Apply a website design like this used by [url removed, login to view] to frengly.com.
Replace main orange-blue label "searchme" with "translateit".
Languages buttons must look like top-left menu from searchme.com.
There should be two textareas, one near translateit label second one for translation below. They should like like bigger versions of the white input field.
4 freelancers are bidding on average $64 for this job
I'm a webdesigner/webmaster/coder with a W3C Certification and i can do your project in a professional way. If you need my services i'll be glad to help you. Best Regards Claudiu P.