2 files changed, 10 insertions, 4 deletions
diff --git a/httemplate/elements/tr-select-invoice.html b/httemplate/elements/tr-select-invoice.html
index 434042c..d35813f 100644
--- a/httemplate/elements/tr-select-invoice.html
+++ b/httemplate/elements/tr-select-invoice.html
@@ -26,10 +26,14 @@ Example:
   		<OPTION VALUE="select">Select an invoice to pay</OPTION>
 %         foreach my $record (@invoices) {
 %            my $read_date = time2str("%b %o, %Y", $record->_date);
-            <OPTION VALUE="<% $record->charged %>"><% $record->invnum %> (<% $read_date %>) - <% $record->charged %></OPTION>	
+%             $hidden .= '<INPUT TYPE="hidden" ID="inv'.$record->invnum.'" NAME="inv'.$record->invnum.'" VALUE="'.$record->owed.'">';
+            <OPTION VALUE="<% $record->invnum %>"><% $record->invnum %> (<% $read_date %>) - <% $record->owed %></OPTION>
 %         }
 
-	</SELECT>	
+	</SELECT>
+
+  <% $hidden %>
+
     </TD>
   </TR>
 
@@ -37,6 +41,7 @@ Example:
 
 my %opt = @_;
 my $status = $opt{'status'} ? $opt{'status'} : 'all';
+my $hidden;
 
 my @invoices;
 if ($status eq "all") { @invoices = $opt{'cust_main'}->cust_bill; }
diff --git a/httemplate/elements/tr-select-payment_options.html b/httemplate/elements/tr-select-payment_options.html
index 35e6def..f86f3ed 100644
--- a/httemplate/elements/tr-select-payment_options.html
+++ b/httemplate/elements/tr-select-payment_options.html
@@ -131,11 +131,12 @@ Example:
       function <% $opt{prefix} %>invoice_select_changed(what) {
 
         var surcharge;
+        var invdue = document.getElementById("<% $opt{prefix} %>inv" + what.value);
         if (document.getElementById('surcharge_percentage') || document.getElementById('surcharge_flatfee')) {
-          surcharge = (+what.value * +document.getElementById('surcharge_percentage').value) + +document.getElementById('surcharge_flatfee').value;
+          surcharge = (+invdue.value * +document.getElementById('surcharge_percentage').value) + +document.getElementById('surcharge_flatfee').value;
         }
         else { surcharge = 0; }
-        var amount = +what.value + +surcharge;
+        var amount = +invdue.value + +surcharge;
 
         if ( what.value == 'select' ) {
           $('#payment_amount_row').hide();