设置网站自动弹出QQ聊天窗口

<!-- 自动弹出QQ聊天窗口--> 
    <script type="text/javascript">
        setTimeout(PopQQ, 30000);//用户进入网站30秒后弹出QQ交流对话框
        function PopQQ() {
            if(getCookie("popQQ")!="1"){
                var message="<iframe style='display: none;' src='tencent://message/?Menu=yes&amp;amp;uin=800048101&amp;amp;Service=58&amp;amp;SigT=A7F6FEA02730C988A00B19DB1146696D42A916E0D7DF21597064D0B945A9766030C395A8044CAD2F24735410CFE2EE2D1D54F842C879BDA92041EED4F23E59DD78DA8F838867AAE6589E174BB7312F31A18382C39A3257C93CBB85D122F94EDF436D2668830AD693E3A5A3BCE2DF70B82EDFAA6CBA87233B&amp;amp;SigU=30E5D5233A443AB20A0113ED8D344B2D5C98445642264003980D2B9CC419DB653CA3ECEC505E9D9A59138BF75F6898B6F05738244BCA176E2F86E88F62079FFAF4678A30A9ADC2BB'></iframe>";
            
                var p = document.createElement("p");
                p.innerHTML=message; 
                document.body.appendChild(p);
                setCookie("popQQ","1",1)//一天只弹一次
            }
        }
     function getCookie(name) {
        if (document.cookie.length > 0) {
            var start = document.cookie.indexOf(name + "=");
            if (start != -1) {
                start = start + name.length + 1;
                var end = document.cookie.indexOf(";", start);
                if (end == -1) end = document.cookie.length;
                return decodeURIComponent(document.cookie.substring(start, end));
            }
        }
        return "";
    }
    function setCookie(name, value, expiredays) {
        var exdate = new Date();
        exdate.setDate(exdate.getDate() + expiredays);
        document.cookie = name + "=" + escape(value) +
            ("; expires=" + exdate.toGMTString()) +
            ("; path=/");//注意path为网站根目录
    }   
    </script>