There are several website that provide free translation service from English to Japanese on the web.So if you would like to compare several of them at the same time, "cross translation" will be a great help for you.
Of course, they provide Japanese to English.
If English to Japanese translation function doesn't work, try Japanese version. 英⇒日 means from English to Japanese.
In English
http://sukimania.ddo.jp/trans/trans_e.php
In Japanese
http://sukimania.ddo.jp/trans/trans.php
complimenti un bel sito, i libri
ciao