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diff --git a/rt/lib/RT/ObjectCustomField_Overlay.pm b/rt/lib/RT/ObjectCustomField_Overlay.pm
new file mode 100644
index 000000000..e1dc7e21b
--- /dev/null
+++ b/rt/lib/RT/ObjectCustomField_Overlay.pm
@@ -0,0 +1,101 @@
+# BEGIN BPS TAGGED BLOCK {{{
+# 
+# COPYRIGHT:
+#  
+# This software is Copyright (c) 1996-2005 Best Practical Solutions, LLC 
+#                                          <jesse@bestpractical.com>
+# 
+# (Except where explicitly superseded by other copyright notices)
+# 
+# 
+# LICENSE:
+# 
+# This work is made available to you under the terms of Version 2 of
+# the GNU General Public License. A copy of that license should have
+# been provided with this software, but in any event can be snarfed
+# from www.gnu.org.
+# 
+# This work is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# 
+# 
+# CONTRIBUTION SUBMISSION POLICY:
+# 
+# (The following paragraph is not intended to limit the rights granted
+# to you to modify and distribute this software under the terms of
+# the GNU General Public License and is only of importance to you if
+# you choose to contribute your changes and enhancements to the
+# community by submitting them to Best Practical Solutions, LLC.)
+# 
+# By intentionally submitting any modifications, corrections or
+# derivatives to this work, or any other work intended for use with
+# Request Tracker, to Best Practical Solutions, LLC, you confirm that
+# you are the copyright holder for those contributions and you grant
+# Best Practical Solutions,  LLC a nonexclusive, worldwide, irrevocable,
+# royalty-free, perpetual, license to use, copy, create derivative
+# works based on those contributions, and sublicense and distribute
+# those contributions and any derivatives thereof.
+# 
+# END BPS TAGGED BLOCK }}}
+package RT::ObjectCustomField;
+
+use strict;
+no warnings qw(redefine);
+
+sub Create {
+    my $self = shift;
+    my %args = ( 
+                CustomField => '0',
+                ObjectId => '0',
+		SortOrder => undef,
+		  @_);
+
+    if (!defined $args{SortOrder}) {
+	my $CF = $self->CustomFieldObj($args{'CustomField'});
+	my $ObjectCFs = RT::ObjectCustomFields->new($self->CurrentUser);
+	$ObjectCFs->LimitToObjectId($args{'ObjectId'});
+	$ObjectCFs->LimitToLookupType($CF->LookupType);
+
+	$args{SortOrder} = $ObjectCFs->Count + 1;
+    }
+
+    $self->SUPER::Create(
+                         CustomField => $args{'CustomField'},
+                         ObjectId => $args{'ObjectId'},
+                         SortOrder => $args{'SortOrder'},
+		     );
+}
+
+sub Delete {
+    my $self = shift;
+
+    my $ObjectCFs = RT::ObjectCustomFields->new($self->CurrentUser);
+    $ObjectCFs->LimitToObjectId($self->ObjectId);
+    $ObjectCFs->LimitToLookupType($self->CustomFieldObj->LookupType);
+
+    # Move everything below us up
+    my $sort_order = $self->SortOrder;
+    while (my $OCF = $ObjectCFs->Next) {
+	my $this_order = $OCF->SortOrder;
+	next if $this_order <= $sort_order; 
+	$OCF->SetSortOrder($this_order - 1);
+    }
+
+    $self->SUPER::Delete;
+}
+
+sub CustomFieldObj {
+    my $self = shift;
+    my $id = shift || $self->CustomField;
+    my $CF = RT::CustomField->new($self->CurrentUser);
+    $CF->Load($id) or die "Cannot load CustomField $id";
+    return $CF;
+}
+
+1;