X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=bin%2Fmozilla%2Fis.pl;h=7ac9f4d49a6432a83359c09f70085a90ee55a866;hb=d5c0d18a11c012e287f99d74365f42758f7e6b3b;hp=3fc4b2caaa5f65783d18d595ec53fa25d48266fc;hpb=ac517355778ec8b682f7cdd1ef203be99e545a53;p=kivitendo-erp.git

diff --git a/bin/mozilla/is.pl b/bin/mozilla/is.pl
index 3fc4b2caa..7ac9f4d49 100644
--- a/bin/mozilla/is.pl
+++ b/bin/mozilla/is.pl
@@ -31,23 +31,33 @@
 #
 #======================================================================
 
+use SL::FU;
 use SL::IS;
 use SL::PE;
+use SL::OE;
 use Data::Dumper;
-use List::Util qw(max);
+use List::Util qw(max sum);
 
 require "bin/mozilla/io.pl";
+require "bin/mozilla/invoice_io.pl";
 require "bin/mozilla/arap.pl";
 require "bin/mozilla/drafts.pl";
 
+use strict;
+
 1;
 
 # end of main
 
 sub add {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my $locale   = $main::locale;
 
-  return $lxdebug->leave_sub() if (load_draft_maybe());
+  $main::auth->assert('invoice_edit');
+
+  return $main::lxdebug->leave_sub() if (load_draft_maybe());
 
   if ($form->{type} eq "credit_note") {
     $form->{title} = $locale->text('Add Credit Note');
@@ -61,35 +71,38 @@ sub add {
   }
 
 
-  $form->{callback} =
-    "$form->{script}?action=add&type=$form->{type}&login=$form->{login}&password=$form->{password}"
-    unless $form->{callback};
+  $form->{callback} = "$form->{script}?action=add&type=$form->{type}" unless $form->{callback};
 
-  $form{jsscript} = "date";
+  $form->{jsscript} = "date";
 
-  if ($myconfig{acs} =~ "AR--Add Sales Invoice" || $myconfig{acs} =~ "AR--AR")
-  {
-    $form->error("Access Denied");
-  }
   &invoice_links;
   &prepare_invoice;
   &display_form;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub edit {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('invoice_edit');
 
   # show history button
   $form->{javascript} = qq|<script type="text/javascript" src="js/show_history.js"></script>|;
   #/show hhistory button
 
-  if ($myconfig{acs} =~ "AR--Add Sales Invoice" || $myconfig{acs} =~ "AR--AR")
-  {
-    $form->error("Access Denied");
+  if ($form->{type} eq "credit_note") {
+    $form->{title} = $locale->text('Edit Credit Note');
+    $form->{title} = $locale->text('Edit Storno Credit Note') if $form->{storno};
+  } else {
+    $form->{title} = $locale->text('Edit Sales Invoice');
+    $form->{title} = $locale->text('Edit Storno Invoice')     if $form->{storno};
   }
-  $edit = 1;
+
+  my ($language_id, $printer_id);
   if ($form->{print_and_post}) {
     $form->{action}   = "print";
     $form->{resubmit} = 1;
@@ -105,17 +118,22 @@ sub edit {
 
   &display_form;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub invoice_links {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+
+  $main::auth->assert('invoice_edit');
 
   $form->{vc} = 'customer';
 
   # create links
-  $form->{webdav}   = $webdav;
-  $form->{lizenzen} = $lizenzen;
+  $form->{webdav}   = $main::webdav;
+  $form->{lizenzen} = $main::lizenzen;
 
   $form->create_links("AR", \%myconfig, "customer");
 
@@ -126,109 +144,89 @@ sub invoice_links {
     }
   }
 
-  if ($form->{payment_id}) {
-    $payment_id = $form->{payment_id};
-  }
-  if ($form->{language_id}) {
-    $language_id = $form->{language_id};
-  }
-  if ($form->{taxzone_id}) {
-    $taxzone_id = $form->{taxzone_id};
-  }
-  if ($form->{id}) {
-    $id = $form->{id};
-  }
-  if ($form->{shipto_id}) {
-    $shipto_id = $form->{shipto_id};
-  }
+  my $editing = $form->{id};
+
+  $form->backup_vars(qw(payment_id language_id taxzone_id salesman_id taxincluded cp_id intnotes id shipto_id));
 
-  $cp_id = $form->{cp_id};
   IS->get_customer(\%myconfig, \%$form);
 
   #quote all_customer Bug 133
-  foreach $ref (@{ $form->{all_customer} }) {
+  foreach my $ref (@{ $form->{all_customer} }) {
     $ref->{name} = $form->quote($ref->{name});
   }
-  if ($id) {
-    $form->{id} = $id;
-  }
+
+  $form->restore_vars(qw(id));
+
   IS->retrieve_invoice(\%myconfig, \%$form);
-  $form->{cp_id} = $cp_id;
+  $form->restore_vars(qw(payment_id language_id taxzone_id intnotes cp_id shipto_id));
+  $form->restore_vars(qw(taxincluded)) if $form->{id};
+  $form->restore_vars(qw(salesman_id)) if $editing;
 
-  if ($payment_id) {
-    $form->{payment_id} = $payment_id;
-  }
-  if ($language_id) {
-    $form->{language_id} = $language_id;
-  }
-  if ($taxzone_id) {
-    $form->{taxzone_id} = $taxzone_id;
-  }
-  if ($shipto_id) {
-    $form->{shipto_id} = $shipto_id;
-  }
 
-  $form->{oldcustomer} = "$form->{customer}--$form->{customer_id}";
+  # build vendor/customer drop down comatibility... don't ask
+  if (@{ $form->{"all_customer"} }) {
+    $form->{"selectcustomer"} = 1;
+    $form->{customer}         = qq|$form->{customer}--$form->{"customer_id"}|;
+  }
 
-  # departments
-  if ($form->{all_departments}) {
-    $form->{selectdepartment} = "<option>\n";
-    $form->{department}       = "$form->{department}--$form->{department_id}";
+  $form->{"oldcustomer"}  = $form->{customer};
 
-    map {
-      $form->{selectdepartment} .=
-        "<option>$_->{description}--$_->{id}</option>\n"
-    } (@{ $form->{all_departments} });
+  if ($form->{"oldcustomer"} !~ m/--\d+$/ && $form->{"customer_id"}) {
+    $form->{"oldcustomer"} .= qq|--$form->{"customer_id"}|
   }
 
+
+#  $form->{oldcustomer} = "$form->{customer}--$form->{customer_id}";
+#  $form->{selectcustomer} = 1;
+
   $form->{employee} = "$form->{employee}--$form->{employee_id}";
 
   # forex
   $form->{forex} = $form->{exchangerate};
-  $exchangerate = ($form->{exchangerate}) ? $form->{exchangerate} : 1;
+  my $exchangerate = ($form->{exchangerate}) ? $form->{exchangerate} : 1;
 
-  foreach $key (keys %{ $form->{AR_links} }) {
-    foreach $ref (@{ $form->{AR_links}{$key} }) {
-      $form->{"select$key"} .=
-"<option>$ref->{accno}--$ref->{description}</option>\n";
+  foreach my $key (keys %{ $form->{AR_links} }) {
+    foreach my $ref (@{ $form->{AR_links}{$key} }) {
+      $form->{"select$key"} .= "<option>$ref->{accno}--$ref->{description}</option>\n";
     }
 
     if ($key eq "AR_paid") {
-      for $i (1 .. scalar @{ $form->{acc_trans}{$key} }) {
-        $form->{"AR_paid_$i"} =
-          "$form->{acc_trans}{$key}->[$i-1]->{accno}--$form->{acc_trans}{$key}->[$i-1]->{description}";
+      next unless $form->{acc_trans}{$key};
+      for my $i (1 .. scalar @{ $form->{acc_trans}{$key} }) {
+        $form->{"AR_paid_$i"}      = "$form->{acc_trans}{$key}->[$i-1]->{accno}--$form->{acc_trans}{$key}->[$i-1]->{description}";
 
         # reverse paid
-        $form->{"paid_$i"} = $form->{acc_trans}{$key}->[$i - 1]->{amount} * -1;
-        $form->{"datepaid_$i"} =
-          $form->{acc_trans}{$key}->[$i - 1]->{transdate};
-        $form->{"forex_$i"} = $form->{"exchangerate_$i"} =
-          $form->{acc_trans}{$key}->[$i - 1]->{exchangerate};
-        $form->{"source_$i"} = $form->{acc_trans}{$key}->[$i - 1]->{source};
-        $form->{"memo_$i"}   = $form->{acc_trans}{$key}->[$i - 1]->{memo};
+        $form->{"paid_$i"}         = $form->{acc_trans}{$key}->[$i - 1]->{amount} * -1;
+        $form->{"datepaid_$i"}     = $form->{acc_trans}{$key}->[$i - 1]->{transdate};
+        $form->{"exchangerate_$i"} = $form->{acc_trans}{$key}->[$i - 1]->{exchangerate};
+        $form->{"forex_$i"}        = $form->{"exchangerate_$i"};
+        $form->{"source_$i"}       = $form->{acc_trans}{$key}->[$i - 1]->{source};
+        $form->{"memo_$i"}         = $form->{acc_trans}{$key}->[$i - 1]->{memo};
 
         $form->{paidaccounts} = $i;
       }
     } else {
-      $form->{$key} =
-        "$form->{acc_trans}{$key}->[0]->{accno}--$form->{acc_trans}{$key}->[0]->{description}";
+      $form->{$key} = "$form->{acc_trans}{$key}->[0]->{accno}--$form->{acc_trans}{$key}->[0]->{description}";
     }
-
   }
 
