var showad = true;
var Toppx = 50;			//上端位置
var AdDivW = 100;		//宽度
var AdDivH = 200;		//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 = 1024;	//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:#000000;text-decoration:none;font-size:12px;">关闭</a></div>'
var AdContentHtmlL = '<div align="center"><a href="213"><embed src=sh.swf quality=high pluginspage=http://www.macromedia.com/go/getflashplayer type=application/x-shockwave-flash height=200 width=100></embed></a></div>';
var AdContentHtmlR = '<div align="center"><a href="213"><embed src=sh.swf quality=high pluginspage=http://www.macromedia.com/go/getflashplayer type=application/x-shockwave-flash height=200 width=100></embed></a></div>';
document.write ('<div id="Javascript.LeftDiv" style="position: absolute;border: 1px solid #336699;background-color:#EEEEE2;z-index:1000;width:'+AdDivW+'px;height:'+AdDivH+'px;top:-1000px;word-break:break-all;display:none;">'+ClosebuttonHtml+'<div>'+AdContentHtmlL+'</div></div>');
document.write ('<div id="Javascript.RightDiv" style="position: absolute;border: 1px solid #336699;background-color:#EEEEE2;z-index:1000;width:'+AdDivW+'px;height:'+AdDivH+'px;top:-1000px;word-break:break-all;display:none;">'+ClosebuttonHtml+'<div>'+AdContentHtmlR+'</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;