if(!isset($_SESSION['dugg'][$info['story_id']]))
{
if(isset($story_where))
{
$story_where.= " OR story_id='".$info['story_id']."'";
}
else
{
$story_where = "story_id='".$info['story_id']."'";
}
}

if(!isset($_SESSION['bury'][$info['story_id']]))
{
if(isset($story_where2))
{
$story_where2.= " OR story_id='".$info['story_id']."'";
}
else
{
$story_where2 = "story_id='".$info['story_id']."'";
}
}
}


Тоже непонятно! Что здесь?