DataTables - Get Nodes and Count total matches

DataTables

HTML

<link rel="stylesheet" type="text/css" href="http://ajax.aspnetcdn.com/ajax/jquery.dataTables/1.9.0/css/jquery.dataTables.css">
      <link rel="stylesheet" type="text/css" href="http://ajax.aspnetcdn.com/ajax/jquery.dataTables/1.9.0/css/jquery.dataTables_themeroller.css">


        <script type="text/javascript" charset="utf8" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.7.1.min.js"></script>
        <script type="text/javascript" charset="utf8" src="http://ajax.aspnetcdn.com/ajax/jquery.dataTables/1.9.0/jquery.dataTables.min.js"></script>
      
      
  

    <body>
        <div id="cnt"></div>
        <div class="container">
            
    <table cellpadding="0" cellspacing="0" border="0" class="dataTable" id="example">
    <thead>
        <tr>
            <th>Rendering engine</th>
            <th>Browser</th>
            <th>Platform(s)</th>
            <th>Engine version</th>
            <th>CSS grade</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td>bob</td>
            <td class='awka'>12 feb 2012</td>
            <td>29 mar 2012</td>
            <td>car</td>
            <td>booked</td>
        </tr>
<tr>
            <td>bob</td>
            <td>12 feb 2012</td>
            <td>29 mar 2012</td>
            <td>car</td>
            <td>booked</td>
        </tr>
<tr>
            <td>bob</td>
            <td>12 feb 2012</td>
            <td>29 mar 2012</td>
            <td>car</td>
            <td>booked</td>
        </tr>
<tr>
            <td>bob</td>
            <td>12 feb 2012</td>
            <td>29 mar 2012</td>
            <td>car</td>
            <td>booked</td>
        </tr>
<tr>
            <td>Mike</td>
            <td>1 Jan 2011</td>
            <td>22 mar 2012</td>
            <td>hotel</td>
            <td>Held</td>
        </tr> 
<tr>
            <td>Mike</td>
            <td>1 Jan 2011</td>
            <td>22 mar 2012</td>
            <td>hotel</td>
            <td>Held</td>
        </tr>        
   ...

CSS

body{padding:30px}
.countip{
position:absolute;
    margin-top:-12px;
    width:215px;
    height:25px;
    border:2px solid #fff;
    background:#333333;
    color:#ffffff;
    text-align:center;
    padding:2px;
    border-radius:5px;
}

JavaScript

$(document).ready(function() {
    $('#example').dataTable({
        "sPaginationType": "full_numbers"
    });
});

$("tr td:nth-child(2)").live('mouseenter', function() {
  var me = $(this);
    var w = $(this).text()
    var nNodes = $('#example').dataTable().fnGetNodes();
    var x = 0
    var jqInputs = $('input:not([class^=ackMod])', nNodes);
    //var jqInputs = $(':input', nNodes);
    alert(jqInputs)
    //alert(nNodes.length);
    if (nNodes.length > 0) {
        for (var i = 0; i < nNodes.length; i++) {
            var g = $(nNodes[i]).find("td:nth-child(2)").text()
            var dat = $('#example').dataTable().fnGetData(nNodes[i]);
            if (g == w) {
            var cctext = ( ++x + ' Travellers on this date: ');
             //$("#cnt").html(cctext + dat[1])
            }
        }
    }

  $(me).append($("<span class='countip'></span>").text(cctext))                
}).mouseout(function(){
   $("#cnt").html("-");
   $(".countip").remove();
});