Untitled

<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Strict//EN”
“http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd”>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta http-equiv="content-language" content="en-us" />
<title></title>
<script type="text/javascript" src="jquery.js">
</script>
<script     type="text/javascript" src="Example.js"></script>
<link rel="stylesheet" href="Example.css" type="text/css" />
</head>
<body>
<table>
<thead>
<tr>
<th>
Head1
</th>
<th>
Head2
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
r1c1
</td>
<td>
r1c2
</td>
</tr>

<tr>
<td>
r2c1
</td>
<td>
r2c2
</td>
</tr>


</tbody>
</table>
</body>
</html>

if ($) {
$(document).ready (
 function(){
  $('table tbody').before('<tr>'+ /*can use prepend instead of before*/
'<td>'+
'r0c1'+
'</td>'+
'<td>'+
'r0c2'+
'</td>'+
'</tr>');

$('table tbody').after('<tr>'+  /*can use append instead of after*/
'<td>'+
'r3c1'+
'</td>'+
'<td>'+
'r3c2'+
'</td>'+
'</tr>');
 }
);
}

body {
font: 16px sans-serif;
}