+<?
+if ( isset($_POST['amount']) && $_POST['amount'] ) {
+
+ $payment_results = $freeside->start_thirdparty(array(
+ 'session_id' => $_COOKIE['session_id'],
+ 'method' => 'PAYPAL',
+ 'amount' => $_POST['amount'],
+ ));
+
+ include('elements/post_thirdparty.php');
+
+} else {
+
+ $payment_info = $freeside->payment_info( array(
+ 'session_id' => $_COOKIE['session_id'],
+ ) );
+
+ $tr_amount_fee = $freeside->mason_comp(array(
+ 'session_id' => $_COOKIE['session_id'],
+ 'comp' => '/elements/tr-amount_fee.html',
+ 'args' => [ 'amount', $payment_info['balance'] ],
+ ));
+ $tr_amount_fee = $tr_amount_fee['output'];
+
+ include('elements/error.php'); ?>
+<FORM NAME="OneTrueForm" METHOD="POST" ACTION="payment_paypal.php">
+ <TABLE>
+ <TR>
+ <TD ALIGN="right">Amount Due</TD>
+ <TD>$<? echo sprintf('%.2f', $payment_info['balance']); ?></TD>
+ </TR>
+ <? echo $tr_amount_fee; ?>
+ </TABLE>
+ <BR>
+ <INPUT TYPE="submit" NAME="process" VALUE="Start payment">
+</FORM>
+<? } ?>