chat bar for phpfox v3.1 script

i need a chat bar install on my site . http//:[login to view URL] ... i'm using phpfox v3.1 i know it is a simple project. i used arrow chat which have some error. chat function is not fanctional as it is. it only a1hour project for those who know how to do this. similar to arrow chat is preffered intall to the site. one thing to do in this project 1. -> Install chat bar to the site .. thanks (discover my site visit. [login to view URL] )