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flash效果展开层、关闭层，并且可以拖动层。
??? 具有动画效果的层展开、层关闭效果，展开后层可以拖动，层里面可以布局任何你想要的东西，用它来制作登录窗口或说明之类的内容效果很好。本段代码可以利用，只需定义CLASS为CONTENT即可。
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<!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" content="text/html; charset=gb2312" />
<title>flash效果展开层、关闭层，并且可以拖动层丨芯晴网页特效丨CsrCode.Cn</title>
<style type="text/css">
body,span,div,td{font-size:12px;line-height:1.5em;color:#849BCA;}
#bodyL{
?float:left;
?width:84px;
?margin-right:2px;
}
a.od{
?width:80px;
?height:25px;
?line-height:25px;
?text-align:center;
?font-weight:bold;
?border: 2px solid #849BCA;
?display:block;
?color:#547BC9;
?float:left;
?text-decoration:none;
?margin-top:2px;
}
a.od:link{
?background:#EEF1F8;
}
a.od:visited{
?background:#EEF1F8;
}
a.od:hover{
?background:#EEE;
}
a.od:active{
?background:#EEE;
}
#fd{
?width:500px;
?height:200px;
?background:#EDF1F8;
?border: 2px solid #849BCA;
?margin-top:2px;
?margin-left:2px;
?float:left;
?overflow:hidden;
?position:absolute;
?left:0px;
?top:0px;
?cursor:move;
?float:left;
?/*filter:alpha(opacity=50);*/
?
}
.content{
?padding:10px;
}
</style>
</head>
<body>
<div id="bodyL">
?<a href="#" class="od" onclick = "show('fd');return false;">打开层</a>
?<a href="#" class="od" onclick = "closeed('fd');return false;">关闭层</a>
</div>
<div id="fd" style="display:none;filter:alpha(opacity=100);opacity:1;">
?<div class="content">移动层<br>这个层是可以拖动的，按着鼠标试试……<br><p align="left">本站『<a href="http://www.CsrCode.cn">芯晴网页特效</a>』收集了许多网络上比较好的网页特效，希望有你所需要的特效。<br>本特效由 <a href="http://www.CsrCode.cn">芯晴网页特效</a>丨CsrCode.Cn 收集于互联网，只为兴趣与学习交流，不作商业用途。</p>
?</div>
</div>
?
<script type="text/javascript">
?var prox;
?var proy;
?var proxc;
?var proyc;
?function show(id){/*--打开--*/
? clearInterval(prox);
? clearInterval(proy);
? clearInterval(proxc);
? clearInterval(proyc);
? var o = document.getElementById(id);
? o.style.display = "block";
? o.style.width = "1px";
? o.style.height = "1px";
? prox = setInterval(function(){openx(o,500)},10);
?}
?function openx(o,x){/*--打开x--*/
? var cx = parseInt(o.style.width);
? if(cx < x)
? {
?? o.style.width = (cx + Math.ceil((x-cx)/5)) +"px";
? }
? else
? {
?? clearInterval(prox);
?? proy = setInterval(function(){openy(o,200)},10);
? }
?}
?function openy(o,y){/*--打开y--*/
? var cy = parseInt(o.style.height);
? if(cy < y)
? {
?? o.style.height = (cy + Math.ceil((y-cy)/5)) +"px";
? }
? else
? {
?? clearInterval(proy);??
? }
?}
?function closeed(id){/*--关闭--*/
? clearInterval(prox);
? clearInterval(proy);
? clearInterval(proxc);
? clearInterval(proyc);?
? var o = document.getElementById(id);
? if(o.style.display == "block")
? {
?? proyc = setInterval(function(){closey(o)},10);??
? }?
?}
?function closey(o){/*--打开y--*/
? var cy = parseInt(o.style.height);
? if(cy > 0)
? {
?? o.style.height = (cy - Math.ceil(cy/5)) +"px";
? }
? else
? {
?? clearInterval(proyc);???
?? proxc = setInterval(function(){closex(o)},10);
? }
?}
?function closex(o){/*--打开x--*/
? var cx = parseInt(o.style.width);
? if(cx > 0)
? {
?? o.style.width = (cx - Math.ceil(cx/5)) +"px";
? }
? else
? {
?? clearInterval(proxc);
?? o.style.display = "none";
? }
?}
?
?
?/*鼠标拖动*/
?var od = document.getElementById("fd");
?var dx,dy,mx,my,mouseD;
?var odrag;
?var isIE = document.all ? true : false;
?document.onmousedown = function(e){
? var e = e ? e : event;
? if(e.button == (document.all ? 1 : 0))
? {
?? mouseD = true;??
? }
?}
?document.onmouseup = function(){
? mouseD = false;
? odrag = "";
? if(isIE)
? {
?? od.releaseCapture();
?? od.filters.alpha.opacity = 100;
? }
? else
? {
?? window.releaseEvents(od.MOUSEMOVE);
?? od.style.opacity = 1;
? }?
?}
?od.onmousedown = function(e){
? odrag = this;
? var e = e ? e : event;
? if(e.button == (document.all ? 1 : 0))
? {
?? mx = e.clientX;
?? my = e.clientY;
?? od.style.left = od.offsetLeft + "px";
?? od.style.top = od.offsetTop + "px";
?? if(isIE)
?? {
??? od.setCapture();???
??? od.filters.alpha.opacity = 50;
?? }
?? else
?? {
??? window.captureEvents(Event.MOUSEMOVE);
??? od.style.opacity = 0.5;
?? }
??
? }
?}
?document.onmousemove = function(e){
? var e = e ? e : event;
? if(mouseD==true? &&? odrag) ? {? ?? var mrx = e.clientX - mx; ?? var mry = e.clientY - my; ?? od.style.left = parseInt(od.style.left) +mrx + "px"; ?? od.style.top = parseInt(od.style.top) + mry + "px";?? ?? mx = e.clientX; ?? my = e.clientY; ?? ? } ?} </script> </body> </html>
