<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script>
function boom()
{
  var newText = document.createTextNode('x');
  document.getElementById("a").parentNode.appendChild(newText);
}
</script>
</head>

<body onload="boom()">

<table border="1">
 <tr>
  <td>1</td>
  <td id="a" style="padding-left: 10%"><select style="padding-left: 20%; bottom: 10%;"><option style="padding: 0 0 10% 20%;">pppp</option></select></td>
 </tr>
</table>

</body>
</html>