   $form->{paidaccounts} = 1 unless (exists $form->{paidaccounts});
 
   $form->{AR} = $form->{AR_1} unless $form->{id};
 
-  $form->{locked} =
-    ($form->datetonum($form->{invdate}, \%myconfig) <=
-     $form->datetonum($form->{closedto}, \%myconfig));
+  $form->{locked} = ($form->datetonum($form->{invdate},  \%myconfig)
+                  <= $form->datetonum($form->{closedto}, \%myconfig));
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub prepare_invoice {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+
+  $main::auth->assert('invoice_edit');
 
   if ($form->{type} eq "credit_note") {
     $form->{type}     = "credit_note";
@@ -240,74 +238,60 @@ sub prepare_invoice {
 
   if ($form->{id}) {
 
-    map { $form->{$_} =~ s/\"/&quot;/g }
-      qw(invnumber ordnumber quonumber shippingpoint shipvia notes intnotes);
-
-    #     # get pricegroups for parts
-    #     IS->get_pricegroups_for_parts(\%myconfig, \%$form);
-
     my $i = 0;
 
-    foreach $ref (@{ $form->{invoice_details} }) {
+    foreach my $ref (@{ $form->{invoice_details} }) {
       $i++;
 
       map { $form->{"${_}_$i"} = $ref->{$_} } keys %{$ref};
-      $form->{"discount_$i"} =
-        $form->format_amount(\%myconfig, $form->{"discount_$i"} * 100);
-      ($dec) = ($form->{"sellprice_$i"} =~ /\.(\d+)/);
-      $dec           = length $dec;
-      $decimalplaces = ($dec > 2) ? $dec : 2;
 
-      $form->{"sellprice_$i"} =
-        $form->format_amount(\%myconfig, $form->{"sellprice_$i"},
-                             $decimalplaces);
+      $form->{"discount_$i"}   = $form->format_amount(\%myconfig, $form->{"discount_$i"} * 100);
+      my ($dec)                = ($form->{"sellprice_$i"} =~ /\.(\d+)/);
+      $dec                     = length $dec;
+      my $decimalplaces        = ($dec > 2) ? $dec : 2;
+
+      $form->{"sellprice_$i"}  = $form->format_amount(\%myconfig, $form->{"sellprice_$i"}, $decimalplaces);
+      (my $dec_qty)            = ($form->{"qty_$i"} =~ /\.(\d+)/);
+      $dec_qty                 = length $dec_qty;
 
-      (my $dec_qty) = ($form->{"qty_$i"} =~ /\.(\d+)/);
-      $dec_qty = length $dec_qty;
+      $form->{"lastcost_$i"}  = $form->format_amount(\%myconfig, $form->{"lastcost_$i"}, $decimalplaces);
 
-      $form->{"qty_$i"} =
-        $form->format_amount(\%myconfig, $form->{"qty_$i"}, $dec_qty);
+      $form->{"qty_$i"}        = $form->format_amount(\%myconfig, $form->{"qty_$i"}, $dec_qty);
 
-      map { $form->{"${_}_$i"} =~ s/\"/&quot;/g }
-        qw(partnumber description unit partnotes);
-      $form->{rowcount} = $i;
+      $form->{"sellprice_pg_$i"} = join ('--', $form->{"sellprice_$i"}, $form->{"pricegroup_id_$i"});
+
+      $form->{rowcount}        = $i;
 
     }
+
+    # get pricegroups for parts
+    IS->get_pricegroups_for_parts(\%myconfig, \%$form);
+    set_pricegroup($_) for 1 .. $form->{rowcount};
   }
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub form_header {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+  my $cgi      = $main::cgi;
+
+  $main::auth->assert('invoice_edit');
+
+  my %TMPL_VAR = ();
+  my @custom_hiddens;
 
   $form->{employee_id} = $form->{old_employee_id} if $form->{old_employee_id};
   $form->{salesman_id} = $form->{old_salesman_id} if $form->{old_salesman_id};
 
-  if ($edit) {
-    if ($form->{type} eq "credit_note") {
-      $form->{title} = $locale->text('Edit Credit Note');
-      $form->{title} = $locale->text('Edit Storno Credit Note') if $form->{storno};
-    } else {
-      $form->{title} = $locale->text('Edit Sales Invoice');
-      $form->{title} = $locale->text('Edit Storno Invoice')     if $form->{storno};
-    }
-  }
   $form->{defaultcurrency} = $form->get_default_currency(\%myconfig);
-  $form->{radier}          = ($form->current_date(\%myconfig) eq $form->{gldate}) ? 1 : 0;
 
-  $payment = qq|<option value=""></option>|;
-  foreach $item (@{ $form->{payment_terms} }) {
-    if ($form->{payment_id} eq $item->{id}) {
-      $payment .= qq|<option value="$item->{id}" selected>$item->{description}</option>|;
-    } else {
-      $payment .= qq|<option value="$item->{id}">$item->{description}</option>|;
-    }
-  }
-
-  my $set_duedate_url = "$form->{script}?login=$form->{login}&password=$form->{password}&action=set_duedate";
+  my $set_duedate_url = "$form->{script}?action=set_duedate";
 
-  my $pjx = new CGI::Ajax( 'set_duedate' => $set_duedate_url );
-  push(@ { $form->{AJAX} }, $pjx);
+  push @ { $form->{AJAX} }, new CGI::Ajax( 'set_duedate' => $set_duedate_url );
 
   my @old_project_ids = ($form->{"globalproject_id"});
   map { push @old_project_ids, $form->{"project_id_$_"} if $form->{"project_id_$_"}; } 1..$form->{"rowcount"};
@@ -317,883 +301,195 @@ sub form_header {
                    "projects"      => { "key"    => "ALL_PROJECTS",
                                         "all"    => 0,
                                         "old_id" => \@old_project_ids },
-                   "employees"     => "ALL_SALESMEN",
+                   "employees"     => "ALL_EMPLOYEES",
+                   "salesmen"      => "ALL_SALESMEN",
                    "taxzones"      => "ALL_TAXZONES",
                    "currencies"    => "ALL_CURRENCIES",
                    "customers"     => "ALL_CUSTOMERS",
+                   "departments"   => "all_departments",
                    "price_factors" => "ALL_PRICE_FACTORS");
 
-  my %labels;
-  my @values = (undef);
-  foreach my $item (@{ $form->{"ALL_CONTACTS"} }) {
-    push(@values, $item->{"cp_id"});
-    $labels{$item->{"cp_id"}} = $item->{"cp_name"} .  ($item->{"cp_abteilung"} ? " ($item->{cp_abteilung})" : "");
-  }
-  my $contact;
-  if (scalar @values > 1) {
-    $contact = qq|
-    <tr>
-      <th align="right">| . $locale->text('Contact Person') . qq|</th>
-      <td>| .  NTI($cgi->popup_menu('-name' => 'cp_id', '-values' => \@values, '-style' => 'width: 250px',
-                                    '-labels' => \%labels, '-default' => $form->{"cp_id"})) . qq|
-      </td>
-    </tr>|;
-  }
-
-  %labels = ();
-  @values = ();
-  foreach my $item (@{ $form->{"ALL_SALESMEN"} }) {
-    push(@values, $item->{"id"});
-    $labels{$item->{id}} = $item->{name} ne "" ? $item->{name} : $item->{login};
-  }
-
-  my $employees = qq|
-    <tr>
-      <th align="right">| . $locale->text('Employee') . qq|</th>
-      <td>| . NTI($cgi->popup_menu('-name' => 'employee_id', '-default' => $form->{"employee_id"},
-                                   '-values' => \@values, '-labels' => \%labels)) . qq|
-      </td>
-    </tr>|;
-
-
-  %labels = ();
-  @values = ();
-  foreach my $item (@{ $form->{"ALL_CUSTOMERS"} }) {
-    push(@values, $item->{name}.qq|--|.$item->{"id"});
-    $labels{$item->{name}.qq|--|.$item->{"id"}} = $item->{"name"};
-  }
-
-  $form->{selectcustomer} = ($myconfig{vclimit} > scalar(@values));
-
-  my $customers = qq|
-      <th align="right">| . $locale->text('Customer') . qq|</th>
-      <td>| .
-        (($myconfig{vclimit} <=  scalar(@values))
-              ? qq|<input type="text" value="| . H($form->{customer}) . qq|" name="customer">|
-              : (NTI($cgi->popup_menu('-name' => 'customer', '-default' => $form->{oldcustomer},
-                             '-onChange' => 'document.getElementById(\'update_button\').click();',
-                             '-values' => \@values, '-labels' => \%labels, '-style' => 'width: 250px')))) . qq|
-        <input type="button" value="?" onclick="show_vc_details('customer')">
-      </td>|;
-
-  %labels = ();
-  @values = ("");
-  foreach my $item (@{ $form->{"ALL_SHIPTO"} }) {
-    push(@values, $item->{"shipto_id"});
-    $labels{$item->{"shipto_id"}} = join "; ", grep { $_ } map { $item->{"shipto${_}" } } qw(name department_1 street city);
-  }
-
-  my $shipto;
-  if (scalar @values > 1) {
-    $shipto = qq|
-    <tr>
-      <th align="right">| . $locale->text('Shipping Address') . qq|</th>
-      <td>| . NTI($cgi->popup_menu('-name' => 'shipto_id', '-values' => \@values, '-style' => 'width: 250px',
-                                   '-labels' => \%labels, '-default' => $form->{"shipto_id"})). qq|
-      </td>|;
-  }
-
-  %labels = ();
-  @values = ();
-  foreach my $item (@{ $form->{"ALL_CURRENCIES"} }) {
-    push(@values, $item);
-    $labels{$item} = $item;
-  }
-
-  $form->{currency}        = $form->{defaultcurrency} unless $form->{currency};
-  my $currencies;
-  if (scalar @values) {
-    $currencies = qq|
-    <tr>
-      <th align="right">| . $locale->text('Currency') . qq|</th>
-      <td>| . NTI($cgi->popup_menu('-name' => 'currency', '-default' => $form->{"currency"},
-                                   '-values' => \@values, '-labels' => \%labels)) . qq|
-      </td>
-    </tr>|;
-  }
+  $TMPL_VAR{sales_employee_labels} = sub { $_[0]->{name} || $_[0]->{login} };
+  $TMPL_VAR{shipto_labels}         = sub { join "; ", grep { $_ } map { $_[0]->{"shipto${_}" } } qw(name department_1 street city) };
+  $TMPL_VAR{contact_labels}        = sub { join(', ', $_[0]->{"cp_name"}, $_[0]->{"cp_givenname"}) . ($_[0]->{cp_abteilung} ? " ($_[0]->{cp_abteilung})" : "") };
+  $TMPL_VAR{department_labels}     = sub { "$_[0]->{description}--$_[0]->{id}" };
+
+  # customer
+  $TMPL_VAR{vc_keys} = sub { "$_[0]->{name}--$_[0]->{id}" };
+  $TMPL_VAR{vclimit} = $myconfig{vclimit};
+  $TMPL_VAR{vc_select} = "customer_or_vendor_selection_window('customer', '', 0, 0)";
+  push @custom_hiddens, "customer_id";
+  push @custom_hiddens, "oldcustomer";
+  push @custom_hiddens, "selectcustomer";
+
+  # currencies and exchangerate
+  my @values = map { $_       } @{ $form->{ALL_CURRENCIES} };
+  my %labels = map { $_ => $_ } @{ $form->{ALL_CURRENCIES} };
+  $form->{currency}            = $form->{defaultcurrency} unless $form->{currency};
+  $TMPL_VAR{show_exchangerate} = $form->{currency} ne $form->{defaultcurrency};
+  $TMPL_VAR{currencies}        = NTI($::cgi->popup_menu('-name' => 'currency', '-default' => $form->{"currency"},
+                                                      '-values' => \@values, '-labels' => \%labels)) if scalar @values;
+  push @custom_hiddens, "forex";
+  push @custom_hiddens, "exchangerate" if $form->{forex};
+
+  $TMPL_VAR{creditwarning} = ($form->{creditlimit} != 0) && ($form->{creditremaining} < 0) && !$form->{update};
+  $TMPL_VAR{is_credit_remaining_negativ} = $form->{creditremaining} =~ /-/;
 
