2단계 드롭다운 레이어 메뉴 입니다.
<html>
<head>
<script type="text/javascript">
var TimeOut = 300;
var currentLayer = null;
var currentitem = null;
var currentLayerNum = 0;
var noClose = 0;
var closeTimer = null;
// Open Hidden Layer
function mopen(n)
{
var l = document.getElementById("menu"+n);
var mm = document.getElementById("mmenu"+n);
if(l)
{
mcancelclosetime();
l.style.visibility='visible';
if(currentLayer && (currentLayerNum != n))
currentLayer.style.visibility='hidden';
currentLayer = l;
currentitem = mm;
currentLayerNum = n;
}
else if(currentLayer)
{
currentLayer.style.visibility='hidden';
currentLayerNum = 0;
currentitem = null;
currentLayer = null;
}
}
// Turn On Close Timer
function mclosetime()
{
closeTimer = window.setTimeout(mclose, TimeOut);
}
// Cancel Close Timer
function mcancelclosetime()
{
if(closeTimer)
{
window.clearTimeout(closeTimer);
closeTimer = null;
}
}
// Close Showed Layer
function mclose()
{
if(currentLayer && noClose!=1)
{
currentLayer.style.visibility='hidden';
currentLayerNum = 0;
currentLayer = null;
currentitem = null;
}
else
{
noClose = 0;
}
currentLayer = null;
currentitem = null;
}
// Close Layer Then Click-out
document.onclick = mclose;
</script>
<style>
#dd
{ margin: 0;
padding: 0}
#dd li
{ margin: 0;
padding: 0;
list-style: none;
float: left;
font: bold 11px arial}
#dd li a.menu
{ display: block;
text-align: center;
background: #5970B2;
padding: 4px 10px;
margin: 0 1px 0 0;
color: #FFF;
width: 100px;
text-decoration: none}
#dd li a.menu:hover
{ background: #49A3FF}
.submenu
{ background: #EAEBD8;
border: 1px solid #5970B2;
visibility: hidden;
position: absolute;
z-index: 3}
.submenu a
{ display: block;
font: 11px arial;
text-align: left;
text-decoration: none;
padding: 5px;
color: #2875DE}
.submenu a:hover
{ background: #49A3FF;
color: #FFF}
</style>
</head>
<body>
<ul id="dd">
<li>
<a href="#" class="menu" id="mmenu1" onmouseover="mopen(1);" onmouseout="mclosetime();">Home</a>
<div class="submenu" id="menu1" 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="#" class="menu" id="mmenu2" onmouseover="mopen(2);" onmouseout="mclosetime();">Download</a>
<div class="submenu" id="menu2" 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="#" class="menu">Order</a></li>
<li><a href="#" class="menu">Help</a></li>
<li><a href="#" class="menu">Contact</a></li>
</ul>
</body>
</html>