//Nested Side Bar Menu (Mar 20th, 09)
//By Dynamic Drive: http://www.dynamicdrive.com/style/
//includes delay of li disappearance on onmouseout event from info posted on http://www.webdeveloper.com/forum/showthread.php?t=124275&page=2

var menuids = ["nav"] //Enter id(s) of each Side Bar Menu's main UL, separated by commas
var onMouseOutDelay = 500; //Delay that will apply to mouseout event

function initsidebarmenu() {
	
	for (var i = 0; i < menuids.length; i++) {
		var ultags = document.getElementById(menuids[i]).getElementsByTagName("ul")
		for (var t = 0; t < ultags.length; t++) {
			ultags[t].parentNode.getElementsByTagName("a")[0].className += " subfolderstyle"
			ultags[t].parentNode.onmouseover = function() {
				this.getElementsByTagName("ul")[0].isMouseOver = true;
				this.getElementsByTagName("ul")[0].style.display = "block";
				hideAllOther(this);
				if (this.toref)
					window.clearTimeout(this.toref);
		}
		ultags[t].parentNode.onmouseout = function() {
			var saveref = this.getElementsByTagName("ul")[0];
			saveref.isMouseOver = false;
			if (this.toref)
				window.clearTimeout(this.toref);
		
		//this.getElementsByTagName("ul")[0].style.display = "none";
		this.toref = window.setTimeout(function(e) {
			if (!saveref.isMouseOver)
				saveref.style.display = "none"
			}, onMouseOutDelay);
			}
		}
  	for (var t = ultags.length - 1; t > -1; t--) { //loop through all sub menus again, and use "display:none" to hide menus (to prevent possible page scrollbars
			ultags[t].style.visibility = "visible";
			ultags[t].style.display = "none";
		}
	}
}

function hideAllOther(liobj) {

	var p = liobj.parentNode.childNodes;
	//alert(liobj.parentNode.childNodes[3]);
	//alert(p);
	var i;
	try {
		for (i = 0; i < p.length; i++) {
			if (liobj != p[i] && "LI" == p[i].tagName && p[i].getElementsByTagName("ul").length)
				p[i].getElementsByTagName("ul")[0].style.display = "none";
		}
	} catch (e) {
		alert(p[i].innerHTML)
	}
}

if (window.addEventListener)
	window.addEventListener("load", initsidebarmenu, false)
else if (window.attachEvent)
	window.attachEvent("onload", initsidebarmenu)