diff --git a/accounts/page/accounts_home/accounts_home.js b/accounts/page/accounts_home/accounts_home.js
index b484674..07c8b66 100644
--- a/accounts/page/accounts_home/accounts_home.js
+++ b/accounts/page/accounts_home/accounts_home.js
@@ -257,6 +257,16 @@
 				route: "query-report/Budget Variance Report",
 				doctype: "Cost Center"
 			},
+			{
+				"label":wn._("Purchase Invoice Trends"),
+				route: "query-report/Purchase Invoice Trends",
+				doctype: "Purchase Invoice"
+			},
+			{
+				"label":wn._("Sales Invoice Trends"),
+				route: "query-report/Sales Invoice Trends",
+				doctype: "Sales Invoice"
+			},
 		]
 	}
 ]
diff --git a/accounts/report/purchase_invoice_trends/__init__.py b/accounts/report/purchase_invoice_trends/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/accounts/report/purchase_invoice_trends/__init__.py
diff --git a/accounts/report/purchase_invoice_trends/purchase_invoice_trends.js b/accounts/report/purchase_invoice_trends/purchase_invoice_trends.js
new file mode 100644
index 0000000..bb18ce4
--- /dev/null
+++ b/accounts/report/purchase_invoice_trends/purchase_invoice_trends.js
@@ -0,0 +1,5 @@
+wn.require("app/js/purchase_trends_filters.js");
+
+wn.query_reports["Purchase Invoice Trends"] = {
+	filters: get_filters()
+ }
\ No newline at end of file
diff --git a/accounts/report/purchase_invoice_trends/purchase_invoice_trends.py b/accounts/report/purchase_invoice_trends/purchase_invoice_trends.py
new file mode 100644
index 0000000..b2f376b
--- /dev/null
+++ b/accounts/report/purchase_invoice_trends/purchase_invoice_trends.py
@@ -0,0 +1,34 @@
+# ERPNext - web based ERP (http://erpnext.com)
+# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program 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, see <http://www.gnu.org/licenses/>.
+
+from __future__ import unicode_literals
+import webnotes
+from controllers.trends	import get_columns,get_data
+
+def execute(filters=None):
+	if not filters: filters ={}
+	data = []
+
+	trans = "Purchase Invoice"
+	tab = ["tabPurchase Invoice","tabPurchase Invoice Item"]
+
+	details = get_columns(filters, trans)
+	data = get_data(filters, tab, details)
+
+	if not data :
+		webnotes.msgprint("Data not found for selected criterias")
+
+	return details["columns"], data 
\ No newline at end of file
diff --git a/accounts/report/purchase_invoice_trends/purchase_invoice_trends.txt b/accounts/report/purchase_invoice_trends/purchase_invoice_trends.txt
new file mode 100644
index 0000000..1d5c2d5
--- /dev/null
+++ b/accounts/report/purchase_invoice_trends/purchase_invoice_trends.txt
@@ -0,0 +1,21 @@
+[
+ {
+  "creation": "2013-06-13 18:46:55", 
+  "docstatus": 0, 
+  "modified": "2013-06-13 18:46:55", 
+  "modified_by": "Administrator", 
+  "owner": "Administrator"
+ }, 
+ {
+  "doctype": "Report", 
+  "is_standard": "Yes", 
+  "name": "__common__", 
+  "ref_doctype": "Purchase Invoice", 
+  "report_name": "Purchase Invoice Trends", 
+  "report_type": "Script Report"
+ }, 
+ {
+  "doctype": "Report", 
+  "name": "Purchase Invoice Trends"
+ }
+]
\ No newline at end of file
diff --git a/accounts/report/purchase_register/purchase_register.py b/accounts/report/purchase_register/purchase_register.py
index 7c4b386..548b561 100644
--- a/accounts/report/purchase_register/purchase_register.py
+++ b/accounts/report/purchase_register/purchase_register.py
@@ -107,6 +107,7 @@
 		from `tabPurchase Invoice` where docstatus = 1 %s 
 		order by posting_date desc, name desc""" % conditions, filters, as_dict=1)
 	
+	
 def get_invoice_expense_map(invoice_list):
 	expense_details = webnotes.conn.sql("""select parent, expense_head, sum(amount) as amount
 		from `tabPurchase Invoice Item` where parent in (%s) group by parent, expense_head""" % 
diff --git a/accounts/report/sales_invoice_trends/__init__.py b/accounts/report/sales_invoice_trends/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/accounts/report/sales_invoice_trends/__init__.py
diff --git a/accounts/report/sales_invoice_trends/sales_invoice_trends.js b/accounts/report/sales_invoice_trends/sales_invoice_trends.js
new file mode 100644
index 0000000..6f20015
--- /dev/null
+++ b/accounts/report/sales_invoice_trends/sales_invoice_trends.js
@@ -0,0 +1,5 @@
+wn.require("app/js/sales_trends_filters.js");
+
+wn.query_reports["Sales Invoice Trends"] = {
+	filters: get_filters()
+ }
\ No newline at end of file
diff --git a/accounts/report/sales_invoice_trends/sales_invoice_trends.py b/accounts/report/sales_invoice_trends/sales_invoice_trends.py
new file mode 100644
index 0000000..11d6665
--- /dev/null
+++ b/accounts/report/sales_invoice_trends/sales_invoice_trends.py
@@ -0,0 +1,34 @@
+# ERPNext - web based ERP (http://erpnext.com)
+# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program 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, see <http://www.gnu.org/licenses/>.
