lapse,
				beforeExpand: beforeExpand,
				onCollapse: onCollapse,
				onExpand: onExpand
			}
		};

		var zNodes =[
			{ id:1, pId:0, name:"可折腾的父节点 1", t:"我很普通，随便 展开/折叠 我吧", open:false},
			{ id:11, pId:1, name:"叶子节点 - 1", t:"我老爸很普通，随便折腾他吧"},
			{ id:12, pId:1, name:"可折腾的父节点 2", t:"我和我老爸都很普通，随便折腾我和他吧", open: false},
			{ id:121, pId:12, name:"父节点 - 121", t:"我老爸很普通，