So , there is my problem.
When I want to update post , and click update , my bworwser shows me only blank page. It's same when I want to save some settings.
I saw that lot of people had same problem , but I couldn't solve my problem.
There is a Blog http://skyinx.com/kejnav/wp/ with some test posts.
There is http://pastebin.com/mfGH0jaM functions.php
So help me....