Using watir, how can I click a table row?

[vanchong]

<table>
<tr>
<td>
<form action="updatePassword.asp" method="post" id="idFrmUpdatePassword" name="frmUpdatePassword">
<input class="Button" type="button" onClick="window.location='updatePassword.asp'" value="Change Password" name="cmdDealerPassword">
</form>
</td>
<td>

I unable to use
browser.table.t d(:id, "idFrmChangeCom pany").click