I managed to solved it by myself, thanx anyway 🙂
If somebody is interested, here is translation array for use with strtr() function from UTF-8 to ISO-8859-2
$arrTr = array(
chr( "196" ).chr( "141" ) => "č",
chr( "196" ).chr( "140" ) => "Č",
chr( "197" ).chr( "161" ) => "š",
chr( "197" ).chr( "160" ) => "Š",
chr( "197" ).chr( "190" ) => "ž",
chr( "197" ).chr( "189" ) => "Ž",
chr( "196" ).chr( "135" ) => "ć",
chr( "196" ).chr( "134" ) => "Ć",
chr( "196" ).chr( "145" ) => "đ",
chr( "196" ).chr( "144" ) => "Ð"
);
If you dont see some characters, then check source of this HTML document.
Simon