# Altera ActionController::AbstractRequest#accepts para levar em conta a maneira 
# 'heterodoxa' que o Internet Explorer (6 e 7) utiliza no header Accept dos seus 
# requests HTTP, permitindo que format.any? funcione corretamente no IE.
# 
# Fontes:
# http://geminstallthat.wordpress.com/2008/05/14/ie6-accept-header-is-faulty/
# http://intertwingly.net/blog/2007/08/23/Intermittent-IE-failures

class ActionController::AbstractRequest
  def accepts_with_faulty_header
    @env['HTTP_ACCEPT']='*/*' if @env['HTTP_USER_AGENT'] =~ /msie/i and @env['HTTP_USER_AGENT'] !~ /opera|webtv/i
    accepts_without_faulty_header
  end
  alias_method_chain :accepts, :faulty_header
end