-  %labels = ();
-  @values = ("");
-  foreach my $item (@{ $form->{"ALL_PROJECTS"} }) {
-    push(@values, $item->{"id"});
-    $labels{$item->{"id"}} = $item->{"projectnumber"};
-  }
-  my $globalprojectnumber = NTI($cgi->popup_menu('-name' => 'globalproject_id', '-values' => \@values,
-                                                 '-labels' => \%labels,
-                                                 '-default' => $form->{"globalproject_id"}));
-
-  %labels = ();
-  @values = ();
-  foreach my $item (@{ $form->{ALL_SALESMEN} }) {
-    push(@values, $item->{id});
-    $labels{$item->{id}} = $item->{name} ne "" ? $item->{name} : $item->{login};
-  }
-
-  $salesman =
-    qq|<tr> <th align="right">| . $locale->text('Salesman') . qq|</th>
-         <td>| . NTI($cgi->popup_menu('-name' => 'salesman_id', '-values' => \@values, '-labels' => \%labels,
-                                      '-default' => $form->{salesman_id} ? $form->{salesman_id} : $form->{employee_id})) . qq|
-         </td>
-       </tr>|;
-
-  %labels = ();
-  @values = ();
-  foreach my $item (@{ $form->{"ALL_TAXZONES"} }) {
-    push(@values, $item->{"id"});
-    $labels{$item->{"id"}} = $item->{"description"};
-  }
+  $form->{fokus} = "invoice.customer";
 
-  if (!$form->{"id"}) {
-    $taxzone = qq|
-    <tr>
-      <th align="right">| . $locale->text('Steuersatz') . qq|</th>
-      <td>| . NTI($cgi->popup_menu('-name' => 'taxzone_id', '-default' => $form->{"taxzone_id"},
-                                   '-values' => \@values, '-labels' => \%labels, '-style' => 'width: 250px',)) . qq|
-      </td>
-    </tr>|;
+  my $follow_up_vc         =  $form->{customer};
+  $follow_up_vc            =~ s/--\d*\s*$//;
+  $TMPL_VAR{customer_name} = $follow_up_vc;
 
-  } else {
-    $taxzone = qq|
-    <tr>
-      <th align="right">| . $locale->text('Steuersatz') . qq|</th>
-      <td>
-        <input type="hidden" name="taxzone_id" value="| . H($form->{"taxzone_id"}) . qq|">
-        | . H($labels{$form->{"taxzone_id"}}) . qq|
-      </td>
-    </tr>|;
-  }
-
-  # set option selected
-  foreach $item (qw(AR customer currency department employee)) {
+# set option selected
+  foreach my $item (qw(AR)) {
     $form->{"select$item"} =~ s/ selected//;
     $form->{"select$item"} =~ s/option>\Q$form->{$item}\E/option selected>$form->{$item}/;
   }
 
-  $creditwarning = (($form->{creditlimit} != 0) && ($form->{creditremaining} < 0) && !$form->{update}) ? 1 : 0;
-
-  $form->{exchangerate}    = $form->format_amount(\%myconfig, $form->{exchangerate});
-  $form->{creditlimit}     = $form->format_amount(\%myconfig, $form->{creditlimit}, 0, "0");
-  $form->{creditremaining} = $form->format_amount(\%myconfig, $form->{creditremaining}, 0, "0");
-
-  $exchangerate = "";
-  if ($form->{currency} ne $form->{defaultcurrency}) {
-    if ($form->{forex}) {
-      $exchangerate .= qq|<th align="right">| . $locale->text('Exchangerate') . qq|</th>
-                          <td>$form->{exchangerate}<input type="hidden" name="exchangerate" value="$form->{exchangerate}"></td>|;
-    } else {
-      $exchangerate .= qq|<th align="right">| . $locale->text('Exchangerate') . qq|</th>
-                          <td><input name="exchangerate" size="10" value="$form->{exchangerate}"></td>|;
-    }
-  }
-  $exchangerate .= qq|\n<input type="hidden" name="forex" value="$form->{forex}">\n|;
-
-  $department = qq|
-              <tr>
-	        <th align="right" nowrap>| . $locale->text('Department') . qq|</th>
-		<td colspan="3"><select name="department" style="width: 250px">$form->{selectdepartment}</select>
-                  <input type="hidden" name="selectdepartment" value="$form->{selectdepartment}">
-		</td>
-	      </tr>
-| if $form->{selectdepartment};
-
-  $n = ($form->{creditremaining} =~ /-/) ? "0" : "1";
-
-  if ($form->{business}) {
-    $business = qq|
-	      <tr>
-          <th align="right">| . $locale->text('Customer type') . qq|</th>
-          <td>$form->{business}; | . $locale->text('Trade Discount') . qq| |
-      . $form->format_amount(\%myconfig, $form->{tradediscount} * 100)
-      . qq| %</td>
-        </tr>
-|;
-  }
-
-  if ($form->{max_dunning_level}) {
-    $dunning = qq|
-      <tr>
-        <th align="right">| . $locale->text('Max. Dunning Level') . qq|:</th>
-        <td>
-          <b>$form->{max_dunning_level}</b>;
-          | . $locale->text('Dunning Amount') . qq|: <b>|
-        . $form->format_amount(\%myconfig, $form->{dunning_amount},2)
-        . qq|</b>
-        </td>
-      </tr>
-|;
-  }
+  $TMPL_VAR{is_type_credit_note} = $form->{type}   eq "credit_note";
+  $TMPL_VAR{is_format_html}      = $form->{format} eq 'html';
+  $TMPL_VAR{dateformat}          = $myconfig{dateformat};
+  $TMPL_VAR{numberformat}        = $myconfig{numberformat};
 
-  $form->{fokus} = "invoice.customer";
+  # hiddens
+  $TMPL_VAR{HIDDENS} = [qw(
+    id action type media format queued printed emailed title vc discount
+    title creditlimit creditremaining tradediscount business closedto locked shipped storno storno_id
+    max_dunning_level dunning_amount
+    shiptoname shiptostreet shiptozipcode shiptocity shiptocountry  shiptocontact shiptophone shiptofax
+    shiptoemail shiptodepartment_1 shiptodepartment_2 message email subject cc bcc taxaccounts cursor_fokus
+    convert_from_do_ids convert_from_oe_ids
+  ), @custom_hiddens,
+  map { $_.'_rate', $_.'_description', $_.'_taxnumber' } split / /, $form->{taxaccounts}];
 
