diff --git a/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js b/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
index eb1e6ac..2e558f1 100644
--- a/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
+++ b/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
@@ -9525,33 +9525,23 @@ AIA.controller("DAController", ["$scope", "$rootScope", "$compile", "$http", "$l
         }
 
         $scope.LayerChangeBasedOnKeyPressed = function (e) {
-            //	Dissectible Anatomy > Should not display blank page if no layer is selected.
-
-
-            if (e.keyCode == 13) {
-
-                if ($("#txtlayerNumber").val() == '') {
-
-                    $("#txtlayerNumber").val($rootScope.PreviouslayerNumbr);
-                }
-                else {
-                    $rootScope.PreviouslayerNumbr = $("#txtlayerNumber").val();
-                    $scope.LayerChange();
-                }
-
-
-            }
 
             // 'x' button is displaying inside the input box in IE browser.
             if (e.keyCode == 38) {
 
-
                 var layerInputVal = $("#txtlayerNumber").val();
-                if (layerInputVal != $rootScope.totalLayers) {
+
+                if (layerInputVal < $rootScope.totalLayers) {
+
                     var layerInputValInc = parseInt(layerInputVal) + 1;
                     $scope.layerNumber = parseInt(layerInputValInc);
                     $("#txtlayerNumber").val($scope.layerNumber);
                     $rootScope.PreviouslayerNumbr = $scope.layerNumber;
+
+                }
+                else {
+                   
+                    $("#txtlayerNumber").val($rootScope.totalLayers);
                 }
 
 
@@ -9559,12 +9549,14 @@ AIA.controller("DAController", ["$scope", "$rootScope", "$compile", "$http", "$l
 
             // 'x' button is displaying inside the input box in IE browser.
             if (e.keyCode == 40) {
+
                 var layerInputVal = $("#txtlayerNumber").val();
                 if (layerInputVal > 0) {
                     var layerInputValDec = parseInt(layerInputVal) - 1;
                     $scope.layerNumber = parseInt(layerInputValDec);
                     $("#txtlayerNumber").val($scope.layerNumber);
                     $rootScope.PreviouslayerNumbr = $scope.layerNumber;
+
                 }
             }
 
@@ -9573,31 +9565,54 @@ AIA.controller("DAController", ["$scope", "$rootScope", "$compile", "$http", "$l
 
         $scope.LayerValueChangeBasedOnKeyUp = function (e) {
 
-            var keyUplayerNumber = parseInt($("#txtlayerNumber").val());
-
-            if (isNaN(keyUplayerNumber))
-            {
-                document.getElementById("txtlayerNumber").value = "";
-            }
-            else {
-
-                if (keyUplayerNumber > $rootScope.totalLayers) {
+      
+            if (e.keyCode == 13) {
 
-                    $("#txtlayerNumber").val($rootScope.totalLayers);
-                    $scope.layerNumber = parseInt($rootScope.totalLayers);
+                if ($("#txtlayerNumber").val() == '') {
 
+                    $("#txtlayerNumber").val($rootScope.PreviouslayerNumbr);
                 }
                 else {
 
-                    $("#txtlayerNumber").val(keyUplayerNumber);
-                    $scope.layerNumber = parseInt(keyUplayerNumber);
+                    $rootScope.PreviouslayerNumbr = $("#txtlayerNumber").val();
 
+                    var keyUplayerNumber = parseInt($("#txtlayerNumber").val());
 
-                }
+                    if (isNaN(keyUplayerNumber)) {
+                        document.getElementById("txtlayerNumber").value = "";
+                    }
+                    else {
 
-            }
+                        if (keyUplayerNumber > $rootScope.totalLayers) {
+                          
+                            $("#txtlayerNumber").val($rootScope.totalLayers);
+                            $scope.layerNumber = parseInt($rootScope.totalLayers);
 
+                        }
+                        else {
 
+                            $("#txtlayerNumber").val(keyUplayerNumber);
+                            $scope.layerNumber = parseInt(keyUplayerNumber);
+
+
+                        }
+                        $scope.LayerChange();
+                    }
+                }
+            }
+            else {
+                var layerInputVal = $("#txtlayerNumber").val();
+
+                if (layerInputVal <= $rootScope.totalLayers) {
+                  
+                    $("#txtlayerNumber").val(layerInputVal);
+                    
+                }
+                else {
+                   
+                    $("#txtlayerNumber").val($rootScope.totalLayers);
+                }
+            }
         }