add:  gSearchSession.unregisterListener(gDataSourceSearchListener); gSearchSession.unregisterListener(gSearchNotificationListener);  
context: function searchOnUnload(){    // release this early because msgWindow holds a weak reference    msgWindow.rootDocShell = null;}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/16abd2924f54043e698fb0671b36ae61fe48e161/SearchDialog.js/clean/mailnews/base/search/resources/content/SearchDialog.js