...

<DIV id="content"></DIV>

<DIV id="footer"></DIV>

...

#content
{
width: 729px;
margin: 0 auto;
padding-top: 10px;
padding-bottom: 20px;
padding-left: 30px;
padding-right: 30px;
background: url(contentfon.png) repeat-y;
}

#footer
{
width: 789px;
height: 20px;
margin: 0 auto;
background: url(footer.png) no-repeat;
}

<script type="text/javascript" src="'. $server . '/challenge?k=' . $pubkey . $errorpart . '"></script>

<noscript>
<iframe src="'. $server . '/noscript?k=' . $pubkey . $errorpart . '" height="300" width="500" frameborder="0"></iframe><br/>
<textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea>
<input type="hidden" name="recaptcha_response_field" value="manual_challenge"/>
</noscript>