--- mozilla-firefox-1.0.2.orig/toolkit/content/widgets/tabbrowser.xml
+++ mozilla-firefox-1.0.2/toolkit/content/widgets/tabbrowser.xml
@@ -720,6 +720,9 @@
             var origURIStr = safeGetProperty(targetDoc, "documentURI");
             var origURI = ioService.newURI(origURIStr, docCharset, null);
 
+            if (uri.schemeIs("javascript"))
+              return;
+
             const nsIScriptSecMan =
               Components.interfaces.nsIScriptSecurityManager;
--- mozilla-firefox-1.0.2.orig/xpfe/global/resources/content/bindings/tabbrowser.xml
+++ mozilla-firefox-1.0.2/xpfe/global/resources/content/bindings/tabbrowser.xml
@@ -647,6 +647,9 @@
             var origURIStr = safeGetProperty(targetDoc, "documentURI");
             var origURI = ioService.newURI(href, docCharset, baseURI);
 
+            if (uri.schemeIs("javascript"))
+              return;
+
             const nsIScriptSecMan =
               Components.interfaces.nsIScriptSecurityManager;