Passing HTTP_POST from one script to another

Hi, 'nother question: if I have a form which submits data in POST to script "a.php", and I now want to pass this POSTed data to "b.php" - how do I do this? I have tried the technique of iterating through $HTTP_POST and concatenating the key-value pairs into a GET URL, which works perfectly. However, I would like to pass the data from a.php to b.php as POST data, in the HTTP_POST array itself - is this possible, and how do I do it? Thanks! Vikram -- I wouldn't recommend sex, drugs, and insanity for everyone, but it works for me.