实用的层滑开代码_层和布局特效

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一款实用简洁的层滑开特效代码，鼠标放到“111”上，所对应的层会缓冲展开，过会会自动闭合起来，兼容性好，各位有用到的自己美化一下。

<!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">
<head>
<meta http-equiv="Content-Type" mrc="text/html; charset=gb2312" />
<title>实用的滑开层代码</title>
<script>
var flag=0;
function f_s(id){
       var obj=document.getElementById(id);
       obj.style.display="block";
       obj.style.height="1px"; 
       var changeW=function(){ 	 		
              var obj_h=parseInt(obj.style.height);
              if(obj_h<=160){ 
                     obj.style.height=(obj_h+Math.ceil((160-obj_h)/10))+"px";
              }
              else{ 
              clearInterval(bw1);
              }
       }       
       bw1= setInterval(changeW,1);
	   if(flag>0){
	   	 clearInterval(bw2);
	   }
}
function closeW(id){
		flag++;
       var obj=document.getElementById(id);
       var closeDiv=function(){
clearInterval(bw1);
              var obj_h=parseInt(obj.style.height);
              if(obj_h>1){ 
                     obj.style.height=(obj_h-Math.ceil(obj_h)/10)+"px";
					
              }
              else{
              clearInterval(bw2);
              obj.style.display="none";
              }
       }         
      bw2= setInterval(closeDiv,1);
}
function showDiv(){ 
	var ele = document.getElementById("div1");
	clearInterval(bw1);
	clearInterval(bw2);
	ele.style.display = "block";
	ele.style.height = 160 + "px";	
}
</script>
<style type="text/css">

</style>
</head>
<body>
<div class="c">
<ul>
<li onmouseover="f_s('div1')" onmouseout="closeW('div1')">111</li>
<li>222</li>
<li>333</li>
</ul>
</div>
<div id="div1" style="position:absolute;background:aqua;overflow:hidden;width:970px;display:none" onmouseover="showDiv()" onmouseout="closeW('div1')">000</div>
</body>
</html>

所属频道：层和布局特效/更新时间：2012-11-13

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