rem: var focusedElement = gLastFocusedElement; 
add:   var focusedElement = gLastFocusedElement || GetThreadTree(); 
context: function onClearSearch(){  var focusedElement = gLastFocusedElement;  //save of the last focused element so that focus can be restored  Search("");  focusedElement.focus();}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/97953054fd8dc6fbe751671e0c822246084cae94/searchBar.js/clean/mailnews/base/resources/content/searchBar.js