大大们帮忙看看这段JS如何加下延迟1秒显示提示 _JavaScript

大大们帮忙看看这段JS怎么加上延迟1秒显示提示
初学JS，网上找了一段JS，想自己改一改，加上个鼠标悬停后，延迟显示提示层，但是自己改了几次，都不成功哦，才疏学浅啊，请大家帮帮忙吧。
HTML code

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
    <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
    <title>Coda Bubble Example</title>
    <style type="text/css">
    <!--
        * {margin: 0;padding: 0;}
        body {padding: 10px;}
        h1 {margin: 14px 0;font-family: 'Trebuchet MS', Helvetica;}
        p {margin: 14px 0;font-family: 'Trebuchet MS', Helvetica;}
        .bubbleInfo {float:left;position: relative;width: 100px;}
        .trigger {position: absolute;}
        /* Bubble pop-up */
        .popup {
            position: absolute;
            display: none;
            z-index: 50;
            border-collapse: collapse;
        }    
    -->
    </style>
<script type="text/javascript" src="http://www.codefans.net/ajaxjs/jquery1.3.2.js"></script>
    <script type="text/javascript">
    <!--
    $(function () {
        $('.bubbleInfo').each(function () {
            var distance = 10;
            var time = 250;
            var hideDelay = 200;
            var hideDelayTimer = null;

            var beingShown = false;
            var shown = false;
            var trigger = $('.trigger', this);
            var info = $('.popup', this).css('opacity', 0);


            $([trigger.get(0), info.get(0)]).mouseover(function () {
                if (hideDelayTimer) clearTimeout(hideDelayTimer);
                if (beingShown || shown) {
                    // don't trigger the animation again
                    return;
                } else {
                    // reset position of info box
                    beingShown = true;

                    info.css({
                        top: 25,
                        left: 15,
                        display: 'block'
                    }).animate({
                        top: '-=' + distance + 'px',
                        opacity: 1
                    }, time, 'swing', function() {
                        beingShown = false;
                        shown = true;
                    });
                }
                return false;
            }).mouseout(function () {
                if (hideDelayTimer) clearTimeout(hideDelayTimer);
                hideDelayTimer = setTimeout(function () {
                hideDelayTimer = null;
                    info.animate({
                        top: '-=' + distance + 'px',
                        opacity: 0
                    }, time, 'swing', function () {
                        shown = false;
                        info.css('display', 'none');
                    });
                }, hideDelay);
                return false;
            });
        });
    });
    //-->
    </script>
</head>
<body>
<ul>
<li class="bubbleInfo"><a class="trigger" href="http://www.baidu.com">111</a>
    <span class="popup">
        <a title="Read the release notes" href="./releasenotes.html">release notes</a><br><img src="http://www.baidu.com/img/baidu_sylogo1.gif"/>
    </span>
</li>
<li class="bubbleInfo"><a class="trigger" href="http://www.baidu.com">222</a>
    <span class="popup">
        <a title="Read the release notes" href="./releasenotes.html">release notes11222</a>
    </span>
</li>
<li class="bubbleInfo"><a class="trigger" href="http://www.baidu.com">333</a>
    <span class="popup">
        <a title="Read the release notes" href="./releasenotes.html">release note3333</a>
    </span>
</li>
</ul>
</body>
</html>