diff --git a/mozilla/calendar/resources/content/dayView.js b/mozilla/calendar/resources/content/dayView.js
index ef48408463f..bf2077efe22 100644
--- a/mozilla/calendar/resources/content/dayView.js
+++ b/mozilla/calendar/resources/content/dayView.js
@@ -469,9 +469,12 @@ DayView.prototype.refreshDisplay = function dayview_refreshDisplay( )
 		dayNameNext1 = this.calendarWindow.dateFormater.getDayName( this.calendarWindow.getSelectedDate().getDay() + 1);
 		dayNameNext2 = this.calendarWindow.dateFormater.getDayName( this.calendarWindow.getSelectedDate().getDay() + 2);
 	}
-   var monthName = this.calendarWindow.dateFormater.getMonthName( this.calendarWindow.getSelectedDate().getMonth() );
    
-   var dateString = monthName + " " + this.calendarWindow.getSelectedDate().getDate() + " " + this.calendarWindow.getSelectedDate().getFullYear();
+   var weekNumber = DateUtils.getWeekNumber( this.calendarWindow.getSelectedDate() );
+
+   var weekViewStringBundle = srGetStrBundle("chrome://calendar/locale/calendar.properties");
+
+   var dateString = weekViewStringBundle.GetStringFromName( "Week" )+" "+weekNumber+ ": " + this.calendarWindow.dateFormater.getFormatedDate( this.calendarWindow.getSelectedDate() ) ;
    
    var dayTextItemPrev2 = document.getElementById( "-2-day-title" );
    var dayTextItemPrev1 = document.getElementById( "-1-day-title" );
diff --git a/mozilla/calendar/resources/content/monthView.js b/mozilla/calendar/resources/content/monthView.js
index 07e4d5ad93f..e096cda5fbb 100644
--- a/mozilla/calendar/resources/content/monthView.js
+++ b/mozilla/calendar/resources/content/monthView.js
@@ -172,7 +172,7 @@ function MonthView( calendarWindow )
    
    this.dayNumberItemArray = new Array();
    this.dayBoxItemArray = new Array();
-//   this.weekNumberItemArray = new Array();
+   this.weekNumberItemArray = new Array();
    this.kungFooDeathGripOnEventBoxes = new Array();
    this.firstDateOfView = new Date();
    this.lastDateOfView = new Date();
@@ -181,8 +181,8 @@ function MonthView( calendarWindow )
    
    for( var weekIndex = 1; weekIndex <= 6; ++weekIndex )
    {
-//     var weekNumberItem = document.getElementById( "month-week-" + weekIndex + "-left" );
-//     this.weekNumberItemArray[ weekIndex ] = weekNumberItem;
+     var weekNumberItem = document.getElementById( "month-week-" + weekIndex + "-left" );
+     this.weekNumberItemArray[ weekIndex ] = weekNumberItem;
 
       for( var dayIndex = 1; dayIndex <= 7; ++dayIndex )
       {
@@ -529,21 +529,21 @@ MonthView.prototype.refreshDisplay = function monthView_refreshDisplay( )
        document.getElementById( "month-week-6-row" ).removeAttribute( "collapsed" );
    }
    
-//   // To Set Week Number 
-//   var weekNumberItem;
-//   var weekNumber ;
-//   var mondayDate ;
-//   var newoffset = (Offset >= 5) ? 8 -Offset : 1 - Offset ;
-//   for( var weekIndex = 0; weekIndex < 6; ++weekIndex )
-//   {
-//     weekNumberItem = this.weekNumberItemArray[ weekIndex+1 ] ;
-//     mondayDate = new Date( this.firstDateOfView.getFullYear(), 
-//			    this.firstDateOfView.getMonth(),
-//			    this.firstDateOfView.getDate()+newoffset+7*weekIndex );
+  // To Set Week Number 
+  var weekNumberItem;
+  var weekNumber ;
+  var mondayDate ;
+  var newoffset = (Offset >= 5) ? 8 -Offset : 1 - Offset ;
+  for( var weekIndex = 0; weekIndex < 6; ++weekIndex )
+  {
+    weekNumberItem = this.weekNumberItemArray[ weekIndex+1 ] ;
+    mondayDate = new Date( this.firstDateOfView.getFullYear(), 
+			    this.firstDateOfView.getMonth(),
+			    this.firstDateOfView.getDate()+newoffset+7*weekIndex );
 
