>>667-669
以下を//toolboxとsplitterをサイドバーの横に作成の前に挿入

try {
document.getElementById("PersonalToolbar")
.controllers.removeController(BookmarksMenuController);
} catch (ex) {
}

var bt = document.getElementById("bookmarks-ptf");
if (bt) {
try {
bt.database.RemoveObserver(BookmarksToolbarRDFObserver);
} catch (ex) {
}
}



さらに以下を}());の前に挿入

var bt = document.getElementById("bookmarks-ptf");
if (bt) {
var btf = BMSVC.getBookmarksToolbarFolder().Value;
bt.ref = btf;
document.getElementById("bookmarks-chevron").ref = btf;
bt.database.AddObserver(BookmarksToolbarRDFObserver);
}
window.addEventListener("resize", BookmarksToolbar.resizeFunc, false);
document.getElementById("PersonalToolbar")
.controllers.appendController(BookmarksMenuController);