diff --git a/stock/DocType Mapper/Delivery Note-Packing Slip/Delivery Note-Packing Slip.txt b/stock/DocType Mapper/Delivery Note-Packing Slip/Delivery Note-Packing Slip.txt
index 6459a0b..79b17c2 100644
--- a/stock/DocType Mapper/Delivery Note-Packing Slip/Delivery Note-Packing Slip.txt
+++ b/stock/DocType Mapper/Delivery Note-Packing Slip/Delivery Note-Packing Slip.txt
@@ -1,71 +1,78 @@
 [
  {
-  "owner": "Administrator", 
+  "creation": "2012-02-02 11:50:33", 
   "docstatus": 0, 
-  "creation": "2012-02-22 15:45:56", 
+  "modified": "2013-04-05 16:08:22", 
   "modified_by": "Administrator", 
-  "modified": "2012-02-22 15:45:56"
+  "owner": "Administrator"
  }, 
  {
-  "name": "__common__", 
-  "parent": "Delivery Note-Packing Slip", 
   "doctype": "Table Mapper Detail", 
-  "parenttype": "DocType Mapper", 
-  "parentfield": "table_mapper_details"
- }, 
- {
   "name": "__common__", 
   "parent": "Delivery Note-Packing Slip", 
+  "parentfield": "table_mapper_details", 
+  "parenttype": "DocType Mapper"
+ }, 
+ {
   "doctype": "Field Mapper Detail", 
-  "parenttype": "DocType Mapper", 
-  "parentfield": "field_mapper_details"
- }, 
- {
   "name": "__common__", 
-  "to_doctype": "Packing Slip", 
-  "module": "Stock", 
+  "parent": "Delivery Note-Packing Slip", 
+  "parentfield": "field_mapper_details", 
+  "parenttype": "DocType Mapper"
+ }, 
+ {
   "doctype": "DocType Mapper", 
+  "from_doctype": "Delivery Note", 
+  "module": "Stock", 
+  "name": "__common__", 
   "ref_doc_submitted": 0, 
-  "from_doctype": "Delivery Note"
+  "to_doctype": "Packing Slip"
  }, 
  {
-  "name": "Delivery Note-Packing Slip", 
-  "doctype": "DocType Mapper"
+  "doctype": "DocType Mapper", 
+  "name": "Delivery Note-Packing Slip"
  }, 
  {
+  "doctype": "Field Mapper Detail", 
+  "from_field": "name", 
   "map": "Yes", 
   "match_id": 0, 
-  "to_field": "delivery_note", 
-  "doctype": "Field Mapper Detail", 
-  "from_field": "name"
+  "to_field": "delivery_note"
  }, 
  {
+  "doctype": "Field Mapper Detail", 
+  "from_field": "qty", 
   "map": "No", 
   "match_id": 1, 
-  "to_field": "qty", 
-  "doctype": "Field Mapper Detail", 
-  "from_field": "qty"
+  "to_field": "qty"
  }, 
  {
+  "doctype": "Field Mapper Detail", 
+  "from_field": "naming_series", 
   "map": "No", 
   "match_id": 0, 
-  "to_field": "naming_series", 
-  "doctype": "Field Mapper Detail", 
-  "from_field": "naming_series"
+  "to_field": "naming_series"
  }, 
  {
-  "match_id": 0, 
+  "doctype": "Field Mapper Detail", 
+  "from_field": "name", 
+  "map": "Yes", 
+  "match_id": 1, 
+  "to_field": "dn_detail"
+ }, 
+ {
   "doctype": "Table Mapper Detail", 
   "from_table": "Delivery Note", 
+  "match_id": 0, 
   "to_table": "Packing Slip", 
   "validation_logic": "docstatus=0"
  }, 
  {
-  "match_id": 1, 
-  "to_field": "item_details", 
   "doctype": "Table Mapper Detail", 
   "from_field": "delivery_note_details", 
   "from_table": "Delivery Note Item", 
+  "match_id": 1, 
+  "to_field": "item_details", 
   "to_table": "Packing Slip Item", 
   "validation_logic": "IFNULL(packed_qty, 0) < IFNULL(qty, 0)"
  }
diff --git a/stock/doctype/packing_slip/packing_slip.js b/stock/doctype/packing_slip/packing_slip.js
index e9396d9..4c20289 100644
--- a/stock/doctype/packing_slip/packing_slip.js
+++ b/stock/doctype/packing_slip/packing_slip.js
@@ -35,7 +35,6 @@
 cur_frm.add_fetch("item_code", "weight_uom", "weight_uom");
 
