+<%=
+ $amt = '';
+ if ( $balance > 0 ) {
+ $amt = $balance;
+ $amt += $amt * $credit_card_surcharge_percentage/100
+ if $credit_card_surcharge_percentage > 0;
+ $amt = sprintf("%.2f",$amt);
+ }
+ '';
+%>
+ $<INPUT TYPE="text" NAME="amount" SIZE=8 VALUE="<%=$amt%>">