SO collapse menu example

SO collapse menu example

HTML

<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.2.2/css/bootstrap-combined.min.css">
<script src="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.2.2/js/bootstrap.min.js"></script>
<div class="container-fluid"> 
  <div class="row-fluid">
    <div class="span10">
    
    <div class="navbar">
     <div class="navbar-inner">
                
      
      <a class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse">
           <span class="icon-bar"></span>
           <span class="icon-bar"></span>
           <span class="icon-bar"></span>
      </a>
      
      <div class="nav-collapse collapse ">
        <ul class="nav nav-tabs">
          <li><a href="#">Home</a></li>
          <li class="dropdown">
            <a class="dropdown-toggle" data-toggle="dropdown" href="#">Help<b class="caret"></b>
            </a>
            <ul class="dropdown-menu">
              <li><a href="#">Keep</a></li>
              <li><a href="#">Screaming</a></li>
            </ul>
          </li>
          <li><a href="#">Contact</a></li>
        </ul>
      </div> <!-- end nav-collapse -->
      
    </div><!-- end nav bar inner -->  
    </div> <!-- end nav bar -->
    
  </div><!--end span10 -->
  <div class="span2">span 2</div>
  </div><!-- end row -->
  
  
  <div class="row-fluid">
    <div class="span10">
      other content
    </div>
    <div class="span2">span 2</div>
  </div>
</div>