统计浏览次数JS代码

<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
    <title>New Page 5</title>
    <meta name="GENERATOR" content="Microsoft FrontPage 3.0">
    <script language="JavaScript" src="static/jquery/jquery-1.8.2.min.js"></script>
    <script language="JavaScript">
        <!--
        var caution = false;
        function setCookie(name, value, expires, path, domain, secure) {
            var curCookie = name + "=" + escape(value) +
                    ((expires) ? "; expires=" + expires.toGMTString() : "") +
                    ((path) ? "; path=" + path : "") +
                    ((domain) ? "; domain=" + domain : "") +
                    ((secure) ? "; secure" : "");
            if (!caution || (name + "=" + escape(value)).length <= 4000)
                document.cookie = curCookie;
            else if (confirm("Cookie exceeds 4KB and will be cut!"))
                document.cookie = curCookie
        }
        function getCookie(name) {
            var prefix = name + "=";
            var cookieStartIndex = document.cookie.indexOf(prefix);
            if (cookieStartIndex == -1)
                return null;
            var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length);
            if (cookieEndIndex == -1)
                cookieEndIndex = document.cookie.length;
            return unescape(document.cookie.substring(cookieStartIndex + prefix.length,
                    cookieEndIndex))
        }
        function deleteCookie(name, path, domain) {
            if (getCookie(name)) {
                document.cookie = name + "=" +
                ((path) ? "; path=" + path : "") +
                ((domain) ? "; domain=" + domain : "") +
                "; expires=Thu, 01-Jan-70 00:00:01 GMT"
            }
        }
        function fixDate(date) {
            var base = new Date(0);
            var skew = base.getTime();
            if (skew > 0)
                date.setTime(date.getTime() - skew)
        }
        var now = new Date();
        fixDate(now);
        now.setTime(now.getTime() + 730 * 24 * 60 * 60 * 1000);
        var visits = getCookie("counter");
        if (!visits)
            visits = 1;
        else
            visits = parseInt(visits) + 1;
        setCookie("counter", visits, now);
        document.write("<font size=6 color=red>欢迎您,您是第:" + visits + " 个访问该站点的访客");
        // -->
        <!--$(function(){-->
            <!--$("#get_num").append(visits);-->
        <!--});-->
    <!--</script>-->
    <!--<style>-->
        <!--.num{font-size: 16px;}-->
        <!--.code{font-size: 20px;color: red}-->
    <!--</style>-->
</head>
<body>
    <!--<div class="num">-->
        <!--&nbsp;&nbsp;有(<span class="code" id="get_num"></span>)人浏览-->
    <!--</div>-->
</body>
</html>

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