add: viewer.pane.panelset.updateAllCommands(); 
context:   onItemSelected: function()  {    var idx = this.mDOMTree.currentIndex;    this.mSelection = this.getNodeFromRowIndex(idx);    this.mObsMan.dispatchEvent("selectionChange", { selection: this.mSelection } );      if (this.mSelection) {      if (this.mFlashSelected)        this.flashElement(this.mSelection);    }  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/1bdedd18e398f941e1efe6c0448264ea16e357a1/dom.js/buggy/extensions/inspector/resources/content/viewers/dom/dom.js