$(document).on('click', 'div.Close', function () {
$(".LittleModal").remove();
});
select u.login, ifnull(one.count_one,0)negative , ifnull(two.count_two,0) positive from users u
left join
(
select id_user1,count(id_user1) count_one from comments c where c.comment_type=0
group by id_user1
) as one on one.id_user1=u.id
left join
(
select id_user1,count(id_user1) count_two from comments c where c.comment_type=1
group by id_user1
) as two on two.id_user1=u.id
А дальше уже остальное