+
+from __future__ import unicode_literals
+import webnotes
+from controllers.trends	import get_columns,get_data
+
+def execute(filters=None):
+	if not filters: filters ={}
+	data = []
+
+	trans = "Sales Invoice"
+	tab = ["tabSales Invoice","tabSales Invoice Item"]
+
+	details = get_columns(filters, trans)
+	data = get_data(filters, tab, details)
+	
+	if not data :
+		webnotes.msgprint("Data not found for selected criterias")
+
+	return details["columns"], data 
\ No newline at end of file
diff --git a/accounts/report/sales_invoice_trends/sales_invoice_trends.txt b/accounts/report/sales_invoice_trends/sales_invoice_trends.txt
new file mode 100644
index 0000000..279ac12
--- /dev/null
+++ b/accounts/report/sales_invoice_trends/sales_invoice_trends.txt
@@ -0,0 +1,21 @@
+[
+ {
+  "creation": "2013-06-13 18:44:21", 
+  "docstatus": 0, 
+  "modified": "2013-06-13 18:44:21", 
+  "modified_by": "Administrator", 
+  "owner": "Administrator"
+ }, 
+ {
+  "doctype": "Report", 
+  "is_standard": "Yes", 
+  "name": "__common__", 
+  "ref_doctype": "Sales Invoice", 
+  "report_name": "Sales Invoice Trends", 
+  "report_type": "Script Report"
+ }, 
+ {
+  "doctype": "Report", 
+  "name": "Sales Invoice Trends"
+ }
+]
\ No newline at end of file
diff --git a/accounts/search_criteria/trend_analyzer/trend_analyzer.py b/accounts/search_criteria/trend_analyzer/trend_analyzer.py
index 87e1e8e..6bc4cf6 100644
--- a/accounts/search_criteria/trend_analyzer/trend_analyzer.py
+++ b/accounts/search_criteria/trend_analyzer/trend_analyzer.py
@@ -155,7 +155,7 @@
 		for d in range(len(colnames) - cr):
 			r.append(flt(main_det[0][d]))
 		out.append(r)
-		
+
 		if group_by:
 			flag = 1
 			# check for root nodes
@@ -167,11 +167,11 @@
 
 			if flag == 1:	
 				det = [x[0] for x in sql("SELECT DISTINCT %s FROM %s where %s" % (sel_col, add_tab, add_cond % {'value':cstr(r[col_idx[based_on]]).strip()}))]
-
+				
 				for des in range(len(det)):
 					t_row = ['' for i in range(len(colnames))]
 					t_row[col_idx[group_by]] = cstr(det[des])
 					gr_det = sql("SELECT %s FROM %s WHERE %s = '%s' and %s" % (query_val, add_tab, sel_col, cstr(det[des]), add_cond % {'value':cstr(r[col_idx[based_on]]).strip()}))
 					for d in range(len(col_names)):
 						t_row[col_idx[col_names[d]]] = flt(gr_det[0][d])
-					out.append(t_row)
+					out.append(t_row)
\ No newline at end of file
diff --git a/buying/page/buying_home/buying_home.js b/buying/page/buying_home/buying_home.js
index 2070fd4..0e078fe 100644
--- a/buying/page/buying_home/buying_home.js
+++ b/buying/page/buying_home/buying_home.js
@@ -115,6 +115,15 @@
 				"label":wn._("Requested Items To Be Ordered"),
 				route: "query-report/Requested Items To Be Ordered",
 			},
+			{
+				"label":wn._("Purchase Order Trends"),
+				route: "query-report/Purchase Order Trends",
+				doctype: "Purchase Order"
+			},
+			{
+				"label":wn._("Item-wise Last Purchase Rate"),
+				route: "query-report/Item-wise Last Purchase Rate",
+			}
 		]
 	}
 ]
diff --git a/buying/report/item_wise_last_purchase_rate/__init__.py b/buying/report/item_wise_last_purchase_rate/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/buying/report/item_wise_last_purchase_rate/__init__.py
diff --git a/buying/report/item_wise_last_purchase_rate/item_wise_last_purchase_rate.txt b/buying/report/item_wise_last_purchase_rate/item_wise_last_purchase_rate.txt
new file mode 100644
index 0000000..db99e72
--- /dev/null
+++ b/buying/report/item_wise_last_purchase_rate/item_wise_last_purchase_rate.txt
@@ -0,0 +1,22 @@
+[
+ {
+  "creation": "2013-06-18 11:24:36", 
+  "docstatus": 0, 
+  "modified": "2013-06-18 15:28:57", 
+  "modified_by": "Administrator", 
+  "owner": "Administrator"
+ }, 
+ {
+  "doctype": "Report", 
+  "is_standard": "Yes", 
+  "name": "__common__", 
+  "query": "select * from (select \n    result.item_code as \"Item Code:Link/Item:120\",\n    result.item_name as \"Item Name::120\",\n    result.description as \"Description::150\",\n    result.posting_date as \"Date::150\",\n    result.purchase_ref_rate as \"Price List Rate::180\", \n    result.discount_rate as \"Discount::120\", \n    result.purchase_rate as \"Rate::120\"\nfrom (\n    (select \n        po_item.item_code,\n        po_item.item_name,\n        po_item.description,\n        po.transaction_date as posting_date,\n        po_item.purchase_ref_rate, \n        po_item.discount_rate, \n        po_item.purchase_rate\n    from `tabPurchase Order` po, `tabPurchase Order Item` po_item\n    where po.name = po_item.parent and po.docstatus = 1)\n    union\n    (select \n        pr_item.item_code,\n        pr_item.item_name,\n        pr_item.description,\n        pr.posting_date,\n        pr_item.purchase_ref_rate,\n        pr_item.discount_rate,\n        pr_item.purchase_rate\n    from `tabPurchase Receipt` pr, `tabPurchase Receipt Item` pr_item\n    where pr.name = pr_item.parent and pr.docstatus = 1)\n) result\norder by result.item_code asc, result.posting_date desc) result_wrapper\ngroup by `Item Code:Link/Item:120`\n", 
+  "ref_doctype": "Purchase Order", 
+  "report_name": "Item-wise Last Purchase Rate", 
+  "report_type": "Query Report"
+ }, 
+ {
+  "doctype": "Report", 
+  "name": "Item-wise Last Purchase Rate"
+ }
+]
\ No newline at end of file
diff --git a/buying/report/purchase_order_trends/__init__.py b/buying/report/purchase_order_trends/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/buying/report/purchase_order_trends/__init__.py
diff --git a/buying/report/purchase_order_trends/purchase_order_trends.js b/buying/report/purchase_order_trends/purchase_order_trends.js
new file mode 100644
index 0000000..c6373db
--- /dev/null
+++ b/buying/report/purchase_order_trends/purchase_order_trends.js
@@ -0,0 +1,5 @@
+wn.require("app/js/purchase_trends_filters.js");
+
+wn.query_reports["Purchase Order Trends"] = {
+	filters: get_filters()
+ }
\ No newline at end of file
diff --git a/buying/report/purchase_order_trends/purchase_order_trends.py b/buying/report/purchase_order_trends/purchase_order_trends.py
new file mode 100644
index 0000000..301124f
--- /dev/null
+++ b/buying/report/purchase_order_trends/purchase_order_trends.py
@@ -0,0 +1,34 @@
+# ERPNext - web based ERP (http://erpnext.com)
+# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program 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, see <http://www.gnu.org/licenses/>.
