纯CSS下拉菜单代码代码,Css代码库,德仔网

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【Css】纯CSS下拉菜单代码
作者:Dezai.CN / 发布于2012/12/13/ 712
<!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>简洁的纯CSS下拉菜单代码</title>
<style>
#sddm
{	margin: 0 auto;
	padding: 0;
	z-index: 30;
	background-color:#F4F4F4;
	width: 480px;
	height:23px;}

#sddm li
{	margin: 0;
	padding: 0;
	list-style: none;
	float: left;
	font: bold 12px arial}

#sddm li a
{	display: block;
	margin: 0 1px 0 0;
	padding: 4px 10px;
	width: 60px;
	background: #5970B2;
	color: #FFF;
	text-align: center;
	text-decoration: none}

#sddm li a:hover
{	background: #49A3FF}

#sddm div
{	position: absolute;
	visibility: hidden;
	margin: 0;
	padding: 0;
	background: #EAEBD8;
	border: 1px solid #5970B2}

	#sddm div a
	{	position: relative;
		display: block;
		margin: 0;
		padding: 5px 10px;
		width: auto;
		white-space: nowrap;
		text-align: left;
		text-decoration: none;
		background: #EAEBD8;
		color: #2875DE;
		font: 12px arial}

	#sddm div a:hover
	{	background: #49A3FF;
		color: #FFF}
</style>
<!-- dd menu -->
<script type="text/javascript">
<!--
var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose; 
// -->
</script>
</head>

<body style="text-align:center">

<ul id="sddm">
	<li><a href="#" onmouseover="mopen('m1')" onmouseout="mclosetime()">Home</a>
		<div id="m1" onmouseover="mcancelclosetime()" onmouseout="mclosetime()">
		<a href="#">HTML DropDown</a>
		<a href="#">DHTML DropDown menu</a>
		<a href="#">JavaScript DropDown</a>
		<a href="#">DropDown Menu</a>
		<a href="#">CSS DropDown</a>
		</div>
	</li>
	<li><a href="#" onmouseover="mopen('m2')" onmouseout="mclosetime()">Download</a>
		<div id="m2" onmouseover="mcancelclosetime()" onmouseout="mclosetime()">
		<a href="#">ASP Dropdown</a>
		<a href="#">Pulldown menu</a>
		<a href="#">AJAX dropdown</a>
		<a href="#">DIV dropdown</a>
		</div>
	</li>
	<li><a href="#" onmouseover="mopen('m3')" onmouseout="mclosetime()">Order</a>
		<div id="m3" onmouseover="mcancelclosetime()" onmouseout="mclosetime()">
		<a href="#">Visa Credit Card</a>
		<a href="#">Paypal</a>
		</div>
	</li>
	<li><a href="#" onmouseover="mopen('m4')" onmouseout="mclosetime()">Help</a>
		<div id="m4" onmouseover="mcancelclosetime()" onmouseout="mclosetime()">
		<a href="#">Download Help File</a>
		<a href="#">Read online</a>
		</div>
	</li>
	<li><a href="#" onmouseover="mopen('m5')" onmouseout="mclosetime()">Contact</a>
		<div id="m5" onmouseover="mcancelclosetime()" onmouseout="mclosetime()">
		<a href="#">E-mail</a>
		<a href="#">Submit Request Form</a>
		<a href="http://www.codefans.net/" target="_blank">codefans.net</a>
		</div>
	</li>
</ul>
<div style="clear:both"></div>
<!--广告区域结束--> 
</body>
</html>
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