rem: var parent = event.target; var browser = getBrowser().selectedBrowser; 
context: function popupBlockerMenuShowing(event) {  var parent = event.target;  var browser = getBrowser().selectedBrowser;        var separator = document.getElementById("popupMenuSeparator");  if ("popupDomain" in browser) {    createShowPopupsMenu(parent);    if (separator)      separator.hidden = false;  } else {    if (separator)      separator.hidden = true;  }  }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/b698a85b57c9c815a49bef2f01ffba06c69d7a18/navigator.js/buggy/xpfe/browser/resources/content/navigator.js