<form method="post">
<table cellpadding="2">
<tr><th>Emp ID</th><td>123<input name="emp_id" type="hidden" value="123" /></td></tr>
<tr><th>Emp Name</th><td><input name="emp_name" type="text" value="Fred Flintstone" /></td></tr>
<tr><td align="center" colspan="2">
<input id="submit" name="submit" type="submit" value="Submit" />
</td></tr>
</table>
<input name="abc" type="hidden" value="345" />
<input name="def" type="hidden" value="" />
<input name="emp_birth_dt" type="hidden" value="20-10-55" />
<input name="emp_title" type="hidden" value="CEO" />
<input name="ghi" type="hidden" value="" />
</form>