add: var server = GetSelectedServer(); if (server && server.type == 'rss') window.parent.openSubscriptionsDialog(server); else 
context: function Subscribe(){    window.parent.MsgSubscribe();} 
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/17d22492d72e38ce7ceb707c7b8aa239494ab144/msgAccountCentral.js/buggy/mailnews/base/resources/content/msgAccountCentral.js