body,ul,li{margin:0; padding:0; list-style:none;} 
            .wrap{width:300px; height:200px; margin:10px auto; border:1px solid #000; padding:10px;} 
            .tab_menu{clear:both; margin-top:10px;} 
            .tab_box{clear:both;} 
            ul li{float:left; width:60px; height:30px; line-height:30px; text-align:center; margin-right:10px; pink;} < /span>
            .selected{background:#999;} 
            .tab_box div{height:150px; border:1px solid #f00;} 
            .hid{display:none;} 
            .hover{background:#f00;} 
         
         
         
            $(function(){ 
                var $div_li=$("div.tab_menu ul li"); 
                $div_li.click(function(){ 
                    $(this).addClass("selected") 
                           .siblings().removeClass("selected"); 
                    var index=$div_li.index(this);//获取当前单击的li在全部li中的索引 
                    $("div.tab_box>div") 
                           .eq(index).show()   //显示li元素对应的div元素 
                           .siblings().hide(); 
                }).hover(function(){//添加鼠标划入划出效果 
                    $(this).addClass("hover"); 
                },function(){ 
                    $(this).removeClass("hover"); 
                }) 
            }) 
         
     
     
         
             
                
 
                    时事
 
                    
体育
 
                    
娱乐