define('XOOPS_PATH', '/home/www/evee.cz/www/data/xoops_data');
instead of:
define('XOOPS_VAR_PATH', '/home/www/evee.cz/www/evee.cz/xoops_data');
(similar for lib)
And this doesn't work. I don't want to bore you with it, so if it isn't only a stupid mistake, leave it and I will solve it by trying.