function log_message() {
global $data_path, $messages_to_show, $HTTP_SERVER_VARS;
$fp_log = fopen($data_path."logs/".date("Y-m-d", my_time()).".html", "a+");
flock($fp_log, LOCK_EX);
for ($i=0;$i<count($messages_to_show);$i++) 
if ($messages_to_show[$i][MESG_TO]=="")
fwrite($fp_log, date("Hs",$messages_to_show[$i][MESG_TIME])."\t"." \t".

$messages_to_show[$i][MESG_FROM]."\troom ".$messages_to_show[$i][MESG_ROOM]."\t".
$messages_to_show[$i][MESG_BODY]."\n")<br>;
fflush($fp_log);
flock($fp_log, LOCK_UN);
fclose($fp_log);