  series: [{
          name: 'Flies',
          data: data1
        },{
          name: 'Spiders',
          data: data2
        }],
          chart: {
          id: 'chart1',
          height: 130,
          type: 'area',
          brush:{
            target: 'chart2',
            enabled: true
          },
          selection: {
            enabled: true,
            xaxis: {
              min: new Date('24 April 2017').getTime(),
              max: new Date('29 May 2017').getTime()
            }
        