diff --git a/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js b/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
index 4db223d..2e558f1 100644
--- a/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
+++ b/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
@@ -9525,35 +9525,22 @@ AIA.controller("DAController", ["$scope", "$rootScope", "$compile", "$http", "$l
         }
 
         $scope.LayerChangeBasedOnKeyPressed = function (e) {
-            //	Dissectible Anatomy > Should not display blank page if no layer is selected.
-
-        //    alert('key down')
-            //if (e.keyCode == 13) {
-
-            //    if ($("#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) {
+
                     var layerInputValInc = parseInt(layerInputVal) + 1;
                     $scope.layerNumber = parseInt(layerInputValInc);
                     $("#txtlayerNumber").val($scope.layerNumber);
                     $rootScope.PreviouslayerNumbr = $scope.layerNumber;
+
                 }
                 else {
+                   
                     $("#txtlayerNumber").val($rootScope.totalLayers);
                 }
 
@@ -9562,12 +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;
+
                 }
             }
 
@@ -9576,7 +9565,7 @@ AIA.controller("DAController", ["$scope", "$rootScope", "$compile", "$http", "$l
 
         $scope.LayerValueChangeBasedOnKeyUp = function (e) {
 
-          //  alert('key up')
+      
             if (e.keyCode == 13) {
 
                 if ($("#txtlayerNumber").val() == '') {
@@ -9584,9 +9573,8 @@ AIA.controller("DAController", ["$scope", "$rootScope", "$compile", "$http", "$l
                     $("#txtlayerNumber").val($rootScope.PreviouslayerNumbr);
                 }
                 else {
-                    $rootScope.PreviouslayerNumbr = $("#txtlayerNumber").val();
-
 
+                    $rootScope.PreviouslayerNumbr = $("#txtlayerNumber").val();
 
                     var keyUplayerNumber = parseInt($("#txtlayerNumber").val());
 
@@ -9596,7 +9584,7 @@ AIA.controller("DAController", ["$scope", "$rootScope", "$compile", "$http", "$l
                     else {
 
                         if (keyUplayerNumber > $rootScope.totalLayers) {
-
+                          
                             $("#txtlayerNumber").val($rootScope.totalLayers);
                             $scope.layerNumber = parseInt($rootScope.totalLayers);
 
@@ -9614,13 +9602,14 @@ AIA.controller("DAController", ["$scope", "$rootScope", "$compile", "$http", "$l
             }
             else {
                 var layerInputVal = $("#txtlayerNumber").val();
-                if (layerInputVal < $rootScope.totalLayers) {
-                    //var layerInputValInc = parseInt(layerInputVal) + 1;
-                    //$scope.layerNumber = parseInt(layerInputValInc);
+
+                if (layerInputVal <= $rootScope.totalLayers) {
+                  
                     $("#txtlayerNumber").val(layerInputVal);
-                    //$rootScope.PreviouslayerNumbr = $scope.layerNumber;
+                    
                 }
                 else {
+                   
                     $("#txtlayerNumber").val($rootScope.totalLayers);
                 }
             }