var zakladnibg = '', zvyraznenabg = '#2CFF2E';
function zmena(t) {
	prvek = t.name;
	for (i = 0 ; i < document.forms.length ; i ++) {
		for (j = 0 ; j < document.forms[i].elements.length ; j ++) {
			document.forms[i].elements[j].style.backgroundColor = (document.forms[i].elements[j].name == prvek) ? zvyraznenabg : zakladnibg;
		}
	}
	return false;
}