add: this.mPanelSet.addObserver("panelsetready", this, false); 
context:   initialize: function()  {    this.installNavObserver();    this.mPanelSet = document.getElementById("bxPanelSet");    this.mPanelSet.initialize();  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/d096f4daca700b541ddb9fb7b2f913ae9756c085/sidebar.js/clean/extensions/inspector/resources/content/sidebar.js