PHP LOGIN PAGE CODE

session_start();

if($_POST)
{
$uname=$_POST["uname"];
$pass=$_POST["pass"];

mysql_connect("localhost","root","") or die(mysql_error());
mysql_select_db("testing") or die(mysql_error());
$q=mysql_query("select *from login where username='$uname' and password='$pass'") or die(mysql_error());

$data=mysql_fetch_row($q);
if($data>0)
{
$_SESSION["uname"]=$uname;
  header("location:home.php");
}else{
echo "