rem: return messenger.messageServiceFromURI(messageUri).messageURIToMsgHdr(messageUri); 
add: return messenger.msgHdrFromURI(messageUri); 
context: function GetMsgHdrFromUri(messageUri){  return messenger.messageServiceFromURI(messageUri).messageURIToMsgHdr(messageUri);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/ed3c239904d89d8441e7d3d943c18bbda6104198/messageWindow.js/buggy/mail/base/content/messageWindow.js