Assegnate 5 su 5 stelle

Can't download it, when I click the button to add it to firefox I get a blank popupwindow with a check box (no idea what I'm checking) and ok/cancel which doesn't do anything :( Just looking for an auto translator of websites similar to Chrome, seems so hard to find one :(

This adds a translate option to the search box in the top right corner. You might prefer something like this:
https://addons.mozilla.org/firefox/addon/gtranslator