+
+from __future__ import unicode_literals
+import webnotes
+from controllers.trends	import get_columns,get_data
+
+def execute(filters=None):
+	if not filters: filters ={}
+	data = []
+
+	trans = "Purchase Order"
+	tab = ["tabPurchase Order","tabPurchase Order Item"]
+
+	details = get_columns(filters, trans)
+	data = get_data(filters, tab, details)
+	
+	if not data :
+		webnotes.msgprint("Data not found for selected criterias")
+
+	return details["columns"], data 
\ No newline at end of file
diff --git a/buying/report/purchase_order_trends/purchase_order_trends.txt b/buying/report/purchase_order_trends/purchase_order_trends.txt
new file mode 100644
index 0000000..658dd4a
--- /dev/null
+++ b/buying/report/purchase_order_trends/purchase_order_trends.txt
@@ -0,0 +1,21 @@
+[
+ {
+  "creation": "2013-06-13 18:45:01", 
+  "docstatus": 0, 
+  "modified": "2013-06-13 18:45:01", 
+  "modified_by": "Administrator", 
+  "owner": "Administrator"
+ }, 
+ {
+  "doctype": "Report", 
+  "is_standard": "Yes", 
+  "name": "__common__", 
+  "ref_doctype": "Purchase Order", 
+  "report_name": "Purchase Order Trends", 
+  "report_type": "Script Report"
+ }, 
+ {
+  "doctype": "Report", 
+  "name": "Purchase Order Trends"
+ }
+]
\ No newline at end of file
diff --git a/controllers/buying_controller.py b/controllers/buying_controller.py
index 3deda02..f02e848 100644
--- a/controllers/buying_controller.py
+++ b/controllers/buying_controller.py
@@ -54,16 +54,7 @@
 					raise_exception=WrongWarehouseCompany)
 
 	def validate_stock_or_nonstock_items(self):
-		items = [d.item_code for d in self.doclist.get({"parentfield": self.fname})]
-		if self.stock_items:
-			nonstock_items = list(set(items) - set(self.stock_items))
-			if nonstock_items:
-				webnotes.msgprint(_("Stock and non-stock items can not be entered in the same ") + 
-					self.doc.doctype + _(""". You should make separate documents for them.
-					Stock Items: """) + ", ".join(self.stock_items) + _("""
-					Non-stock Items: """) + ", ".join(nonstock_items), raise_exception=1)
-				
-		elif items and not self.stock_items:
+		if not self.stock_items:
 			tax_for_valuation = [d.account_head for d in 
 				self.doclist.get({"parentfield": "purchase_tax_details"}) 
 				if d.category in ["Valuation", "Valuation and Total"]]
diff --git a/controllers/trends.py b/controllers/trends.py
new file mode 100644
index 0000000..4edb784
--- /dev/null
+++ b/controllers/trends.py
@@ -0,0 +1,265 @@
+# ERPNext - web based ERP (http://erpnext.com)
+# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program 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, see <http://www.gnu.org/licenses/>.
+
+from __future__ import unicode_literals
+import webnotes
+from webnotes.utils import cint, add_days, add_months, cstr
+from datetime import datetime
+
+def get_columns(filters, trans):
+
+	if not (filters.get("period") and filters.get("based_on")):
+		webnotes.msgprint("Value missing in 'Period' or 'Based On'", raise_exception=1)
+
+	elif filters.get("based_on") == filters.get("group_by"):
+		webnotes.msgprint("Plese select different values in 'Based On' and 'Group By'", raise_exception=1)
+
+	else: 
+		bonc, query_bon, based, sup_tab = basedon_wise_colums_query(filters.get("based_on"), trans)
+		pwc, query_pwc = period_wise_colums_query(filters, trans)
+		grbc = group_wise_column(filters.get("group_by"))
+
+		columns = bonc + pwc + ["TOTAL(Qty):Float:120", "TOTAL(Amt):Currency:120"]
+		if grbc:	
+			columns = bonc + grbc + pwc +["TOTAL(Qty):Float:120", "TOTAL(Amt):Currency:120"] 
+
+		details = {"query_bon": query_bon, "query_pwc": query_pwc, "columns": columns, "basedon": based, 
+			"grbc": grbc, "sup_tab": sup_tab}
+
+	return details
+
+def get_data(filters, tab, details):
+	
+	data = []
+	inc, cond= '',''
+	query_details =  details["query_bon"] + details["query_pwc"]
+	
+	if details["query_bon"] in ["t1.project_name,", "t2.project_name,"]:
+		cond = 'and '+ details["query_bon"][:-1] +' IS Not NULL'
+
+	if filters.get("group_by"):
+		sel_col = ''
+		ind = details["columns"].index(details["grbc"][0])
+
+		if filters.get("group_by") == 'Item':
+			sel_col = 't2.item_code'
+		elif filters.get("group_by") == 'Customer':
+			sel_col = 't1.customer'
+		elif filters.get("group_by") == 'Supplier':
+			sel_col = 't1.supplier'
+
+		if filters.get('based_on') in ['Item','Customer','Supplier']:
+			inc = 2
+		else :
+			inc = 1
+
+		data1 = webnotes.conn.sql(""" select %s from `%s` t1, `%s` t2 %s
+					where t2.parent = t1.name and t1.company = %s 
+					and t1.fiscal_year = %s and t1.docstatus = 1 %s 
+					group by %s 
+				""" % (query_details, tab[0], tab[1], details["sup_tab"], "%s", 
+					"%s", cond, details["basedon"]), (filters.get("company"), 
+					filters["fiscal_year"]),
+			as_list=1)
+
+		for d in range(len(data1)):
+			#to add blanck column
+			dt = data1[d]
+			dt.insert(ind,'')  
+			data.append(dt)
+
+			#to get distinct value of col specified by group_by in filter
+			row = webnotes.conn.sql("""select DISTINCT(%s) from `%s` t1, `%s` t2 %s
+						where t2.parent = t1.name and t1.company = %s and t1.fiscal_year = %s 
