loadOverflowParticipantsFromServer: function() {
                        var parameters = {"tournamentId": tournamentId, "method": "loadOverflowParticipantsFromServer"};
                        $.ajax({url: this.props.url, dataType: "json", type: "POST", data: parameters, success: function(data){ this.setState({overflowParticipants: data});}.bind(this)});
                    }