Prova questo....

codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
<head>
<title>Untitled</title>
<script language="JavaScript" type="text/javascript">
<!--
var autoTextId = 0;
function createText() {
 a = '<input type="text" size="40" id="autoText'+autoTextId+'">';
 autoTextId++;
 document.write(a);
} // function createText(nbText)
//-->
</script>

</head>
<body>
<table summary="">
<tr>
 <td>
 <script language="JavaScript" type="text/javascript">
 <!--
 createText();
 //-->
 </script>
 </td>
 <td>
  <script language="JavaScript" type="text/javascript">
  <!--
  createText();
  //-->
  </script>
  </td>
</tr>
</table>
</body>
</html>