rem: this.openTreeItem(ti); 
add: ti.setAttribute("open", "true"); 
context:   set subject(aObject)   {    this.mSubject = aObject;    this.emptyTree(this.mTreeKids);    var ti = this.addTreeItem(this.mTreeKids, bundle.getString("root.title"), aObject, aObject);    this.openTreeItem(ti);    this.mObsMan.dispatchEvent("subjectChange", { subject: aObject });  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/348927b35a491bc0d684d849acfa099ae4fe1f1e/jsObject.js/clean/extensions/inspector/resources/content/viewers/jsObject/jsObject.js