 cur_frm.cscript.onload_post_render = function(doc, cdt, cdn) {
-	console.log(make_doclist(cdt, cdn));
 	if(doc.delivery_note && doc.__islocal) {
 		var ps_detail = getchildren('Packing Slip Item', doc.name, 'item_details');
 		if(!(flt(ps_detail.net_weight) && cstr(ps_detail.weight_uom))) {
@@ -100,7 +99,7 @@
 cur_frm.cscript.validate_duplicate_items = function(doc, ps_detail) {
 	for(var i=0; i<ps_detail.length; i++) {
 		for(var j=0; j<ps_detail.length; j++) {
-			if(i!=j && ps_detail[i].item_code==ps_detail[j].item_code) {
+			if(i!=j && ps_detail[i].dn_detail && ps_detail[i].dn_detail==ps_detail[j].dn_detail) {
 				msgprint("You have entered duplicate items. Please rectify and try again.");
 				validated = false;
 				return;
diff --git a/stock/doctype/packing_slip/packing_slip.py b/stock/doctype/packing_slip/packing_slip.py
index 72682b2..fb2fd53 100644
--- a/stock/doctype/packing_slip/packing_slip.py
+++ b/stock/doctype/packing_slip/packing_slip.py
@@ -128,6 +128,7 @@
 		"""
 		item['recommended_qty'] = (flt(item['qty']) - flt(item['packed_qty'])) / no_of_cases
 		item['specified_qty'] = flt(ps_item_qty[item['item_code']])
+		if not item['packed_qty']: item['packed_qty'] = 0
 		
 		webnotes.msgprint("""
 			Invalid Quantity specified (%(specified_qty)s %(stock_uom)s).
diff --git a/stock/doctype/packing_slip/packing_slip.txt b/stock/doctype/packing_slip/packing_slip.txt
index ac25189..32ac16b 100644
--- a/stock/doctype/packing_slip/packing_slip.txt
+++ b/stock/doctype/packing_slip/packing_slip.txt
@@ -1,8 +1,8 @@
 [
  {
-  "creation": "2013-01-10 16:34:28", 
+  "creation": "2013-03-07 18:50:31", 
   "docstatus": 0, 
-  "modified": "2013-01-22 14:56:40", 
+  "modified": "2013-04-05 15:40:59", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -48,12 +48,14 @@
   "doctype": "DocField", 
   "fieldname": "packing_slip_details", 
   "fieldtype": "Section Break", 
-  "label": "Packing Slip Items"
+  "label": "Packing Slip Items", 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
   "fieldname": "column_break0", 
-  "fieldtype": "Column Break"
+  "fieldtype": "Column Break", 
+  "read_only": 0
  }, 
  {
   "description": "Indicates that the package is a part of this delivery", 
@@ -62,12 +64,14 @@
   "fieldtype": "Link", 
   "label": "Delivery Note", 
   "options": "Delivery Note", 
+  "read_only": 0, 
   "reqd": 1
  }, 
  {
   "doctype": "DocField", 
   "fieldname": "column_break1", 
-  "fieldtype": "Column Break"
+  "fieldtype": "Column Break", 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
@@ -77,17 +81,20 @@
   "no_copy": 0, 
   "options": "PS", 
   "print_hide": 1, 
+  "read_only": 0, 
   "reqd": 1
  }, 
  {
   "doctype": "DocField", 
   "fieldname": "section_break0", 
-  "fieldtype": "Section Break"
+  "fieldtype": "Section Break", 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
   "fieldname": "column_break2", 
-  "fieldtype": "Column Break"
+  "fieldtype": "Column Break", 
+  "read_only": 0
  }, 
  {
   "description": "Identification of the package for the delivery (for print)", 
@@ -96,13 +103,15 @@
   "fieldtype": "Data", 
   "label": "From Package No.", 
   "no_copy": 1, 
+  "read_only": 0, 
   "reqd": 1, 
   "width": "50px"
  }, 
  {
   "doctype": "DocField", 
   "fieldname": "column_break3", 
-  "fieldtype": "Column Break"
+  "fieldtype": "Column Break", 
+  "read_only": 0
