How change html View of ZF1 captcha - php

Question

i am not using captcha in zend form i am directly writting zend captch code on controller. My code is:
IndexController.php
public function loginAction(){
$this->view->assign('action',"/sabkuch/index/auth");
$this->view->assign('user','username');
$this->view->assign('passwd','Password');
//$a=$this->_helper->Comman->textEmail("hi........","htm body.......","pkr","from#gm.com","xyz","xyz#gm.com");
//echo $a; die;
// Our form object...
// And here's our captcha object...
$captcha = new Zend_Form_Element_Captcha('captcha',
array('label' => 'Write the chars to the field',
'captcha' => array( // Here comes the magic...
// First the type...
'captcha' => 'Image',
'useNumbers' => true,
'fontSize' => '22',
'wordLen' => '4',
'height' => '57',
'width' => '235',
// Captcha timeout, 5 mins
'timeout' => 300,
// What font to use...
'font' => APPLICATION_PATH . '/../public/font/6.ttf',
// Where to put the image
'imgDir' => APPLICATION_PATH . '/../public/captcha/',
// URL to the images
// This was bogus, here's how it should be... Sorry again :S
'imgUrl' => 'http://localhost/sabkuch/public/captcha/',
)));
$this->view->captcha = $captcha;
}
Login.phml
<table width="100%" border="0" cellspacing="0" cellpadding="1">
<form class="form_align" name="login" method="post" action="<?php echo $this->escape($this->action);?>">
<tbody>
<tr>
<td align="left"><strong><?php echo $this->escape($this->user);?></strong></td>
</tr>
<tr>
<td align="left"><?php echo $this->formText('username', '', array(
'class' => 'textfield',
'alt' => 'NOBLANK~loginEmail~DM~',
'size' => '30',
)
); ?>
</td>
</tr>
<tr>
<td align="left"><strong><?php echo $this->escape($this->passwd);?></strong></td>
</tr>
<tr>
<td align="left"><?php echo $this->formPassword('passwd', '', array(
'class' => 'textfield',
'alt' => 'NOBLANK~loginEmail~DM~',
'size' => '30',
)
); ?>
</td>
</tr>
<tr>
<td align="left"><strong>Set Captcha</strong></td>
</tr>
<tr>
<td align="left"><?php
echo $this->captcha->render($this, null) ;
?>
</td></tr>
<tr>
<td align="left" style="padding-top:5px">
<?php echo $this->formHidden('id', 'login'); ?>
<input type="submit" name="submit" value="Submit"> </td>
</tr>
</tbody>
</form>
</table>
captch code output is
<dd id="captcha-element">
<img width="235" height="57" alt="" src="http://localhost/sabkuch/public/captcha/770eec95f4b247754b4b6c30cd74a4a4.png" />
<input type="hidden" name="captcha[id]" value="770eec95f4b247754b4b6c30cd74a4a4" id="captcha-id" />
<input type="text" name="captcha[input]" id="captcha-input" value="" /></dd>
i need captcha html output as per my requirement like
<tr><td> <dd id="captcha-element">
<img width="235" height="57" alt="" src="http://localhost/sabkuch/public/captcha/770eec95f4b247754b4b6c30cd74a4a4.png" />
<input type="hidden" name="captcha[id]" value="770eec95f4b247754b4b6c30cd74a4a4" id="captcha-id" />
</tr></td>
<tr><td>
<input type="text" name="captcha[input]" id="captcha-input" value="" /></dd>
</tr></td>
in zend form we cn add decoratro but i am directly using this captcha on controller How i change this ouput of html