			}
			}
		}

		$(document).ready(function(){
			$.fn.zTree.init($("#treeDemo"), setting, zNodes);
			$("#expandBtn").bind("click", {type:"expand"}, expandNode);
			$("#collapseBtn").bind("click", {type:"collapse"}, expandNode);
			$("#toggleBtn").bind("click", {type:"toggle"}, expandNode);
			$("#expandSonBtn").bind("click", {type:"expandSon"}, expandNode);
			$("#collapseSonBtn").bind("click", {type:"collapseSon"}, expandNode);
			$("#expandAllBtn").bind("click", {type:"expandAll"}, expandNode);
			$("#c