$i = 0;
while ( $message_de_geek = $db->sql_fetchrow($resultat) )
{
	// bloc principal
	$template->assign_block_vars('message_de_geek', array());
 
	// sous bloc
	if ( !($i % 2) )
	{
		$template->assign_block_vars('message_de_geek.position1', array());
	}
	else
	{
		$template->assign_block_vars('message_de_geek.position2', array());
	}
 
	$i++;
}
 
TPL
 
<table>
<!-- BEGIN message_de_geek -->
<tr>
<!-- BEGIN message_de_geek.position1 -->
<td width="150" align="right" valign="top" class="{message_de_geek.position1.ROW_CLASS}"><div class="zone_texte"><span class="name"><a name="{message_de_geek.position1.U_POST_ID}"></a><b>{message_de_geek.position1.NEWS_POSTER}</b></span><br /><span class="postdetails">{message_de_geek.position1.POSTER_RANK}<br />{message_de_geek.position1.RANK_IMAGE}{message_de_geek.position1.NEWS_POSTER_AVATAR}</div></span><br /></td>
<!-- END message_de_geek.position1 -->
 
<td class="{message_de_geek.ROW_CLASS}" width="100%" height="28" valign="top">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="100%"><img src="templates/subSilverPlus/images/icon_minipost.gif" alt="{L_POST}" /><span class="postdetails">{message_de_geek.L_NEWS_LOGGED}: {message_de_geek.NEWS_TIME}    {message_de_geek.L_NEWS_SUBJECT}: {message_de_geek.NEWS_ICON} {message_de_geek.NEWS_SUBJECT}</span></td>
<td valign="top" nowrap="nowrap">{message_de_geek.EDIT_IMG} {message_de_geek.DELETE_IMG}</td>
</tr>
<tr>
<td colspan="2"><hr /></td>
</tr>
<tr>
<td colspan="2"><span class="postbody"><div class="zone_texte">{message_de_geek.NEWS_TEXT}</div><div align="right">{message_de_geek.RETURN}</div></span></td>
</tr>
</table>
</td>
 
<!-- BEGIN message_de_geek.position2 -->
<td width="150" align="right" valign="top" class="{message_de_geek.position2.ROW_CLASS}"><div class="zone_texte"><span class="name"><a name="{message_de_geek.position2.U_POST_ID}"></a><b>{message_de_geek.position2.NEWS_POSTER}</b></span><br /><span class="postdetails">{message_de_geek.position2.POSTER_RANK}<br />{message_de_geek.position2.RANK_IMAGE}{message_de_geek.position2.NEWS_POSTER_AVATAR}</div></span><br /></td>
<!-- END message_de_geek.position2 -->
</tr>
<!-- END message_de_geek -->
</table>