var myTree =
{
      children: [
        {title: "Item 1"},
        {title: "Folder 2", isFolder: true, key: "folder2",
          children: [

            {title: "Sub-item 2.0}",

            {title: "Sub-item 2.1}",

            {title: "Sub-item 2.2}",

            {title: "Sub-item 2.3}",

            {title: "Sub-item 2.4}",

            {title: "Sub-item 2.5}",

            {title: "Sub-item 2.6}",

            {title: "Sub-item 2.7}",

            {title: "Sub-item 2.8}",

            {title: "Sub-item 2.9}",

            {title: "Sub-item 2.10}",

            {title: "Sub-item 2.11}",

            {title: "Sub-item 2.12}",

            {title: "Sub-item 2.13}",

            {title: "Sub-item 2.14}",

            {title: "Sub-item 2.15}",

            {title: "Sub-item 2.16}",

            {title: "Sub-item 2.17}",

            {title: "Sub-item 2.18}",

            {title: "Sub-item 2.19}",

            {title: "Sub-item 2.20}",

            {title: "Sub-item 2.21}",

            {title: "Sub-item 2.22}",

            {title: "Sub-item 2.23}",

            {title: "Sub-item 2.24}",

            {title: "Sub-item 2.25}",

            {title: "Sub-item 2.26}",

            {title: "Sub-item 2.27}",

            {title: "Sub-item 2.28}",

            {title: "Sub-item 2.29}",

            {title: "Sub-item 2.30}",

            {title: "Sub-item 2.31}",

            {title: "Sub-item 2.32}",

            {title: "Sub-item 2.33}",

            {title: "Sub-item 2.34}",

            {title: "Sub-item 2.35}",

            {title: "Sub-item 2.36}",

            {title: "Sub-item 2.37}",

            {title: "Sub-item 2.38}",

            {title: "Sub-item 2.39}",

            {title: "Sub-item 2.40}",

            {title: "Sub-item 2.41}",

            {title: "Sub-item 2.42}",

            {title: "Sub-item 2.43}",

            {title: "Sub-item 2.44}",

            {title: "Sub-item 2.45}",

            {title: "Sub-item 2.46}",

            {title: "Sub-item 2.47}",

            {title: "Sub-item 2.48}",

            {title: "Sub-item 2.49}",

          ]
        },
        {title: "Item 3"}
      ]
};