function novy_element() {
	novy_input = document.createElement('input');
	novy_input.setAttribute('type', 'hidden');
	novy_input.setAttribute('name', 'kod');
	novy_input.setAttribute('readonly', '');
	novy_input.setAttribute('value', ('XED' + 'AEB'));
	document.getElementById('div_kod').appendChild(novy_input);
}