function initMenu()
{
	var menu = document.getElementById("main-menu");
	var lis = menu.getElementsByTagName("li");
	for (var i = 0; i < lis.length; i++)
	{
		var parent = lis[i].parentNode.parentNode;
		if (lis[i].getElementsByTagName("ul").length > 0)
		{
			if (lis[i].className.indexOf("active") == -1) lis[i].className += " close";
			lis[i].onclick = function ()
			{
				if (this.className.indexOf("close") != -1) this.className = this.className.replace("close", "")
				else this.className += " close";
			}
		}
		else if ((parent.className.indexOf("sub") != -1)&&(lis[i].className.indexOf("active") != -1 ))
		{
			parent.className = parent.className.replace("close", "")
		}
	}
}

if (window.addEventListener)
	window.addEventListener("load", initMenu, false);
else if (window.attachEvent && !window.opera)
	window.attachEvent("onload", initMenu);