$(document).bind('keydown', 'ctrl+shift+e', function () {
    document.location = currentEipUrl;
    return false;
});

$(document).bind('keydown', 'ctrl+shift+b', function () {    
    window.open(currentBackOfficeUrl,"BackOffice");
    return false;
});

$(window).unload(function () {
    $(document).unbind('keydown');
});