diff --git a/accounts/doctype/journal_voucher/journal_voucher.js b/accounts/doctype/journal_voucher/journal_voucher.js
index 82322c8..78956bf 100644
--- a/accounts/doctype/journal_voucher/journal_voucher.js
+++ b/accounts/doctype/journal_voucher/journal_voucher.js
@@ -84,13 +84,13 @@
 	var td=0.0; var tc =0.0;
 	var el = getchildren('Journal Voucher Detail', doc.name, 'entries');
 	for(var i in el) {
-		td += flt(el[i].debit);
-		tc += flt(el[i].credit);
+		td += flt(el[i].debit, 2);
+		tc += flt(el[i].credit, 2);
 	}
 	var doc = locals[doc.doctype][doc.name];
 	doc.total_debit = td;
 	doc.total_credit = tc;
-	doc.difference = flt(td - tc);
+	doc.difference = flt((td - tc), 2);
 	refresh_many(['total_debit','total_credit','difference']);
 }
 
diff --git a/accounts/doctype/journal_voucher/journal_voucher.py b/accounts/doctype/journal_voucher/journal_voucher.py
index 812ab7d..8b54f0f 100644
--- a/accounts/doctype/journal_voucher/journal_voucher.py
+++ b/accounts/doctype/journal_voucher/journal_voucher.py
@@ -114,8 +114,8 @@
 		debit, credit = 0.0, 0.0
 		debit_list, credit_list = [], []
 		for d in getlist(self.doclist, 'entries'):
-			debit += flt(d.debit)
-			credit += flt(d.credit)
+			debit += flt(d.debit, 2)
+			credit += flt(d.credit, 2)
 			if flt(d.debit)>0 and (d.account not in debit_list): debit_list.append(d.account)
 			if flt(d.credit)>0 and (d.account not in credit_list): credit_list.append(d.account)
 
@@ -289,32 +289,32 @@
 		if not getlist(self.doclist,'entries'):
 			msgprint("Please enter atleast 1 entry in 'GL Entries' table")
 		else:
-			flag, self.doc.total_debit, self.doc.total_credit = 0,0,0
-			diff = flt(self.doc.difference)
+			flag, self.doc.total_debit, self.doc.total_credit = 0, 0, 0
+			diff = flt(self.doc.difference, 2)
 			
 			# If any row without amount, set the diff on that row
 			for d in getlist(self.doclist,'entries'):
-				if not d.credit and not d.debit and flt(diff) != 0:
+				if not d.credit and not d.debit and diff != 0:
 					if diff>0:
-						d.credit = flt(diff)
+						d.credit = diff
 					elif diff<0:
-						d.debit = flt(diff)
+						d.debit = diff
 					flag = 1
 					
 			# Set the diff in a new row
-			if flag == 0 and (flt(diff) != 0):
+			if flag == 0 and diff != 0:
 				jd = addchild(self.doc, 'entries', 'Journal Voucher Detail', self.doclist)
 				if diff>0:
-					jd.credit = flt(abs(diff))
+					jd.credit = abs(diff)
 				elif diff<0:
-					jd.debit = flt(abs(diff))
+					jd.debit = abs(diff)
 					
 			# Set the total debit, total credit and difference
 			for d in getlist(self.doclist,'entries'):
-				self.doc.total_debit += flt(d.debit)
-				self.doc.total_credit += flt(d.credit)
+				self.doc.total_debit += flt(d.debit, 2)
+				self.doc.total_credit += flt(d.credit, 2)
 
