织梦DedeCMS 二级导航的实现代码

分享下DedeCMS导航代码，如下：

      
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   {dede:channelartlist typeid={dede:field.typeid/}    
     {dede:field name='typename'/}  
  {dede:channel type='son' noself='yes'}    
[field:typename /]
  {/dede:channel}  
  {/dede:channelartlist}   
    
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{dede:channelartlist typeid={dede:field.typeid/}  
   {dede:field name='typename'/} 
 {dede:channel type='son' noself='yes'} 
[field:typename /]
 {/dede:channel}  
                                      
{/dede:channelartlist}                                   

2，js代码

      function t(id) {                  var dul = document.getElementsByName(id);                  var fu = dul[1];                       fu.style.display = "block";                  }      function f(id) {                  var dul = document.getElementsByName(id);                  var fu = dul[0];                                  var lu = fu.childNodes[3];                      lu.style.display = "none";                  }       function t(id) {                var dul = document.getElementsByName(id);                var fu = dul[1];                     fu.style.display = "block";                }    function f(id) {                var dul = document.getElementsByName(id);                var fu = dul[0];                                var lu = fu.childNodes[3];                    lu.style.display = "none";                }