plz. see wats wrong with this script?

[navajes123]

<?php

$var=$_POST['username'];
$pass=md5($_POST['password']);
$passwor=$pass;
/* Connect to the MySQL database */
    $db_connection = mysql_connect("localhost", "yyyy", "xxxx")
        or die("Could not connect to DB");

    /* Select the MasteringPHP database */
    mysql_select_db ("student", $db_connection)
        or die("Could not find DB");

    /* Store the query to be executed in a variable */






        $query1 = "SELECT DISTINCT firstname,
                                   lastname
                 FROM teachers
                 WHERE username='$var' AND password='$pass';
     /* Send the query to MySQL for execution */
    $query_result = mysql_query ($query1, $db_connection) or die(mysql_error());
if(@mysql_num_rows($query_result)==0)
{
  print "please check your username and password";  //line 29
  include "tchrs_login.php";
// exit();
 }
 //include "tchrs_choice.php";
 ?>

i get the following error:

Parse error: parse error in C:\Program Files\Apache Group\Apache2\htdocs\student\tchrs_authentication.php on line 29

note that i have commented line 29

[spikeZ]

<?php 

$var=$_POST['username']; 
$pass=md5($_POST['password']); 
$passwor=$pass; 
/* Connect to the MySQL database */ 
    $db_connection = mysql_connect("localhost", "yyyy", "xxxx") 
        or die("Could not connect to DB"); 

    /* Select the MasteringPHP database */ 
    mysql_select_db ("student", $db_connection) 
        or die("Could not find DB"); 

    /* Store the query to be executed in a variable */ 






        $query1 = "SELECT DISTINCT firstname, 
                                   lastname 
                 FROM teachers 
                 WHERE username='$var' AND password='$pass'"; 
     /* Send the query to MySQL for execution */ 
    $query_result = mysql_query ($query1, $db_connection) or die(mysql_error()); 
if(@mysql_num_rows($query_result)==0) 
{ 
  print "please check your username and password";  //line 29 
  include "tchrs_login.php"; 
// exit(); 
} 
//include "tchrs_choice.php"; 
?>

Look at the syntax highlighting!
You missed a closing " on your query.

SpikeZ