diff --git a/browser/base/content/tabbrowser.xml b/browser/base/content/tabbrowser.xml
index 4a99a7d2d8d..497095f511c 100644
--- a/browser/base/content/tabbrowser.xml
+++ b/browser/base/content/tabbrowser.xml
@@ -3371,12 +3371,27 @@
         if (anonid == "close-button")
           this.mOverCloseButton = false;
       </handler>
+      <handler event="dragstart" phase="capturing">
+        this.style.MozUserFocus = '';
+      </handler>
       <handler event="mousedown" button="0" phase="capturing">
       <![CDATA[
-        if (this.mOverCloseButton)
+        if (this.mOverCloseButton) {
           event.stopPropagation();
+        }
+        else {
+          this.style.MozUserFocus = 'ignore';
+          this.clientTop; // just using this to flush style updates
+        }
       ]]>
       </handler>
+      <handler event="mousedown" button="2">
+        this.style.MozUserFocus = 'ignore';
+        this.clientTop;
+      </handler>
+      <handler event="mouseup">
+        this.style.MozUserFocus = '';
+      </handler>
     </handlers>
   </binding>
 
diff --git a/browser/base/content/test/Makefile.in b/browser/base/content/test/Makefile.in
index 7629f64cef7..fb5def60ef6 100644
--- a/browser/base/content/test/Makefile.in
+++ b/browser/base/content/test/Makefile.in
@@ -99,6 +99,7 @@ _BROWSER_FILES = browser_sanitize-timespans.js \
                  browser_sanitize-passwordDisabledHosts.js \
                  browser_bug479408.js \
                  browser_bug479408_sample.html \
+                 browser_bug462289.js \
     $(NULL)
 
 ifneq (,$(filter mac cocoa,$(MOZ_WIDGET_TOOLKIT)))