function ryabina(lH,lA,h,a) {
	if(document.getElementById(lH).checked) {
		document.getElementById(h).style.display = 'inline';
		document.getElementById(a).style.display = 'none';
		document.getElementById(h).disabled = false;
		document.getElementById(a).disabled = true;
	} else {
		document.getElementById(a).style.display = 'inline';
		document.getElementById(h).style.display = 'none';
		document.getElementById(a).disabled = false;
		document.getElementById(h).disabled = true;
	}
}