rem: return BeginDragTree(event, tree, "text/nsmessage"); 
add: return BeginDragTree(event, tree, "text/nsmessageOrfolder"); 
context: function BeginDragThreadTree(event){	debugDump("BeginDragThreadTree\n");        if (event.target.localName != "treecell" &&            event.target.localName != "treeitem")             return false;	//XXX we rely on a capturer to already have determined which item the mouse was over	//XXX and have set an attribute.    	// if the click is on the tree proper, ignore it. We only care about clicks on items.	var tree = GetThreadTree();	return BeginDragTree(event, tree, "text/nsmessage");}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/63fbb90dec83527d9ee9c4224fd79cb87c5c8c07/messengerdnd.js/clean/mailnews/base/resources/content/messengerdnd.js