add: gSubscribeTree.setAttribute('ref',null);  
context: function SetUpTree(){	dump("SetUpTree()\n");		var folder = GetMsgFolderFromUri(gServerURI);	var server = folder.server;	try {		subscribableServer = server.QueryInterface(Components.interfaces.nsISubscribableServer);		subscribableServer.subscribeListener = MySubscribeListener;		subscribableServer.populateSubscribeDatasource(null /* eventually, a nsIMsgWindow */);	}	catch (ex) {		dump("failed to populate subscribe ds: " + ex + "\n");	}}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/532dda5081c2c37dab8840984dbdad4859ee65e2/subscribe.js/clean/mailnews/base/resources/content/subscribe.js