rem: var idx = this.mOutliner.currentIndex; 
add: var idx = this.mTree.currentIndex; 
context:   onItemSelected: function()  {    var idx = this.mOutliner.currentIndex;    this.mSelection = this.mView.getSheet(idx);    this.mObsMan.dispatchEvent("selectionChange", { selection: this.mSelection } );  }
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/d38a0937d9c93a0a9d913e2ac781e4328bb8cc73/stylesheets.js/buggy/extensions/inspector/resources/content/viewers/stylesheets/stylesheets.js