 {
 import flash.events.MouseEvent;
 
+import flex.core.DataGroup;
 import flex.core.MXMLComponent;
+import flex.layout.HorizontalLayout;
+import flex.layout.VerticalLayout;
 
 /**
  *  The ItemRenderer class is the base class for List item renderers.

    //  Properties
    //
    //--------------------------------------------------------------------------
    
    /**
     *  @private

	{
		super();
		
		addHandlers();
	}
	
