public function normaliza($string) {
$normalizeChars = array(
'Š' => 'S',
'š' => 's',
'Ð' => 'Dj',
'Ž' => 'Z',
'ž' => 'z',
'À' => 'A',
'Á' => 'A',
'Â' => 'A',
'Ã' => 'A',
'Ä' => 'A',
'Å' => 'A',
'Æ' => 'A',
'Ç' => 'C',
'È' => 'E',
'É' => 'E',
'Ê' => 'E',
'Ë' => 'E',
'Ì' => 'I',
'Í' => 'I',
'Î' => 'I',
'Ï' => 'I',
'Ñ' => 'N',
'Ò' => 'O',
'Ó' => 'O',
'Ô' => 'O',
'Õ' => 'O',
'Ö' => 'O',
'Ø' => 'O',
'Ù' => 'U',
'Ú' => 'U',
'Û' => 'U',
'Ü' => 'U',
'Ý' => 'Y',
'Þ' => 'B',
'ß' => 'Ss',
'à' => 'a',
'á' => 'a',
'â' => 'a',
'ã' => 'a',
'ä' => 'a',
'å' => 'a',
'æ' => 'a',
'ç' => 'c',
'è' => 'e',
'é' => 'e',
'ê' => 'e',
'ë' => 'e',
'ì' => 'i',
'í' => 'i',
'î' => 'i',
'ï' => 'i',
'ð' => 'o',
'ñ' => 'n',
'ò' => 'o',
'ó' => 'o',
'ô' => 'o',
'õ' => 'o',
'ö' => 'o',
'ø' => 'o',
'ù' => 'u',
'ú' => 'u',
'û' => 'u',
'ý' => 'y',
'ý' => 'y',
'þ' => 'b',
'ÿ' => 'y',
'ƒ' => 'f',
'ü' => 'u',
'š' => 's',
'd' => 'd',
'c' => 'c',
'c' => 'c',
'ž' => 'z',
'Š' => 's',
'Ð' => 'd',
'C' => 'c',
'C' => 'c',
'Ž' => 'z'
);
$string = strtr($string, $normalizeChars);
return $string;
}