+						and t1.docstatus = 1 and %s = %s 
+					"""%(sel_col, tab[0], tab[1], details["sup_tab"], "%s", "%s", details["basedon"], "%s"),
+						(filters.get("company"), filters.get("fiscal_year"), data1[d][0]), 
+				as_list=1)
+
+			for i in range(len(row)):
+				des = ['' for q in range(len(details["columns"]))]
+				
+				#get data for each group_by filter 
+				row1 = webnotes.conn.sql(""" select %s , %s from `%s` t1, `%s` t2 %s
+							where t2.parent = t1.name and t1.company = %s and t1.fiscal_year = %s 
+							and t1.docstatus = 1 and %s = %s and %s = %s 
+						"""%(sel_col, details["query_pwc"], tab[0], tab[1], details["sup_tab"], 
+							"%s", "%s", sel_col, "%s", details["basedon"], "%s"), 
+							(filters.get("company"), filters.get("fiscal_year"), row[i][0], data1[d][0]),
+					as_list=1)
+
+				des[ind] = row[i]
+				for j in range(1,len(details["columns"])-inc):	
+					des[j+inc] = row1[0][j]
+				data.append(des)
+	else:
+
+		data = webnotes.conn.sql(""" select %s from `%s` t1, `%s` t2 %s
+					where t2.parent = t1.name and t1.company = %s 
+					and t1.fiscal_year = %s and t1.docstatus = 1 %s 
+					group by %s	
+				"""%(query_details, tab[0], tab[1], details["sup_tab"], "%s", 
+					"%s", cond,details["basedon"]), (filters.get("company"), 
+					filters.get("fiscal_year")), 
+			as_list=1)
+
+	return data
+
+def get_mon(date):
+	"""convert srting formated date into date and retrieve month abbrevation"""
+	return (datetime.strptime(date, '%Y-%m-%d')).strftime("%b")
+
+def period_wise_colums_query(filters, trans):
+	from datetime import datetime
+
+	query_details = ''
+	pwc = []
+	ysd = webnotes.conn.sql("""select year_start_date from `tabFiscal Year` where name = '%s' 
+		"""%filters.get("fiscal_year"))[0][0]
+
+	year_start_date = ysd.strftime('%Y-%m-%d')
+	start_month = cint(year_start_date.split('-')[1])
+
+	if trans in ['Purchase Receipt', 'Delivery Note', 'Purchase Invoice', 'Sales Invoice']:
+		trans_date = 'posting_date'
+	else:
+		trans_date = 'transaction_date'
+
+	if filters.get("period") == "Monthly":
+		month_name = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec']
+
+		for month in range(start_month-1,len(month_name)):
+			pwc.append(month_name[month]+' (Qty):Float:120')
+			pwc.append(month_name[month]+' (Amt):Currency:120')
+
+			query_details += """
+				Sum(IF(MONTH(t1.%(trans)s)= %(mon_num)s, t2.qty, NULL)),
+				SUM(IF(MONTH(t1.%(trans)s)= %(mon_num)s, t1.grand_total, NULL)),
+			"""%{"trans": trans_date,"mon_num": cstr(month+1)}
+
+		for month in range(0, start_month-1):
+			pwc.append(month_name[month]+' (Qty):Float:120')
+			pwc.append(month_name[month]+' (Amt):Currency:120')
+
+			query_details += """
+				Sum(IF(MONTH(t1.%(trans)s)= %(mon_num)s, t2.qty, NULL)),
+				SUM(IF(MONTH(t1.%(trans)s)= %(mon_num)s, t1.grand_total, NULL)),
+			"""%{"trans": trans_date, "mon_num": cstr(month+1)}
+	
+	elif filters.get("period") == "Quarterly":
+
+		first_qsd, second_qsd, third_qsd, fourth_qsd = year_start_date, add_months(year_start_date,3), add_months(year_start_date,6), add_months(year_start_date,9)
+		first_qed, second_qed, third_qed, fourth_qed = add_days(add_months(first_qsd,3),-1), add_days(add_months(second_qsd,3),-1), add_days(add_months(third_qsd,3),-1), add_days(add_months(fourth_qsd,3),-1)
+		bet_dates = [[first_qsd,first_qed],[second_qsd,second_qed],[third_qsd,third_qed],[fourth_qsd,fourth_qed]] 
+		
+		pwc = [get_mon(first_qsd)+"-"+get_mon(first_qed)+" (Qty):Float:120", get_mon(first_qsd)+"-"+get_mon(first_qed)+"(Amt):Currency:120", 
+			get_mon(second_qsd)+"-"+get_mon(second_qed)+" (Qty):Float:120", get_mon(second_qsd)+"-"+get_mon(second_qed)+" (Amt):Currency:120", 
+			get_mon(third_qsd)+"-"+get_mon(third_qed)+" (Qty):Float:120", get_mon(third_qsd)+"-"+get_mon(third_qed)+" (Amt):Currency:120", 
+			get_mon(fourth_qsd)+"-"+get_mon(fourth_qed)+" (Qty):Float:120", get_mon(fourth_qsd)+"-"+get_mon(fourth_qed)+" (Amt):Currency:120"]
+
+		for d in bet_dates:
+			query_details += """
+				SUM(IF(t1.%(trans)s BETWEEN '%(sd)s' AND '%(ed)s', t2.qty, NULL)), 
+				SUM(IF(t1.%(trans)s BETWEEN '%(sd)s' AND '%(ed)s', t1.grand_total, NULL)),
+			"""%{"trans": trans_date, "sd": d[0],"ed": d[1]}
+
+	elif filters.get("period") == "Half-yearly":
+
+		first_half_start = year_start_date
+		first_half_end = add_days(add_months(first_half_start,6),-1)
+		second_half_start = add_days(first_half_end,1)
+		second_half_end = add_days(add_months(second_half_start,6),-1)
+
+		pwc = [get_mon(first_half_start)+"-"+get_mon(first_half_end)+"(Qty):Float:120", get_mon(first_half_start)+"-"+get_mon(first_half_end)+" (Amt):Currency:120",
+		 	get_mon(second_half_start)+"-"+get_mon(second_half_end)+" (Qty):Float:120",	get_mon(second_half_start)+"-"+get_mon(second_half_end)+" (Amt):Currency:120"]
+
+		query_details = """ 
+			 	SUM(IF(t1.%(trans)s BETWEEN '%(fhs)s' AND '%(fhe)s', t2.qty, NULL)),
+			 	SUM(IF(t1.%(trans)s BETWEEN '%(fhs)s' AND '%(fhe)s', t1.grand_total, NULL)), 
+			 	SUM(IF(t1.%(trans)s BETWEEN '%(shs)s' AND '%(she)s', t2.qty, NULL)), 
+			 	SUM(IF(t1.%(trans)s BETWEEN '%(shs)s' AND '%(she)s', t1.grand_total, NULL)),
