Plugins don't work anymore when site is online

[Light-Pix]

So, I tried installing everything from scratch again and now have a list of plugins that don't work:

- Dominion jCart (keeps the gallery under "Band" from opening the light box, also the shop doesn't show)
- Mp3 Player Ultimate (also destroys the gallery, but works fine otherwise)
- p01-Contact (doesn't show)

However, p01-contact was the plugin I installed last. It doesn't seem to make a difference if I have it or not.
It does refer to user.xml, tho:

Code:

$data = getXML(GSDATAOTHERPATH . 'user.xml');

How would I change it to point to the current user? Is there any place where I can find the list of all these GSDATAOTHERPATH variables and their purpose?


The current state is viewable here: http://stylo-arts.com/Die_Anderen01/

I really wonder why it doesn't work here... Works fine on my XAMPP Server.


Thanks for your help, so far.