var domView = Components.classes["@mozilla.org/inspector/dom-view;1"].createInstance(Components.interfaces.inIDOMView); var domDocument = document.implementation.createDocument("", "", null); domDocument.load('chrome://crawlermodelgen/content/morningstar.xml'); domView.rootNode = domDocument; domView.showWhitespaceNodes = true; domView.showAnonymousContent = true; domView.showSubDocuments = true; domView.whatToShow &= (NodeFilter.SHOW_ALL); var sidebarTree = sidebar.document.getElementById("cmgDOMTree"); sidebarTreeBox.view = domView;