Table Row Counter

HTML

<button id="rowCount">Count 'Em</button>
<br />
<table id="myTable"><tr><td>OK!</td><td>Not OK!</td></tr><tr><td>OK</td><td>NOT OK!</td></tr><tr><td><table>
<tr><td>IN TABLE OK</td><td>IN TABLE NOT OK</td></tr><tr><td>IN TABLE OK</td><td>IN TABLE NOT OK</td></tr>
</table></td><td>NOT OK!</td></tr></table>

JavaScript

$(function () {
    $('#rowCount')
        .button()
        .click(function () {
        alert("Rows = " + ($('table#myTable tr:last').index() + 1));
    })
});