function changeActivemap(centre_id) {
	var wrapper = document.getElementById("activemap_right");
	var centre = document.getElementById("activemap_centre_"+centre_id).cloneNode(true);

	if (wrapper.hasChildNodes() == true) {
		wrapper.replaceChild(centre, first_child(wrapper));
	} else {
		wrapper.appendChild(centre);
	}
}

function hideBlock (exception) {
	var wrapper = document.getElementById("wrapper_activemap_noscript");
	wrapper.style.display = "none";
}