public TableCellRenderer getCellRenderer(int row, int column) {
    	
    	DefaultTableCellRenderer render = new DefaultTableCellRenderer();; 
        
    	if (column <= 2) {
    		
    	} else {    		
    		render.setHorizontalAlignment(SwingConstants.RIGHT);
    	}

        if ((row % 2) == 0) {
            render.setBackground(Color.WHITE);
        } else {
        	render.setBackground(COLOR_GRAY);
        }
        
        return render;
    }