-  # use JavaScript Calendar or not
   $form->{jsscript} = 1;
-  $jsscript = "";
-  if ($form->{type} eq "credit_note") {
-    $button1 = qq|
-      <td><input name="invdate" id="invdate" size="11" title="$myconfig{dateformat}" value="$form->{invdate}" onBlur=\"check_right_date_format(this)\">
-       <input type="button" name="invdate" id="trigger1" value="|
-      . $locale->text('button') . qq|"></td>|;
-
-    #write Trigger
-    $jsscript =
-      Form->write_trigger(\%myconfig,     "1",
-                          "invdate",      "BL",
-                          "trigger1");
-  } else {
-    $button1 = qq|
-      <td><input name="invdate" id="invdate" size="11" title="$myconfig{dateformat}" value="$form->{invdate}" onBlur=\"check_right_date_format(this)\">
-       <input type="button" name="invdate" id="trigger1" value="|
-      . $locale->text('button') . qq|"></td>
-      |;
-    $button2 = qq|
-      <td width="13"><input name="duedate" id="duedate" size="11" title="$myconfig{dateformat}" value="$form->{duedate}" onBlur=\"check_right_date_format(this)\">
-       <input type="button" name="duedate" id="trigger2" value="|
-      . $locale->text('button') . qq|"></td></td>
-    |;
-    $button3 = qq|
-      <td width="13"><input name="deliverydate" id="deliverydate" size="11" title="$myconfig{dateformat}" value="$form->{deliverydate}" onBlur=\"check_right_date_format(this)\">
-       <input type="button" name="deliverydate" id="trigger3" value="|
-      . $locale->text('button') . qq|"></td></td>
-    |;
-
-    #write Trigger
-    $jsscript =
-      Form->write_trigger(\%myconfig,     "3",
-                          "invdate",      "BL", "trigger1", 
-                          "duedate",      "BL", "trigger2",
-                          "deliverydate", "BL", "trigger3");
-  }
-
-  $credittext = $locale->text('Credit Limit exceeded!!!');
-  $onload = ($form->{resubmit} && ($form->{format} eq "html")) ? qq|window.open('about:blank','Beleg'); document.invoice.target = 'Beleg';document.invoice.submit()|
-          : ($form->{resubmit})                                ? qq|document.invoice.submit()|
-          : ($creditwarning)                                   ? qq|alert('$credittext')|
-          :                                                      "focus()";
-  $onload .= qq|;setupDateFormat('|. $myconfig{dateformat} .qq|', '|. $locale->text("Falsches Datumsformat!") .qq|')|;
-  $onload .= qq|;setupPoints('|. $myconfig{numberformat} .qq|', '|. $locale->text("wrongformat") .qq|')|;
-
-  $form->{javascript} .= qq|<script type="text/javascript" src="js/show_form_details.js"></script>|;
-  $form->{javascript} .= qq|<script type="text/javascript" src="js/show_vc_details.js"></script>|;
-
-  $jsscript .=
-    $form->write_trigger(\%myconfig, 2,
-                         "orddate", "BL", "trigger_orddate",
-                         "quodate", "BL", "trigger_quodate");
-  # show history button js
-  $form->{javascript} .= qq|<script type="text/javascript" src="js/show_history.js"></script>|;
-  #/show history button js
-  $form->header;
-
-  print qq|
-<body onLoad="$onload">
-<script type="text/javascript" src="js/common.js"></script>
-<script type="text/javascript" src="js/delivery_customer_selection.js"></script>
-<script type="text/javascript" src="js/vendor_selection.js"></script>
-<script type="text/javascript" src="js/calculate_qty.js"></script>
-
-<form method="post" name="invoice" action="$form->{script}">
-| ;
-
-  $form->hide_form(qw(id action type media format queued printed emailed title vc discount
-                      creditlimit creditremaining tradediscount business closedto locked shipped storno storno_id
-                      max_dunning_level dunning_amount
-                      shiptoname shiptostreet shiptozipcode shiptocity shiptocountry  shiptocontact shiptophone shiptofax 
-                      shiptoemail shiptodepartment_1 shiptodepartment_2 message email subject cc bcc taxaccounts),
-                      map { $_.'_rate', $_.'_description', $_.'_taxnumber' } split / /, $form->{taxaccounts} );
-   
-  print qq|<p>$form->{saved_message}</p>| if $form->{saved_message};
+  $form->header();
 
-  print qq|
+  print $form->parse_html_template("is/form_header", \%TMPL_VAR);
 
-<input type="hidden" name="lizenzen" value="$lizenzen">
-
-<div class="listtop" width="100%">$form->{title}</div>
-
-<table width="100%">
-  <tr>
-    <td valign="top">
-      <table>
-        <tr>
-          $customers
-          <input type="hidden" name="customer_klass" value="$form->{customer_klass}">
-          <input type="hidden" name="customer_id" value="$form->{customer_id}">
-          <input type="hidden" name="oldcustomer" value="$form->{oldcustomer}">
-          <input type="hidden" name="selectcustomer" value="$form->{selectcustomer}">
-        </tr>
-        $contact
-        $shipto
-        <tr>
-          <td align="right">| . $locale->text('Credit Limit') . qq|</td>
-          <td>$form->{creditlimit}; | . $locale->text('Remaining') . qq| <span class="plus$n">$form->{creditremaining}</span></td>
-        </tr>
-        $dunning
-        $business
-	      <tr>
-		<th align="right" nowrap>| . $locale->text('Record in') . qq|</th>
-		<td colspan="3"><select name="AR" style="width:250px;">$form->{selectAR}</select></td>
-		<input type="hidden" name="selectAR" value="$form->{selectAR}">
-	      </tr>
-              $taxzone
-	      $department
-	      <tr>
-    $currencies
-		<input type="hidden" name="fxgain_accno" value="$form->{fxgain_accno}">
-		<input type="hidden" name="fxloss_accno" value="$form->{fxloss_accno}">
-		$exchangerate
-	      </tr>
-	      <tr>
-		<th align="right" nowrap>| . $locale->text('Shipping Point') . qq|</th>
-		<td colspan="3"> | .
-		$cgi->textfield("-name" => "shippingpoint", "-size" => 35, "-value" => $form->{shippingpoint}) .
-	  qq|</tr>
-	      <tr>
-		<th align="right" nowrap>| . $locale->text('Ship via') . qq|</th>
-		<td colspan="3"><input name="shipvia" size="35" value="$form->{shipvia}"></td>
-	      </tr>
-              <tr>
-                <th align="right">| . $locale->text('Transaction description') . qq|</th>
-                <td colspan="3">| . $cgi->textfield("-name" => "transaction_description", "-size" => 35, "-value" => $form->{transaction_description}) . qq|</td>
-              </tr>|;
-#               <tr>
-#                 <td colspan=4>
-#                   <table>
-#                     <tr>
-#                       <td colspan=2>
-#                         <button type="button" onclick="delivery_customer_selection_window('delivery_customer_string','delivery_customer_id')">| . $locale->text('Choose Customer') . qq|</button>
-#                       </td>
-#                       <td colspan=2><input type=hidden name=delivery_customer_id value="$form->{delivery_customer_id}">
-#                       <input size=45 id=delivery_customer_string name=delivery_customer_string value="$form->{delivery_customer_string}"></td>
-#                     </tr>
-#                     <tr>
-#                       <td colspan=2>
-#                         <button type="button" onclick="vendor_selection_window('delivery_vendor_string','delivery_vendor_id')">| . $locale->text('Choose Vendor') . qq|</button>
-#                       </td>
-#                       <td colspan=2><input type=hidden name=delivery_vendor_id value="$form->{delivery_vendor_id}">
-#                       <input size=45 id=delivery_vendor_string name=delivery_vendor_string value="$form->{delivery_vendor_string}"></td>
-#                     </tr>
-#                   </table>
-#                 </td>
-#               </tr>
-print qq|	    </table>
-	  </td>
-	  <td align="right" valign="top">
-	    <table>
-	      $employees
-        $salesman
-|;
-if ($form->{type} eq "credit_note") {
-print qq|     <tr>
-		<th align="right" nowrap>| . $locale->text('Credit Note Number') . qq|</th>
-		<td><input name="invnumber" size="11" value="$form->{invnumber}"></td>
-	      </tr>
-	      <tr>
-		<th align="right">| . $locale->text('Credit Note Date') . qq|</th>
-                $button1
-	      </tr>|;
-} else {
-print qq|     <tr>
-		<th align="right" nowrap>| . $locale->text('Invoice Number') . qq|</th>
-		<td><input name="invnumber" size="11" value="$form->{invnumber}"></td>
-	      </tr>
-	      <tr>
-		<th align="right">| . $locale->text('Invoice Date') . qq|</th>
-                $button1
-	      </tr>
-	      <tr>
-		<th align="right">| . $locale->text('Due Date') . qq|</th>
-                $button2
-	      </tr>
-	      <tr>
-		<th align="right">| . $locale->text('Delivery Date') . qq|</th>
-                $button3
-	      </tr>|;
-}
-print qq|     <tr>
-		<th align="right" nowrap>| . $locale->text('Order Number') . qq|</th>
-		<td><input name="ordnumber" size="11" value="$form->{ordnumber}"></td>
-	      </tr>
-        <tr>
-          <th align="right" nowrap>| . $locale->text('Order Date') . qq|</th>
-          <td><input name="orddate" id="orddate" size="11" title="$myconfig{dateformat}" value="| . Q($form->{orddate}) . qq|" onBlur=\"check_right_date_format(this)\">
-           <input type="button" name="b_orddate" id="trigger_orddate" value="?"></td>
-        </tr>
-	      <tr>
-		<th align="right" nowrap>| . $locale->text('Quotation Number') . qq|</th>
-		<td><input name="quonumber" size="11" value="$form->{quonumber}"></td>
-	      </tr>
-        <tr>
-          <th align="right" nowrap>| . $locale->text('Quotation Date') . qq|</th>
-          <td><input name="quodate" id="quodate" size="11" title="$myconfig{dateformat}" value="| . Q($form->{quodate}) . qq|" onBlur=\"check_right_date_format(this)\">
-           <input type="button" name="b_quodate" id="trigger_quodate" value="?"></td>
-        </tr>
-	      <tr>
-		<th align="right" nowrap>| . $locale->text('Customer Order Number') . qq|</th>
-		<td><input name="cusordnumber" size="11" value="$form->{cusordnumber}"></td>
-	      </tr>
-	      <tr>
-          <th align="right" nowrap>| . $locale->text('Project Number') . qq|</th>
-          <td>$globalprojectnumber</td>
-	      </tr>
-	    </table>
-          </td>
-	</tr>
-      </table>
-    </td>
-  </tr>
-  <tr>
-    <td>
-    </td>
-  </tr> 
-  $jsscript
-|;
-  print qq|<input type="hidden" name="webdav" value="$webdav">|;
-
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub form_footer {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
 
