I play pogo games at pogo.com, lately I can't play, I just had computer cleaned, when I try to play it tells..

.. my java is not working, I have gone to Sun microsystems and downloaded, then when I try to play it says I have two java somethings going on at the same time. So then I uninstall and it tells me Java enviro... won't load. I really miss playing the games, can anyone help me?