--- browser.xul.orig	2008-10-18 17:44:27.000000000 +0900
+++ browser.xul	2009-03-18 06:59:35.000000000 +0900
@@ -209,7 +209,11 @@
     <key keycode="VK_BACK" command="cmd_handleBackspace"/>
     <key keycode="VK_BACK" command="cmd_handleShiftBackspace" modifiers="shift"/>
     <key id="goBackKb"  keycode="VK_LEFT" command="Browser:Back" modifiers="alt"/>
+    <key id="goBackKb"  key="b" command="Browser:Back" modifiers="control"/>
+    <key id="goBackKb"  key="b" command="Browser:Back"/>
     <key id="goForwardKb"  keycode="VK_RIGHT" command="Browser:Forward" modifiers="alt"/>
+    <key id="goForwardKb"  key="f" command="Browser:Forward" modifiers="control"/>
+    <key id="goForwardKb"  key="f" command="Browser:Forward"/>
     <key id="goBackKb2" key="&goBackCmd.commandKey;" command="Browser:Back" modifiers="accel"/>
     <key id="goForwardKb2" key="&goForwardCmd.commandKey;" command="Browser:Forward" modifiers="accel"/>
     <key id="goHome" keycode="VK_HOME" command="Browser:Home" modifiers="alt"/>
@@ -228,15 +232,15 @@
     <key keycode="&findAgainCmd.commandkey2;"  command="cmd_findPrevious" modifiers="shift"/>
 
     <key id="addBookmarkAsKb" key="&bookmarkThisPageCmd.commandkey;" command="Browser:AddBookmarkAs" modifiers="accel"/>
-    <key id="viewBookmarksSidebarKb" key="&bookmarksSidebarCmd.commandkey;" command="viewBookmarksSidebar" modifiers="accel"/>
+    <!-- <key id="viewBookmarksSidebarKb" key="&bookmarksSidebarCmd.commandkey;" command="viewBookmarksSidebar" modifiers="accel"/> -->
 
     <key id="key_stop" keycode="VK_ESCAPE" oncommand="BrowserStop();"/>
     
 
-    <key id="key_gotoHistory"
+    <!-- <key id="key_gotoHistory"
          key="&historySidebarCmd.commandKey;"
          modifiers="accel"
-         command="viewHistorySidebar"/>
+         command="viewHistorySidebar"/> -->
 
     <key id="key_fullZoomReduce"  key="&fullZoomReduceCmd.commandkey;"   command="cmd_fullZoomReduce"  modifiers="accel"/>
     <key                          key="&fullZoomReduceCmd.commandkey2;"  command="cmd_fullZoomReduce"  modifiers="accel"/>