// JavaScript Document
var t=false, current;
function SetupMenu() {
	if(!document.getElementsByTagName) return;
	items=document.getElementsByTagName("li");
	for (i=0; i<items.length; i++) {
		if (items[i].className != "menu") continue;
		//setup event handlers
		thelink=findChild(items[i],"A");
		thelink.onmouseover=ShowMenu;
		thelink.onmouseout=StartTimer;
		//is there a submenu
		if (ul=findChild(items[i],"UL")) {
		ul.style.display="none";
		for (j=0; j<ul.childNodes.length; j++) {
			ul.childNodes[j].onmouseover=ResetTimer;
			ul.childNodes[j].onmouseout=StartTimer;
			}
		}
	}
}
// find the first child object of a particular type
function findChild(obj,tag) {
	cn = obj.childNodes;
	for (k=0; k<cn.length; k++) {
		if (cn[k].nodeName==tag) return cn[k];
	}
	return false;
}
function ShowMenu(e) {
	if (!e) var e = window.event;
	//which link was the mouse over
	thislink = (e.target) ? e.target: e.srcElement;
	ResetTimer();
	//hide the previous menu, if any
	if (current) HideMenu(current);
	//we want the LI, not the link
	thislink = thislink.parentNode;
	current=thislink;
	//find the submenu, if any
	ul = findChild(thislink,"UL");
	if (!ul) return;
	ul.style.display="block";
	}
function HideMenu(thelink) {
	//find the submenu if any
	ul = findChild(thelink,"UL");
	if (!ul) return;
	ul.style.display="none";
	}
function ResetTimer() {
	if (t) window.clearTimeout(t);
	}
function StartTimer() {
	t = window.setTimeout("HideMenu(current)",200);
	}
window.onload=SetupMenu;