     private function removeSystemMouseHandlers():void
     {
         systemManager.getSandboxRoot().removeEventListener(
-			MouseEvent.MOUSE_UP, mouseEventHandler, true /* useCapture */);
+            MouseEvent.MOUSE_UP, mouseEventHandler, true /* useCapture */);
 
         systemManager.getSandboxRoot().removeEventListener(
-			SandboxMouseEvent.MOUSE_UP_SOMEWHERE, mouseEventHandler);
+            SandboxMouseEvent.MOUSE_UP_SOMEWHERE, mouseEventHandler);
     }
     
     /**

    /**
     *  @private
     */
	private var _keepDown:Boolean = false;
    
    /**
     *  @private

[Style(name="focusAlpha", type="Number", inherit="no", theme="spark")]

/**
 *  @copy spark.components.supportClasses.GroupBase#style:focusColor
 *   
 *  @default 0x70B2EE
 *  
 *  @langversion 3.0
 *  @playerversion Flash 10
