rem: var uri = GetFirstSelectedMessage(); if (uri) { MarkThreadAsRead(uri); } 
add: gDBView.doCommand(nsMsgViewCommandType.markThreadRead); 
context: function MsgMarkThreadAsRead(){    var uri = GetFirstSelectedMessage();    if (uri) {        MarkThreadAsRead(uri);    }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/bbd33dce9c5dae0603bf0a943170d676673d9b5d/mailWindowOverlay.js/buggy/mailnews/base/resources/content/mailWindowOverlay.js