1<html>
2<form id="form" action="webAddressYouWantToRedirectTo.php" method="POST">
3<input type="hidden" name="expectedPOSTVarNameOnTheOtherPage" value="<?php echo $varYouMadePreviouslyInProcessing ?>">
4</form>
5<script>
6document.getElementById("form").submit();
7</script>
8</html>