I made this to connect to more than one network on start of mIRC. It is really easy to use, just do a rightclick and choose 'Yama Server'. On the dialog choose the network and click on 'Connect on Start' then on 'Apply'. Make sure to click on 'Apply' on every server. Screenshot is on my blog: http://blog.yamahi.eu/mehr-als-ein-server-gleichzeitig-verbinden