限时显示的广告窗口窗口特效__脚本特效

限时显示的广告窗口

时间： 2008-01-15 00:00:38　阅读次数：2945

限时显示的广告窗口

<html>
<head>
<meta http-equiv="Content-Language" content="zh-cn">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>网页特效|www.ffasp.com 飞飞Asp乐园|---限时广告窗口</title>
</head>

<body>

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>
<div id="sponsorAdDiv" style="visibility:hidden">
<table width="450" height="350" bgcolor="008000"><tr><td>
<table width="445" height="345" bgcolor="F0FFF0"><tr><td>
欢迎光临飞飞Asp乐园 网络因你而精彩！<p>　</p>
<p><span lang="zh-cn">进入页面时出现一个窗口，本例显示的时间为8秒！</span></td></tr></table></td></tr></table></div>

</body>

</html>

提示：您可以先修改部分代码再运行