-  $form->{invtotal} = $form->{invsubtotal};
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
 
-  if (($rows = $form->numtextrows($form->{notes}, 26, 8)) < 2) {
-    $rows = 2;
-  }
-  if (($introws = $form->numtextrows($form->{intnotes}, 35, 8)) < 2) {
-    $introws = 2;
-  }
-  $rows = ($rows > $introws) ? $rows : $introws;
-  $notes =
-    qq|<textarea name="notes" rows="$rows" cols="26" wrap="soft">$form->{notes}</textarea>|;
-  $intnotes =
-    qq|<textarea name="intnotes" rows="$rows" cols="35" wrap="soft">$form->{intnotes}</textarea>|;
-
-  $form->{taxincluded} = ($form->{taxincluded} ? "checked" : "");
-
-  $taxincluded = "";
-  if ($form->{taxaccounts}) {
-    $taxincluded = qq|
-	        <input name="taxincluded" class="checkbox" type="checkbox" $form->{taxincluded}> <b>|
-      . $locale->text('Tax Included') . qq|</b><br><br>|;
-  }
-
-  if (!$form->{taxincluded}) {
+  $main::auth->assert('invoice_edit');
 
-    foreach $item (split / /, $form->{taxaccounts}) {
-      if ($form->{"${item}_base"}) {
-        $form->{"${item}_total"} =
-          $form->round_amount(
-                             $form->{"${item}_base"} * $form->{"${item}_rate"},
-                             2);
-        $form->{invtotal} += $form->{"${item}_total"};
-        $form->{"${item}_total"} =
-          $form->format_amount(\%myconfig, $form->{"${item}_total"}, 2);
-
-        $tax .= qq|
-	      <tr>
-                <th align="right">$form->{"${item}_description"}&nbsp;|
-                                    . $form->{"${item}_rate"} * 100 .qq|%</th>
-		<td align="right">$form->{"${item}_total"}</td>
-	      </tr>
-|;
-      }
-    }
+  $form->{invtotal}    = $form->{invsubtotal};
+  $form->{oldinvtotal} = $form->{invtotal};
 
-    $form->{invsubtotal} =
-      $form->format_amount(\%myconfig, $form->{invsubtotal}, 2, 0);
+  # note rows
+  $form->{rows} = max 2,
+    $form->numtextrows($form->{notes},    26, 8),
+    $form->numtextrows($form->{intnotes}, 35, 8);
 
-    $subtotal = qq|
-	      <tr>
-		<th align="right">| . $locale->text('Subtotal') . qq|</th>
-		<td align="right">$form->{invsubtotal}</td>
-	      </tr>
-|;
 
-  }
+  # tax, total and subtotal calculations
+  my ($tax, $subtotal);
+  $form->{taxaccounts_array} = [ split / /, $form->{taxaccounts} ];
 
-  if ($form->{taxincluded}) {
-    foreach $item (split / /, $form->{taxaccounts}) {
-      if ($form->{"${item}_base"}) {
-        $form->{"${item}_total"} =
-          $form->round_amount(
-                           ($form->{"${item}_base"} * $form->{"${item}_rate"} /
-                              (1 + $form->{"${item}_rate"})
-                           ),
-                           2);
-        $form->{"${item}_netto"} =
-          $form->round_amount(
-                          ($form->{"${item}_base"} - $form->{"${item}_total"}),
-                          2);
-        $form->{"${item}_total"} =
-          $form->format_amount(\%myconfig, $form->{"${item}_total"}, 2);
-        $form->{"${item}_netto"} =
-          $form->format_amount(\%myconfig, $form->{"${item}_netto"}, 2);
-
-        $tax .= qq|
-	      <tr>
-		<th align="right">Enthaltene $form->{"${item}_description"}&nbsp;|
-		                    . $form->{"${item}_rate"} * 100 .qq|%</th>
-		<td align="right">$form->{"${item}_total"}</td>
-	      </tr>
-	      <tr>
-	        <th align="right">Nettobetrag</th>
-		<td align="right">$form->{"${item}_netto"}</td>
-	      </tr>
-|;
+  foreach my $item (@{ $form->{taxaccounts_array} }) {
+    if ($form->{"${item}_base"}) {
+      if ($form->{taxincluded}) {
+        $form->{"${item}_total"} = $form->round_amount( ($form->{"${item}_base"} * $form->{"${item}_rate"}
+                                                                                 / (1 + $form->{"${item}_rate"})), 2);
+        $form->{"${item}_netto"} = $form->round_amount( ($form->{"${item}_base"} - $form->{"${item}_total"}), 2);
+      } else {
+        $form->{"${item}_total"} = $form->round_amount( $form->{"${item}_base"} * $form->{"${item}_rate"}, 2);
+        $form->{invtotal} += $form->{"${item}_total"};
       }
     }
-
-  }
-
-  $form->{oldinvtotal} = $form->{invtotal};
-  $form->{invtotal}    =
-    $form->format_amount(\%myconfig, $form->{invtotal}, 2, 0);
-
-  print qq|
-  <tr>
-    <td>
-      <table width="100%">
-	<tr valign="bottom">
-	  <td>
-	    <table>
-	      <tr>
-		<th align="left">| . $locale->text('Notes') . qq|</th>
-		<th align="left">| . $locale->text('Internal Notes') . qq|</th>
-                <th align="right">| . $locale->text('Payment Terms') . qq|</th>
-	      </tr>
-	      <tr valign="top">
-		<td>$notes</td>
-		<td>$intnotes</td>
-                <td><select name="payment_id" onChange="if (this.value) set_duedate(['payment_id__' + this.value],['duedate'])">$payment
-                </select></td>
-	      </tr>
-	    </table>
-	  </td>
-          <td>
-            <table>
-            <tr>
-              <th  align=left>| . $locale->text('Ertrag') . qq|</th>
-              <td>| .  $form->format_amount(\%myconfig, $form->{marge_total}, 2, 0) . qq|</td>
-            </tr>
-            <tr>
-              <th  align=left>| . $locale->text('Ertrag prozentual') . qq|</th>
-              <td>| .  $form->format_amount(\%myconfig, $form->{marge_percent}, 2, 0) . qq| %</td>
-            </tr>
-            <input type=hidden name="marge_total" value="$form->{"marge_total"}">
-            <input type=hidden name="marge_percent" value="$form->{"marge_percent"}">
-            </table>
-          </td>
-	  <td align="right">
-	    $taxincluded
-	    <table>
-	      $subtotal
-	      $tax
-	      <tr>
-		<th align="right">| . $locale->text('Total') . qq|</th>
-		<td align="right">$form->{invtotal}</td>
-	      </tr>
-	    </table>
-	  </td>
-	</tr>
-      </table>
-    </td>
-  </tr>
-|;
-  if ($webdav) {
-    $webdav_list = qq|
-  <tr>
-    <td><hr size="3" noshade></td>
-  </tr>
-  <tr>
-    <th class="listtop" align="left">Dokumente im Webdav-Repository</th>
-  </tr>
-    <table width="100%">
-      <td align="left" width="30%"><b>Dateiname</b></td>
-      <td align="left" width="70%"><b>Webdavlink</b></td>
-|;
-    foreach $file (@{ $form->{WEBDAV} }) {
-      $webdav_list .= qq|
-      <tr>
-        <td align="left">$file->{name}</td>
-        <td align="left"><a href="$file->{link}">$file->{type}</a></td>
-      </tr>
-|;
-    }
-    $webdav_list .= qq|
-    </table>
-  </tr>
-|;
-
-    print $webdav_list;
   }
-if ($form->{type} eq "credit_note") {
-  print qq|
-  <tr>
-    <td>
-      <table width="100%">
-	<tr class="listheading">
-	  <th colspan="6" class="listheading">|
-    . $locale->text('Payments') . qq|</th>
-	</tr>
-|;
-} else {
-  print qq|
-  <tr>
-    <td>
-      <table width="100%">
-	<tr class="listheading">
-	  <th colspan="6" class="listheading">|
-    . $locale->text('Incoming Payments') . qq|</th>
-	</tr>
-|;
-}
 
-  if ($form->{currency} eq $form->{defaultcurrency}) {
-    @column_index = qw(datepaid source memo paid AR_paid);
-  } else {
-    @column_index = qw(datepaid source memo paid exchangerate AR_paid);
+  # follow ups
+  if ($form->{id}) {
+    $form->{follow_ups}            = FU->follow_ups('trans_id' => $form->{id}) || [];
+    $form->{follow_ups_unfinished} = ( sum map { $_->{due} * 1 } @{ $form->{follow_ups} } ) || 0;
   }
 
