<div class="tabs">
    	<!-- 默认第一个tab为激活状态 -->
        <h3 class="active"><span>热点新闻</span></h3>
        <div id="tab-01">news</div>
	    <h3><span>娱乐新闻</span></h3>
        <div id="tab-02">enteriment</div>
        <h3><span>就业形势</span></h3>
        <div id="tab-03">jobs</div>
    </div>

    * { margin:0; padding:0;}
    body { font:12px Verdana, Geneva, sans-serif; color:#404040;}
 
	.tabs { margin:10px 0 0 20px; width:360px; position:relative; overflow:hidden; height:1%; height:140px;}
		.tabs h3 { z-index:2; font-size:12px; background:url(pic.gif) no-repeat; width:95px; height:25px; line-height:25px; text-align:center; float:left; margin-right:5px;}
		h3.active { background-position:0 -25px; color:#fff;}
		#tab-01, #tab-02, #tab-03 { position:absolute; top:24px; left:0; width:338px; padding:10px; height:93px; border:1px solid #ace; z-index:1;}
		#tab-02, #tab-03 { display:none;}

    $(document).ready(function() {
	$('.tabs h3').mouseover(function() {
		$('.tabs div').hide();
		$(this).siblings('h3').removeClass('active').end()
					  .addClass('active').next('div').show();
	});	
    });