diff --git a/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js b/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
index e47132a..581c861 100644
--- a/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
+++ b/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
@@ -1039,6 +1039,10 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
             {
                 $scope.multiAnnotationIsON = true;
             }
+            else
+            {
+                $scope.multiAnnotationIsON = false;
+            }
 
             // debugger;
             var annotationText;
@@ -3108,7 +3112,6 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
 
             img.src = dataURL;
 
-
             var DAData = new BitmapData(img.width, img.height);
             DAData.draw(img);
             var RED = 0.3086; // luminance contrast value for red
@@ -3133,7 +3136,6 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
             var grayImageData = context_gray.getImageData(0, 0, width, ht);
             var grayImageImageDataVar = grayImageData.data;
 
-
             if (value.haveMirror == 'true') {
                 $rootScope.grayImageMRDataList[parseInt(value.bodyRegionId)] = grayImageData;
             }
@@ -3150,6 +3152,33 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
 
     }
 
+    $scope.applyGrayMatrix = function (img, context_gray)
+    {
+        var DAData = new BitmapData(img.width, img.height);
+        DAData.draw(img);
+        var RED = 0.3086; // luminance contrast value for red
+        var GREEN = 0.694; // luminance contrast value for green
+        var BLUE = 0.0820; // luminance contrast value for blue
+
+        var RGB = [RED, GREEN, BLUE, 0, 0];
+        var RGB2 = [RED, GREEN, BLUE, 0, 0];
+        var RGB3 = [RED, GREEN, BLUE, 0, 0];
+        var ALPHA = [0, 0, 0, 1, 0];
+
+        var rgbPx = RGB.concat(RGB2);
+        var rgbPx2 = rgbPx.concat(RGB3);
+        var matrix = rgbPx2.concat(ALPHA);
+
+        var zeroPoint = new Point();
+        var grayScale = new ColorMatrixFilter(matrix);
+        DAData.applyFilter(DAData, DAData.rect, zeroPoint, grayScale);
+
+        context_gray.putImageData(DAData.data, 0, 0)
+
+        var grayImageData = context_gray.getImageData(0, 0, width, ht);
+        var grayImageImageDataVar = grayImageData.data;
+
+    }
 
     $scope.getActualTermNumber = function (iColor) {
         $scope.actualTermNo = new jinqJs()