void saveTileset() {
		try {
			int success = tschooser.showSaveDialog(mainFrame);
			if (success == JFileChooser.APPROVE_OPTION) {
				gfx.saveTileset(tschooser.getSelectedFile());
				setGraphicsBank(gfx);
			}
		} catch (IOException e) {
			PromptDialog.tell("Could not read the file", "OK");
			System.out.println(e);
			e.printStackTrace();
		}
	}