var Menu = new Array("one","two","three"); // ,"four","five");

function ShowMenu(MenuID) { 
document.getElementById(MenuID).style.display = 'block'; 
} 
function HideMenu(MenuID) { 
document.getElementById(MenuID).style.display = 'none'; 
}

function CollapseAll() {
for (i=0; i<=Menu.length-1; i++) {
//		if (MenuId != Menu[i]) {
		document.getElementById('sub_'+Menu[i]).style.display = 'none';
		document.getElementById('sub_'+Menu[i]).style.position = 'absolute';
//		}
}
}

function ShowAll() {
for (i=0; i<=Menu.length-1; i++) {
document.getElementById('sub_'+Menu[i]).style.display = 'block'; 
}
} 

function ToggleAll() {
for (i=0; i<=Menu.length-1; i++) {
	if (document.getElementById(Menu[i]).style.display == 'block')
		{
		document.getElementById(Menu[i]).style.display = 'none';
		}
		else
		{
		document.getElementById(Menu[i]).style.display = 'block';
		}
}
} 

function ToggleSub(MenuId) {
x = 'sub_'+MenuId;
CollapseAll();
		document.getElementById(x).style.display = 'block';
}