var   showad   =   true;   
  var   Toppx   =   80; //上端位置   
  var   AdDivW   =   110; //宽度   
  var   AdDivH   =   270; //高度   
  var   PageWidth   =   800; //页面多少宽度象素下正好不出现左右滚动条   
  var   MinScreenW   =   800; //显示广告的最小屏幕宽度象素   

  var   ClosebuttonHtml   =   '<div   align="right"   style="position:   absolute;top:0px;right:0px;margin:2px;padding:2px;z-index:2000;"><a   href="javascript:;"   onclick="hidead()"   style="color:red;text-decoration:none;font-size:12px;">关闭</a></div>'   
  var   AdContentHtml   =   '<div   align="center"   style="color:green;font-size:23pt;font-family:黑体;"><a   href="/zhaoshang.asp" target="_blank"><img   src="/images/jczhaoshang.gif"></a></div>';
  var   AdContentHtml1   =   '<div   align="center"   style="color:green;font-size:23pt;font-family:黑体;"><a  href="http://web.jchost.net.cn/dadifeiye/index.php" target="_blank"><img   src="/images/index_right.gif"></a></div>';
  <!--原新闻网址id是105,图片是qianye.gif-->

   
  document.write   ('<div   id="Javascript.LeftDiv"   style="position:   absolute;border:   0px   solid   #336699;background-color:#EEEEE2;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;background-color:#EEEEE2;z-index:1000;width:'+AdDivW+'px;height:'+AdDivH+'px;top:-1000px;word-break:break-all;display:none;">'+ClosebuttonHtml+'<div>'+AdContentHtml1+'</div></div>');
  function   scall(){
  if(!showad){return;}   
  if   (window.screen.width<MinScreenW){   
  alert("临时提示：\n\n显示器分辨率宽度小于"+MinScreenW+",不显示广告");   
  showad   =   false;   
  document.getElementById("Javascript.LeftDiv").style.display="none";   
  document.getElementById("Javascript.RightDiv").style.display="none";   
  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;