<?php wp_enqueue_script('jquery'); ?>

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>

<script type="text/javascript" src="<?php bloginfo('template_url'); ?>/js/lavalamp.js"></script>
<script type="text/javascript">
jQuery(document).ready(
	function(){
		jQuery(function() {
			jQuery("#menus").lavaLamp({fx:"backout", speed:700})
		});
	}
)
</script>

#menus {
	position:relative;
	padding-left:10px;
	float:left;
}
#menus li {
	float:left;
	display:inline;
	list-style:none;
}
#menus li a {
	position:relative;
	color:#382E1F;
	height:30px;
	line-height:30px;
	padding:0 20px;
	text-decoration:none;
	font-size:11px;
	float:left;
	z-index:10;
	text-align:center;
}
#menus li.current_page_item a {
	font-weight:bolder;
}
#menus li.back {
	background:url(img/lava.gif) no-repeat right bottom;
	height:30px;
	position:absolute;
	z-index:8;
}
#menus li.back .left {
	background:url(img/lava.gif) no-repeat left top;
	height:30px;
	margin-right:9px;
	float:none;
}
#menus li ul {
	display:none;
	background:#F4F5F7;
	border:1px solid #CCC;
	border-top-color:#A6A6A6;
	padding:0 5px;
}
#menus li li {
	float:none;
	margin:0 !important;
	margin:0;
	padding:0;
	display:block;
	list-style:none;
}
#menus li li a {
	float:none;
	display:block;
	padding:7px 5px;
	text-decoration:none;
	width:200px;
	border-style:solid;
	border-color:#DDD;
	border-width:1px 0 0;
	margin:0;
	background-image:none;
	height:auto;
	line-height:145%;
	color:#999;
	text-align:left;
}
#menus li li.first a {
	border-top:none;
}
#menus li li a:hover {
	color:#382E1F;
}

<li><a class="lastmenu" href="javascript:void(0);"></a></li>

activate: function() {
	this.title.className += ' current';
 
	var pos = cumulativeOffset(this.title);
	var left = pos[0];
	if (this.align == 'right') {
		var offset = getWidth(this.title) - getWidth(this.body) + this.offset;
		left += offset;
	}
	var top = pos[1] + getHeight(this.title);
 
	if(this.offset == -1) {
		var pos2 = cumulativeOffset(document.getElementById('navigation'));
		left -= pos2[0];
		top -= pos2[1];
	}
 
	setStyle(this.body, 'left', left + 'px');
	setStyle(this.body, 'top', top + 'px');
	setStyle(this.body, 'visibility', 'visible');
	setStyle(this.body, 'opacity', this.opacity);
	setStyle(this.body, 'MozOpacity', this.opacity);
	setStyle(this.body, 'KhtmlOpacity', this.opacity);
	setStyle(this.body, 'filter', 'alpha(opacity=' + this.opacity * 100 + ')');
 
	if(this.tid) {
		clearTimeout(this.tid);
	}
	this.tid = setInterval(bind(this, this.appear), 20);
}