  *  @productversion Flex 4
  */
 [Event(name="change", type="flash.events.Event")]
+
+/**
+ *  The alpha of the focus ring for this component.
+ * 
+ *  @langversion 3.0
+ *  @playerversion Flash 10
+ *  @playerversion AIR 1.5
+ *  @productversion Flex 4
+ */
+[Style(name="focusAlpha", type="Number", inherit="no", theme="spark")]
 
 /**
  *  @copy spark.components.supportClasses.GroupBase#style:focusColor

     */
    public var incrementButton:Button;
    
    [SkinPart(required="true")]
    
    /**
     *  A skin part that defines the  button that, 

    //
    //--------------------------------------------------------------------------
    
    [SkinPart(required="false")]
    
    /**
     *  A skin part that defines the  button that, 
