text: function topic_top_load(topic_num) {
      var o_data = document.getElementById('top_topic');
      var url = "/api/thread/" + String(topic_num) + "?top=1&render=1";
      var n_data = "";
      var num = 1;
  
      var xhr = new XMLHttpRequest();
      xhr.open("GET", url, true);
      xhr.send(null);
  
      xhr.onreadystatechange = function() {
          if(this.readyState === 4 && this.status === 200) {
              var t_data = JSON.parse(this.responseText);
              for(var key in t_data) {
                  n_data += t_data[key]['data'];
                  num = key;
              }
  
              o_data.innerHTML = n_data;
              topic_main_load(topic_num, null);
          }
      }
  
  }