window.addEvent('domready',function(){ tree = new Mif.Tree({ container: $('tree_container'), types: { folder: { openIcon: 'mif-tree-open-icon', closeIcon: 'mif-tree-close-icon' } }, dfltType: 'folder', height: 20 }) .addEvent('load', function(){ var root = this.root; var newNode = new Mif.Tree.Node({ parentNode: root, tree: tree }, {property: {name: 'node1'}}); tree.add(newNode, root, 'inside'); var newNode2 = new Mif.Tree.Node({ parentNode: newNode, tree: tree }, {property: {name: 'node1.1'}}); tree.add(newNode2, newNode, 'inside'); }); tree.load({ json: [{property: {name: 'root'}}] }); });