  }, 
  {
   "description": "If more than one package of the same type (for print)", 
@@ -111,26 +120,30 @@
   "fieldtype": "Data", 
   "label": "To Package No.", 
   "no_copy": 1, 
+  "read_only": 0, 
   "width": "50px"
  }, 
  {
   "doctype": "DocField", 
   "fieldname": "package_item_details", 
   "fieldtype": "Section Break", 
-  "label": "Package Item Details"
+  "label": "Package Item Details", 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
   "fieldname": "item_details", 
   "fieldtype": "Table", 
   "label": "Items", 
-  "options": "Packing Slip Item"
+  "options": "Packing Slip Item", 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
   "fieldname": "package_weight_details", 
   "fieldtype": "Section Break", 
-  "label": "Package Weight Details"
+  "label": "Package Weight Details", 
+  "read_only": 0
  }, 
  {
   "description": "The net weight of this package. (calculated automatically as sum of net weight of items)", 
@@ -144,15 +157,17 @@
  {
   "doctype": "DocField", 
   "fieldname": "net_weight_uom", 
-  "fieldtype": "Data", 
+  "fieldtype": "Link", 
   "label": "Net Weight UOM", 
   "no_copy": 1, 
+  "options": "UOM", 
   "read_only": 1
  }, 
  {
   "doctype": "DocField", 
   "fieldname": "column_break4", 
-  "fieldtype": "Column Break"
+  "fieldtype": "Column Break", 
+  "read_only": 0
  }, 
  {
   "description": "The gross weight of the package. Usually net weight + packaging material weight. (for print)", 
@@ -160,7 +175,8 @@
   "fieldname": "gross_weight_pkg", 
   "fieldtype": "Float", 
   "label": "Gross Weight", 
-  "no_copy": 1
+  "no_copy": 1, 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
@@ -168,13 +184,15 @@
   "fieldtype": "Link", 
   "label": "Gross Weight UOM", 
   "no_copy": 1, 
-  "options": "UOM"
+  "options": "UOM", 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
   "fieldname": "misc_details", 
   "fieldtype": "Section Break", 
-  "label": "Misc Details"
+  "label": "Misc Details", 
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
@@ -194,7 +212,8 @@
   "fieldtype": "Date", 
   "label": "Amendment Date", 
   "no_copy": 1, 
-  "print_hide": 1
+  "print_hide": 1, 
+  "read_only": 0
  }, 
  {
   "doctype": "DocPerm", 
diff --git a/stock/doctype/packing_slip_item/packing_slip_item.txt b/stock/doctype/packing_slip_item/packing_slip_item.txt
index 40ff066..a9d2fdf 100644
--- a/stock/doctype/packing_slip_item/packing_slip_item.txt
+++ b/stock/doctype/packing_slip_item/packing_slip_item.txt
@@ -1,8 +1,8 @@
 [
  {
-  "creation": "2013-02-22 01:28:02", 
+  "creation": "2013-03-07 11:42:59", 
   "docstatus": 0, 
-  "modified": "2013-03-07 07:03:26", 
+  "modified": "2013-04-05 16:06:40", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -32,6 +32,7 @@
   "label": "Item Code", 
   "options": "Item", 
   "print_width": "100px", 
+  "read_only": 0, 
   "reqd": 1, 
   "width": "100px"
  }, 
@@ -50,6 +51,7 @@
   "fieldtype": "Float", 
   "label": "Quantity", 
   "print_width": "100px", 
+  "read_only": 0, 
   "reqd": 1, 
   "width": "100px"
  }, 
@@ -85,6 +87,14 @@
   "doctype": "DocField", 
   "fieldname": "page_break", 
   "fieldtype": "Check", 
-  "label": "Page Break"
+  "label": "Page Break", 
+  "read_only": 0
+ }, 
+ {
+  "doctype": "DocField", 
+  "fieldname": "dn_detail", 
+  "fieldtype": "Data", 
+  "hidden": 1, 
+  "label": "DN Detail"
  }
 ]
\ No newline at end of file