+			"""%{"trans": trans_date, "fhs": first_half_start, "fhe": first_half_end,"shs": second_half_start, 
+		"she": second_half_end}	 
+	
+	else:
+		pwc = [filters.get("fiscal_year")+" (Qty):Float:120", filters.get("fiscal_year")+" (Amt):Currency:120"]
+		query_details = " SUM(t2.qty), SUM(t1.grand_total),"
+
+	query_details += 'SUM(t2.qty), SUM(t1.grand_total)'
+	return pwc, query_details
+
+def basedon_wise_colums_query(based_on, trans):
+	sup_tab = ''
+
+	if based_on == "Item":
+		bon = ["Item:Link/Item:120", "Item Name:Data:120"]
+		query_details = "t2.item_code, t2.item_name," 
+		based = 't2.item_code'
+
+	elif based_on == "Item Group":
+		bon = ["Item Group:Link/Item Group:120"]
+		query_details = "t2.item_group," 
+		based = 't2.item_group'
+
+	elif based_on == "Customer":
+		bon = ["Customer:Link/Customer:120", "Territory:Link/Territory:120"]
+		query_details = "t1.customer_name, t1.territory, "
+		based = 't1.customer_name'
+
+	elif based_on == "Customer Group":
+		bon = ["Customer Group:Link/Customer Group"]
+		query_details = "t1.customer_group,"
+		based = 't1.customer_group'
+	
+	elif based_on == 'Supplier':
+		bon = ["Supplier:Link/Supplier:120", "Supplier Type:Link/Supplier Type:120"]
+		query_details = "t1.supplier, t3.supplier_type,"
+		based = 't1.supplier'
+		sup_tab = '`tabSupplier` t3',
+	
+	elif based_on == 'Supplier Type':
+		bon = ["Supplier Type:Link/Supplier Type:120"]
+		query_details = "t3.supplier_type,"
+		based = 't3.supplier_type'
+		sup_tab ='`tabSupplier` t3',
+
+	elif based_on == "Territory":
+		bon = ["Territory:Link/Territory:120"]
+		query_details = "t1.territory,"
+		based = 't1.territory'
+
+	elif based_on == "Project":
+
+		if trans in ['Sales Invoice', 'Delivery Note', 'Sales Order']:
+			bon = ["Project:Link/Project:120"]
+			query_details = "t1.project_name,"
+			based = 't1.project_name'
+
+		elif trans in ['Purchase Order', 'Purchase Invoice', 'Purchase Receipt']:
+			bon = ["Project:Link/Project:120"]
+			query_details = "t2.project_name,"
+			based = 't2.project_name'
+
+		else:
+			webnotes.msgprint("Information Not Available", raise_exception=1)
+
+	return bon, query_details, based, sup_tab
+
+def group_wise_column(group_by):
+	if group_by:
+		return [group_by+":Link/"+group_by+":120"]
+	else:
+		return []
\ No newline at end of file
diff --git a/public/js/purchase_trends_filters.js b/public/js/purchase_trends_filters.js
new file mode 100644
index 0000000..e994a47
--- /dev/null
+++ b/public/js/purchase_trends_filters.js
@@ -0,0 +1,39 @@
+var get_filters = function(){
+	return [
+		{
+			"fieldname":"period",
+			"label": "Period",
+			"fieldtype": "Select",
+			"options": ["Monthly", "Quarterly", "Half-yearly", "Yearly"].join("\n"),
+			"default": "Monthly"
+		},
+		{
+			"fieldname":"based_on",
+			"label": "Based On",
+			"fieldtype": "Select",
+			"options": ["Item", "Item Group", "Supplier", "Supplier Type", "Project"].join("\n"),
+			"default": "Item"
+		},
+		{
+			"fieldname":"group_by",
+			"label": "Group By",
+			"fieldtype": "Select",
+			"options": ["Item", "Supplier"].join("\n"),
+			"default": ""
+		},
+		{
+			"fieldname":"fiscal_year",
+			"label": "Fiscal Year",
+			"fieldtype": "Link",
+			"options":'Fiscal Year',
+			"default": sys_defaults.fiscal_year
+		},
+		{
+			"fieldname":"company",
+			"label": "Company",
+			"fieldtype": "Link",
+			"options": "Company",
+			"default": sys_defaults.company
+		},
+	];
+}
\ No newline at end of file
diff --git a/public/js/sales_trends_filters.js b/public/js/sales_trends_filters.js
new file mode 100644
index 0000000..14dcbe3
--- /dev/null
+++ b/public/js/sales_trends_filters.js
@@ -0,0 +1,39 @@
+var get_filters = function(){
+ 	return[
+		{
+			"fieldname":"period",
+			"label": "Period",
+			"fieldtype": "Select",
+			"options": ["Monthly", "Quarterly", "Half-yearly", "Yearly"].join("\n"),
+			"default": "Monthly"
+		},
+		{
+			"fieldname":"based_on",
+			"label": "Based On",
+			"fieldtype": "Select",
+			"options": ["Item", "Item Group", "Customer", "Customer Group", "Territory", "Project"].join("\n"),
+			"default": "Item"
+		},
+		{
+			"fieldname":"group_by",
+			"label": "Group By",
+			"fieldtype": "Select",
+			"options": ["Item", "Customer"].join("\n"),
+			"default": ""
+		},
+		{
+			"fieldname":"fiscal_year",
+			"label": "Fiscal Year",
+			"fieldtype": "Link",
+			"options":'Fiscal Year',
+			"default": sys_defaults.fiscal_year
+		},
+		{
+			"fieldname":"company",
+			"label": "Company",
+			"fieldtype": "Link",
+			"options": "Company",
+			"default": sys_defaults.company
+		},	
+	];
+}
\ No newline at end of file
diff --git a/selling/doctype/sales_order/sales_order.js b/selling/doctype/sales_order/sales_order.js
index b792754..f272b2e 100644
--- a/selling/doctype/sales_order/sales_order.js
+++ b/selling/doctype/sales_order/sales_order.js
@@ -130,6 +130,29 @@
 	if(doc.customer) get_server_fields('get_customer_address', JSON.stringify({customer: doc.customer, address: doc.customer_address, contact: doc.contact_person}),'', doc, dt, dn, 1);
 }
 
+cur_frm.fields_dict.shipping_address_name.get_query = cur_frm.fields_dict['customer_address'].get_query;
+
