function sAlert(str) {
    var msgw, msgh, bordercolor;
    msgw = 500; //提示窗口的宽度
    msgh = 410; //提示窗口的高度
    titleheight = 25 //提示窗口标题高度
    bordercolor = "#c51100"; //提示窗口的边框颜色
    titlecolor = "#c51100"; //提示窗口的标题颜色

    var sWidth, sHeight;
    sWidth = screen.width;
    sHeight = document.body.scrollHeight;
    var bgObj = document.createElement("div");
    bgObj.setAttribute('id', 'bgDiv');
    bgObj.style.position = "absolute";
    bgObj.style.top = "0";
    bgObj.style.background = "#cccccc";
    bgObj.style.filter = "progid:DXImageTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75";
    bgObj.style.opacity = "0.6";
    bgObj.style.left = "0";
    bgObj.style.width = sWidth + "px";
    bgObj.style.height = sHeight + "px";
    bgObj.style.zIndex = "10000";
    document.body.appendChild(bgObj);

    var msgObj = document.createElement("div")
    msgObj.setAttribute("id", "msgDiv");
    msgObj.setAttribute("align", "center");
    msgObj.style.background = "white";
    msgObj.style.border = "1px solid " + bordercolor;
    msgObj.style.position = "absolute";

    msgObj.style.left = "50%";
    msgObj.style.top = "30%";
    msgObj.style.font = "18px/1.6em 微软雅黑,宋体";
    msgObj.style.marginLeft = "-225px";
    msgObj.style.marginTop = -75 + document.documentElement.scrollTop + "px";
    msgObj.style.width = msgw + "px";
    msgObj.style.height = msgh + "px";
    msgObj.style.textAlign = "center";
    msgObj.style.lineHeight = "25px";
    msgObj.style.zIndex = "10001";

    var opt = document.createElement("span");
    opt.setAttribute("id", "opt");
    opt.setAttribute("align", "left");
    opt.style.padding = "3px";
    opt.style.color = "#454545";
    opt.style.fontSize = "12";
    opt.innerHTML = "<input type='checkbox' id='opt' onclick='setCookie(\"tgb\",\"1\",\"30\")'/>知道了";

    var title = document.createElement("h4");
    title.setAttribute("id", "msgTitle");
    title.setAttribute("align", "right");
    title.style.margin = "0";
    title.style.padding = "8px";
    title.style.background = bordercolor;
    title.style.filter = "progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100);";
    title.style.opacity = "0.75";
    title.style.border = "1px solid " + bordercolor;
    title.style.height = "18px";
    title.style.font = "14px Verdana, Geneva, Arial, Helvetica, sans-serif";
    title.style.color = "white";
    title.style.cursor = "pointer";
    title.innerHTML = "关闭";
    title.onclick = function() {
        document.body.removeChild(bgObj);
        document.getElementById("msgDiv").removeChild(title);
        document.getElementById("msgDiv").removeChild(opt);
        document.body.removeChild(msgObj);
    }
    document.body.appendChild(msgObj);
    document.getElementById("msgDiv").appendChild(title);
    var txt = document.createElement("div");
    txt.style.padding = "0px 15px"
    txt.setAttribute("id", "msgTxt");
    txt.innerHTML = str;
    document.getElementById("msgDiv").appendChild(txt);
    document.getElementById("msgDiv").appendChild(opt);
}

function popupwd() {
    var str = '<p style="font-size:28px;color:red; font-weight:bold;font-family:华文中宋;">重要通知</p>';
    str += '<p style="text-align:left">'
    str += '尊敬的会员单位，各位朋友：<br/>&nbsp;&nbsp;&nbsp;&nbsp;南京人事人才网因服务器机房搬迁、线路升级改造，定于<font color=red>3月2日（周三）17:40--21:00</font>暂停服务，届时网站将无法访问。请大家提前做好安排！给您带来不便，我们深表歉意！<br/><br/>&nbsp;&nbsp;&nbsp;&nbsp;感谢您的理解和支持！';
    str += '</p>';
    str += '<p style="text-align:right;font-size:12;">'
    str += '南京人事人才网<br>';
    str += '2011年3月1日';
    str += '</p>';
    sAlert(str);
}