-<%= $url = "$selfurl?session=$session_id;action="; ''; %>
-<%= include('header', 'Pay now') %>
+<%= $url = "$selfurl?session=$session_id;action=";
+ $cgi = new CGI;
+ ''; %>
+<%= include('header', 'Make a payment') %>
+
+<FORM NAME="OneTrueForm" METHOD="POST" ACTION="<%=$selfurl%>"
+onSubmit="document.OneTrueForm.process.disabled=true">
+<INPUT TYPE="hidden" NAME="session" VALUE="<%=$session_id%>">
+<INPUT TYPE="hidden" NAME="action" VALUE="post_thirdparty_payment">
+<INPUT TYPE="hidden" NAME="payby_method" VALUE="<%=
+$cgi->param('payby_method') =~ /(CC|ECHECK)/;
+$1 %>">
+<TABLE BGCOLOR="#cccccc">
+<TR>
+ <TH ALIGN="right">Balance due</TH>
+ <TD COLSPAN=7>
+ <SPAN STYLE="background-color: #ffffff;">$<%=sprintf("%.2f", $balance)%>
+ </TD>
+</TR>
+<TR>
+ <TH ALIGN="right">Payment amount</TH>
+ <TD COLSPAN=7>
+ $<INPUT TYPE="text" NAME="amount" SIZE=8 VALUE="<%=sprintf("%.2f", $balance)%>">
+ </TD>
+</TR>
+<TR><TH></TH>
+<TD><INPUT TYPE="submit" NAME="process" VALUE="Process payment">
+</FORM>