GridLayout layout = new GridLayout( numsColumn, makeColumnsEqualWidth );
GridLayout layout = new GridLayout( );
	public static GridLayout createGridLayoutWithoutMargin( int numsColumn,			boolean makeColumnsEqualWidth )	{		GridLayout layout = new GridLayout( numsColumn, makeColumnsEqualWidth );		layout.marginHeight = layout.marginWidth = 0;		return layout;	}