-			self.doc.difference = flt(self.doc.total_debit) - flt(self.doc.total_credit)
+			self.doc.difference = flt(self.doc.total_debit, 2) - flt(self.doc.total_credit, 2)
 
 	def get_outstanding_invoices(self):
 		self.doclist = self.doc.clear_table(self.doclist, 'entries')
diff --git a/accounts/doctype/pos_setting/pos_setting.py b/accounts/doctype/pos_setting/pos_setting.py
index 0e68e2a..a024f6e 100755
--- a/accounts/doctype/pos_setting/pos_setting.py
+++ b/accounts/doctype/pos_setting/pos_setting.py
@@ -16,30 +16,37 @@
 
 from __future__ import unicode_literals
 import webnotes
-
-from webnotes.model import db_exists
-from webnotes.model.bean import copy_doclist
-from webnotes import msgprint
-
-sql = webnotes.conn.sql
-	
-
+from webnotes import msgprint, _
+from webnotes.utils import cint
 
 class DocType:
 	def __init__(self,doc,doclist=[]):
 		self.doc, self.doclist = doc,doclist
 
-	#--------------------get naming series from sales invoice-----------------
 	def get_series(self):
 		import webnotes.model.doctype
 		docfield = webnotes.model.doctype.get('Sales Invoice')
-		series = [d.options for d in docfield if d.doctype == 'DocField' and d.fieldname == 'naming_series']
+		series = [d.options for d in docfield 
+			if d.doctype == 'DocField' and d.fieldname == 'naming_series']
 		return series and series[0] or ''
 
 	def validate(self):
-		res = sql("select name, user from `tabPOS Setting` where ifnull(user, '') = '%s' and name != '%s' and company = '%s'" % (self.doc.user, self.doc.name, self.doc.company))
+		self.check_for_duplicate()
+		self.validate_expense_account()
+		
+	def check_for_duplicate(self):
+		res = webnotes.conn.sql("""select name, user from `tabPOS Setting` 
+			where ifnull(user, '') = %s and name != %s and company = %s""", 
+			(self.doc.user, self.doc.name, self.doc.company))
 		if res:
 			if res[0][1]:
-				msgprint("POS Setting '%s' already created for user: '%s' and company: '%s'"%(res[0][0], res[0][1], self.doc.company), raise_exception=1)
+				msgprint("POS Setting '%s' already created for user: '%s' and company: '%s'" % 
+					(res[0][0], res[0][1], self.doc.company), raise_exception=1)
 			else:
-				msgprint("Global POS Setting already created - %s for this company: '%s'" % (res[0][0], self.doc.company), raise_exception=1)
+				msgprint("Global POS Setting already created - %s for this company: '%s'" % 
+					(res[0][0], self.doc.company), raise_exception=1)
+
+	def validate_expense_account(self):
+		if cint(webnotes.defaults.get_global_default("auto_inventory_accounting")) \
+				and not self.doc.expense_account:
+			msgprint(_("Expense Account is mandatory"), raise_exception=1)
\ No newline at end of file
diff --git a/accounts/doctype/pos_setting/pos_setting.txt b/accounts/doctype/pos_setting/pos_setting.txt
index a625ad8..4e30b57 100755
--- a/accounts/doctype/pos_setting/pos_setting.txt
+++ b/accounts/doctype/pos_setting/pos_setting.txt
@@ -1,8 +1,8 @@
 [
  {
-  "creation": "2013-01-24 11:03:29", 
+  "creation": "2013-03-26 11:03:07", 
   "docstatus": 0, 
-  "modified": "2013-03-25 15:27:52", 
+  "modified": "2013-03-26 12:48:18", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -18,7 +18,8 @@
   "parent": "POS Setting", 
   "parentfield": "fields", 
   "parenttype": "DocType", 
-  "permlevel": 0
+  "permlevel": 0, 
+  "read_only": 0
  }, 
  {
   "doctype": "DocPerm", 
@@ -141,12 +142,15 @@
   "reqd": 1
  }, 
  {
+  "depends_on": "eval:sys_defaults.auto_inventory_accounting", 
   "doctype": "DocField", 
   "fieldname": "expense_account", 
   "fieldtype": "Link", 
+  "hidden": 0, 
   "label": "Expense Account", 
   "options": "Account", 
-  "reqd": 1
+  "print_hide": 1, 
+  "reqd": 0
  }, 
  {
   "doctype": "DocField",