var showad = true;
var Toppx = 115;   //上端位置
var AdDivW = 75;  //宽度
var AdDivH = 391;  //高度
var PageWidth = 868; //页面多少宽度象素下正好不出现左右滚动条
var MinScreenW = 975; //显示广告的最小屏幕宽度象素 
var ClosebuttonHtml = ''
var AdContentHtml = '<P><A href="http://www.hlty2008.com/newsdetail.asp?id=6912"><IMG src="/upfile/20080904150616230.gif" border=0></A></P>';
var AdContentHtml2 = '<P align=right><A href="http://www.hlty2008.com/newsdetail.asp?id=6912"><IMG src="/upfile/20080904150637785.gif" border=0></A></P>';
AdContentHtml2+="<div></div>";

document.write ('<div id="Javascript.LeftDiv" style="position: absolute;border: 0px solid #336699;z-index:1000;width:'+AdDivW+'px;height:'+AdDivH+'px;top:-1000px;word-break:break-all;display:none;">'+ClosebuttonHtml+'<div>'+AdContentHtml+'</div></div>');
document.write ('<div id="Javascript.RightDiv" style="position: absolute;border: 0px solid #336699;z-index:1000;width:'+AdDivW+'px;height:'+AdDivH+'px;top:-1000px;word-break:break-all;display:none;">'+ClosebuttonHtml+'<div>'+AdContentHtml2+'</div></div>');
function scall(){
 if (document.body.offsetWidth<MinScreenW){
  showad = false;
  document.getElementById("Javascript.LeftDiv").style.display="none";
  document.getElementById("Javascript.RightDiv").style.display="none";
  return;
 }else{
 	showad=true;
 }
 if(!showad){return;}
 var Borderpx = ((window.screen.width-PageWidth)/2-AdDivW)/2;

 document.getElementById("Javascript.LeftDiv").style.display="";
 document.getElementById("Javascript.LeftDiv").style.top=document.body.scrollTop+Toppx;
 document.getElementById("Javascript.LeftDiv").style.left=document.body.scrollLeft+Borderpx;
 document.getElementById("Javascript.RightDiv").style.display="";
 document.getElementById("Javascript.RightDiv").style.top=document.body.scrollTop+Toppx;
 document.getElementById("Javascript.RightDiv").style.left=document.body.scrollLeft+document.body.clientWidth-document.getElementById("Javascript.RightDiv").offsetWidth-Borderpx;
}

function hidead()
{
 showad = false;
 document.getElementById("Javascript.LeftDiv").style.display="none";
 document.getElementById("Javascript.RightDiv").style.display="none";
}
window.onscroll=scall;
window.onresize=scall;
window.onload=scall;