diff --git a/frameworks/projects/flatspark/src/flatspark/utils/ColorUtils.as b/frameworks/projects/flatspark/src/flatspark/utils/ColorUtils.as
index 09f9cb2..e9007c3 100644
--- a/frameworks/projects/flatspark/src/flatspark/utils/ColorUtils.as
+++ b/frameworks/projects/flatspark/src/flatspark/utils/ColorUtils.as
@@ -45,15 +45,10 @@
 		public static const Concrete:uint = 0x95A5A6;
 		public static const Asbestos:uint = 0x7F8C8D;
 		
-		public function ColorUtils()
-		{
-			
-		}		
-		
 		public static function ButtonColor(brand:int, estado:State):uint
 		{
 			// All the possible colors
-			var cores:Array = new Array(
+			var cores:Array = [
 				ButtonColorEnum.PrimaryUp, ButtonColorEnum.PrimaryHover, ButtonColorEnum.PrimaryDown, ButtonColorEnum.PrimaryDisabled,
 				ButtonColorEnum.SuccessUp, ButtonColorEnum.SuccessHover, ButtonColorEnum.SuccessDown, ButtonColorEnum.SuccessDisabled,
 				ButtonColorEnum.WarningUp, ButtonColorEnum.WarningHover, ButtonColorEnum.WarningDown, ButtonColorEnum.WarningDisabled,
@@ -61,7 +56,7 @@
 				ButtonColorEnum.DefaultUp, ButtonColorEnum.DefaultHover, ButtonColorEnum.DefaultDown, ButtonColorEnum.DefaultDisabled,
 				ButtonColorEnum.InfoUp, ButtonColorEnum.InfoHover, ButtonColorEnum.InfoDown, ButtonColorEnum.InfoDisabled,
 				ButtonColorEnum.DangerUp, ButtonColorEnum.DangerHover, ButtonColorEnum.DangerDown, ButtonColorEnum.DangerDisabled
-				);
+				];
 			
 			// Map all the allowed states
 			var numeroEstado:int = 1;
@@ -80,11 +75,8 @@
 					numeroEstado = 3;
 					break;
 			}
-			
-			var posicao:int = 1;
-			posicao = 4 * (brand - 1) + (numeroEstado - 1); 
-			
-			return cores[posicao];
+
+			return cores[4 * (brand - 1) + (numeroEstado - 1)];
 		}
 	}
 }
\ No newline at end of file
diff --git a/frameworks/projects/spark/src/spark/components/supportClasses/DropDownListBase.as b/frameworks/projects/spark/src/spark/components/supportClasses/DropDownListBase.as
index aaba442..c80c2b4 100644
--- a/frameworks/projects/spark/src/spark/components/supportClasses/DropDownListBase.as
+++ b/frameworks/projects/spark/src/spark/components/supportClasses/DropDownListBase.as
@@ -900,7 +900,7 @@
             var proposedNewIndex:int = NO_SELECTION;
             var currentIndex:int;
                         
-            if (isDropDownOpen)
+            if (isDropDownOpen && layout)
             {   
                 // Normalize the proposed index for getNavigationDestinationIndex
                 currentIndex = userProposedSelectedIndex < NO_SELECTION ? NO_SELECTION : userProposedSelectedIndex;
@@ -992,7 +992,6 @@
         {
             event.preventDefault();
         }
-        
     }
     
     /**
diff --git a/frameworks/projects/spark/src/spark/components/supportClasses/ListBase.as b/frameworks/projects/spark/src/spark/components/supportClasses/ListBase.as
index e700d0d..fbe1050 100644
--- a/frameworks/projects/spark/src/spark/components/supportClasses/ListBase.as
+++ b/frameworks/projects/spark/src/spark/components/supportClasses/ListBase.as
@@ -1877,9 +1877,9 @@
         
         // We want to wait one frame after validation has occured before turning off 
         // selection transitions again.  We tried using dataGroup's updateComplete event listener, 
-        // but because some validateNows() occur (before all of the event handling code has finished), 
-        // this was occuring too early.  We also tried just using callLater or ENTER_FRAME, but that 
-        // occurs before the LayoutManager has run, so we add an ENTER_FRAME handler with a 
+        // but because some validateNow() calls occur (before all of the event handling code has
+        // finished), this was occurring too early.  We also tried just using callLater or ENTER_FRAME,
+        // but that occurs before the LayoutManager has run, so we add an ENTER_FRAME handler with a
         // low priority to make sure it occurs after the LayoutManager pass.
         systemManager.addEventListener(Event.ENTER_FRAME, allowSelectionTransitions_enterFrameHandler, false, -100);
     }