ime(timestamp) {
      diff = ((+new Date) - timestamp) / 1000;
      if (diff < 60) {
        return Math.floor(diff) + " seconds";
      }
      else if (diff < 3600) {
        return Math.floor(diff / 60) + " minutes";
      }
      else if (diff < 86400) {
        return Math.floor(diff / 3600) + " hours";
      }
      else {
        return Math.floor(diff / 86400) + " days";
      }
    }

    // takes object which has uuid, timestamps, etc
    function addNewRow(client_data) {
      var new_row = "<t