var chart = c3.generate({
    bindto: '#pkgchart',
	size: {
        height: 260
        //width: 480
    },
    data: {
      columns: [
        ['Trend',2,1,1,1,2,4,1,1,3,2,1,3,2],
        ['Bars',2,1,1,1,2,4,1,1,3,2,1,3,2]      ],
      axes: {
        Bars: 'y2'
      },
      types: {
        Bars: 'bar' // ADD
      },
	  colors: {
            Trend: 'green',
            Bars: 'orange'
        }
    },
    axis: {
      y: {
        label: {
          text: 'Downloads for rdoc',
          position: 'outer-middle'
        }
      },
      y2: {
        show: false,
        label: {
          text: 'Y2 Label',
          position: 'outer-middle'
        }
      },
	  x: {
            type: 'category',
            categories: ['04/20','04/21','04/22','04/23','04/24','04/25','04/27','04/28','04/30','05/01','05/04','05/08','05/15'],
			tick: {
                rotate: -80,
                multiline: false
            }
        }
    }
});