private void fillClipboard() {
		if (this.header.length != 3 ||
				this.header[1] != "Artikelnummer" ||
				this.header[2] != "Artikelbezeichnung") return;

		int prod_id = -1;
		try {
			prod_id = Integer.parseInt(this.table.getValueAt(this.table.getSelectedRow(), 1).toString());
		} catch (Exception e) {
		}
		if (prod_id == -1) return;
		StringSelection cont = new StringSelection(Integer.toString(prod_id));
		this.sysClip.setContents(cont, this);
	}