text: $(function () {
      /*chart_data = $.parseJSON(chart_data);
  
       $.map(chart_data['data'], function (val, i) {
       chart_data['data'][i] = parseInt(val);
       });
       $('#chart').highcharts({
       chart: {
       zoomType: 'x',
       spacingRight: 20
       },
       title: {
       text: 'Zmiany ilości obswerwujących w czasie'
       },
       subtitle: {
       text: null
       },
       xAxis: {
       type: 'datetime',
       maxZoom: 24 * 3600000, // fourteen days
       title: {
       text: null
       }
       },
       yAxis: {
       title: {
       text: 'Ilość obserwujących'
       }
       },
       tooltip: {
       shared: true
       },
       legend: {
       enabled: false
       },
       plotOptions: {
       area: {
       fillColor: {
       linearGradient: { x1: 0, y1: 0, x2: 0, y2: 1},
       stops: [
       [0, Highcharts.getOptions().colors[0]],
       [1, Highcharts.Color(Highcharts.getOptions().colors[0]).setOpacity(0).get('rgba')]
       ]
       },
       lineWidth: 1,
       marker: {
       enabled: false
       },
       shadow: false,
       states: {
       hover: {
       lineWidth: 1
       }
       },
       threshold: null
       }
       },
  
       series: [
       {
       type: 'area',
       name: 'Obserwujących',
       pointInterval: 24 * 3600 * 1000,
       pointStart: Date.parse(chart_data['start_date']),
       data: chart_data['data']
       }
       ]
       });*/
  });