You can try something like this:
Code:
<form action="news.php" name="subscribeform" method="post">
<input type="hidden" name="subscribe_lng" value="en">
<table cellspacing="1" class="data-table">
<tr>
<td class="data-name"><label for="semail">Your email:</label></td>
<td class="data-required">*</td>
<td><input type="text" class="input-email" id="semail" name="newsemail" size="30" value=""></td>
</tr>
<tr>
<td colspan="3" class="iv-box-descr">Type the characters you see in the picture:</td>
</tr>
<tr>
<td class="iv-box">
<div class="iv-img">
<script type="text/javascript" src="/skin/common_files/js/common.js"></script>
<script type="text/javascript" src="/skin/common_files/lib/jquery-min.js"></script>
<script type="text/javascript">
//<![CDATA[
var xcart_web_dir = "";
//]]>
</script>
<img src="/antibot_image.php?section=on_news_panel&rnd=3826" id="on_news_panel" alt=""><br />
<a href="javascript:void(0);" onclick="javascript: change_antibot_image('on_news_panel');" rel="noreferrer">Get a different code</a>
</div>
</td>
<td class="data-required">*</td>
<td class="iv-box">
<input type="text" id="antibot_input_str" name="antibot_input_str">
<div class="button-row">
<button class="button" type="submit" title="Subscribe">
<span class="button-right"><span class="button-left">Subscribe</span></span>
</button>
</div>
</td>
</tr>
</table>
</form>
Or this:
Code:
<form action="news.php" method="post">
<input type="hidden" name="mode" value="subscribe">
<table cellspacing="1" class="data-table">
<tr>
<td class="data-name"><label for="semail">Your email:</label></td>
<td class="data-required">*</td>
<td><input type="text" class="input-email" id="semail" name="newsemail" size="30" value=""></td>
</tr>
<tr>
<td colspan="3">
<label class="news-item">
<input type="checkbox" name="s_lists[]" value="1" checked="checked">
News list1 name
</label>
<label class="news-item">
<input type="checkbox" name="s_lists[]" value="2" checked="checked">
News list2 name
</label>
<div class="button-row">
<button class="button main-button" type="submit" title="Subscribe">
<span class="button-right"><span class="button-left">Subscribe</span></span>
</button>
</div>
</td>
</tr>
</table>
</form>
Replace the "value" with the real news list IDs and "News listX name" with the real news list name.