added button, method in Purchase Order to fetch Supplier Quotation Items
diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.py b/erpnext/buying/doctype/purchase_order/purchase_order.py
index 40b7281..d84d06e 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.py
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.py
@@ -86,7 +86,7 @@
 		if self.doc.indent_no:
 			get_obj('DocType Mapper','Purchase Request-Purchase Order').dt_map('Purchase Request','Purchase Order',self.doc.indent_no, self.doc, self.doclist, "[['Purchase Request','Purchase Order'],['Purchase Request Item', 'Purchase Order Item']]")
 			pcomm = get_obj('Purchase Common')
-			for d in getlist(self.doclist, 'po_details'):			
+			for d in getlist(self.doclist, 'po_details'):
 				if d.item_code and not d.purchase_rate:
 					last_purchase_details, last_purchase_date = pcomm.get_last_purchase_details(d.item_code, self.doc.name)
 					if last_purchase_details:
@@ -99,6 +99,19 @@
 						d.import_rate = d.purchase_rate / conversion_rate						
 					else:
 						d.purchase_ref_rate = d.discount_rate = d.purchase_rate = d.import_ref_rate = d.import_rate = 0.0
+						
+	def get_supplier_quotation_items(self):
+		if self.doc.supplier_quotation:
+			get_obj("DocType Mapper", "Supplier Quotation-Purchase Order").dt_map("Supplier Quotation",
+				"Purchase Order", self.doc.supplier_quotation, self.doc, self.doclist,
+				"""[['Supplier Quotation', 'Purchase Order'],
+				['Supplier Quotation Item', 'Purchase Order Item'],
+				['Purchase Taxes and Charges', 'Purchase Taxes and Charges']]""")
+			self.get_default_schedule_date()
+			for d in getlist(self.doclist, 'po_details'):
+				if d.prevdoc_detail_docname and not d.schedule_date:
+					d.schedule_date = webnotes.conn.get_value("Purchase Request Item",
+							d.prevdoc_detail_docname, "schedule_date")
 	
 	def get_tc_details(self):
 		"""get terms & conditions"""
diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.txt b/erpnext/buying/doctype/purchase_order/purchase_order.txt
index 318ebda..d5e8df5 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.txt
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.txt
@@ -5,7 +5,7 @@
 	{
 		'creation': '2012-07-02 14:44:19',
 		'docstatus': 0,
-		'modified': '2012-08-02 13:43:50',
+		'modified': '2012-08-06 17:14:19',
 		'modified_by': u'Administrator',
 		'owner': u'Administrator'
 	},
@@ -464,9 +464,35 @@
 		'fieldtype': u'Button',
 		'hidden': 0,
 		'label': u'Get Items',
+		'no_copy': 0,
 		'oldfieldtype': u'Button',
 		'options': u'get_indent_details',
-		'permlevel': 0
+		'permlevel': 0,
+		'print_hide': 1
+	},
+
+	# DocField
+	{
+		'description': u'You can make a purchase order from multiple Supplier Quotations. Select Supplier Quotations one by one and click on the button below.',
+		'doctype': u'DocField',
+		'fieldname': u'supplier_quotation',
+		'fieldtype': u'Link',
+		'label': u'Select Supplier Quotation',
+		'no_copy': 1,
+		'options': u'Supplier Quotation',
+		'permlevel': 0,
+		'print_hide': 1
+	},
+
+	# DocField
+	{
+		'doctype': u'DocField',
+		'fieldname': u'get_supplier_quotation_items',
+		'fieldtype': u'Button',
+		'label': u'Get Items',
+		'options': u'get_supplier_quotation_items',
+		'permlevel': 0,
+		'print_hide': 1
 	},
 
 	# DocField
@@ -477,7 +503,8 @@
 		'fieldtype': u'Section Break',
 		'label': u'Taxes',
 		'oldfieldtype': u'Section Break',
-		'permlevel': 0
+		'permlevel': 0,
+		'print_hide': 0
 	},
 
 	# DocField