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一个滑动展开/收缩广告实例

2007-08-01 18:52 232 查看
一个滑动展开/收缩广告


<!doctype html public "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">


<html xmlns="http://www.w3.org/1999/xhtml" lang="gb2312">


<head>


<title> 代码实例:滑动展开/收缩广告 </title>


<meta http-equiv="content-type" content="text/html; charset=gb2312" />


<meta name="author" content="XXX,XXX@gmail.com">


<meta name="keywords" content="代码实例:滑动展开/收缩广告" />




<script type="text/javascript">...


var intervalId = null;




function slideAd(id,nStayTime,sState,nMaxHth,nMinHth)...{


this.stayTime=nStayTime*1000 || 3000;


this.maxHeigth=nMaxHth || 90;


this.minHeigth=nMinHth || 1;


this.state=sState || "down" ;


var obj = document.getElementById(id);


if(intervalId != null)window.clearInterval(intervalId);




function openBox()...{


var h = obj.offsetHeight;


obj.style.height = ((this.state == "down") ? (h + 2) : (h - 2))+"px";




if(obj.offsetHeight>this.maxHeigth)...{


window.clearInterval(intervalId);


intervalId=window.setInterval(closeBox,this.stayTime);


}




if (obj.offsetHeight<this.minHeigth)...{


window.clearInterval(intervalId);


obj.style.display="none";


}


}




function closeBox()...{


slideAd(id,this.stayTime,"up",nMaxHth,nMinHth);


}


intervalId = window.setInterval(openBox,10);


}


</script>


</head>


<body style="margin:0;padding:0;font-size:14px;">


<div id="MyMoveAd" style="background:#ff0;height:12px;overflow:hidden;">


<ul>


<li>这里是广告内内容</li>


<li>这里是广告内内容</li>


<li>这里是广告内内容</li>


<li>这里是广告内内容</li>


<li>这里是广告内内容</li>


<li>这里是广告内内容</li>


<li>这里是广告内内容</li>


<li>这里是广告内内容</li>


<li>这里是广告内内容</li>


<li>这里是广告内内容</li>


<li>这里是广告内内容</li>


<li>这里是广告内内容</li>


<li>这里是广告内内容</li>


<li>这里是广告内内容</li>


<li>这里是广告内内容</li>


</ul>


</div>


<p>代码实例:<strong>滑动展开/收缩广告</strong> 请刷新页面,再次观看演示效果</p>




<script type="text/javascript">...


<!--


slideAd('MyMoveAd',2);


-->


</script>


</body>


</html>
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