+cur_frm.cscript.shipping_address_name = function() {
+	if(cur_frm.doc.shipping_address_name) {
+		wn.model.with_doc("Address", cur_frm.doc.shipping_address_name, function(name) {
+			var address = wn.model.get_doc("Address", name);
+			
+			var out = $.map(["address_line1", "address_line2", "city"], 
+				function(f) { return address[f]; });
+
+			var state_pincode = $.map(["state", "pincode"], function(f) { return address[f]; }).join(" ");
+			if(state_pincode) out.push(state_pincode);
+			
+			if(address["country"]) out.push(address["country"]);
+			
+			out.concat($.map([["Phone:", address["phone"]], ["Fax:", address["fax"]]], 
+				function(val) { return val[1] ? val.join(" ") : null; }));
+			
+			cur_frm.set_value("shipping_address", out.join("\n"));
+		});
+	}
+};
+
 cur_frm.cscript.pull_quotation_details = function(doc,dt,dn) {
 	var callback = function(r,rt){
 		var doc = locals[cur_frm.doctype][cur_frm.docname];					
diff --git a/selling/doctype/sales_order/sales_order.txt b/selling/doctype/sales_order/sales_order.txt
index ba0b1de..a898970 100644
--- a/selling/doctype/sales_order/sales_order.txt
+++ b/selling/doctype/sales_order/sales_order.txt
@@ -1,8 +1,8 @@
 [
  {
-  "creation": "2013-03-07 14:48:34", 
+  "creation": "2013-06-18 12:39:59", 
   "docstatus": 0, 
-  "modified": "2013-01-29 17:14:58", 
+  "modified": "2013-06-18 17:49:11", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -32,6 +32,7 @@
   "parent": "Sales Order", 
   "parentfield": "permissions", 
   "parenttype": "DocType", 
+  "permlevel": 0, 
   "read": 1
  }, 
  {
@@ -202,7 +203,7 @@
   "label": "Shipping Address Name", 
   "options": "Address", 
   "print_hide": 1, 
-  "read_only": 1
+  "read_only": 0
  }, 
  {
   "doctype": "DocField", 
@@ -951,103 +952,32 @@
   "print_hide": 1
  }, 
  {
-  "amend": 0, 
-  "cancel": 0, 
-  "create": 0, 
-  "doctype": "DocPerm", 
-  "match": "", 
-  "permlevel": 1, 
-  "report": 0, 
-  "role": "Sales Manager", 
-  "submit": 0, 
-  "write": 0
- }, 
- {
   "amend": 1, 
   "cancel": 1, 
   "create": 1, 
   "doctype": "DocPerm", 
-  "permlevel": 0, 
-  "report": 1, 
-  "role": "Sales Manager", 
-  "submit": 1, 
-  "write": 1
- }, 
- {
-  "amend": 1, 
-  "cancel": 1, 
-  "create": 1, 
-  "doctype": "DocPerm", 
-  "match": "", 
-  "permlevel": 0, 
   "report": 1, 
   "role": "Sales User", 
   "submit": 1, 
   "write": 1
  }, 
  {
-  "amend": 0, 
-  "cancel": 0, 
-  "create": 0, 
-  "doctype": "DocPerm", 
-  "match": "", 
-  "permlevel": 1, 
-  "report": 0, 
-  "role": "Sales User", 
-  "submit": 0, 
-  "write": 0
- }, 
- {
   "amend": 1, 
   "cancel": 1, 
   "create": 1, 
   "doctype": "DocPerm", 
-  "permlevel": 0, 
-  "report": 1, 
-  "role": "Maintenance Manager", 
-  "submit": 1, 
-  "write": 1
- }, 
- {
-  "amend": 0, 
-  "cancel": 0, 
-  "create": 0, 
-  "doctype": "DocPerm", 
-  "match": "", 
-  "permlevel": 1, 
-  "role": "Maintenance Manager", 
-  "submit": 0
- }, 
- {
-  "amend": 1, 
-  "cancel": 1, 
-  "create": 1, 
-  "doctype": "DocPerm", 
-  "permlevel": 0, 
   "report": 1, 
   "role": "Maintenance User", 
   "submit": 1, 
   "write": 1
  }, 
  {
-  "amend": 0, 
-  "cancel": 0, 
-  "create": 0, 
   "doctype": "DocPerm", 
-  "match": "", 
-  "permlevel": 1, 
-  "role": "Maintenance User", 
-  "submit": 0
- }, 
- {
-  "doctype": "DocPerm", 
-  "permlevel": 0, 
   "role": "Accounts User"
  }, 
  {
   "doctype": "DocPerm", 
   "match": "customer", 
-  "permlevel": 0, 
   "role": "Customer"
  }
 ]
\ No newline at end of file
diff --git a/selling/page/selling_home/selling_home.js b/selling/page/selling_home/selling_home.js
index 0792f0a..87e12db 100644
--- a/selling/page/selling_home/selling_home.js
+++ b/selling/page/selling_home/selling_home.js
@@ -180,6 +180,16 @@
 				route: "query-report/Customers Not Buying Since Long Time",
 				doctype: "Sales Order"
 			},
+			{
+				"label":wn._("Quotation Trend"),
+				route: "query-report/Quotation Trends",
+				doctype: "Quotation"
+			},
+			{
+				"label":wn._("Sales Order Trend"),
+				route: "query-report/Sales Order Trends",
+				doctype: "Sales Order"
+			},
 		]
 	}
 ]
diff --git a/selling/report/quotation_trends/__init__.py b/selling/report/quotation_trends/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/selling/report/quotation_trends/__init__.py
diff --git a/selling/report/quotation_trends/quotation_trends.js b/selling/report/quotation_trends/quotation_trends.js
new file mode 100644
index 0000000..2f9f236
--- /dev/null
+++ b/selling/report/quotation_trends/quotation_trends.js
@@ -0,0 +1,5 @@
+wn.require("app/js/sales_trends_filters.js");
+
+wn.query_reports["Quotation Trends"] = {
+	filters: get_filters()
+ }
\ No newline at end of file
diff --git a/selling/report/quotation_trends/quotation_trends.py b/selling/report/quotation_trends/quotation_trends.py
new file mode 100644
index 0000000..e341752
--- /dev/null
+++ b/selling/report/quotation_trends/quotation_trends.py
@@ -0,0 +1,34 @@
+# ERPNext - web based ERP (http://erpnext.com)
+# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program 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, see <http://www.gnu.org/licenses/>.
