rem: var sidebar_file = sidebar_get_panels_file(); 
add: sidebar_file = sidebar_get_panels_file(); 
context: function sidebar_revert_to_default_panels() {  try {    var sidebar_file = sidebar_get_panels_file();    // Calling delete() with array notation (workaround for bug 37406).    sidebar_file["delete"](false);    // Since we just removed the panels file,    // this should copy the defaults over.    var sidebar_file = sidebar_get_panels_file();    debug("sidebar defaults reloaded");    var datasource = RDF.GetDataSource(sidebarObj.datasource_uri);    datasource.QueryInterface(Components.interfaces.nsIRDFRemoteDataSource).Refresh(true);  } catch (ex) {    debug("Error: Unable to reload panel defaults file.\n");    return null;  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/a3fd1360f8a3ed6857cc435f9c9b5e8b3cdd9ef2/sidebarOverlay.js/clean/xpfe/components/sidebar/resources/sidebarOverlay.js