这是一款精美的多级下拉菜单美化,可以完美替代“select”来实现下拉菜单的效果。而且支持多级菜单，有加载等待效果，有层级分类展示。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<title>Filament Group Lab</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<script type="text/javascript" src="jquery-1.3.2.min.js"></script>
<script type="text/javascript" src="fg.menu.js"></script>
<link type="text/css" href="fg.menu.css" media="screen" rel="stylesheet" />
<link type="text/css" href="theme/ui.all.css" media="screen" rel="stylesheet" />
<!-- styles for this example page only -->
<style type="text/css">
body { font-size:62.5%; margin:0; padding:0; }
#menuLog { font-size:1.4em; margin:20px; }
.hidden { position:absolute; top:0; left:-9999px; width:1px; height:1px; overflow:hidden; }
.fg-button { clear:left; margin:0 4px 40px 450px; padding: .4em 1em; text-decoration:none !important; cursor:pointer; position: relative; text-align: center; zoom: 1; }
.fg-button .ui-icon { position: absolute; top: 50%; margin-top: -8px; left: 50%; margin-left: -8px; }
a.fg-button { float:left; }
button.fg-button { width:auto; overflow:visible; } /* removes extra button width in IE */
.fg-button-icon-left { padding-left: 2.1em; }
.fg-button-icon-right { padding-right: 2.1em; }
.fg-button-icon-left .ui-icon { right: auto; left: .2em; margin-left: 0; }
.fg-button-icon-right .ui-icon { left: auto; right: .2em; margin-left: 0; }
.fg-button-icon-solo { display:block; width:8px; text-indent: -9999px; } /* solo icon buttons must have block properties for the text-indent to work */
.fg-button.ui-state-loading .ui-icon { background: url(spinner_bar.gif) no-repeat 0 0; }
</style>
<!-- style exceptions for IE 6 -->
<!--[if IE 6]>
<style type="text/css">
.fg-menu-ipod .fg-menu li { width: 95%; }
.fg-menu-ipod .ui-widget-content { border:0; }
</style>
<![endif]-->
<script type="text/javascript">
$(function(){
// BUTTONS
$('.fg-button').hover(
function(){ $(this).removeClass('ui-state-default').addClass('ui-state-focus'); },
function(){ $(this).removeClass('ui-state-focus').addClass('ui-state-default'); }
);
// MENUS
$('#flat').menu({
content: $('#flat').next().html(), // grab content from this page
showSpeed: 400
});
$('#hierarchy').menu({
content: $('#hierarchy').next().html(),
crumbDefaultText: ' '
});
$('#hierarchybreadcrumb').menu({
content: $('#hierarchybreadcrumb').next().html(),
backLink: false
});
// or from an external source
$.get('menuContent.html', function(data){ // grab content from another page
$('#flyout').menu({ content: data, flyOut: true });
});
});
</script>
<!-- theme switcher button -->
<script type="text/javascript" src="js/themeswitchertool"></script>
<script type="text/javascript"> $(function(){ $('<div style="position: absolute; top: 20px; right: 300px;" />').appendTo('body').themeswitcher(); }); </script>
</head>
<body>
<p id="menuLog">You chose: <span id="menuSelection"></span></p>
<a tabindex="0" href="#search-engines" class="fg-button fg-button-icon-right ui-widget ui-state-default ui-corner-all" id="flat"><span class="ui-icon ui-icon-triangle-1-s"></span>flat menu</a>
<div id="search-engines" class="hidden">
<ul>
<li><a href="#">Google</a></li>
<li><a href="#">Yahoo</a></li>
<li><a href="#">MSN</a></li>
<li><a href="#">Ask</a></li>
<li><a href="#">AOL</a></li>
</ul>
</div>
<a tabindex="0" href="menuContent.html" class="fg-button fg-button-icon-right ui-widget ui-state-default ui-corner-all" id="flyout"><span class="ui-icon ui-icon-triangle-1-s"></span>flyout menu</a> <a tabindex="0" href="#news-items" class="fg-button fg-button-icon-right ui-widget ui-state-default ui-corner-all" id="hierarchy"><span class="ui-icon ui-icon-triangle-1-s"></span>ipod-style menu</a>
<div id="news-items" class="hidden">
<ul>
<li><a href="#">Breaking News</a>
<ul>
<li><a href="#">Entertainment</a></li>
<li><a href="#">Politics</a></li>
<li><a href="#">A&E</a></li>
<li><a href="#">Sports</a>
<ul>
<li><a href="#">Baseball</a></li>
<li><a href="#">Basketball</a></li>
<li><a href="#">A really long label would wrap nicely as you can see</a></li>
<li><a href="#">Swimming</a>
<ul>
<li><a href="#">High School</a></li>
<