window.addEvent('domready',function(){
	tree = new Mif.Tree({
		container: $('tree_container'),// tree container
		types: {// node types
			folder: {
				openIcon: 'mif-tree-open-icon',//css class open icon
				closeIcon: 'mif-tree-close-icon'// css class close icon
			}
		},
		dfltType: 'folder',//default node type
		height: 18//node height
	});

	var json = [
		{
			"property": {
				"name": "root"
			},
			"children": [
				{
					"property": {
						"name": "node1"
					}
				},
				{
					"property": {
						"name": "node2",
						"hidden": true
					},
					"state": {
						"open": true
					},
					"children":[
						{
							"property": {
								"name": "node2.1"
							}
						},
						{
							"property": {
								"name": "node2.2"
							}
						}
					]
				},
				{
					"property": {
						"name": "node3"
					}
				},
				{
					"property": {
						"name": "node4"
					}
				}
			]
		}
	];
	
	// load tree from json.
	tree.load({
		json: json
	});
	
	
	$('hide').addEvent('click', function(){
		var selected = tree.getSelected();
		if(selected){
			selected.set({hidden: true});
		}
	});
	
	$('show').addEvent('click', function(){
		tree.root.recursive(function(){
			this.set({hidden: false});
		});
	});
	
});