+
+from __future__ import unicode_literals
+import webnotes
+from controllers.trends	import get_columns,get_data
+
+def execute(filters=None):
+	if not filters: filters ={}
+	data = []
+
+	trans = "Quotation"
+	tab = ["tabQuotation","tabQuotation Item"]
+
+	details = get_columns(filters, trans)
+	data = get_data(filters, tab, details)
+	
+	if not data:
+		webnotes.msgprint("Data not found for selected criterias")
+
+	return details["columns"], data 
\ No newline at end of file
diff --git a/selling/report/quotation_trends/quotation_trends.txt b/selling/report/quotation_trends/quotation_trends.txt
new file mode 100644
index 0000000..eebffcf
--- /dev/null
+++ b/selling/report/quotation_trends/quotation_trends.txt
@@ -0,0 +1,22 @@
+[
+ {
+  "creation": "2013-06-07 16:01:16", 
+  "docstatus": 0, 
+  "modified": "2013-06-12 16:31:23", 
+  "modified_by": "Administrator", 
+  "owner": "Administrator"
+ }, 
+ {
+  "add_total_row": 0, 
+  "doctype": "Report", 
+  "is_standard": "Yes", 
+  "name": "__common__", 
+  "ref_doctype": "Quotation", 
+  "report_name": "Quotation Trends", 
+  "report_type": "Script Report"
+ }, 
+ {
+  "doctype": "Report", 
+  "name": "Quotation Trends"
+ }
+]
\ No newline at end of file
diff --git a/selling/report/sales_order_trends/__init__.py b/selling/report/sales_order_trends/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/selling/report/sales_order_trends/__init__.py
diff --git a/selling/report/sales_order_trends/sales_order_trends.js b/selling/report/sales_order_trends/sales_order_trends.js
new file mode 100644
index 0000000..458fee6
--- /dev/null
+++ b/selling/report/sales_order_trends/sales_order_trends.js
@@ -0,0 +1,5 @@
+wn.require("app/js/sales_trends_filters.js");
+
+wn.query_reports["Sales Order Trends"] = {
+	filters: get_filters()
+ }
\ No newline at end of file
diff --git a/selling/report/sales_order_trends/sales_order_trends.py b/selling/report/sales_order_trends/sales_order_trends.py
new file mode 100644
index 0000000..d556a58
--- /dev/null
+++ b/selling/report/sales_order_trends/sales_order_trends.py
@@ -0,0 +1,34 @@
+# ERPNext - web based ERP (http://erpnext.com)
+# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program 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, see <http://www.gnu.org/licenses/>.
+
+from __future__ import unicode_literals
+import webnotes
+from controllers.trends	import get_columns,get_data
+
+def execute(filters=None):
+	if not filters: filters ={}
+	data = []
+
+	trans = "Sales Order"
+	tab = ["tabSales Order","tabSales Order Item"]
+	
+	details = get_columns(filters, trans)
+	data = get_data(filters, tab, details)
+	
+	if not data :
+		webnotes.msgprint("Data not found for selected criterias")
+
+	return details["columns"], data 
\ No newline at end of file
diff --git a/selling/report/sales_order_trends/sales_order_trends.txt b/selling/report/sales_order_trends/sales_order_trends.txt
new file mode 100644
index 0000000..16ee9ca
--- /dev/null
+++ b/selling/report/sales_order_trends/sales_order_trends.txt
@@ -0,0 +1,21 @@
+[
+ {
+  "creation": "2013-06-13 18:43:30", 
+  "docstatus": 0, 
+  "modified": "2013-06-13 18:43:30", 
+  "modified_by": "Administrator", 
+  "owner": "Administrator"
+ }, 
+ {
+  "doctype": "Report", 
+  "is_standard": "Yes", 
+  "name": "__common__", 
+  "ref_doctype": "Sales Order", 
+  "report_name": "Sales Order Trends", 
+  "report_type": "Script Report"
+ }, 
+ {
+  "doctype": "Report", 
+  "name": "Sales Order Trends"
+ }
+]
\ No newline at end of file
diff --git a/stock/page/stock_home/stock_home.js b/stock/page/stock_home/stock_home.js
index d8c63aa..532eb66 100644
--- a/stock/page/stock_home/stock_home.js
+++ b/stock/page/stock_home/stock_home.js
@@ -223,6 +223,16 @@
 				route: "query-report/Itemwise Recommended Reorder Level",
 				doctype: "Item"
 			},
+			{
+				"label":wn._("Delivery Note Trends"),
+				route: "query-report/Delivery Note Trends",
+				doctype: "Delivery Note"
+			},
+			{
+				"label":wn._("Purchase Receipt Trends"),
+				route: "query-report/Purchase Receipt Trends",
+				doctype: "Purchase Receipt"
+			},
 		]
 	}
 ]
diff --git a/stock/report/delivery_note_trends/__init__.py b/stock/report/delivery_note_trends/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/stock/report/delivery_note_trends/__init__.py
diff --git a/stock/report/delivery_note_trends/delivery_note_trends.js b/stock/report/delivery_note_trends/delivery_note_trends.js
new file mode 100644
index 0000000..3ec5e59
--- /dev/null
+++ b/stock/report/delivery_note_trends/delivery_note_trends.js
@@ -0,0 +1,5 @@
+wn.require("app/js/sales_trends_filters.js");
+
+wn.query_reports["Delivery Note Trends"] = {
+	filters: get_filters()
+ }
\ No newline at end of file
diff --git a/stock/report/delivery_note_trends/delivery_note_trends.py b/stock/report/delivery_note_trends/delivery_note_trends.py
new file mode 100644
index 0000000..369b6a3
--- /dev/null
+++ b/stock/report/delivery_note_trends/delivery_note_trends.py
@@ -0,0 +1,34 @@
+# ERPNext - web based ERP (http://erpnext.com)
+# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program 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, see <http://www.gnu.org/licenses/>.
