You can also try dabbing hydrogen peroxide on the spots and let it sit for a few minutes. Spots will often start to disappear if you let it sit.
You can also make your own oxiclean. There are several recipes on the internet if you google "make your own oxiclean". Here is one:
http://www.howtodothings.com/home-ga...made-oxi-clean
Good luck.
I think if you just wash it again, it will come out.