$tr = array(

        "А"=>"A","Б"=>"B","В"=>"V","Г"=>"G",

        "Д"=>"D","Е"=>"E","Ж"=>"J","З"=>"Z","И"=>"I",

        "Й"=>"Y","К"=>"K","Л"=>"L","М"=>"M","Н"=>"N",

        "О"=>"O","П"=>"P","Р"=>"R","С"=>"S","Т"=>"T",

        "У"=>"U","Ф"=>"F","Х"=>"H","Ц"=>"TS","Ч"=>"CH",

        "Ш"=>"SH","Щ"=>"SCH","Ъ"=>"","Ы"=>"YI","Ь"=>"",

        "Э"=>"E","Ю"=>"YU","Я"=>"YA","а"=>"a","б"=>"b",

        "в"=>"v","г"=>"g","д"=>"d","е"=>"e","ж"=>"j",

        "з"=>"z","и"=>"i","й"=>"y","к"=>"k","л"=>"l",

        "м"=>"m","н"=>"n","о"=>"o","п"=>"p","р"=>"r",

        "с"=>"s","т"=>"t","у"=>"u","ф"=>"f","х"=>"h",

        "ц"=>"ts","ч"=>"ch","ш"=>"sh","щ"=>"sch","ъ"=>"y",

        "ы"=>"yi","ь"=>"","э"=>"e","ю"=>"yu","я"=>"ya"

    );

        strtr($title,$tr);





if(isset($_POST['xfield'][$name_field]) and !empty($_POST['xfield'][$name_field]) and strpos($_POST['xfield'][$name_field], 'http://') !== false) {

    $ext = strtolower(end(explode('.', str_replace(array('?', '#'), '', basename($_POST['xfield'][$name_field])))));;

    if(in_array($ext, $allowed_ext)) {

        $file_name = "site.ru-".$title.'.'.$ext;

        $ok = copy($_POST['xfield'][$name_field], ROOT_DIR.$dir.$file_name);

        if($ok) {

            $_POST['xfield'][$name_field] = $dir.$file_name;

        }

    }

}