function MenuTabbedClick(menu_id, tab_name)
	{
	var menu = document.getElementById(menu_id);

	var tabs = menu.getElementsByTagName('tr')[0].getElementsByTagName('td');
	for(var i=0; i < tabs.length; i++)
		{
		tabs[i].style.backgroundColor = "#ddd";
		tabs[i].style.borderBottom = "1px solid black";
		}
	var tab_id = tab_name == '' ? tabs[0].id : menu_id+"-"+tab_name.toLowerCase().replace(' ','-');

	var tab = document.getElementById(tab_id);
	tab.style.backgroundColor = "#f4f7f9";
	tab.style.borderBottom = "1px solid #f4f7f9";
	
	var panes = getElementsByClass(menu_id);
	for(var i=0; i < panes.length; i++)
		panes[i].style.display = "none";

	var pane = document.getElementById(tab_id+"-pane");
	pane.style.display = "block";
	}