rem: top.MsgFilters(emailAddress); 
add: top.MsgFilters(emailAddress, folder); 
context: function MsgCreateFilter(){  // retrieve Sender direct from selected message's headers  var msgHdr = gDBView.hdrForFirstSelectedMessage;  var headerParser = Components.classes["@mozilla.org/messenger/headerparser;1"].getService(Components.interfaces.nsIMsgHeaderParser);  var emailAddress = headerParser.extractHeaderAddressMailboxes(null, msgHdr.author);  if (emailAddress)    top.MsgFilters(emailAddress);}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/d42624401fb784d53bf92e8937878d1b58198172/mailWindowOverlay.js/clean/mail/base/content/mailWindowOverlay.js