Wordplanet is a web site offering many of the languages of the world. To be able to see Eastern languages such as Thai, Korean, Chinese and other non-romanized languages you need to have your computer ready to display the characters of such languages. New versions of Windows, such as windows XP, have that capability and all you have to do is to click on START/ Settings/ Control Panel / Regional and Languages Options, choose the tab "Languages" and in the Supplemental Language Support tick the boxes for "Install files for complex script including right to left languages (including Thai)" and " Install files for East Asian languages".
In your browser, IE, for example, go to View/Encoding and choose Auto Select and Unicode (UTF8).
One of the neat and helpful features in this web site is the possibility of jumping from any chapter in one language to the same chapter in another language by clicking on the languages tab [on top]. For example, if you are reading John capter 3 in English and want to see the same chapter in Japanese, click on the Japanese tab on the top of the page and you should see that same chapter on your screen.
More help here