diff --git a/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js b/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
index bcc3edf..9e83265 100644
--- a/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
+++ b/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
@@ -2642,26 +2642,46 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
 
     $scope.LayerChangeOnMouseUpDown = function (e) {
         //'x' button is displaying inside the input box in IE browser.
-      
+
         if (e.currentTarget.id == "incrmntVal") {
+            //Dissectible Anatomy > Inappropriate Text in Layer Input box.
+            if ($("#txtlayerNumber").val() == '') {
+                var layerInputVal = 0;
 
-            var layerInputVal = $("#txtlayerNumber").val();
-            if (layerInputVal != $rootScope.totalLayers) {
-                var layerInputValInc = parseInt(layerInputVal) + 1;
+                var layerInputValInc = parseInt(layerInputVal);
                 $scope.layerNumber = parseInt(layerInputValInc);
                 $("#txtlayerNumber").val($scope.layerNumber);
+
+            }
+            else {
+                var layerInputVal = $("#txtlayerNumber").val();
+                if (layerInputVal != $rootScope.totalLayers) {
+                    var layerInputValInc = parseInt(layerInputVal) + 1;
+                    $scope.layerNumber = parseInt(layerInputValInc);
+                    $("#txtlayerNumber").val($scope.layerNumber);
+                }
+
             }
 
         }
         else {
 
-            var layerInputVal = $("#txtlayerNumber").val();
-            if (layerInputVal > 0) {
-                var layerInputValDec = parseInt(layerInputVal) - 1;
+            //Dissectible Anatomy > Inappropriate Text in Layer Input box.
+            if ($("#txtlayerNumber").val() == '') {
+                var layerInputVal = 0;
+                var layerInputValDec = parseInt(layerInputVal);
                 $scope.layerNumber = parseInt(layerInputValDec);
                 $("#txtlayerNumber").val($scope.layerNumber);
-            }
 
+            }
+            else {
+                var layerInputVal = $("#txtlayerNumber").val();
+                if (layerInputVal > 0) {
+                    var layerInputValDec = parseInt(layerInputVal) - 1;
+                    $scope.layerNumber = parseInt(layerInputValDec);
+                    $("#txtlayerNumber").val($scope.layerNumber);
+                }
+            }
 
         }
         $scope.LayerChange();