I do believe it already has such functionality, but only for the vbirc network. It's been a while since I've worked on this product.
Good news, I will be starting up development again for this product .. considering I haven't worked on it in a long time. There is a new version, quite greatly improved, for vBulletin 3. I will be reworking the ui to look like, and be exactly like the version for vBulletin 3, as it is simplified, and easier for everyone.
@KURTZ, if you're still having issues, just wait a day or two, I should have the new version out by then.
Also, please start trying to move to Mibbit. pJIRC support will be dropped in the next version. Sorry.