diff --git a/css/bts_office.css b/css/bts_office.css
index 2509c0a..440e442 100644
--- a/css/bts_office.css
+++ b/css/bts_office.css
@@ -1042,6 +1042,14 @@ div.divTable .invalid {
     background-color: yellow;
 }
 
+
+div.blueTable.divTable.jobTable.disabled *{
+	background-color: lightgrey;
+	color:black;
+}
+div.blueTable.divTable.jobTable.disabled span.ticon{
+	display:none;
+}
 /* end of div table */
 /* pop up message box */
 .bts_message .ult_modal-body {
diff --git a/html/jobv1.html b/html/jobv1.html
index e21d67a..56cee92 100644
--- a/html/jobv1.html
+++ b/html/jobv1.html
@@ -1,5 +1,5 @@
 {{#jobs}}
-<div class="divTable jobTable blueTable {{#saved}} saved {{/saved}}  {{^saved}} dirty {{/saved}} {{#is_week1}}week1job{{/is_week1}} {{#is_week2}} week2job {{/is_week2}}" 
+<div class="divTable jobTable blueTable {{#disabled}} disabled {{/disabled}} {{#saved}} saved {{/saved}}  {{^saved}} dirty {{/saved}} {{#is_week1}}week1job{{/is_week1}} {{#is_week2}} week2job {{/is_week2}}" 
 	{{#id}} id="job_{{id}}" {{/id}} {{^id}} id="{{newjob_id}}" {{/id}}	 
 	data-id="{{id}}" {{^id}} data-newjob_id="{{newjob_id}}"  {{/id}}  
 	data-tos="{{tos}}" data-rate="{{rate}}"  data-staff="{{staff}}" data-client="{{client}}"
diff --git a/js/bts_office.js b/js/bts_office.js
index b568488..7884dc7 100644
--- a/js/bts_office.js
+++ b/js/bts_office.js
@@ -288,9 +288,7 @@
 		});
 		
 		$(document).on('click', 'div.workspace div.bedit span.ticon-edit', function(){
-			var el = $(this).closest('div.jobTable');
-			el.addClass('Editing');
-			 
+			var el = $(this).closest('div.jobTable'); 
 			var newjob_id = el.attr('data-newjob_id');
 			if (typeof newjob_id != 'undefined' && newjob_id != ''){
 				do_edit_new_job(newjob_id);
@@ -308,14 +306,10 @@
 		{
 			return new Date(bts().pay_calendar.start + " 00:00:00");
 		}
-		function allow_editing(job){
-			if (! job instanceof Job)
-				return false;
-
-			//TODO:
+		function allow_editing(date){
 			var begin = new Date(date);
 			var pay_begin = get_payroll_start();
-			return date > pay_begin; 
+			return begin > pay_begin; 
 		}		
 //		$(document).on('click', 'div.bts_editor div.ult-overlay-close', function(){
 //			$('.Editing').addClass('blink_me');
@@ -542,6 +536,7 @@
 				this.rating_range(this);
 				this.identify_job_week(this);
 				this.job_acked(this);
+				this.job_disabled(this);
 			}
 			
 			tos_name(e){
@@ -601,14 +596,18 @@
 			}
 			
 			job_acked(e){
-				if (typeof e == 'undefined'){
-					console.log('break;');
-				}
 				if (e.ack != 0){
 					e.is_confirmed = true;
 				}				
 			}
-			
+			job_disabled(e){
+				var allow = allow_editing(e.start); 
+				if (!allow)
+					e.disabled =true; 
+				else
+					delete e.disabled;
+
+			}
 			is_job_valid(){
 
 				var error_found = false;
@@ -673,7 +672,11 @@
 				}else{
 					return 1 * rate_info.RatePerUnit;
 				}
-			}			
+			}	
+			
+			allow_edit(){
+				return allow_editing(this.start);
+			}
 		};
 		class JobEditor{ //save data for the record, and display it as GUI
 			constructor(selector, job){
@@ -1459,7 +1462,7 @@
 					if( -1 != value.indexOf(strDate) ) //found
 					{
 						var el = $(e).closest('div.jobTable');
-						if (el.is(":visible") && el.hasClass('saved')){
+						if (el.is(":visible") && el.hasClass('saved') && ! el.hasClass('disabled')){
 							var id = el.data().id;
 							var j = bts().job_map[id];
 							var newj = clone_data_create_new_job(j.get_record(),7);//add 7 days
@@ -1471,6 +1474,7 @@
 			});
 			show_jobs(jobs);
 			debounced_calculate();
+			alert("Copied " + jobs.length + " jobs");
 		});
 
 		$('div.weekly div.weekname.next > input').click(function(e){
@@ -1510,6 +1514,7 @@
 			});
 			show_jobs(new_jobs);
 			unblink_all_date();
+			alert("Copied " + new_jobs.length + " jobs");
 		});
 		
 		$('div.week1,div.week2').click(function(e){
@@ -1523,6 +1528,8 @@
 			if (tb.is(':visible') && tb.hasClass('saved')){
 				var id = tb.data().id;
 				var j = bts().job_map[id];
+				if (! j.allow_edit())
+					return false;
 				var newj = clone_data_create_new_job(j.get_record() , 7); // +7 days
 				return newj;
 			}
@@ -1945,6 +1952,8 @@
 			$('div.jobTable[data-staff="' + id + '"]:visible').each(function(){
 				var el = this;
 				var match = find_driving_partner_job(el);
+				if (match == false)
+					return;
 				
 				var staff = $('#' + match).data().staff;
 				if (typeof kms[staff] =='undefined'){
@@ -1980,7 +1989,11 @@
 				}
 			});
 			if (matches.length != 1){
+				$(selector).find('.bstart').addClass("error");
+				$(selector).find(".bstart_err").html("No matching Job");
+				ensure_visible(selector);
 				console.warn("1 driving job has more than 1 matching", $(selector).attr('id'), matches);
+				return false;
 			}
 			$(selector).attr('data-driver', matches[0].driver); 
 			$(selector).attr('data-parent', matches[0].parent);
@@ -2267,11 +2280,24 @@
 		
 		function do_edit_job(id)
 		{
-			open_modal('editor');
-			set_modal_title('editor', "Editing Job: " + id);
-
 			//make a copy of the job
 			var child = bts().job_map[id];
+			if (! child.allow_edit()){
+				var msg =`You should not Edit this job, 
+					it's locked by Xero, 
+					Unless you insist to proceed
+					Are you sure you want edit it? 
+				`;
+				if(!confirm(msg))
+					return;
+			}
+			
+			var el = $("#job_" + id);
+			el.addClass('Editing');
+			
+			open_modal('editor');
+			set_modal_title('editor', "Editing Job: " + id);
+			
 			var job_copy = Object.assign(Object.create(Object.getPrototypeOf(child)), child); //a shallow copy only;
 			job_copy.editorid = bts_random_number();
 			//set_modal_data('editor', {jobid: id, job_copy:job_copy});