for ( int i = 0; i < buttonRegistry.size( ); i++ )
Iterator buttons = popupButtonRegistry.values( ).iterator( ); while ( buttons.hasNext( ) )
	final protected void selectAllButtons( boolean isSelected )	{		for ( int i = 0; i < buttonRegistry.size( ); i++ )		{			( (Button) buttonRegistry.get( i ) ).setSelection( isSelected );		}	}