rem: if (event.shiftKey) 
add: if (event && event.shiftKey) 
context: function MsgReplyMessage(event){  var loadedFolder = GetLoadedMsgFolder();  var messageArray = GetSelectedMessages();  dump("\nMsgReplyMessage from XUL\n");  if (event.shiftKey)    ComposeMessage(msgComposeType.Reply, msgComposeFormat.OppositeOfDefault, loadedFolder, messageArray);  else    ComposeMessage(msgComposeType.Reply, msgComposeFormat.Default, loadedFolder, messageArray);}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/29c0cb902b136c955588158599b21b9694b7ef0e/mailWindowOverlay.js/clean/mailnews/base/resources/content/mailWindowOverlay.js