function cancelLink () {
  return false;
}
function disableLink (link) {
	//link.style.backgroundColor = "#404A60";
	link.style.backgroundColor = "#8B816C";
	if (link.onclick) {
		link.oldOnClick = link.onclick;
	}
	link.onclick = cancelLink;
	if (link.style) {
		link.style.cursor = 'default';
	}
}
function enableLink (link) {
	link.style.backgroundColor = "#686F89";
	link.onclick = link.oldOnClick ? link.oldOnClick : null;
	if (link.style) {
		link.style.cursor = document.all ? 'hand' : 'pointer';
	}
}
function toggleLink (link_id) {
	enableLink(gActualLink);
	//
	oLink = eval ("document.getElementById(link_id).getElementsByTagName('a')[0]");
	gActualLink = oLink;
	disableLink (gActualLink);
}