jQuery客戶端分頁

 <script src="/js/jquery-1.4.1.js" type="text/javascript"></script>
    <script type="text/javascript">
        var pageindex = 1;
        var pagesize = 2;
        $(function () {
            previous();
        })
        function previous() {
            if (pageindex < 1 || pageindex == 1) {
                pageindex = 1;
                $("#imgdiv img:lt(" + pagesize + ")").show();
                $("#imgdiv img").not($("#imgdiv img:lt(" + pagesize + ")")).hide();
            }
            else {
                pageindex--;
                if (pageindex != 1) {
                    $("#imgdiv img:gt(" + ((pageindex - 1)  pagesize - 1) + "):lt(" + pagesize + ")").show();
                    $("#imgdiv img").not($("#imgdiv img:gt(" + ((pageindex - 1)  pagesize - 1) + "):lt(" + pagesize + ")")).hide();
                }
                if (pageindex == 1) {
                    $("#imgdiv img:lt(" + pagesize + ")").show();
                    $("#imgdiv img").not($("#imgdiv img:lt(" + pagesize + ")")).hide();
                }
            }
        }
        function next() {
            var p = $("#imgdiv img").length / pagesize;


        var pagecount = parseInt(Math.ceil(p));

        if (pageindex + 1 > pagecount) {
            pageindex = pagecount;
        } else {
            pageindex++;
        }
        $("#imgdiv img:gt(" + ((pageindex - 1) * pagesize - 1) + "):lt(" + pagesize + ")").show();
        $("#imgdiv img").not($("#imgdiv img:gt(" + ((pageindex - 1) * pagesize - 1) + "):lt(" + pagesize + ")")).hide();
    }
</script>

<div>
        <a href="javascript:previous()">上一頁</a>
        <div id="imgdiv">
            <img src="/images/001.jpg" alt="第一頁的第一張"/>
            <img src="/images/002.jpg" />
            <img src="/images/003.jpg" />
            <img src="/images/004.jpg" />
            <img src="/images/005.jpg" /> 
        </div>
        <a href="javascript:next()">下一頁</a>
    </div></pre>