Bootstrap Affix Navbar - After Scrolling Down to Menu Nav Container

Bootstrap Affix Navbar after content scrolled past hero unit.

by bizamajig

HTML

<script src="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.1.0/css/bootstrap.min.css">
<div class="container" id="con">
    <div class="row">
        <div class="span12">
            <div class="well">
                <h1> Header </h1>               
            </div>
        </div>
    </div>
</div>
<div class="container" data-spy="affix" data-offset-top="400" id="nav">
    <div class="navbar">
        <div class="navbar-inner">
            <div class="container">
                <div class="span12">
                    <a class="brand" href="#">Home</a>
                     <ul class="nav">
                        <li class="active"><a href="#">Home</a></li>
                        <li><a href="#">Link</a></li>
                        <li><a href="#">Link</a></li>
                     </ul>
                </div>
            </div> 
        </div> 
    </div> 
</div>
<div class="container">
    <div class="span3">
        <p style="height:1000px;padding:10px;">
          
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        </p>
    </div>
</div>

CSS

#con .well {
    height:400px;
}

#nav.affix {
    position: fixed;
    top: 0;
    width: 100%
}

JavaScript

$('#nav').affix({
});