-  $column_data{datepaid}     = "<th>" . $locale->text('Date') . "</th>";
-  $column_data{paid}         = "<th>" . $locale->text('Amount') . "</th>";
-  $column_data{exchangerate} = "<th>" . $locale->text('Exch') . "</th>";
-  $column_data{AR_paid}      = "<th>" . $locale->text('Account') . "</th>";
-  $column_data{source}       = "<th>" . $locale->text('Source') . "</th>";
-  $column_data{memo}         = "<th>" . $locale->text('Memo') . "</th>";
-
-  print "
-	<tr>
-";
-  map { print "$column_data{$_}\n" } @column_index;
-  print "
-        </tr>
-";
-
-  my @triggers  = ();
+  # payments
   my $totalpaid = 0;
-
   $form->{paidaccounts}++ if ($form->{"paid_$form->{paidaccounts}"});
-  for $i (1 .. $form->{paidaccounts}) {
+  $form->{paid_indices} = [ 1 .. $form->{paidaccounts} ];
 
-    print "
-        <tr>\n";
+  # Standard Konto für Umlaufvermögen
+  my $accno_arap = IS->get_standard_accno_current_assets(\%myconfig, \%$form);
 
+  for my $i (1 .. $form->{paidaccounts}) {
     $form->{"selectAR_paid_$i"} = $form->{selectAR_paid};
-    $form->{"selectAR_paid_$i"} =~
-      s/option>\Q$form->{"AR_paid_$i"}\E/option selected>$form->{"AR_paid_$i"}/;
-
-    # format amounts
-    $totalpaid += $form->{"paid_$i"};
-    if ($form->{"paid_$i"}) {
-      $form->{"paid_$i"} =
-        $form->format_amount(\%myconfig, $form->{"paid_$i"}, 2);
-    }
-    $form->{"exchangerate_$i"} =
-      $form->format_amount(\%myconfig, $form->{"exchangerate_$i"});
-
-    if ($form->{"exchangerate_$i"} == 0) {
-      $form->{"exchangerate_$i"} = "";
-    }
-    $exchangerate = qq|&nbsp;|;
-    if ($form->{currency} ne $form->{defaultcurrency}) {
-      if ($form->{"forex_$i"}) {
-        $exchangerate = qq|<input type="hidden" name="exchangerate_$i" value="$form->{"exchangerate_$i"}">$form->{"exchangerate_$i"}|;
-      } else {
-        $exchangerate = qq|<input name="exchangerate_$i" size="10" value="$form->{"exchangerate_$i"}">|;
-      }
+    if (!$form->{"AR_paid_$i"}) {
+      $form->{"selectAR_paid_$i"} =~ s/option>$accno_arap--(.*?)</option selected>$accno_arap--$1</;
+    } else {
+      $form->{"selectAR_paid_$i"} =~ s/option>\Q$form->{"AR_paid_$i"}\E/option selected>$form->{"AR_paid_$i"}/;
     }
 
-    $exchangerate .= qq|<input type="hidden" name="forex_$i" value="$form->{"forex_$i"}">|;
-
-    $column_data{"paid_$i"} =
-      qq|<td align="center"><input name="paid_$i" size="11" value="$form->{"paid_$i"}" onBlur=\"check_right_number_format(this)\"></td>|;
-    $column_data{"exchangerate_$i"} = qq|<td align="center">$exchangerate</td>|;
-    $column_data{"AR_paid_$i"}      =
-      qq|<td align="center"><select name="AR_paid_$i">$form->{"selectAR_paid_$i"}</select></td>|;
-    $column_data{"datepaid_$i"} =
-      qq|<td align="center"><input id="datepaid_$i" name="datepaid_$i"  size="11" title="$myconfig{dateformat}" value="$form->{"datepaid_$i"}" onBlur=\"check_right_date_format(this)\">
-         <input type="button" name="datepaid_$i" id="trigger_datepaid_$i" value="?"></td>|;
-    $column_data{"source_$i"} =
-      qq|<td align=center><input name="source_$i" size="11" value="$form->{"source_$i"}"></td>|;
-    $column_data{"memo_$i"} =
-      qq|<td align="center"><input name="memo_$i" size="11" value="$form->{"memo_$i"}"></td>|;
-
-    map { print qq|$column_data{"${_}_$i"}\n| } @column_index;
-    print "
-        </tr>\n";
-    push(@triggers, "datepaid_$i", "BL", "trigger_datepaid_$i");
-  }
-
-  my $paid_missing = $form->{oldinvtotal} - $totalpaid;
-
-  print qq|
-    <tr>
-      <td></td>
-      <td></td>
-      <td align="center">| . $locale->text('Total') . qq|</td>
-      <td align="center">| . H($form->format_amount(\%myconfig, $totalpaid, 2)) . qq|</td>
-    </tr>
-    <tr>
-      <td></td>
-      <td></td>
-      <td align="center">| . $locale->text('Missing amount') . qq|</td>
-      <td align="center">| . H($form->format_amount(\%myconfig, $paid_missing, 2)) . qq|</td>
-    </tr>
-|;
-
-  map({ print($cgi->hidden("-name" => $_, "-value" => $form->{$_})); } qw(paidaccounts selectAR_paid oldinvtotal));
-  print qq|<input type="hidden" name="oldtotalpaid" value="$totalpaid">
-    </table>
-    </td>
-  </tr>
-  <tr>
-    <td><hr size="3" noshade></td>
-  </tr>
-  <tr>
-    <td>
-|;
-
-  print_options();
-
-  print qq|
-    </td>
-  </tr>
-</table>
-|;
-
-  $invdate  = $form->datetonum($form->{invdate},  \%myconfig);
-  $closedto = $form->datetonum($form->{closedto}, \%myconfig);
-
-  if ($form->{id}) {
-    my $show_storno = !$form->{storno} && !IS->has_storno(\%myconfig, $form, "ar");
-
-    print qq|
-    <input class="submit" type="submit" accesskey="u" name="action" id="update_button" value="|
-      . $locale->text('Update') . qq|">
-    <input class="submit" type="submit" name="action" value="|
-      . $locale->text('Ship to') . qq|">
-    <input class="submit" type="submit" name="action" value="|
-      . $locale->text('Print') . qq|">
-    <input class="submit" type="submit" name="action" value="|
-      . $locale->text('E-mail') . qq|"> |;
-    print qq|<input class="submit" type="submit" name="action" value="|
-      . $locale->text('Storno') . qq|"> | if ($show_storno);
-    print qq|<input class="submit" type="submit" name="action" value="|
-      . $locale->text('Post Payment') . qq|">
-|;
-    print qq|<input class="submit" type="submit" name="action" value="|
-      . $locale->text('Use As Template') . qq|">
-|;
-  if ($form->{id} && !($form->{type} eq "credit_note")) {
-    print qq|
-    <input class="submit" type="submit" name="action" value="|
-      . $locale->text('Credit Note') . qq|">
-|;
-  }
-    if ($form->{radier}) {
-    print qq|
-    <input class="submit" type="submit" name="action" value="|
-      . $locale->text('Delete') . qq|">
-|;
+    $totalpaid += $form->{"paid_$i"};
   }
 
+  print $form->parse_html_template('is/form_footer', {
+    is_type_credit_note => ($form->{type} eq "credit_note"),
+    totalpaid           => $totalpaid,
+    paid_missing        => $form->{invtotal} - $totalpaid,
+    print_options       => print_options(inline => 1),
+    show_storno         => $form->{id} && !$form->{storno} && !IS->has_storno(\%myconfig, $form, "ar") && !$totalpaid,
+    show_delete         => ($form->current_date(\%myconfig) eq $form->{gldate}),
+  });
+##print $form->parse_html_template('is/_payments'); # parser
+##print $form->parse_html_template('webdav/_list'); # parser
 
-    if ($invdate > $closedto) {
-      print qq|
-      <input class="submit" type="submit" name="action" value="|
-        . $locale->text('Order') . qq|">
-|;
-    }
-
-  } else {
-    if ($invdate > $closedto) {
-      print qq|<input class="submit" type="submit" name="action" id="update_button" value="|
-        . $locale->text('Update') . qq|">
-      <input class="submit" type="submit" name="action" value="|
-        . $locale->text('Ship to') . qq|">
-      <input class="submit" type="submit" name="action" value="|
-        . $locale->text('Preview') . qq|">
-      <input class="submit" type="submit" name="action" value="|
-        . $locale->text('E-mail') . qq|">
-      <input class="submit" type="submit" name="action" value="|
-        . $locale->text('Print and Post') . qq|">
-      <input class="submit" type="submit" name="action" value="|
-        . $locale->text('Post') . qq|"> | .
-        NTI($cgi->submit('-name' => 'action', '-value' => $locale->text('Save draft'),
-                         '-class' => 'submit'));
-    }
-  }
+  $main::lxdebug->leave_sub();
+}
 
-  # button for saving history
-  if($form->{id} ne "") {
-    print qq|
-  	  <input type="button" class="submit" onclick="set_history_window(|
-  	  . Q($form->{id})
-  	  . qq|);" name="history" id="history" value="|
-  	  . $locale->text('history')
-  	  . qq|"> |;
-  }
-  # /button for saving history
-  
-  # mark_as_paid button 
-  if($form->{id} ne "") {  
-    print qq|<input type="submit" class="submit" name="action" value="| 
-          . $locale->text('mark as paid') . qq|">|;
-  }
-  # /mark_as_paid button
-  print $form->write_trigger(\%myconfig, scalar(@triggers) / 3, @triggers) .
-    qq|
-
-<input type="hidden" name="rowcount" value="$form->{rowcount}">
-| .
-$cgi->hidden("-name" => "callback", "-value" => $form->{callback})
-. $cgi->hidden('-name' => 'draft_id', '-default' => [$form->{draft_id}])
-. $cgi->hidden('-name' => 'draft_description', '-default' => [$form->{draft_description}]);
-map({ print $cgi->hidden("-name" => $_ , "-value" => $form->{$_});} qw(login password));
-print qq|
-</form>
+sub mark_as_paid {
+  $main::lxdebug->enter_sub();
 
