rem: if ( widget ) widget.controller = DirPaneController; 
add: if ( widget ) { dump('About to execute appendController(DirPaneController \n'); widget.controllers.appendController(DirPaneController); dump('Finished appendController(DirPaneController \n'); } 
context: function SetupCommandUpdateHandlers(){	var widget;		// dir pane	widget = document.getElementById('dirTree');	if ( widget )		widget.controller = DirPaneController;		// results pane	widget = document.getElementById('resultsTree');	if ( widget )		widget.controller = ResultsPaneController;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/b2564031feee6f0c29dc93435a6e8db2d3badd88/abCommon.js/clean/mailnews/addrbook/resources/content/abCommon.js