var showad = true;
var Toppx = 60;   //上端位置
var AdDivW = 100;  //宽度
var AdDivH = 360;  //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:red;text-decoration:none;font-size:12px;">关闭</a></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;
  
  
  return;
 }
 var Borderpx = ((window.screen.width-PageWidth)/2-AdDivW)/2;

}

function hidead()
{
 showad = false;
 
}
window.onscroll=scall;
window.onresize=scall;
window.onload=scall;