Socialengine

we as a community builder component joomla on registration and login. and we socialengine which has its own system of registration and login. these two systems are installed in a completely different database. each has its own database. what we want to do is: Integrate systems and to connect the two together so that: 1. If you register on one, you automatically are registered also in the 2. Normally, if you log on one, even nel'altro automatically logged in the system. good bid