-</body>
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
 
- </html>
-|;
+  $main::auth->assert('invoice_edit');
 
-  $lxdebug->leave_sub();
-}
+  &mark_as_paid_common(\%myconfig,"ar");
 
-sub mark_as_paid {
-  $lxdebug->enter_sub();
-  &mark_as_paid_common(\%myconfig,"ar");  
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub update {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+
+  $main::auth->assert('invoice_edit');
 
   my ($recursive_call) = shift;
 
-  map { $form->{$_} = $form->parse_amount(\%myconfig, $form->{$_}) } qw(exchangerate creditlimit creditremaining) unless $recursive_call;
+#  map { $form->{$_} = $form->parse_amount(\%myconfig, $form->{$_}) } qw(exchangerate creditlimit creditremaining) unless $recursive_call;
 
   $form->{print_and_post} = 0         if $form->{second_run};
-  $taxincluded            = "checked" if $form->{taxincluded};
+  my $taxincluded            = "checked" if $form->{taxincluded};
   $form->{update} = 1;
 
-  &check_name(customer);
+  &check_name("customer");
 
   $form->{taxincluded} ||= $taxincluded;
 
-  $form->{exchangerate} = $exchangerate if
-    $form->{forex} = $exchangerate = $form->check_exchangerate(\%myconfig, $form->{currency}, $form->{invdate}, 'buy');
+  $form->{forex}        = $form->check_exchangerate(\%myconfig, $form->{currency}, $form->{invdate}, 'buy');
+  $form->{exchangerate} = $form->{forex} if $form->{forex};
 
-  for $i (1 .. $form->{paidaccounts}) {
+  for my $i (1 .. $form->{paidaccounts}) {
     next unless $form->{"paid_$i"};
     map { $form->{"${_}_$i"} = $form->parse_amount(\%myconfig, $form->{"${_}_$i"}) } qw(paid exchangerate);
-    $form->{"exchangerate_$i"} = $exchangerate if
-      $form->{"forex_$i"} = $exchangerate = $form->check_exchangerate(\%myconfig, $form->{currency}, $form->{"datepaid_$i"}, 'buy');
+    $form->{"forex_$i"}        = $form->check_exchangerate(\%myconfig, $form->{currency}, $form->{"datepaid_$i"}, 'buy');
+    $form->{"exchangerate_$i"} = $form->{"forex_$i"} if $form->{"forex_$i"};
   }
 
-  $i            = $form->{rowcount};
-  $exchangerate = $form->{exchangerate} || 1;
+  my $i            = $form->{rowcount};
+  my $exchangerate = $form->{exchangerate} || 1;
 
   # if last row empty, check the form otherwise retrieve new item
   if (   ($form->{"partnumber_$i"} eq "")
@@ -1207,9 +503,13 @@ sub update {
 
     IS->retrieve_item(\%myconfig, \%$form);
 
-    $rows = scalar @{ $form->{item_list} };
+    my $rows = scalar @{ $form->{item_list} };
 
-    $form->{"discount_$i"} = $form->format_amount(\%myconfig, $form->{discount} * 100);
+    # Falls kein Kundenrabatt vorhanden ist, den aktuellen Rabatt nicht mit 0% überschreiben,
+    # da hier der Anwender schon manual einen Wert eingetragen haben könnte (analog zu qty) Bugfix: 1412
+    if ($form->{customer_discount}){
+      $form->{"discount_$i"} = $form->format_amount(\%myconfig, $form->{customer_discount} * 100);
+    }
 
     if ($rows) {
       $form->{"qty_$i"} = ($form->{"qty_$i"} * 1) ? $form->{"qty_$i"} : 1;
@@ -1217,22 +517,22 @@ sub update {
       if ($rows > 1) {
 
         &select_item;
-        exit;
+        ::end_of_request();
 
       } else {
 
-        $sellprice = $form->parse_amount(\%myconfig, $form->{"sellprice_$i"});
+        my $sellprice = $form->parse_amount(\%myconfig, $form->{"sellprice_$i"});
 
         map { $form->{item_list}[$i]{$_} =~ s/\"/&quot;/g } qw(partnumber description unit);
         map { $form->{"${_}_$i"} = $form->{item_list}[0]{$_} } keys %{ $form->{item_list}[0] };
-        
+
         $form->{payment_id}    = $form->{"part_payment_id_$i"} if $form->{"part_payment_id_$i"} ne "";
         $form->{"discount_$i"} = 0                             if $form->{"not_discountable_$i"};
 
         $form->{"marge_price_factor_$i"} = $form->{item_list}->[0]->{price_factor};
 
         ($sellprice || $form->{"sellprice_$i"}) =~ /\.(\d+)/;
-        $decimalplaces = max 2, length $1;
+        my $decimalplaces = max 2, length $1;
 
         if ($sellprice) {
           $form->{"sellprice_$i"} = $sellprice;
@@ -1244,21 +544,21 @@ sub update {
 
         $form->{"listprice_$i"} /= $exchangerate;
 
-        $amount = $form->{"sellprice_$i"} * $form->{"qty_$i"} * (1 - $form->{"discount_$i"} / 100);
+        my $amount = $form->{"sellprice_$i"} * $form->{"qty_$i"} * (1 - $form->{"discount_$i"} / 100);
         map { $form->{"${_}_base"} = 0 }                                 split / /, $form->{taxaccounts};
         map { $form->{"${_}_base"} += $amount }                          split / /, $form->{"taxaccounts_$i"};
         map { $amount += ($form->{"${_}_base"} * $form->{"${_}_rate"}) } split / /, $form->{"taxaccounts_$i"} if !$form->{taxincluded};
 
         $form->{creditremaining} -= $amount;
 
-        map { $form->{"${_}_$i"} = $form->format_amount(\%myconfig, $form->{"${_}_$i"}, $decimalplaces) } qw(sellprice listprice);
+        map { $form->{"${_}_$i"} = $form->format_amount(\%myconfig, $form->{"${_}_$i"}, $decimalplaces) } qw(sellprice listprice lastcost);
 
         $form->{"qty_$i"} = $form->format_amount(\%myconfig, $form->{"qty_$i"});
 
-        if ($lizenzen) {
+        if ($main::lizenzen) {
           if ($form->{"inventory_accno_$i"} ne "") {
             $form->{"lizenzen_$i"} = qq|<option></option>|;
-            foreach $item (@{ $form->{LIZENZEN}{ $form->{"id_$i"} } }) {
+            foreach my $item (@{ $form->{LIZENZEN}{ $form->{"id_$i"} } }) {
               $form->{"lizenzen_$i"} .= qq|<option value="$item->{"id"}">$item->{"licensenumber"}</option>|;
             }
             $form->{"lizenzen_$i"} .= qq|<option value=-1>Neue Lizenz</option>|;
@@ -1292,21 +592,27 @@ sub update {
       }
     }
   }
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub post_payment {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('invoice_edit');
+
+  my $invdate = $form->datetonum($form->{invdate}, \%myconfig);
 
   $form->{defaultcurrency} = $form->get_default_currency(\%myconfig);
-  for $i (1 .. $form->{paidaccounts}) {
+  for my $i (1 .. $form->{paidaccounts}) {
     if ($form->{"paid_$i"}) {
-      $datepaid = $form->datetonum($form->{"datepaid_$i"}, \%myconfig);
+      my $datepaid = $form->datetonum($form->{"datepaid_$i"}, \%myconfig);
 
       $form->isblank("datepaid_$i", $locale->text('Payment date missing!'));
 
-      $form->error($locale->text('Cannot post payment for a closed period!'))
-        if ($datepaid <= $closedto);
 
       if ($form->{currency} ne $form->{defaultcurrency}) {
         $form->{"exchangerate_$i"} = $form->{exchangerate}
@@ -1316,6 +622,18 @@ sub post_payment {
       }
     }
   }
+  # Abgeschlossene Zeiträume nur für den letzten (aktuellen) Zahlungseingang prüfen
+  # Details s.a. Bug 1502
+  # Das Problem ist jetzt, dass man Zahlungseingänge nachträglich ändern kann
+  # Wobei dies für Installationen die sowieso nicht mit Bücherkontrolle arbeiten keinen
+  # keinen Unterschied macht.
+  # Optimal wäre, wenn gegen einen Zeitstempel des Zahlungsfelds geprüft würde ...
+  # Das Problem hierbei ist, dass in IS.pm post_invoice IMMER alle Zahlungseingänge aus $form
+  # erneut gespeichert werden. Prinzipiell wäre es besser NUR die Änderungen des Rechnungs-
+  # belegs (neue Zahlung aber nichts anderes) zu speichern ...
+  # Vielleicht könnte man ähnlich wie bei Rechnung löschen verfahren 
+  $form->error($locale->text('Cannot post payment for a closed period!'))
+    if ($form->date_closed($form->{"datepaid_$form->{paidaccounts}"}, \%myconfig));
 
   ($form->{AR})      = split /--/, $form->{AR};
   ($form->{AR_paid}) = split /--/, $form->{AR_paid};
@@ -1325,32 +643,48 @@ sub post_payment {
     $form->error($locale->text('Cannot post payment!'));
 
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub post {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('invoice_edit');
 
