calling php functions via a form

[csxpcm]

hello,
im sure this is a simple question, but i can't figure out how to call a function in another file via a form. I can pass the parameters, bu not sure how to directly call the function from it. Can someone please help
- Thanks in advance

----- index.html -------------
<form name="form1" method="post" action="checkpoint.php">
<p>
<input type="text" name="username" size="10" value="username">
<input type="text" name="password" size="10" value="password">
<input type="submit" name="Go" value="login">
</p>

</form>

----- checkpoint.php ------

function login($username,$password) {

[weekender]

i'm not sure i understand, based on your code. If you are passing the vars to checkpoint.php, then just put the login code in checkpoint.php - it doesn't particularly have to be inside a function...

if you use a function in another file, just [man]include[/man] that function, then call the function i.e. login($username, $password).

let me know if this is not what you're after...?