写入cookie后只显示一次的DIV提示框代码

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以下是写入cookie后只显示一次的DIV提示框代码的示例演示效果:

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HTML代码(index.html):

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
    <meta name="keywords" content="JS代码,其他代码,JS广告代码,JS特效代码" />
    <meta name="description" content="此代码内容为写入cookie后只显示一次的DIV提示框代码，属于站长常用代码" />
    <title>写入cookie后只显示一次的DIV提示框代码</title>
    <style>
        .note {
            height: 100px;
            width: 600px;
            background: url(images/tishi.jpg) #FEFFCF 40px 0px no-repeat;
            border: #EDCE7B 1px solid;
        }

        .guanbi {
            float: right;
            font-size: 12px;
            padding: 6px;
        }
    </style>
    <script>
        function cookiesave(n, v, mins, dn, path) {
            if (n) {

                if (!mins) mins = 365 * 24 * 60;
                if (!path) path = "/";
                var date = new Date();

                date.setTime(date.getTime() + (mins * 60 * 1000));

                var expires = "; expires=" + date.toGMTString();

                if (dn) dn = "domain=" + dn + "; ";
                document.cookie = n + "=" + v + expires + "; " + dn + "path=" + path;
            }
        }
        function cookieget(n) {
            var name = n + "=";
            var ca = document.cookie.split(';');
            for (var i = 0; i < ca.length; i++) {
                var c = ca[i];
                while (c.charAt(0) == ' ') c = c.substring(1, c.length);
                if (c.indexOf(name) == 0) return c.substring(name.length, c.length);
            }
            return "";
        }
        function closeclick() {
            document.getElementById('note').style.display = 'none';
            cookiesave('closeclick', 'closeclick', '', '', '');
        }
        function clickclose() {
            if (cookieget('closeclick') == 'closeclick') {
                document.getElementById('note').style.display = 'none';
            } else {
                document.getElementById('note').style.display = 'block';
            }
        }
        window.onload = clickclose;
    </script>
</head>
<body>
    <div id="note" class="note" style="display:none;">
        <div><a href="#" onclick="closeclick()" class="guanbi"><img src="images/close-note.gif" border="0" /></a></div>
    </div>
</body>
</html>

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