nella index:

Codice PHP:
<html>
<head>
.....
<link rel="stylesheet" type="text/css" href="/css/bootstrap.min.css" />
<script type="text/javascript" src="/js/jquery.min.js"></script>
<script type="text/javascript" src="/js/bootstrap.min.js"></script>
<script type="text/javascript" src="/js/jquery.dataTables.min.js"></script>
.....

</head> 
nell'inclusa:

Codice PHP:
<input type="text" id="search-box" />
<table id="mytable">...</table>
<script type="text/javascript">

jQuery(document).ready(function(){

var oTable = $('#mytable').dataTable({...});

//filter table
$("#search-box").keyup( function () {
                oTable.fnFilter( this.value );
            } );

});

</script> 
e basta