does anyone know the auto log in for the chatbox.

Could you explain your doubts?

When a member logs in the forum technically they are logged into the chat. they just have to click log in to enter it, but do not have to add their user name or pass. when they click it just puts them right in the chat

Thats just how forumotion chat works.

ik but there is a code to do autolog in as soon as they log onto forum

Hello,

Try this:
http://www.avacweb.com/t217-chatbox-auto-logging-in

where do i put the code?

you can put there in javascript
admin > module > javascript management and create new one

Make sure you enable your Javascript too:
Admin Panel > Modules > Javascript code management > Enable Javascript > Set it to Yes > Save

thanks guys. problem solved.