) {
                if (index == -1) return "";
                var colors = colorSchemes[index].colors;
                var html = "";
                for (var i = 0; i < colors.length; i++) {
                    html += "<div style='float: left; border-radius: 100%; width: 25px; height: 25px; border: none; background:" + colors[i] + "; margin-left: 4px;'></div>";
                }
                return html;
            };

            var selectionTemplate = function (element, index) {
      