rem: if ("popupDomain" in browser) { createShowPopupsMenu(parent); if (separator) separator.hidden = false; } else { if (separator) separator.hidden = true; } 
add: if (separator) separator.hidden = !createShowPopupsMenu(event.target); 
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: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/9088124e565ca42aa05939a4ce39d5050aa4bba7/navigator.js/clean/xpfe/browser/resources/content/navigator.js