I can not get this to run and am not sure why. when i hit submit i get a page off the code insead of the action i need.

file one main.html

KMOG UI LOG IN

Username:

password:

file two KMOG_action_page.php

if(isset($_POST['btnSubmit'])){

//taking username entered by user

$username=$_POST['username'];

//taking password entered by user

$password=$_POST['password'];

//checking username and password

if ($username=="IAMUSER" && $password=="IAMUSER") {

//when both username and password is same then

echo 'Welcome user!';

}

else if ($username=="IAMDRIVER" && $password=="IAMDRIVER"){

//when both username and password is same then

echo 'Welcome Driver!';

}

else {

echo 'Invalid password.';

}

}

?>