private DefaultTableModel vytvorDataProTabulku() {
	DefaultTableModel model = new DefaultTableModel();
		
	model.addColumn("Nazev");
	model.addColumn("Objem");
	model.addColumn("Uzitecne zatizeni");
	model.addColumn("Maximalni rychlost");
		
	model.addRow(new String[] {"LZ120 Bodensee", "22 550 m3", "11 500 kg", "132 km/h"});
	model.addRow(new String[] {"LZ121 Nordstern", "22 550 m3", "11 500 kg", "132 km/h"});
	model.addRow(new String[] {"LZ126 ZR-3", "70 000 m3", "30 400 kg", "122 km/h"});
	model.addRow(new String[] {"LZ127 Graf Zeppelin", "111 000 m3", "60 000 kg", "128 km/h"});
	model.addRow(new String[] {"LZ129 Hindenburg", "211 890 m3", "112 100 kg", "135 km/h"});
	model.addRow(new String[] {"LZ130 Graf Zeppelin II", "211 890 m3", "10 000 kg", "135 km/h"});
		
	return model;
}