diff --git a/erpnext/buying/doctype/purchase_common/purchase_common.js b/erpnext/buying/doctype/purchase_common/purchase_common.js
index e21ff74..3681081 100644
--- a/erpnext/buying/doctype/purchase_common/purchase_common.js
+++ b/erpnext/buying/doctype/purchase_common/purchase_common.js
@@ -71,7 +71,7 @@
 	},
 
 	contact_person: function() {
-		this.supplier_address();
+		erpnext.utils.get_contact_details(this.frm);
 	},
 
 	buying_price_list: function() {
diff --git a/erpnext/selling/doctype/sales_order/sales_order.json b/erpnext/selling/doctype/sales_order/sales_order.json
index 6065ad5..5064703 100644
--- a/erpnext/selling/doctype/sales_order/sales_order.json
+++ b/erpnext/selling/doctype/sales_order/sales_order.json
@@ -175,7 +175,7 @@
    "fieldtype": "Data", 
    "hidden": 0, 
    "label": "PO No", 
-   "no_copy": 1, 
+   "no_copy": 0, 
    "oldfieldname": "po_no", 
    "oldfieldtype": "Data", 
    "permlevel": 0, 
@@ -1021,7 +1021,7 @@
  "idx": 1, 
  "is_submittable": 1, 
  "issingle": 0, 
- "modified": "2014-12-12 12:35:09.652211", 
+ "modified": "2014-12-16 10:36:47.295144", 
  "modified_by": "Administrator", 
  "module": "Selling", 
  "name": "Sales Order", 
diff --git a/erpnext/stock/doctype/delivery_note/delivery_note.json b/erpnext/stock/doctype/delivery_note/delivery_note.json
index 2eeba50..ec50b95 100644
--- a/erpnext/stock/doctype/delivery_note/delivery_note.json
+++ b/erpnext/stock/doctype/delivery_note/delivery_note.json
@@ -180,7 +180,7 @@
    "fieldtype": "Data", 
    "hidden": 0, 
    "label": "Customer's Purchase Order No", 
-   "no_copy": 0, 
+   "no_copy": 1, 
    "oldfieldname": "po_no", 
    "oldfieldtype": "Data", 
    "permlevel": 0, 
@@ -1013,7 +1013,7 @@
  "idx": 1, 
  "in_create": 0, 
  "is_submittable": 1, 
- "modified": "2014-12-12 12:36:59.262500", 
+ "modified": "2014-12-16 10:37:08.934881", 
  "modified_by": "Administrator", 
  "module": "Stock", 
  "name": "Delivery Note",