The webpage
http://www.gimnazija-kranj.gimkr.v-izdelavi.si/novice/naporno-pa-vendar-z-uzitkom-2017-05-11/?currentDate=2016-12-18
is not available.
Some possible causes:
the webpage has not been established yet,
the webpage is temporarily unavailable due to maintenance,
the webpage no longer exists or has moved to another address.