rem: return  aTarget.localName == "menu" || (aTarget.localName == "toolbarbutton") && (aTarget.getAttribute("container") == "true" || aTarget.getAttribute("group") == "true"); 
add: return aTarget.localName == "menu"          || aTarget.localName == "toolbarbutton" && aTarget.getAttribute("type") == "menu"; 
context:   isContainer: function (aTarget)  {    return  aTarget.localName == "menu" || (aTarget.localName == "toolbarbutton") &&           (aTarget.getAttribute("container") == "true" || aTarget.getAttribute("group") == "true");  }
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/88086f032538fd7ee413478489483c10317499b2/browser.js/buggy/browser/base/content/browser.js