add: HideSearchColumn("accountCol"); 
context: function searchOnLoad(){  initializeSearchWidgets();  initializeSearchWindowWidgets();  CreateMessenger();  gSearchBundle = document.getElementById("bundle_search");  gMessengerBundle = document.getElementById("bundle_messenger");  setupDatasource();  setupSearchListener();  if (window.arguments && window.arguments[0])      selectFolder(window.arguments[0].folder);  onMore(null);  UpdateMailSearch("onload");    // hide and remove these columns from the column picker.  you can't thread search results  HideSearchColumn("threadCol"); // since you can't thread search results  HideSearchColumn("totalCol"); // since you can't thread search results  HideSearchColumn("unreadCol"); // since you can't thread search results  HideSearchColumn("unreadButtonColHeader");  HideSearchColumn("statusCol");  HideSearchColumn("flaggedCol");  HideSearchColumn("idCol");  HideSearchColumn("junkStatusCol");    // we want to show the location column for search  ShowSearchColumn("locationCol");}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/073af89024f22e9ecdc4a8ed01d50553c87edba3/SearchDialog.js/clean/mailnews/base/search/resources/content/SearchDialog.js