atial correlation',
        tick: {
          format: d3.format('0.2f')
        }
      }
    },		
    zoom: {		
      enabled: true		
    },		
    selection: {		
      enabled: true		
    }		
  });
    
  // Chart of registration quality (spatial correlation) between the functional scan and the template
  var chartBOLD = c3.generate({		
    bindto: '#chart-BOLD',		
    data: {
      x: 'Subject',
      columns: dataBOLD,		
      type: 'bar',		
      onclick: function (d) { selectSubjec