수평 탭

<div id="panel">
  <div id="top">
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      <li id="1">Home</li>
      <li id="2">IntelligenceFacts</li>
      <li id="3">Research</li>
      <li id="4">Perception</li>
      <li id="5">Robotics</li>
      <li id="6">Cognitive Science</li>   
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      Home
    </div>
    <div class="slide" id="div_2" style="filter:alpha(opacity=100)">
      IntelligenceFacts

    </div>
    <div class="slide" id="div_3" style="filter:alpha(opacity=100)">
      Research
    </div>
    <div class="slide" id="div_4"style="filter:alpha(opacity=100)" >
      Perception
    </div>
    <div class="slide" id="div_5" style="filter:alpha(opacity=100)" >
      Robotics
    </div>
    <div class="slide" id="div_6" style="filter:alpha(opacity=100)" >
      Cognitive Science
    </div>
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</div>

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