diff --git a/erpnext/accounts/doctype/pos_setting/pos_setting.js b/erpnext/accounts/doctype/pos_setting/pos_setting.js
index 61c64c2..e2fe888 100755
--- a/erpnext/accounts/doctype/pos_setting/pos_setting.js
+++ b/erpnext/accounts/doctype/pos_setting/pos_setting.js
@@ -1,15 +1,20 @@
 // Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
 // License: GNU General Public License v3. See license.txt
 
-cur_frm.cscript.onload = function(doc,cdt,cdn){
-	return $c_obj(cur_frm.doc, 'get_series','',function(r,rt){
-		if(r.message) set_field_options('naming_series', r.message);
+frappe.ui.form.on("POS Setting", "onload", function(frm) {
+	frm.set_query("selling_price_list", function() {
+		return { filter: { selling: 1 } };
 	});
-	
-	cur_frm.set_query("selling_price_list", function() {
-		return { filters: { selling: 1 } };
+
+	frm.call({
+		method: "erpnext.accounts.doctype.pos_setting.pos_setting.get_series",
+		callback: function(r) {
+			if(!r.exc) {
+				set_field_options("naming_series", r.message);
+			}
+		}
 	});
-}
+});
 
 //cash bank account
 //------------------------------------
@@ -20,10 +25,10 @@
 			'group_or_ledger': "Ledger",
 			'company': doc.company
 		}
-	}	
+	}
 }
 
-// Income Account 
+// Income Account
 // --------------------------------
 cur_frm.fields_dict['income_account'].get_query = function(doc,cdt,cdn) {
 	return{
@@ -32,11 +37,11 @@
 			'company': doc.company,
 			'account_type': "Income Account"
 		}
-	}	
+	}
 }
 
 
-// Cost Center 
+// Cost Center
 // -----------------------------
 cur_frm.fields_dict['cost_center'].get_query = function(doc,cdt,cdn) {
 	return{
@@ -44,11 +49,11 @@
 			'company': doc.company,
 			'group_or_ledger': "Ledger"
 		}
-	}	
+	}
 }
 
 
-// Expense Account 
+// Expense Account
 // -----------------------------
 cur_frm.fields_dict["expense_account"].get_query = function(doc) {
 	return {
@@ -65,8 +70,8 @@
 	return{
 		filters:[
 			['Print Heading', 'docstatus', '!=', 2]
-		]	
-	}	
+		]
+	}
 }
 
 
diff --git a/erpnext/accounts/doctype/pos_setting/pos_setting.json b/erpnext/accounts/doctype/pos_setting/pos_setting.json
index 2008277..a4f7fe3 100755
--- a/erpnext/accounts/doctype/pos_setting/pos_setting.json
+++ b/erpnext/accounts/doctype/pos_setting/pos_setting.json
@@ -1,5 +1,5 @@
 {
- "autoname": "naming_series:", 
+ "autoname": "POS/.####", 
  "creation": "2013-05-24 12:15:51", 
  "docstatus": 0, 
  "doctype": "DocType", 
@@ -19,6 +19,7 @@
    "description": "<a href=\"#Sales Browser/Territory\">Add / Edit</a>", 
    "fieldname": "territory", 
    "fieldtype": "Link", 
+   "in_list_view": 1, 
    "label": "Territory", 
    "oldfieldname": "territory", 
    "oldfieldtype": "Link", 
@@ -30,11 +31,12 @@
   {
    "fieldname": "naming_series", 
    "fieldtype": "Select", 
+   "in_list_view": 1, 
    "label": "Series", 
    "no_copy": 1, 
    "oldfieldname": "naming_series", 
    "oldfieldtype": "Select", 
-   "options": "POS-Setting-.#", 
+   "options": "[Select]", 
    "permlevel": 0, 
    "read_only": 0, 
    "reqd": 1
@@ -42,6 +44,7 @@
   {
    "fieldname": "currency", 
    "fieldtype": "Link", 
+   "in_list_view": 0, 
    "label": "Currency", 
    "oldfieldname": "currency", 
    "oldfieldtype": "Select", 
@@ -92,6 +95,7 @@
   {
    "fieldname": "customer", 
    "fieldtype": "Link", 
+   "in_list_view": 0, 
    "label": "Customer", 
    "oldfieldname": "customer_account", 
    "oldfieldtype": "Link", 
@@ -201,7 +205,7 @@
  ], 
  "icon": "icon-cog", 
  "idx": 1, 
- "modified": "2014-04-27 03:11:44.969097", 
+ "modified": "2014-05-04 08:47:33.250720", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "POS Setting", 
@@ -210,7 +214,7 @@
   {
    "cancel": 0, 
    "create": 1, 
-   "delete": 0, 
+   "delete": 1, 
    "email": 1, 
    "permlevel": 0, 
    "print": 1, 
diff --git a/erpnext/accounts/doctype/pos_setting/pos_setting.py b/erpnext/accounts/doctype/pos_setting/pos_setting.py
index ba592b0..e17cd91 100755
--- a/erpnext/accounts/doctype/pos_setting/pos_setting.py
+++ b/erpnext/accounts/doctype/pos_setting/pos_setting.py
@@ -9,9 +9,6 @@
 from frappe.model.document import Document
 
 class POSSetting(Document):
-	def get_series(self):
-		frappe.get_meta("Sales Invoice").get_field("naming_series").options or ""
-
 	def validate(self):
 		self.check_for_duplicate()
 		self.validate_expense_account()
@@ -67,3 +64,7 @@
 				frappe.defaults.set_user_default("is_pos", 1, user)
 			else:
 				frappe.defaults.set_global_default("is_pos", 1)
+
+@frappe.whitelist()
+def get_series():
+	return frappe.get_meta("Sales Invoice").get_field("naming_series").options or ""
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice_list.js b/erpnext/accounts/doctype/sales_invoice/sales_invoice_list.js
index 2f7727e..5592bc5 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice_list.js
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice_list.js
@@ -7,7 +7,8 @@
 	add_columns: [{"content":"Percent Paid", width:"10%", type:"bar-graph",
 		label: "Payment Received"}],
 	prepare_data: function(data) {
-		data["Percent Paid"] =  flt(data.grand_total) ? (((flt(data.grand_total) - 
-			flt(data.outstanding_amount)) / flt(data.grand_total)) * 100) : 0;
+		data["Percent Paid"] =  (data.docstatus===1 && flt(data.grand_total))
+			? (((flt(data.grand_total) - flt(data.outstanding_amount)) / flt(data.grand_total)) * 100)
+			: 0;
 	}
 };
diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index 404dfa7..c088042 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -120,10 +120,8 @@
 			if not tax_master_doctype:
 				tax_master_doctype = self.meta.get_field(tax_master_field).options
 
-			tax_doctype = self.meta.get_field(tax_parentfield).options
-
 			self.extend(tax_parentfield,
-				get_taxes_and_charges(tax_doctype, self.get(tax_master_field)), tax_parentfield)
+				get_taxes_and_charges(tax_master_doctype, self.get(tax_master_field), tax_parentfield))
 
 	def set_other_charges(self):
 		self.set("other_charges", [])