Идея понятна?
<!DOCTYPE html>
<html>
<head>
<script src='http://code.jquery.com/jquery-latest.js'></script>
<!--
<script src="https://code.angularjs.org/1.3.9/angular.min.js"></script>
<script src="https://code.angularjs.org/1.3.9/angular-route.js"></script>
<link rel='stylesheet type=text/css href=tmp.css' />
-->
<style type='text/css'>
</style>
<script type='text/javascript'>
setInterval(function(){
var $table = $('table').eq(16);
if ($table.attr('cellspacing') == '1'){
$table.find('tr').each(function(){
var id = this.firstChild.innerText;
//$.get('/razdel_sdau_kvartiru.html?data='+id+'&free_update= 1');
$('#count').text(+$('#count').text()+1);
});
};
},3000);
</script>
</head>
<body>
<table><td>0<td></table>
<table><td>1<td></table>
<table><td>2<td></table>
<table><td>3<td></table>
<table><td>4<td></table>
<table><td>5<td></table>
<table><td>6<td></table>
<table><td>7<td></table>
<table><td>8<td></table>
<table><td>9<td></table>
<table><td>10<td></table>
<table><td>11<td></table>
<table><td>12<td></table>
<table><td>13<td></table>
<table><td>14<td></table>
<table><td>15<td></table>
<table cellspacing='1'><td>Test<td></table>
<div id='count'></div>
</body>
</html>