position

<?php
session_start();
if(!isset($_SESSION['username'])) {
	echo "<script>alert('YOU MUST LOGIN FIRST');</script>";
    echo "<script>window.location='fpl_login.php'</script>";
}
    if(isset($_SESSION['position'])== '1') {
    echo "<script>window.location='op.php'</script>";
    }
    if(isset($_SESSION['position'])== '2') {
    echo "<script>window.location='foo.php'</script>";
    }
    if(isset($_SESSION['position'])== '3') {
    echo "<script>window.location='bo.php'</script>";
    }
    if(isset($_SESSION['position'])== '4') {
    echo "<script>window.location='hq.php'</script>";
    }
?>