// Copyright 2006-2007 javascript-array.com
var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

function mopen(id) {	
	mcancelclosetime();
	
	if (ddmenuitem) {
		ddmenuitem.style.display = 'none';
	}
	
	ddmenuitem = document.getElementById(id);
	if (ddmenuitem) {
		ddmenuitem.style.display = 'block';
	}
}

function mclose() {
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

function mclosetime() {
	closetimer = window.setTimeout(mclose, timeout);
}

function mcancelclosetime() {
	if(closetimer) {
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

function loadMenu() {
	url = link + "&spid=menu";
	if (window.XMLHttpRequest) {
		req = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		req = new ActiveXObject("Microsoft.XMLHTTP");
	}

	if (req != undefined) {
		req.onreadystatechange = function() {writeMenu();};
		req.open("GET", url, true);
		req.send("");
	} else {
		document.getElementById('menuDiv').innerHTML = 'Error Loading Content.  Please Try Again.';
	}
}

function writeMenu() {
	target = document.getElementById('menuDiv');
	
	if (req.readyState == 4) { // only if req is "loaded"
		if (req.status == 200) { // only if "OK"
			target.innerHTML = req.responseText;
		} else {
			target.innerHTML = 'There was an error loading the menu.  Please try again.';
		}
	}
}

document.onclick = mclose;