function TreeViewUtils(){}TreeViewUtils.hideNodes=function(_88,ids){for(var i=0;i<ids.length;i++){var _8b=_88.getNodeByProperty("id",ids[i]);_8b.getEl().style.display="none";}};TreeViewUtils.showNode=function(_8c,id){var _8e=_8c.getNodeByProperty("id",id);var _8f=_8e;while(_8f!=null){_8e.getEl().style.display="block";_8f=_8f.parent;}};