rem: return BeginDragOutliner(event, threadOutliner, selectedMessages, "text/nsmessageOrfolder"); 
add: return BeginDragOutliner(event, threadOutliner, selectedMessages, "text/x-moz-message-or-folder"); 
context: function BeginDragThreadPane(event){    debugDump("BeginDragThreadPane\n");    var threadOutliner = GetThreadOutliner();    var selectedMessages = GetSelectedMessages();    return BeginDragOutliner(event, threadOutliner, selectedMessages, "text/nsmessageOrfolder");}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/404e12e0541a3ffd54ae714e9a3401c380718f10/messengerdnd.js/clean/mailnews/base/resources/content/messengerdnd.js