diff --git a/xpfe/browser/resources/content/navigator.js b/xpfe/browser/resources/content/navigator.js
index eb2c4b64f78..f2a879b50f6 100644
--- a/xpfe/browser/resources/content/navigator.js
+++ b/xpfe/browser/resources/content/navigator.js
@@ -595,9 +595,14 @@ function Startup()
     if (/^\s*$/.test(uriToLoad))
       uriToLoad = "about:blank";
 
+    var browser = getBrowser();
+    browser.popupDomain = null;
+    browser.popupUrls = [];
+    browser.popupFeatures = [];
+
     if (uriToLoad != "about:blank") {
       gURLBar.value = uriToLoad;
-      getBrowser().userTypedValue = uriToLoad;
+      browser.userTypedValue = uriToLoad;
       if ("arguments" in window && window.arguments.length >= 3) {
         loadURI(uriToLoad, window.arguments[2]);
       } else {
@@ -2271,10 +2276,6 @@ function onPopupBlocked(aEvent) {
         var popupIcon = document.getElementById("popupIcon");
         popupIcon.hidden = false;
       }
-      if (!browser.popupUrls) {
-        browser.popupUrls = [];
-        browser.popupFeatures = [];
-      }
       // Check for duplicates, remove the old occurence of this url,
       // to update the features, and put it at the end of the list.
       for (var i = 0; i < browser.popupUrls.length; ++i) {
@@ -2318,18 +2319,10 @@ function StatusbarViewPopupManager() {
 }
 
 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;
-  }  
+  if (separator)
+    separator.hidden = !createShowPopupsMenu(event.target);
 }
 
 function createShowPopupsMenu(parent) {
@@ -2338,6 +2331,9 @@ function createShowPopupsMenu(parent) {
 
   var browser = getBrowser().selectedBrowser;      
 
+  if  (browser.popupUrls.length == 0)
+    return false;
+
   for (var i = 0; i < browser.popupUrls.length; i++) {
     var menuitem = document.createElement("menuitem");
     menuitem.setAttribute("label", gNavigatorBundle.getFormattedString('popupMenuShow', [browser.popupUrls[i].spec]));
diff --git a/xpfe/browser/resources/content/nsBrowserStatusHandler.js b/xpfe/browser/resources/content/nsBrowserStatusHandler.js
index beedfcd8eaa..f23e9b2d961 100644
--- a/xpfe/browser/resources/content/nsBrowserStatusHandler.js
+++ b/xpfe/browser/resources/content/nsBrowserStatusHandler.js
@@ -331,8 +331,8 @@ nsBrowserStatusHandler.prototype =
     if (blank ||
         !("popupDomain" in browser)) {
       browser.popupDomain = null;
-      browser.popupUrls = null;
-      browser.popupFeatures = null;
+      browser.popupUrls = [];
+      browser.popupFeatures = [];
     }
     else {
       var hostPort = "";
@@ -342,8 +342,8 @@ nsBrowserStatusHandler.prototype =
       catch(ex) { }
       if (hostPort != browser.popupDomain) {
         browser.popupDomain = null;
-        browser.popupUrls = null;
-        browser.popupFeatures = null;
+        browser.popupUrls = [];
+        browser.popupFeatures = [];
       }
     }