LIBertea, your site's server was one of a collection which was temporarily unavailable for 30 minutes earlier today due to problems experienced the the datacenter. These problems have now been resolved. We apologise for any inconvenience this may have caused.
Please remember you can always check the latest status of the uCoz servers at this thread here: http://forum.ucoz.com/forum/3-14706-1
Web Applications Developer
Been here for 6 years and counting.
Visit me at alexmoloney.me