Calculating ratings at http://www.lookatme.ru/mag/blogs/contests/204707-konkurs_08

lookatme.js

// скрипт учитывает повторные голосования пользователей и максимум 3 картинки от одного пользователя

var numbers = {};
var voted_users = {};

$(".comment").each(function(i, comment) {
  var user_id = $(comment).find("a[role='comment-user']").attr("href");
  console.log(user_id)
  
  if(voted_users[user_id] == undefined) {
    $(comment).find(".comment-text").each(function(i, t) {
      var r = /\d{3}/g;
      var text = $(t).text();
      var picture_id_counter = 0

      while ((m = r.exec(text)) != null && picture_id_counter < 3) {
        key = m[0]

        if(numbers[key] == undefined) {
          numbers[key] = 1;
        } else {
          numbers[key] += 1;
        }

        picture_id_counter++;
      } 
    })
    voted_users[user_id] = true;
  }      
})

var sortable = [];
for (var key in numbers)
  sortable.push([key, numbers[key]])

console.log(JSON.stringify(sortable.sort(function(a, b) {return b[1] - a[1]})))

// [["290",218],["307",181],["320",27],["319",26],["291",16],["288",14],["309",13],["284",10],["318",10],["317",9],["316",9],["311",9],["303",6],["301",4],["281",4],["287",4],["282",4],["308",4],["294",3],["292",3],["313",3],["295",2],["296",2],["314",2],["297",2],["298",2],["370",2],["310",2],["300",2],["286",2],["312",1],["306",1],["304",1],["209",1],["299",1],["293",1],["289",1],["333",1],["351",1],["182",1]]