很好 应该是从右边慢慢翻开。帮忙改动改动 谢谢了