if ($_POST['request']=="\$10 Prepaid Card"){
	$deduct = 200; }
elseif ($_POST['request']=="\$20 Prepaid Card"){
	$deduct = 300; }
	elseif ($_POST['request']=="\$50 Prepaid Card"){
	$deduct = 900; }
	elseif ($_POST['request']=="£20 Prepaid Card"){
		echo "20";
	$deduct = 400; }
	elseif ($_POST['request']=="£50 Prepaid Card"){
	$deduct = 960; }
	elseif ($_POST['request']=="€20 Prepaid Card"){
	$deduct = 400; }
	elseif ($_POST['request']=="€50 Prepaid Card"){
	$deduct = 900; }
else { $deduct = 0;}

$update = mysql_query('UPDATE members SET points = (points - '.$deduct.') WHERE id = "'.$_POST['id'].'"')
or die(mysql_error());