Jquery - Flot, How can I only show points and not lines?

Stackoverflow.com - Jquery - Flot, How can I only show points and not lines?

HTML

<script src="http://people.iola.dk/olau/flot/jquery.flot.js"></script>
<link rel="stylesheet" href="http://people.iola.dk/olau/flot/examples/layout.css">
<script src="http://www.jumware.com/Includes/jquery/Flot/JS/jquery.flot.spider.js"></script>
<div id="RadialPlot" style="width:600px;height:600px;"></div>

JavaScript

function EveryOneSec() {

        var d1 = [[0, 10], [1, 20], [2, 80], [3, 70], [4, 60]];
        var d2 = [[0, 30], [1, 25], [2, 50], [3, 60], [4, 95]];
        var d3 = [[0, 50], [1, 40], [2, 60], [3, 95], [4, 30]];

        var options = {
            series: {
                spider: {
                    active: true,
                    legs: {
                        data: ["", "", "", "", ""],
                        legScaleMax: 1,
                        legScaleMin: 0.8
                    }, spiderSize: 0.9
                }
            }, grid: {
                hoverable: false,
                clickable: false,
                tickColor: "rgba(0,0,0,0.2)",
                mode: "radar"
            }
        };


        data = [{
            label: "",
            data: d1,
            spider: {
                show: true,
                lineWidth: 0
            }
        }, {
            label: "",
            data: d2,
            spider: {
                show: true,
                lineWidth: 0
            }
        }, {
            label: "",
            data: d3,
            spider: {
                show: true,
                lineWidth: 0
            },
            points: { show: true},lines: { show: false }
        }];

        $.plot($("#RadialPlot"), data, options);
    }
    EveryOneSec();