function divHdWrite(){
    //divStr 是漂浮在网页顶部的一个提示说明页面
   divStr = '<table width="100%" border="0" cellpadding="0" cellspacing="0" style="background:#e91c23;">' +
    '<tr><td align="center">' +
    '<img src="http://www.job36.com/gala/2012/0101/0102.jpg"  width="966" height="82" border="0" style="margin-left:10px;"/>' +
    '<td width="10" align="right" valign="top">' +
    '<img src="http://www.job36.com/imgs/ico_underDivHdColse.gif" style="cursor:hand;margin:5px 5px 0px 0px;" onClick="deleteDivHd();" alt="关闭提示">' +
    '</td></tr></table>';
    var divHd = document.createElement("DIV");
    divHd.id = 'divHd';
    divHd.style.clear = 'both';
    divHd.style.height = '82px';
    divHd.style.margin = '0px auto 2px auto';
    divHd.style.overflow = 'hidden';
    divHd.style.textAlign = 'center';
    divHd.style.backgroundColor = '#fff';
    divHd.style.borderBottomWidth = '0px';
    divHd.style.borderBottomStyle = 'solid';
    divHd.style.borderBottomColor = '#9F9F9F';
    divHd.innerHTML = divStr;
    document.body.appendChild(divHd);
//winopen=window.open("http://www.job36.com/public/wuhan.html","tonggao","width=400,height=320,left=3,top=95");
} 

function deleteDivHd(){
    var d = document.getElementById('divHd');
    var h = d.offsetHeight;
    function dmove(){
        h -= 2;//设置层收缩的速度webjx.com
        if (h <= 0) {
           d.parentNode.removeChild(d);
            clearInterval(iIntervalId);
        } else {
            d.style.height = h + 'px';
        }
    }
    iIntervalId = setInterval(dmove, 2);
   
}


divHdWrite();