Oh, thank you! Krikor.
Good news. I supposed to do this roughly the same way, but wasn't sure of my knowledges in K2, Joomla and PHP ))
I translated this theme for Russian community. Can't insert link here.
UPD.
joomlaforum^ru/index.php/topic,247176.msg1581654.html#msg1581654
forum^tamirov^ru/viewtopic.php?f=15&t=74