-//     weekNumber=DateUtils.getWeekNumber(mondayDate);
-//     weekNumberItem.setAttribute( "value" , weekNumber );  
-//   }
+    weekNumber=DateUtils.getWeekNumber(mondayDate);
+    weekNumberItem.setAttribute( "value" , weekNumber );  
+  }
    
    // loop through all the day boxes
    
diff --git a/mozilla/calendar/resources/content/monthView.xul b/mozilla/calendar/resources/content/monthView.xul
index a5512146099..3695b99e7b2 100644
--- a/mozilla/calendar/resources/content/monthView.xul
+++ b/mozilla/calendar/resources/content/monthView.xul
@@ -118,6 +118,7 @@
 	    <box id="month-grid-box" flex="1">    
          <grid id="month-grid" flex="1">
 		    <columns>
+   			<column id="month-view-leftcol" class="month-leftcol-class"/>
    			<column id="month-view-column-1" class="month-column-class" flex="1"/>
    			<column id="month-view-column-2" class="month-column-class" flex="1"/>
    			<column id="month-view-column-3" class="month-column-class" flex="1"/>
@@ -129,6 +130,8 @@
 
 		    <rows >
 			<row id="month-week-header-row" flex="1">
+			    <vbox>
+			    </vbox>
 			    <vbox class="month-column-center-day-class">
 				   <label class="month-view-header-days" id="month-view-header-day-1"/>
 			    </vbox>
@@ -153,6 +156,11 @@
 			</row>
 
 			<row id="month-week-1-row" flex="1"  >
+			    <vbox class="month-leftcol-box-class" flex="1" id="month-week-1-left-box">
+				    <label class="week-short-text" value="&week.short;"/>
+				    <label class="month-leftcol-number-class" id="month-week-1-left"/>
+			    </vbox>    
+
 			    <vbox class="month-day-box-class" flex="1" id="month-week-1-day-1-box">
 				    <label class="month-day-number-class" id="month-week-1-day-1"/>
 			    </vbox>    
@@ -183,6 +191,11 @@
 			</row>
 
 			<row flex="1"  >
+			    <vbox class="month-leftcol-box-class" flex="1" id="month-week-2-left-box">
+				    <label class="week-short-text" value="&week.short;" />
+				    <label class="month-leftcol-number-class" id="month-week-2-left"/>
+			    </vbox>    
+
 			    <vbox class="month-day-box-class" flex="1"  id="month-week-2-day-1-box">
 				    <label class="month-day-number-class" id="month-week-2-day-1"/>
 			    </vbox>    
@@ -213,6 +226,11 @@
 			</row>
 
 			<row flex="1"  >
+			    <vbox class="month-leftcol-box-class" flex="1" id="month-week-3-left-box">
+				    <label class="week-short-text" value="&week.short;" />
+				    <label class="month-leftcol-number-class" id="month-week-3-left"/>
+			    </vbox>    
+
 			    <vbox class="month-day-box-class" flex="1" id="month-week-3-day-1-box">
 				    <label class="month-day-number-class" id="month-week-3-day-1"/>
 			    </vbox>    
@@ -243,6 +261,11 @@
 			</row>
 
 			<row flex="1"  >
+			    <vbox class="month-leftcol-box-class" flex="1" id="month-week-4-left-box">
+				    <label class="week-short-text" value="&week.short;" />
+				    <label class="month-leftcol-number-class" id="month-week-4-left"/>
+			    </vbox>    
+
 			    <vbox class="month-day-box-class" flex="1"  id="month-week-4-day-1-box">
 				    <label class="month-day-number-class" id="month-week-4-day-1"/>
 			    </vbox>    
@@ -273,6 +296,11 @@
 			</row>
 
