$to = mysql_fetch_array(mysql_query("SELECT *  FROM `chat` WHERE `msg` LIKE '%".$user['nick'].",%'"));
$sata = array('"'.$user['nick'].',", '.$to.'');

if($to['']==$user['nick']){
echo'<font color="orange">'.$sata[1].'</font>';
}

echo''.$sata['2'].'';