jQuery Flot：在x轴上重新标记标签

有2012年4月3次(以及5月和6月).

这是代码

function showGraph() {
        var data = [
            { label : "Odmeny",data: [ [(new Date('2012/04/01')).getTime(),10],[(new Date('2012/05/01')).getTime(),[(new Date('2012/06/01')).getTime(),10] ] },{ label : "Koeficienty",11],13],16],[(new Date('2012/07/01')).getTime(),12] ] }
        ];
        var options = {
                xaxes: [{
                           mode: "time",timeformat: "%b %y",monthNames: ["jan","feb","mar","apr","máj","jún","júl","aug","sep","okt","nov","dec"]
                       }],yaxes: [ {
                                  min: 0
                                } ],series: {
                           lines: { 
                               show: true,fill: null
                           },points: {
                                show: true,radius: 3,lineWidth: 2,fill: true,fillColor: "#ffffff",symbol: "circle"
                            }
                       },grid: { hoverable: true,clickable: true }
        };

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