Poblem with PHP, ODBC and FORM

[Anon]

Hello

I'm trying to insert a row into an Access DB via a FORM.
The problem is that when I submit the FORM an go to the PHP script that inserts the row, the script does not have the text that has been written in the textboxes.

So when I run the script:

$result=odbc_exec($db, "INSERT INTO login (Id, Password) VALUES ('$Username', '$Pwd'");

WHERE Username and Pwd are the NAME's of the textboxes in the inputpage

The error appears that login.Id is empty.

Does anyone know how to solve it.

Thanks!