//* div_over 页面显示层在5秒或更多时间后关闭
//function tophid()
//{
//    document.getElementById("div_over").style.display = "none";//隐藏该层
//}
//setTimeout("tophid()",10000);//5秒后关闭;


//document.write('<div id="div_over" style=" position:absolute; z-index:99999; left:0; width:100%; height:250px; text-align:center"><iframe src="http://www.iaechina.net.cn/bigbanner.html" frameborder="0" scrolling="no" width="980" height="100%" allowTransparency="true"></iframe></div>');
//document.write('<style>#iaechina #div_over iframe{ margin:0 0 0 -17px}</style>');