diff --git a/erpnext/projects/doctype/project/project.js b/erpnext/projects/doctype/project/project.js
index aa55876..8999f85 100644
--- a/erpnext/projects/doctype/project/project.js
+++ b/erpnext/projects/doctype/project/project.js
@@ -26,22 +26,29 @@
 // show tasks
 cur_frm.cscript.refresh = function(doc) {
 	if(!doc.__islocal) {
-		cur_frm.add_custom_button(__("Gantt Chart"), function() {
-			frappe.route_options = {"project": doc.name, "start": doc.expected_start_date, "end": doc.expected_end_date};
-			frappe.set_route("Gantt", "Task");
-		}, "icon-tasks", true);
-		cur_frm.add_custom_button(__("Tasks"), function() {
-			frappe.route_options = {"project": doc.name}
-			frappe.set_route("List", "Task");
-		}, "icon-list", true);
-		cur_frm.add_custom_button(__("Time Logs"), function() {
-			frappe.route_options = {"project": doc.name}
-			frappe.set_route("List", "Time Log");
-		}, "icon-list", true);
-		cur_frm.add_custom_button(__("Expense Claims"), function() {
-			frappe.route_options = {"project": doc.name}
-			frappe.set_route("List", "Expense Claim");
-		}, "icon-list", true);
+		if(frappe.model.can_read("Task")) {
+			cur_frm.add_custom_button(__("Gantt Chart"), function() {
+				frappe.route_options = {"project": doc.name, "start": doc.expected_start_date, "end": doc.expected_end_date};
+				frappe.set_route("Gantt", "Task");
+			}, "icon-tasks", true);
+			cur_frm.add_custom_button(__("Tasks"), function() {
+				frappe.route_options = {"project": doc.name}
+				frappe.set_route("List", "Task");
+			}, "icon-list", true);
+		}
+		if(frappe.model.can_read("Time Log")) {
+			cur_frm.add_custom_button(__("Time Logs"), function() {
+				frappe.route_options = {"project": doc.name}
+				frappe.set_route("List", "Time Log");
+			}, "icon-list", true);
+		}
+
+		if(frappe.model.can_read("Expense Claim")) {
+			cur_frm.add_custom_button(__("Expense Claims"), function() {
+				frappe.route_options = {"project": doc.name}
+				frappe.set_route("List", "Expense Claim");
+			}, "icon-list", true);
+		}
 	}
 }
 
@@ -56,5 +63,5 @@
 		filters:{
 			'project_name': doc.name
 		}
-	}	
+	}
 }
diff --git a/erpnext/projects/doctype/time_log/time_log.js b/erpnext/projects/doctype/time_log/time_log.js
index 536ddf8..776a75b 100644
--- a/erpnext/projects/doctype/time_log/time_log.js
+++ b/erpnext/projects/doctype/time_log/time_log.js
@@ -42,7 +42,7 @@
 frappe.ui.form.on("Time Log", "to_time", function(frm) {
 	if(frm._setting_hours) return;
 	frm.set_value("hours", moment(cur_frm.doc.to_time).diff(moment(cur_frm.doc.from_time),
-		"hours"));
+		"minutes") / 60);
 
 });
 
@@ -98,5 +98,5 @@
 		filters:{
 			'project': doc.project
 		}
-	}	
+	}
 }
diff --git a/erpnext/setup/doctype/notification_control/notification_control.json b/erpnext/setup/doctype/notification_control/notification_control.json
index f81801d..a77fe67 100644
--- a/erpnext/setup/doctype/notification_control/notification_control.json
+++ b/erpnext/setup/doctype/notification_control/notification_control.json
@@ -176,20 +176,13 @@
  "icon": "icon-envelope", 
  "idx": 1, 
  "issingle": 1, 
- "modified": "2015-03-04 01:13:46.715113", 
+ "modified": "2015-07-13 06:24:05.436127", 
  "modified_by": "Administrator", 
  "module": "Setup", 
  "name": "Notification Control", 
  "owner": "Administrator", 
  "permissions": [
   {
-   "create": 0, 
-   "permlevel": 0, 
-   "read": 1, 
-   "role": "Guest", 
-   "write": 0
-  }, 
-  {
    "create": 1, 
    "permlevel": 0, 
    "read": 1,