伸缩的导航条

<strong><div id="wrapper">
	<ul id="navigation">
		<li class="nav0 current_page"><a href="#">我的日志</a></li>
		<li class="nav1"><a title="资源下载" href="#">资源下载</a></li>
		<li class="nav2"><a title="相册" href="#">相册</a></li>
		<li class="nav3"><a title="一起走到" href="#">一起走到</a></li>
		<li class="nav4"><a title="从明天起" href="#">从明天起</a></li>
		<li class="nav5"><a title="纸飞机" href="#">纸飞机</a></li>
		<li class="nav6"><a title="下一站" href="#">下一站</a></li>
        <li class="nav7"><a title="门" href="#">门</a></li>
        <li class="nav8"><a title="人文知识" href="#">人文知识</a></li>
        <li class="nav9"><a title="标签记录" href="#">标签记录</a></li>
        <li class="nav10"><a title="友情链接" href="#">友情链接</a></li>
        <li class="nav11"><a title="联系我们" href="#">联系我们</a></li>
	</ul>
</div></strong>

<strong>$(function(){
	$('#navigation li').each(function(){
		if(this.className.indexOf("current_page")==-1) {
			$("a",this).css("left","-120px");	//不是当前页的移动到页面左侧外
			$(this).hover(function(){
				$("a",this).animate({left:"0px"}, "fast");
			},function(){
				$("a",this).animate({left:"-120px"}, "fast");
			});
		}
	});
});</strong>

<strong>body{
	padding:0px; margin:0px;
	background:url(bg3.jpg) no-repeat;
}
#wrapper{min-height:100px;}
#navigation{
	position:absolute;
	top:0px; left:0px;
	margin:0px; padding:0px;
	width:120px; list-style:none;
}
#navigation li{
	position:relative;
	float:left;
	margin:0px; padding:0px;
	height:50px; width:120px;
}
#navigation li a{
	position:absolute;
	display:block;
	top:0px; left:0px;
	height:50px; width:120px;
	line-height:50px;	
	text-align:center;
	color:#FFFFFF;
}
#navigation .nav0 a{background:#F50065;}
#navigation .nav1 a{background:#D60059;}
#navigation .nav2 a{background:#B0004A;}
#navigation .nav3 a{background:#F26B00;}
#navigation .nav4 a{background:#D75F00;}
#navigation .nav5 a{background:#B24F00;}
#navigation .nav6 a{background:#6E8F00;}
#navigation .nav7 a{background:#607D00;}
#navigation .nav8 a{background:#496100;}
#navigation .nav9 a{background:#007f9f;}
#navigation .nav10 a{background:#006b87;}
#navigation .nav11 a{background:#005065;}</strong>