In case you wanted to see the whole script here it is
<?php
switch ($query->name) {
case 'check_user_login':
$query_string = "SELECT Username, UserPassword, UserPermissions, AdminPermissions, AccountStatus FROM users WHERE Username = '$username' AND UserPassword = '$password'";
break;
}
// Connect to SQL
$db_connect = mysql_connect ($global->hostname, $global->username, $global->password) or die("Could Not Connect to MySQL.");
// Connect to Database
@mysql_select_db ($global->database);
// Perform Query
$qry_results = mysql_query ($query_string) or die ("Error: Query Error, Please Contact Your Administrator");
?>