in my website my chatblx added in forum, but in forums no box in my chat box, who can insert box in my chat box
Embed the code into the Forum template of General appearance of forum pages. But there is a Tag Board in your Forum already. So please be more specific.
hay frnds i want avatar of user in chat box its possible
Yes, it is. Go to CP->Design->Design management (templates)->Tag Board->Appearance of entries->embed
where you want the avatar to be displayed->Save
<img width="30" src="$AVATAR_URL$" />