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代码片段整理(鼠标滑过变化tab)
2009年10月09日 星期五 17:47
   <script>
        function showBox(showId,aid){
       document.getElementById('n1').style.display='none';
       document.getElementById('n2').style.display='none';
       document.getElementById('n3').style.display='none';
       document.getElementById(showId).style.display='block';
        document.getElementById('a1').className="";
       document.getElementById('a2').className="";
       document.getElementById('a3').className="";
      document.getElementById(aid).className="selceted";
       }
   </script>
            <div class="tab">
              <div class="tabl">
                            <a href="#" id="a1" class="selceted" onmouseover="showBox('n1','a1');">第一项</a>
                            <a href="#" id="a2" onmouseover="showBox('n2','a2');" >第二项</a>
                            <a href="#" id="a3" onmouseover="showBox('n3','a3');" >第三项</a>
                 </div>
                           
                            <div class="tabr">
                            <ul id="n1">
                                <li>第一项里面的内容</li>
                            </ul>
                           
                            <ul id="n2" style="display:none" class="n2">
                              <li>第二项里面的内容</li>
                            </ul>
                           
                          <ul id="n3" style="display:none">
                           <li>第三项里面的内容</li>
                            </ul>
                         </div>
                          
                        </div>
                    </div>

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