diff --git a/xpfe/browser/resources/content/navigator.js b/xpfe/browser/resources/content/navigator.js
index 054d8c7e8cb..5f228191402 100644
--- a/xpfe/browser/resources/content/navigator.js
+++ b/xpfe/browser/resources/content/navigator.js
@@ -913,6 +913,18 @@ function BrowserForward()
   }
 }
 
+function BrowserHandleShiftBackspace()
+{
+  switch (pref.getIntPref("browser.backspace_action")) {
+  case 0:
+    BrowserForward();
+    break;
+  case 1:
+    goDoCommand("cmd_scrollPageDown");
+    break;
+  } 
+}
+
 function SetGroupHistory(popupMenu, direction)
 {
   while (popupMenu.firstChild)
diff --git a/xpfe/browser/resources/content/navigatorOverlay.xul b/xpfe/browser/resources/content/navigatorOverlay.xul
index 9b9a9783cad..3837dec1405 100644
--- a/xpfe/browser/resources/content/navigatorOverlay.xul
+++ b/xpfe/browser/resources/content/navigatorOverlay.xul
@@ -88,7 +88,7 @@
     <key id="key_selectAll"/>
     <key id="key_switchTextDirection"/>
 
-          <!-- View Menu -->
+    <!-- View Menu -->
     <key id="key_reload"  key="&reloadCmd.commandkey;" oncommand="BrowserReload();" modifiers="accel"/>
     <key key="&reloadCmd.commandkey;" oncommand="BrowserReloadSkipCache();" modifiers="accel,shift"/>
     <key id="key_viewSource" key="&pageSourceCmd.commandkey;" command="View:PageSource" modifiers="accel"/>
@@ -106,6 +106,8 @@
     <key id="key_findTypeLinks"/>
 
     <!-- Go Menu -->
+    <key keycode="VK_BACK" command="cmd_handleBackspace"/>
+    <key keycode="VK_BACK" command="cmd_handleShiftBackspace" modifiers="shift"/>
 
     <!-- Bookmarks Menu -->
     <key id="addBookmarkAsKb" key="&addCurPageAsCmd.commandkey;" command="Browser:AddBookmarkAs" modifiers="accel"/>
@@ -128,6 +130,7 @@
     <command id="cmd_newNavigatorTab" oncommand="BrowserOpenTab();"/>
     <command id="cmd_newTabWithTarget" oncommand="contentAreaClick(event);"/>
     <command id="cmd_handleBackspace"  oncommand="BrowserHandleBackspace();" />
+    <command id="cmd_handleShiftBackspace"  oncommand="BrowserHandleShiftBackspace();" />
 
     <command id="cmd_newEditor"/>
     <!-- NOT IMPLEMENTED
diff --git a/xpfe/browser/resources/content/win/platformNavigationBindings.xul b/xpfe/browser/resources/content/win/platformNavigationBindings.xul
index 2f9d7872942..a098031b25a 100644
--- a/xpfe/browser/resources/content/win/platformNavigationBindings.xul
+++ b/xpfe/browser/resources/content/win/platformNavigationBindings.xul
@@ -12,12 +12,6 @@
     <key id="goForwardKb"  keycode="&goForwardCmd.keyCode;" command="Browser:Forward" modifiers="alt"/>
     <key id="key_stop" keycode="VK_ESCAPE" oncommand="BrowserStop();"/>
 
-    <!-- Supporting IE forward and back accelerators out of courtesy
-         to transitioning IE users -->
-    <!-- Backspace is also used by type ahead find -->
-    <key keycode="VK_BACK" command="cmd_handleBackspace"/>
-    <key keycode="VK_BACK" command="Browser:Forward" modifiers="shift"/>
-
     <!-- Supporting IE 'refresh' shortcut key -->
     <key keycode="VK_F5" oncommand="BrowserReload();"/>
     <key keycode="VK_F5" modifiers="control" oncommand="BrowserReloadSkipCache();"/>