docs: function showNewDialogPopup() {
      $("#add_new_dialog").modal("show");
      $('#add_new_dialog .progress').hide();
  
      // get and show users
      retrieveUsersForDialogCreation(function(users) {
        if(users === null || users.length === 0){
          return;
        }
  
        clearUsers();
  
        $.each(users, function(index, item){
          if(this.user.id != currentUser.id){ // do not show current user
            showUser(this.user.full_name, this.user.id);
          }
        });
      });
  }