   $form->{defaultcurrency} = $form->get_default_currency(\%myconfig);
   $form->isblank("invdate",  $locale->text('Invoice Date missing!'));
   $form->isblank("customer", $locale->text('Customer missing!'));
+  $form->error($locale->text('Cannot post invoice for a closed period!'))
+        if ($form->date_closed($form->{"invdate"}, \%myconfig));
 
   $form->{invnumber} =~ s/^\s*//g;
   $form->{invnumber} =~ s/\s*$//g;
 
   # if oldcustomer ne customer redo form
-  if (&check_name(customer)) {
+  if (&check_name('customer')) {
     &update;
+    ::end_of_request();
+  }
+
+  if ($myconfig{mandatory_departments} && !$form->{department_id}) {
+    $form->{saved_message} = $::locale->text('You have to specify a department.');
+    update();
     exit;
   }
+
   if ($form->{second_run}) {
     $form->{print_and_post} = 0;
   }
 
+  remove_emptied_rows();
   &validate_items;
 
-  $closedto = $form->datetonum($form->{closedto}, \%myconfig);
-  $invdate  = $form->datetonum($form->{invdate},  \%myconfig);
+  my $closedto = $form->datetonum($form->{closedto}, \%myconfig);
+  my $invdate  = $form->datetonum($form->{invdate},  \%myconfig);
 
   $form->error($locale->text('Cannot post invoice for a closed period!'))
     if ($invdate <= $closedto);
@@ -1358,14 +692,14 @@ sub post {
   $form->isblank("exchangerate", $locale->text('Exchangerate missing!'))
     if ($form->{currency} ne $form->{defaultcurrency});
 
-  for $i (1 .. $form->{paidaccounts}) {
+  for my $i (1 .. $form->{paidaccounts}) {
     if ($form->parse_amount(\%myconfig, $form->{"paid_$i"})) {
-      $datepaid = $form->datetonum($form->{"datepaid_$i"}, \%myconfig);
+      my $datepaid = $form->datetonum($form->{"datepaid_$i"}, \%myconfig);
 
       $form->isblank("datepaid_$i", $locale->text('Payment date missing!'));
 
       $form->error($locale->text('Cannot post payment for a closed period!'))
-        if ($datepaid <= $closedto);
+        if ($form->date_closed($form->{"datepaid_$i"}, \%myconfig));
 
       if ($form->{currency} ne $form->{defaultcurrency}) {
         $form->{"exchangerate_$i"} = $form->{exchangerate}
@@ -1400,33 +734,47 @@ sub post {
 
   if(!exists $form->{addition}) {
     $form->{snumbers} = qq|invnumber_| . $form->{invnumber};
-    $form->{addition} = $print_post     ? "PRINTED AND POSTED" :
-                        $form->{storno} ? "STORNO"             :
-                                          "POSTED";
-    $form->save_history($form->dbconnect(\%myconfig));
+    $form->{addition} = $form->{print_and_post} ? "PRINTED AND POSTED" :
+                        $form->{storno}         ? "STORNO"             :
+                                                  "POSTED";
+    $form->save_history;
   }
 
-  $form->redirect( $form->{label} . " $form->{invnumber} " . $locale->text('posted!'))
-    unless $print_post;
+  if (!$form->{no_redirect_after_post}) {
+    $form->{action} = 'edit';
+    $form->{script} = 'is.pl';
+    $form->{saved_message} = $form->{label} . " $form->{invnumber} " . $locale->text('posted!');
+    $form->{callback} = build_std_url(qw(action edit id saved_message));
+    $form->redirect;
+  }
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub print_and_post {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
 
-  $old_form               = new Form;
-  $print_post             = 1;
-  $form->{print_and_post} = 1;
+  $main::auth->assert('invoice_edit');
+
+  my $old_form                    = new Form;
+  $form->{no_redirect_after_post} = 1;
+  $form->{print_and_post}         = 1;
   &post();
 
   &edit();
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 
 }
 
 sub use_as_template {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+
+  $main::auth->assert('invoice_edit');
 
   map { delete $form->{$_} } qw(printed emailed queued invnumber invdate deliverydate id datepaid_1 source_1 memo_1 paid_1 exchangerate_1 AP_paid_1 storno);
   $form->{paidaccounts} = 1;
@@ -1434,11 +782,17 @@ sub use_as_template {
   $form->{invdate} = $form->current_date(\%myconfig);
   &display_form;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub storno {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('invoice_edit');
 
   if ($form->{storno}) {
     $form->error($locale->text('Cannot storno storno invoice!'));
@@ -1448,9 +802,7 @@ sub storno {
     $form->error($locale->text("Invoice has already been storno'd!"));
   }
 
-  map({ my $key = $_; delete($form->{$key})
-          unless (grep({ $key eq $_ } qw(login password id stylesheet type))); }
-      keys(%{ $form }));
+  map({ my $key = $_; delete($form->{$key}) unless (grep({ $key eq $_ } qw(id login password stylesheet type))); } keys(%{ $form }));
 
   invoice_links();
   prepare_invoice();
@@ -1467,23 +819,33 @@ sub storno {
   $form->{rowcount}++;
 
   post();
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub preview {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+
+  $main::auth->assert('invoice_edit');
 
   $form->{preview} = 1;
-  $old_form = new Form;
+  my $old_form = new Form;
   for (keys %$form) { $old_form->{$_} = $form->{$_} }
 
   &print_form($old_form);
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 
 }
 
 sub delete {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('invoice_edit');
+
   if ($form->{second_run}) {
     $form->{print_and_post} = 0;
   }
@@ -1498,7 +860,8 @@ sub delete {
   # delete action variable
   map { delete $form->{$_} } qw(action header);
 
-  foreach $key (keys %$form) {
+  foreach my $key (keys %$form) {
+    next if (($key eq 'login') || ($key eq 'password') || ('' ne ref $form->{$key}));
     $form->{$key} =~ s/\"/&quot;/g;
     print qq|<input type="hidden" name="$key" value="$form->{$key}">\n|;
   }
@@ -1517,11 +880,17 @@ sub delete {
 </form>
 |;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub credit_note {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('invoice_edit');
 
   $form->{transdate} = $form->{invdate} = $form->current_date(\%myconfig);
   $form->{duedate} =
@@ -1534,8 +903,6 @@ sub credit_note {
 
   $form->{title}  = $locale->text('Add Credit Note');
   $form->{script} = 'is.pl';
-  $script         = "is";
-  $buysell        = 'buy';
 
 
   # bo creates the id, reset it
@@ -1545,69 +912,80 @@ sub credit_note {
   $form->{type} = "credit_note";
 
 
-  map { $form->{"select$_"} = "" } ($form->{vc}, currency);
+  map { $form->{"select$_"} = "" } ($form->{vc}, 'currency');
 
-  map { $form->{$_} = $form->parse_amount(\%myconfig, $form->{$_}) }
-    qw(creditlimit creditremaining);
+#  map { $form->{$_} = $form->parse_amount(\%myconfig, $form->{$_}) }
+#    qw(creditlimit creditremaining);
 
-  $currency = $form->{currency};
+  my $currency = $form->{currency};
   &invoice_links;
 
   $form->{currency}     = $currency;
-  $form->{exchangerate} = "";
-  $form->{forex}        = "";
-  $form->{exchangerate} = $exchangerate
-    if (
-        $form->{forex} = (
-                    $exchangerate =
-                      $form->check_exchangerate(
-                      \%myconfig, $form->{currency}, $form->{invdate}, $buysell
-                      )));
+  $form->{forex}        = $form->check_exchangerate( \%myconfig, $form->{currency}, $form->{invdate}, 'buy');
+  $form->{exchangerate} = $form->{forex} || '';
 
   $form->{creditremaining} -= ($form->{oldinvtotal} - $form->{ordtotal});
 
+  # bei Gutschriften werden Zahlungseingänge aus Rechnung nicht übernommen
+  for my $i (1 .. $form->{paidaccounts}) {
+    delete $form->{"paid_$i"};
+    delete $form->{"source_$i"};
+    delete $form->{"memo_$i"};
+    delete $form->{"datepaid_$i"};
+    delete $form->{"AR_paid_$i"};
+  };
+  $form->{paidaccounts} = 1;
+
   &prepare_invoice;
 
 
   &display_form;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub yes {
-  $lxdebug->enter_sub();
-  if (IS->delete_invoice(\%myconfig, \%$form, $spool)) {
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('invoice_edit');
+
+  if (IS->delete_invoice(\%myconfig, \%$form, $main::spool)) {
     # saving the history
-  	if(!exists $form->{addition}) {
+    if(!exists $form->{addition}) {
     $form->{snumbers} = qq|invnumber_| . $form->{invnumber};
-  	  $form->{addition} = "DELETED";
-  	  $form->save_history($form->dbconnect(\%myconfig));
+      $form->{addition} = "DELETED";
+      $form->save_history;
     }
     # /saving the history
     $form->redirect($locale->text('Invoice deleted!'));
   }
   $form->error($locale->text('Cannot delete invoice!'));
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub e_mail {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+
+  $main::auth->assert('invoice_edit');
 
   if (!$form->{id}) {
-    $print_post = 1;
+    $form->{no_redirect_after_post} = 1;
 
     my $saved_form = save_form();
 
     post();
 
-    my %saved_vars;
-    map({ $saved_vars{$_} = $form->{$_}; } qw(id invnumber));
-    restore_form($saved_form);
-    map({ $form->{$_} = $saved_vars{$_}; } qw(id invnumber));
+    restore_form($saved_form, 0, qw(id invnumber));
   }
 
   edit_e_mail();
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }