function writeConfig( $filename, $config ) {
			@chmod($filename, 0777);
		    $fh = fopen($filename, "w");
		    if (!is_resource($fh)) {
		        return false;
		    }
		    fwrite($fh, json_encode($config));
		    fclose($fh);
			@chmod($filename, 0755);
		    return true;
		}