[Ошибка] На сайте

Warning: fopen(data/site_stat) [function.fopen]: failed to open stream: Permission denied in /home/la2death/data/www/la2death.ru/index.php on line 104

//Если надо, получаем статистику.
    if($config_site["site_statistic"])
        {
        $pref="zl_";
        //За день
        $txt="";
        $mysql=mysql_query("SELECT COUNT(*) FROM ".$pref."stat_hits WHERE date >='".date("y.m.d")."'");
        $txt.=mysql_result($mysql,0).":";
        $unic=mysql_query("SELECT * FROM `".$pref."stat_hits` WHERE date >='".date("y.m.d")."' GROUP BY (ip)");
        $txt.=mysql_num_rows($unic).":";
        //За неделю
        $mysql=mysql_query("SELECT COUNT(*) FROM ".$pref."stat_hits WHERE date >='".date("y.m.d",mktime(0, 0, 0, date("m")  , date("d")-7, date("Y")))."'");
        $txt.=mysql_result($mysql,0).":";
        $unic=mysql_query("SELECT * FROM `".$pref."stat_hits` WHERE date >='".date("y.m.d",mktime(0, 0, 0, date("m")  , date("d")-7, date("Y")))."' GROUP BY (ip)");
        $txt.=mysql_num_rows($unic).":";
        //За месяц
        $mysql=mysql_query("SELECT COUNT(*) FROM ".$pref."stat_hits WHERE date >='".date("y.m.d",mktime(0, 0, 0, date("m")-1  , date("d"), date("Y")))."'");
        $txt.=mysql_result($mysql,0).":";
        $unic=mysql_query("SELECT * FROM `".$pref."stat_hits` WHERE date >='".date("y.m.d",mktime(0, 0, 0, date("m")-1  , date("d"), date("Y")))."' GROUP BY (ip)");
        $txt.=mysql_num_rows($unic);
        $file=fopen("data/site_stat","w+");
        if($file)
            {
            fputs($file,"$txt");
            fclose($file);
            }
        //Записываем в файл
        }

$file=fopen("data/site_stat","w+");