as anyone can see: the website is working again.
sourceforge updated mysql from 3.x to 4.1 and i forgot to move the projects database. but with help from the sourceforge support i managed to recover the oh-so valueable content of this website and everybody is happy again.
i haven't been working on tiAmo in the last few months and university is still keeping me busy. however, i haven't abandoned it totally yet by now.