gistfile1.txt

before_filter :newer_browser_required

  def newer_browser_required
    # ref http://pastie.org/203799
    # reject MSIE 5.0 and MSIE 6.0
    browser_access_denied if request.user_agent =~ /msie\s+[5,6]\.\d+/i
  end
  
  def browser_access_denied
    store_location
    redirect_back_gracefully("I'm sorry. Your current browser version is not supported for this operation. Please re-try using MSIE 7+, Firefox, or Safari browsers.")
  end