add: case "scoreCol": sortKey = nsMsgViewSortType.byScore; break; 
context: function ConvertColumnIDToSortType(columnID){  var sortKey;  switch (columnID) {    case "dateCol":      sortKey = nsMsgViewSortType.byDate;      break;    case "senderOrRecipientCol":      if (IsSpecialFolderSelected(MSG_FOLDER_FLAG_SENTMAIL | MSG_FOLDER_FLAG_DRAFTS | MSG_FOLDER_FLAG_QUEUE)) {      	sortKey = nsMsgViewSortType.byRecipient;      }      else {      	sortKey = nsMsgViewSortType.byAuthor;      }      break;    case "subjectCol":      sortKey = nsMsgViewSortType.bySubject;      break;    case "locationCol":      sortKey = nsMsgViewSortType.byLocation;      break;    case "unreadButtonColHeader":      sortKey = nsMsgViewSortType.byUnread;      break;    case "statusCol":      sortKey = nsMsgViewSortType.byStatus;      break;    case "sizeCol":      sortKey = nsMsgViewSortType.bySize;      break;    case "priorityCol":      sortKey = nsMsgViewSortType.byPriority;      break;    case "flaggedCol":      sortKey = nsMsgViewSortType.byFlagged;      break;    case "threadCol":      sortKey = nsMsgViewSortType.byThread;      break;    case "labelCol":      sortKey = nsMsgViewSortType.byLabel;      break;    default:      dump("unsupported sort column: " + columnID + "\n");      sortKey = 0;      break;  }  return sortKey;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/cee997f79328e0d255e0b2092c2ff8a02cdd4a61/commandglue.js/buggy/mailnews/base/resources/content/commandglue.js