// The Function
function sendmessage($to,$from,$viewer,$subject,$message,$time){
mysql_query("INSERT INTO `message` (to,from,viewer,topic,message,time) VALUES ('$to','$from','$viewer','$subject','$message','$time')");
}
// Calling The Function
sendmessage(1,2,3,topic,message,1000);

// The SQL

CREATE TABLE `message` (
  `ID` int(11) NOT NULL auto_increment,
  `to` int(11) NOT NULL default '0',
  `from` int(11) NOT NULL default '0',
  `viewer` int(11) NOT NULL default '0',
  `topic` varchar(50) NOT NULL default '0',
  `message` text NOT NULL,
  `time` int(11) NOT NULL default '0',
  PRIMARY KEY  (`ID`)
) ENGINE=MyISAM AUTO_INCREMENT=2 DEFAULT CHARSET=latin1 PACK_KEYS=1 AUTO_INCREMENT=2 ;