add: var tree = document.getElementById("Tree"); if (tree) { tree.database.RemoveObserver(RDF_observer); } 
context: function SearchPanelShutdown(){}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/b0d770845826b8f396658e325feea5b56771d36f/search-panel.js/buggy/suite/common/search/search-panel.js