+
+from __future__ import unicode_literals
+import webnotes
+from controllers.trends	import get_columns,get_data
+
+def execute(filters=None):
+	if not filters: filters ={}
+	data = []
+
+	trans = "Delivery Note"
+	tab = ["tabDelivery Note","tabDelivery Note Item"]
+	
+	details = get_columns(filters, trans)
+	data = get_data(filters, tab, details)
+	
+	if not data :
+		webnotes.msgprint("Data not found for selected criterias")
+
+	return details["columns"], data 
\ No newline at end of file
diff --git a/stock/report/delivery_note_trends/delivery_note_trends.txt b/stock/report/delivery_note_trends/delivery_note_trends.txt
new file mode 100644
index 0000000..bb87200
--- /dev/null
+++ b/stock/report/delivery_note_trends/delivery_note_trends.txt
@@ -0,0 +1,21 @@
+[
+ {
+  "creation": "2013-06-13 18:42:11", 
+  "docstatus": 0, 
+  "modified": "2013-06-13 18:42:11", 
+  "modified_by": "Administrator", 
+  "owner": "Administrator"
+ }, 
+ {
+  "doctype": "Report", 
+  "is_standard": "Yes", 
+  "name": "__common__", 
+  "ref_doctype": "Delivery Note", 
+  "report_name": "Delivery Note Trends", 
+  "report_type": "Script Report"
+ }, 
+ {
+  "doctype": "Report", 
+  "name": "Delivery Note Trends"
+ }
+]
\ No newline at end of file
diff --git a/stock/report/item_prices/item_prices.py b/stock/report/item_prices/item_prices.py
index ea0be47..86ae085 100644
--- a/stock/report/item_prices/item_prices.py
+++ b/stock/report/item_prices/item_prices.py
@@ -69,10 +69,11 @@
 		from `tabItem Price` where docstatus<2""", as_dict=1)
 
 	for j in price_list:
-		if j.selling:
-			rate.setdefault(j.parent, {}).setdefault("selling", []).append(j.price)
-		if j.buying:
-			rate.setdefault(j.parent, {}).setdefault("buying", []).append(j.price)
+		if j.price:
+			if j.selling:
+				rate.setdefault(j.parent, {}).setdefault("selling", []).append(j.price)
+			if j.buying:
+				rate.setdefault(j.parent, {}).setdefault("buying", []).append(j.price)
 
 	item_rate_map = {}
 	
diff --git a/stock/report/purchase_receipt_trends/__init__.py b/stock/report/purchase_receipt_trends/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/stock/report/purchase_receipt_trends/__init__.py
diff --git a/stock/report/purchase_receipt_trends/purchase_receipt_trends.js b/stock/report/purchase_receipt_trends/purchase_receipt_trends.js
new file mode 100644
index 0000000..ecfa5a4
--- /dev/null
+++ b/stock/report/purchase_receipt_trends/purchase_receipt_trends.js
@@ -0,0 +1,5 @@
+wn.require("app/js/purchase_trends_filters.js");
+
+wn.query_reports["Purchase Receipt Trends"] = {
+	filters: get_filters()
+ }
\ No newline at end of file
diff --git a/stock/report/purchase_receipt_trends/purchase_receipt_trends.py b/stock/report/purchase_receipt_trends/purchase_receipt_trends.py
new file mode 100644
index 0000000..bd089fa
--- /dev/null
+++ b/stock/report/purchase_receipt_trends/purchase_receipt_trends.py
@@ -0,0 +1,34 @@
+# ERPNext - web based ERP (http://erpnext.com)
+# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program 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, see <http://www.gnu.org/licenses/>.
+
+from __future__ import unicode_literals
+import webnotes
+from controllers.trends	import get_columns,get_data
+
+def execute(filters=None):
+	if not filters: filters ={}
+	data = []
+
+	trans = "Purchase Receipt"
+	tab = ["tabPurchase Receipt","tabPurchase Receipt Item"]
+
+	details = get_columns(filters, trans)
+	data = get_data(filters, tab, details)
+	
+	if not data :
+		webnotes.msgprint("Data not found for selected criterias")
+
+	return details["columns"], data  
\ No newline at end of file
diff --git a/stock/report/purchase_receipt_trends/purchase_receipt_trends.txt b/stock/report/purchase_receipt_trends/purchase_receipt_trends.txt
new file mode 100644
index 0000000..179c524
--- /dev/null
+++ b/stock/report/purchase_receipt_trends/purchase_receipt_trends.txt
@@ -0,0 +1,21 @@
+[
+ {
+  "creation": "2013-06-13 18:45:44", 
+  "docstatus": 0, 
+  "modified": "2013-06-13 18:45:44", 
+  "modified_by": "Administrator", 
+  "owner": "Administrator"
+ }, 
+ {
+  "doctype": "Report", 
+  "is_standard": "Yes", 
+  "name": "__common__", 
+  "ref_doctype": "Purchase Receipt", 
+  "report_name": "Purchase Receipt Trends", 
+  "report_type": "Script Report"
+ }, 
+ {
+  "doctype": "Report", 
+  "name": "Purchase Receipt Trends"
+ }
+]
\ No newline at end of file