function setMainMenuCurrent (id, preserveA) {

	var liNode = document.getElementById('li.' + id);
	if (!liNode) {
		alert('error: could not find liNode: ' + id);
		return;
	}
	liNode.id = 'liMainMenuCurrent';

	if ((preserveA == undefined) || (preserveA == 0)) {
		var aNode = document.getElementById('a.' + id);
		if (!aNode) {
			alert('error: could not find a.mainMenuCurrent node');
			return;
		}
		aNode.href = '#';
		//aNode.id = 'aMainMenuCurrent';
	}
}