+addedCount;
            var colorName = colorNames[bubbleChartData.datasets.length % colorNames.length];;
            var dsColor = window.chartColors[colorName];
            var newDataset = {
                label: "My added dataset " + addedCount,
                backgroundColor: color(dsColor).alpha(0.5).rgbString(),
                borderColor: dsColor,
                borderWidth: 1,
                data: []
            };

            for (var index = 0; index < DEFAULT_DATASET_SIZE; ++index) {
    