add google chart in qualityminrb

 // Load the Visualization API and the corechart package.
      google.charts.load('current', {'packages':['corechart']});

      // Set a callback to run when the Google Visualization API is loaded.
/*      google.charts.setOnLoadCallback(drawChartAge);
      google.charts.setOnLoadCallback(drawChartSex);
      google.charts.setOnLoadCallback(drawChartEducation);
      google.charts.setOnLoadCallback(drawChartFamily);
      google.charts.setOnLoadCallback(drawChartActivity);*/
      

      // Callback that creates and populates a data table,
      // instantiates the pie chart, passes in the data and
      // draws it.
      function prepareData(elem) {
          name_array = [];
          elem.each(function(index) {
              textnow = $(this).text();
              if (index > 0) {
                if (tmp == textnow) {
                    name_array[textnow] = name_array[textnow]+1;
                } else {
                    if ((name_array[textnow]) == null)  {
                        name_array[textnow] = 1;
                    } else {
                        name_array[textnow] = name_array[textnow]+1;
                    }
                }
              } else {
                  name_array[textnow] = 1;
              }
              tmp = $(this).text();
          });
          len = Object.keys(name_array).length;
          //console.log(name_array);
          arr = [];
          i=0;
          for (var key in name_array) {
              arr[i] = [];
              arr[i][0] = key;
              arr[i][1] = name_array[key];
              i++;
          }
      }
      
      function drawChartAge() {
        // Create the data table.
          prepareData($('.age_for_diagramm'));
        
        var data = new google.visualization.DataTable();
        data.addColumn('string', 'Topping');
        data.addColumn('number', 'Slices');
        data.addRows(arr);
        var options = {'title':'Возраст',
                       'width':400,
                       'height':300};
        // Instantiate and draw our chart, passing in some options.
        var chart = new google.visualization.PieChart(document.getElementById('chart_age'));
        chart.draw(data,options);
      }
      function drawChartSex() {
        // Create the data table.
        prepareData($('.sex_for_diagramm'));
        
        var data = new google.visualization.DataTable();
        data.addColumn('string', 'Topping');
        data.addColumn('number', 'Slices');
        data.addRows(arr);
        var options = {'title':'Пол',
                       'width':400,
                       'height':300};
        // Instantiate and draw our chart, passing in some options.
        var chart = new google.visualization.PieChart(document.getElementById('chart_sex'));
        chart.draw(data,options);
      }
      
      function drawChartEducation() {
        // Create the data table.
        prepareData($('.education_for_diagramm'));
        
        var data = new google.visualization.DataTable();
        data.addColumn('string', 'Topping');
        data.addColumn('number', 'Slices');
        data.addRows(arr);
        var options = {'title':'Образование',
                       'width':400,
                       'height':300};
        // Instantiate and draw our chart, passing in some options.
        var chart = new google.visualization.PieChart(document.getElementById('chart_education'));
        chart.draw(data,options);
      }      
      
      function drawChartFamily() {
        // Create the data table.
        prepareData($('.family_for_diagramm'));
        
        var data = new google.visualization.DataTable();
        data.addColumn('string', 'Topping');
        data.addColumn('number', 'Slices');
        data.addRows(arr);
        var options = {'title':'Семейное положение',
                       'width':400,
                       'height':300};
        // Instantiate and draw our chart, passing in some options.
        var chart = new google.visualization.PieChart(document.getElementById('chart_family'));
        chart.draw(data,options);
      }  
      
      function drawChartActivity() {
        // Create the data table.
        prepareData($('.activity_kind_for_diagramm'));
        
        var data = new google.visualization.DataTable();
        data.addColumn('string', 'Topping');
        data.addColumn('number', 'Slices');
        data.addRows(arr);
        var options = {'title':'Вид деятельности',
                       'width':400,
                       'height':300};
        // Instantiate and draw our chart, passing in some options.
        var chart = new google.visualization.PieChart(document.getElementById('chart_activity_kind'));
        chart.draw(data,options);
      }