/*
 * Show or hide the selected menu item.
 */
function showMenuItem(menuItemId) {
	var menuItems = $("tr").filter("#"+menuItemId);
	
	if (menuItems.get(0).style.display == "none")
		menuItems.show();
	else
		menuItems.hide();
}

/*
 * Show event list.
 */
function showEvtList(key, title, rootKey) {
	document.location = 'event_list.htm?key=' + key + '&title=' + title + '&rootKey=' + rootKey;
}