function toggleMenu(menu_name)
{
	var menuItem = $r("menu_" + menu_name);
	var child = $r("menu_a_" + menu_name);
	
	if (child.className=="active") {
		if (menuItem)
			menuItem.style.display="none";
		
		if (child)
			child.className = "";
	} else {
		if (child)
			child.className = "active";
			
		if (menuItem)
			menuItem.style.display="block";
	}
	
}

function toggleMenuPassive(menu_name,isIn) {
	var menuItem = $r("menu_" + menu_name);
	
	if (isIn==false) {
		if (menuItem)
			menuItem.style.display="none";
	} else {
		if (menuItem)
			menuItem.style.display="block";
	}
}


function $r() {
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++) {
		var element = arguments[i];
		if (typeof element == 'string')
			element = document.getElementById(element);
		if (arguments.length == 1)
			return element;
		elements.push(element);
	}
	return elements;
}