if ( $save == 1)
{
	if ( is_array($_POST['recent_topics_article_forum']) )
	{
		$_POST['recent_topics_article_forum'] = implode(",",$_POST['recent_topics_article_forum']);
	}
	else
	{
		$_POST['recent_topics_article_forum'] = "";
	}
	
	$key = 'recent_topics_article_forum';
}
if ( $show == 1 )
{
$key = 'recent_topics_article_forum[]';
}