function replaceImg(id, hover) {
	var el = document.getElementById('child-button-' + id);
	if (el) {
		el.className = 'child-button-' + id + (hover ? '-hover' : '');
	}
	el = document.getElementById('country-button-' + id);
	if (el) {
		el.className = 'country-button-' + id + (hover ? '-hover' : '');
	}
}

function mapClick(id) {
	var el = document.getElementById('child-button-' + id);
	if (el) {
		document.location.href = el.href;
	}
}