Помогите с L2top

<?php
$java_dbhost = "Мой IP";
$java_dbname = "Мой БД";
$java_dbuser = "Мой Юзер";
$java_dbpass = "Мой Пароль";


$pts_dbhost = "";
$pts_dbname = "";
$pts_dbuser = "";
$pts_dbpass = "";

$conn = mysql_connect($java_dbhost,$java_dbuser,$java_dbpass) or die ("Can't connect to database");
if ($conn) {
    mysql_select_db($java_dbname) or die ("Database can't be found");
    $java_online = "SELECT COUNT(*) FROM characters WHERE online = '1'";
    $result = mysql_query($java_online) or die("Error: " . mysql_error());
    $array = mysql_fetch_array($result);
    $java_online = $array['0'];
} else {
    $java_online = -1;
}

$con = mssql_connect($pts_dbhost, $pts_dbuser, $pts_dbpass);
if ($con){
    mssql_select_db($pts_dbname);
    $result = mssql_query("exec playersnumber", $con);
    $online_row = mssql_fetch_row($result);
    $pts_online = $online_row[0];
}else{
    $pts_online = -1;
}

if ($pts_online < 0 AND $java_online < 0){
    $online = -1;
}else{
    if ($pts_online < 0 OR $java_online < 0){
        if ($pts_online < 0){
            $online = $java_online;
        }
        if ($java_online < 0){
            $online = $pts_online;
        }
    }else{
        $online = $pts_online+$java_online;
    }
}

$file = fopen("online.txt", "w");
fwrite($file, $online);
fclose($file);
mysql_close($conn);
mssql_close($con);

?>

Fatal error: Call to undefined function mssql_connect() in /home/la2dream/public_html/online.php on line 24