database error :S

wat heb ik in dit script fout gedaan?? :S

<?php



//=============IP AND LOGIN SETTINGS OF SQL SERVER==============

// Enter the IP or DSN of the database server to connect to
$dbhost = "IP";

// Enter the username to connect to the db, default is sa
$dbuser = "sa";

// Enter the password for your SQL Server
$dbpasswd = "aapje";





//=============== NOT EDITABLE AREA ====================
// DEFAULT SETTINGS DO NOT CHANGE
$popup="<A HREF=javascript:popitup('gallery/";
$popup2="')>";
$image="<img src=gallery/";
$image2=" WIDTH='160' BORDER='0' HEIGHT='120'>";
$alogin = $dbuser;
$apass = $dbpasswd;
$db = 'grazy_chick';
$regsubmit = "regform.submit()";
$msconnect=mssql_connect("$host","$alogin","$apass");
$msdb=mssql_select_db("$db",$msconnect);
$ip = $host;
//========================END===========================

?>