function page_get_headers($url) {
        global $mosConfig_live_site;
        $header = '';
        $headers = array();
        if(strpos($mosConfig_live_site,'://')!=0) {
                $site_name = substr($mosConfig_live_site,7);
        } else {
                $site_name = $mosConfig_live_site;
        }
        if(strpos($site_name,'/')!==false) {
                list($site_tmp,$ddir) = explode('/',$site_name,2);
                if(strlen($site_tmp)>=4) $site_name = $site_tmp;
        }
        $fp = fsockopen($site_name, 80, $errno, $errstr, 45);
        if ($fp) {
                fputs( $fp, "GET $url HTTP/1.0\r\nHost: $site_name\r\nReferer: ".md5("jos_page_cache")."\r\n\r\n");
                while (!feof($fp)) {
                        $char = fgetc($fp);
                        if($char ==="\n") {
                                if(ord($header) === 13 ) {
                                        return $headers;
                                } else {
                                        array_push($headers, trim($header));
                                }
                                unset($header);
                                $header='';
                        } else {
                                $header = $header.$char;
                        }
                }
                fclose($fp);
        }
}