es will be expanded<br>
                        'collapsed' - all nodes will be collapsed<br>
                    </td>
                </tr>
                <tr>
                    <td>saveState</td>
                    <td>Boolean</td>
                    <td>false</td>
                    <td>If true you can reload page and tree state was saved</td>
                </tr>
                <tr>
                    <td>saveStateMethod</td>
                    <td>String</td>
                    <td>cookie</