document.write("<div id=\"piao_left\" style=\"background-color:#ffffff; margin-top: 180px;padding:0px;  position:absolute;filter: alpha(opacity=80); \">");
document.write("<a href=\"http://www.zgjhjy.com/StudentList.aspx?cna_sid=846058&cna_id=8\" target=\"_blank\"><img alt=\"\" src=\"http://com.zgjhjy.com/images/left.gif\" border=\"0\" /></a>");
document.write("<div style=\"background-color:#f6f6f6; width:135px;height:20px; line-height:22px; text-align:right;font-size:12px\"><a href=\"javascript:closepiao()\">关闭</a></div>");
document.write("</div>");
document.write("<div id=\"piao_right\" style=\"background-color:#ffffff; margin-top: 180px;padding:0px;  position:absolute;filter: alpha(opacity=80); \">");
document.write("<a href=\"http://zhidao.zgjhjy.com\" target=\"_blank\" ><img alt=\"\" src=\"http://com.zgjhjy.com/images/right.gif\" border=\"0\" /></a>");
document.write("<div style=\"background-color:#f6f6f6; width:135px;height:20px; line-height:22px; text-align:right;font-size:12px\"><a href=\"javascript:closepiao()\">关闭</a></div>");
document.write("</div>");

function closepiao(){
		document.getElementById("piao_left").style.display="none";
       	document.getElementById("piao_right").style.display="none";
}
document.getElementById("piao_left").style.top=(document.documentElement.scrollTop)+"px";
document.getElementById("piao_left").style.left="0px";
document.getElementById("piao_right").style.top=(document.documentElement.scrollTop)+"px";
document.getElementById("piao_right").style.right="0px";
document.documentElement.onscroll=function(){
   el=document.getElementById("piao_left");
   el.style.top=(document.documentElement.scrollTop)+"px";
   //el.style.left=((document.documentElement.clientWidth-100)-el.offsetWidth/2)+"px";
   el.style.left="0px";
   
   er=document.getElementById("piao_right");
   er.style.top=(document.documentElement.scrollTop)+"px";
   //el.style.left=((document.documentElement.clientWidth-100)-el.offsetWidth/2)+"px";
   er.style.right="0px";
}