Integrating RoundCube Webmail with PHPFOX

Experienced programmer needed to customize PHPFOX based website. I have developed a website [login to view URL], and is ready to launch, here i need to customize it, i need a plugin or module to Integrate it with Roundcube Webmail, [login to view URL] In this location i need a roundcube webmail Ex: see the image [login to view URL] and in Registration form i need Ex: see Image [login to view URL] I need this integration as early as possible. My budget is $100-$150, Thankyou