 			<row flex="1"  >
+			    <vbox class="month-leftcol-box-class" flex="1" id="month-week-5-left-box">
+				    <label class="week-short-text" value="&week.short;" />
+				    <label class="month-leftcol-number-class" id="month-week-5-left"/>
+			    </vbox>    
+
 			    <vbox class="month-day-box-class" flex="1" id="month-week-5-day-1-box">
 				    <label class="month-day-number-class" id="month-week-5-day-1"/>
 			    </vbox>    
@@ -303,6 +331,11 @@
 			</row>
 
 			<row id="month-week-6-row" flex="1">
+			    <vbox class="month-leftcol-box-class" flex="1" id="month-week-6-left-box">
+				    <label class="week-short-text" value="&week.short;" />
+				    <label class="month-leftcol-number-class" id="month-week-6-left"/>
+			    </vbox>    
+
 			    <vbox class="month-day-box-class" flex="1"  id="month-week-6-day-1-box">
 				    <label class="month-day-number-class" id="month-week-6-day-1"/>
 			    </vbox>    
diff --git a/mozilla/calendar/resources/content/weekView.js b/mozilla/calendar/resources/content/weekView.js
index 665e8e142d1..12c3fdb2b49 100644
--- a/mozilla/calendar/resources/content/weekView.js
+++ b/mozilla/calendar/resources/content/weekView.js
@@ -568,15 +568,19 @@ WeekView.prototype.refreshDisplay = function( )
    var firstDayOfWeek = new Date( viewYear, viewMonth, dateOfFirstDayInWeek );
    var lastDayOfWeek = new Date( viewYear, viewMonth, dateOfLastDayInWeek );
     
-   var firstDayMonthName = this.calendarWindow.dateFormater.getMonthName( firstDayOfWeek.getMonth() );
-   var lastDayMonthName =  this.calendarWindow.dateFormater.getMonthName( lastDayOfWeek.getMonth() );
+   var firstDayMonthName = this.calendarWindow.dateFormater.getFormatedDateWithoutYear( firstDayOfWeek );
+   var lastDayMonthName =  this.calendarWindow.dateFormater.getFormatedDateWithoutYear( lastDayOfWeek );
    
-   var weekNumber = this.getWeekNumber();
+   var newoffset = (Offset >= 5) ? 8 -Offset : 1 - Offset ;
+   var mondayDate = new Date( firstDayOfWeek.getFullYear(), 
+			      firstDayOfWeek.getMonth(),
+			      firstDayOfWeek.getDate()+newoffset );
+   
+   var weekNumber = DateUtils.getWeekNumber(mondayDate);
 
    var weekViewStringBundle = srGetStrBundle("chrome://calendar/locale/calendar.properties");
    
-   var dateString = weekViewStringBundle.GetStringFromName( "Week" )+" "+weekNumber+ ": "+firstDayMonthName + " " + firstDayOfWeek.getDate() + " - " +
-                    lastDayMonthName  + " " + lastDayOfWeek.getDate();
+   var dateString = weekViewStringBundle.GetStringFromName( "Week" )+" "+weekNumber+ ": "+firstDayMonthName + " - " + lastDayMonthName ;
    
    var weekTextItem = document.getElementById( "week-title-text" );
    weekTextItem.setAttribute( "value" , dateString ); 
@@ -830,25 +834,3 @@ WeekView.prototype.clearSelectedDate = function( )
       SelectedBoxes[i].removeAttribute( "weekselected" );
    }
 }
-
-
-WeekView.prototype.getWeekNumber = function()
-{
-	var today = new Date( this.calendarWindow.getSelectedDate() );
-	var Year = today.getYear() + 1900;
-	var Month = today.getMonth();
-	var Day = today.getDate();
-   var now = new Date(Year,Month,Day+1);
-	now = now.getTime();
-   var Firstday = new Date( this.calendarWindow.getSelectedDate() );
-	Firstday.setYear(Year);
-	Firstday.setMonth(0);
-	Firstday.setDate(1);
-	var then = new Date(Year,0,1);
-   then = then.getTime();
-	var Compensation = Firstday.getDay();
-	if (Compensation > 3) Compensation -= 4;
-	else Compensation += 3;
-	NumberOfWeek =  Math.round((((now-then)/86400000)+Compensation)/7);
-	return NumberOfWeek;
-}