带动画下拉展开的CSS滑动门_菜单导航特效

这个滑动门真的太好了，在雅虎网站扒下来的，会动画展开的滑动门，你见过没？过一段时间会自动合上，在yahoo首页的邮箱登录处有这种效果，有爱好可以比较一下。

<!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>
<title>会展开的滑动门</title>
<meta http-equiv="mrc-type" mrc="text/html;charset=gb2312">
<style type="text/css">
body{ margin:0px; padding:0px; font-size:14px; line-height:18px; color:#111111;}
a:link,a:visited{ display:block; width:90px; height:25px; margin:0px; padding:0px; text-align:center; line-height:25px; font-size:14px; font-weight:bold; text-decoration:none; color:#111111;}
a:hover{ font-size:14px; font-weight:bold; text-decoration:underline; color:#111111;}
#b{ display:block; width:500px; height:500px; margin:0px auto; padding:0px; padding-top:50px;}
#container{ display:block; width:300px; height:117px; margin:0px; padding:0px; background-color:#E8F3FF; border:1px solid #95CAFF; text-align:center; overflow:hidden;}
#nav{ display:block; width:300px; height:30px; margin:0px; margin-top:85px; padding:0px;}
.navB{ display:block; float:left; width:90px; height:25px; background-color:#FFFFFF; border:1px solid #95CAFF; margin:0px; margin-left:6px; padding:0px; text-align:center; line-height:25px;}
.navB_Cur{display:block; float:left; width:90px; height:30px; background-color:#FFFFFF; border:1px solid #95CAFF; border-bottom:none; margin:0px; margin-left:6px; padding:0px; text-align:center; line-height:25px; position:relative; z-index:1000;}
.mrc{ display:none;}
.mrc_Cur{ display:block; width:266px; height:70px; margin:0px; margin-top:0px; margin-left:6px; *margin-left:0px; padding:10px; background-color:#FFFFFF; border:1px solid #95CAFF;}
</style>
</head>
<body>
<div id="b">
  <div id="container">
    <div id="nav">
      <span id="newsBtn" class="navB" onmouseover="changeTab('newsBtn','homeBtn','circleBtn','news','home','circle');" onmouseout="delay();"><a href="#" target="_self">模板无忧</a></span>
	  <span id="homeBtn" class="navB" onmouseover="changeTab('homeBtn','newsBtn','circleBtn','home','news','circle');" onmouseout="delay();"><a href="#" target="_self">最新更新</a></span>
	  <span id="circleBtn" class="navB" onmouseover="changeTab('circleBtn','homeBtn','newsBtn','circle','home','news');" onmouseout="delay();"><a href="#" target="_self">下载排行</a></span>
    </div>
    <div id="news" class="mrc" onmouseout="delay();" onmouseover="removeDelay();">模板无忧提供有质量的源代码下载供学习，希看记住我们的域名：mb5u.com</div>
    <div id="home" class="mrc" onmouseout="delay();" onmouseover="removeDelay();">模板无忧最新更新的软件</div>
    <div id="circle" class="mrc" onmouseout="delay();" onmouseover="removeDelay();">下载排行，睢一瞧……</div>
  </div>
  <div id="tt"></div>
</div>
<script language="javascript">
function $(id)
{
  return document.getElementById(id);
}
var state="closed";
var time=3000;
var openH=222;
var closeH=108;
var activeH=116;
var myMar;
var myDelay;
function openIng(){
  if(activeH!=openH-9){
	activeH+=parseInt((openH-activeH)*0.1);
	$("container").style.height=activeH+"px";
	$("tt").innerHTML=activeH+" | "+closeH;
  }
  else{
    clearInterval(myMar);
	state="opened";
	$("tt").innerHTML=state;
  } 
}
function startOpen(){
    myMar=setInterval(openIng,5);
	state="opening";
}
function closeTab(){
  $("newsBtn").className="navB";
  $("homeBtn").className="navB";
  $("circleBtn").className="navB";
  $("news").className="mrc";
  $("home").className="mrc";
  $("circle").className="mrc";
}
function closeIng(){
  if(activeH!=closeH+9){
	activeH+=parseInt((closeH-activeH)*0.1);
	$("container").style.height=activeH+"px";
	$("tt").innerHTML=activeH+" | "+closeH;
  }
  else{
    clearInterval(myMar);
	closeTab();
	state="closed";
	$("tt").innerHTML=state;
  }
}
function startClose(){
    myMar=setInterval(closeIng,5);
	state="closing";
}
function delay(){
  if(state=="opened"){
    myDelay=setTimeout(startClose,time);
  }
}
function removeDelay(){
  clearTimeout(myDelay);
}
function changeTab(actBtn,sndBtn,thdBtn,actlay,sndlay,thdlay){
  $(actBtn).className="navB_Cur";
  $(sndBtn).className="navB";
  $(thdBtn).className="navB";
  $(actlay).className="mrc_Cur";
  $(sndlay).className="mrc";
  $(thdlay).className="mrc";
  removeDelay();
  if(state=="closed"){
    startOpen();
  }
}
</script>
</body>
</html>

所属频道：菜单导航特效/更新时间：2010-05-22

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