add: if (gBrowser.forwardBrowserGroup.length != 0) { SetGroupHistory(event.target, "forward"); return true; }  
context: function BrowserForwardMenu(event){  return FillHistoryMenu(event.target, "forward");}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/756d8ef90771facfd65741edf43cb5d293e97d8d/navigator.js/clean/xpfe/browser/resources/content/navigator.js