diff --git a/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js b/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
index 90f0eb2..456d332 100644
--- a/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
+++ b/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
@@ -8293,13 +8293,19 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
     }
 
     $scope.LayerChangeBasedOnKeyPressed = function (e) {
-
+        //	Dissectible Anatomy > Should not display blank page if no layer is selected.
         if (e.keyCode == 13) {
+            if ($("#txtlayerNumber").val() == '')
+            {
+                $scope.layerNumber = 0;
+            }
+            
             $scope.LayerChange();
+         
         }
 
         // 'x' button is displaying inside the input box in IE browser.
-        if (e.which == 38) {
+        if (e.keyCode == 38) {
 
 
             var layerInputVal = $("#txtlayerNumber").val();
@@ -8313,7 +8319,7 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
         }
 
         // 'x' button is displaying inside the input box in IE browser.
-        if (e.which == 40) {
+        if (e.keyCode == 40) {
             var layerInputVal = $("#txtlayerNumber").val();
             if (layerInputVal > 0) {
                 var layerInputValDec = parseInt(layerInputVal) - 1;