<html>
<head>
<title>定时自动关闭的弹出层广告窗口代码–懒人建站</title>
<style type=”text/css”>
<!–
#sponsorAdDiv {position:absolute; height:1; width:1; top:0; left:0;}
–>
</style>
<SCRIPT LANGUAGE=”JavaScript1.2″>
adTime=5;
chanceAd=1;
var ns=(document.layers);
var ie=(document.all);
var w3=(document.getElementById && !ie);
adCount=0;
function initAd(){
if(!ns && !ie && !w3) return;
if(ie) adDiv=eval(‘document.all.sponsorAdDiv.style’);
else if(ns) adDiv=eval(‘document.layers[“sponsorAdDiv”]’);
else if(w3) adDiv=eval(‘document.getElementById(“sponsorAdDiv”).style’);
randAd=Math.ceil(Math.random()*chanceAd);
if (ie||w3)
adDiv.visibility=”visible”;
else
adDiv.visibility =”show”;
if(randAd==1) showAd();
}
function showAd(){
if(adCount<adTime*10){adCount+=1;
if (ie){documentWidth =document.body.offsetWidth/2+document.body.scrollLeft-20;
documentHeight =document.body.offsetHeight/2+document.body.scrollTop-20;}
else if (ns){documentWidth=window.innerWidth/2+window.pageXOffset-20;
documentHeight=window.innerHeight/2+window.pageYOffset-20;}
else if (w3){documentWidth=self.innerWidth/2+window.pageXOffset-20;
documentHeight=self.innerHeight/2+window.pageYOffset-20;}
adDiv.left=documentWidth-200;adDiv.top =documentHeight-200;
setTimeout(“showAd()”,100);}else closeAd();
}
function closeAd(){
if (ie||w3)
adDiv.display=”none”;
else
adDiv.visibility =”hide”;
}
onload=initAd;
</script>
</head>
<body>
<div id=”sponsorAdDiv” style=”visibility:hidden”>
<table width=”412″ height=”288″ bgcolor=”red”><tr><td>
<table width=”407″ height=”288″ bgcolor=”F0FFF0″><tr><td>
<center>Welcome To CodeFans.NET<BR>本窗口会在5秒后自动关闭</center>
</td></tr></table></td></tr></table></div>
<!–下面只是说明与程序代码无关–>
<div style=”width:95%; height:auto; display:block; margin:0 auto; margin-top:30px; font-size:10pt;
line-height:150%; text-align:center;”>
<br>
<span>本代码由<a href=”http://www.51xuediannao.com” style=”color:#F00;” title=”懒人建站”>懒人建站网
收集整理</a> </span><br>
<a href=”http://www.51xuediannao.com” title=”懒人建站”>懒人建站 http://www.51xuediannao.com</a>
<a href=”http://www.51xuediannao.com” title=”懒人建站”>懒人建站 == 我要学电脑</a>
</div>
</body>
</html>
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