rem: this.mDOMView.rootNode = aObject.documentElement; 
add: this.mDOMView.rootNode = aObject; 
context:   set subject(aObject) {    this.mSubject = aObject;    this.mDOMView.rootNode = aObject.documentElement;    this.mObsMan.dispatchEvent("subjectChange", { subject: aObject });    this.setInitialSelection(aObject);  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/41c35baf3c12a1960428f471cd0f0c612a7a355e/dom.js/buggy/extensions/inspector/resources/content/viewers/dom/dom.js