//top menu
function top_gnb(seq) {
	nav = document.getElementById("gnv");
	nav.menu = new Array();
	nav.current = null;
	nav.menuseq = 0;
	navLen = nav.childNodes.length;
	
	allA = nav.getElementsByTagName("a")
	for(k = 0; k < allA.length; k++) {
		allA.item(k).onmouseover = allA.item(k).onfocus = function () {
			nav.isOver = true;
		}
		allA.item(k).onmouseout = allA.item(k).onblur = function () {
			nav.isOver = false;
			setTimeout(function () {
				if (nav.isOver == false) {
					if (nav.menu[seq])
						nav.menu[seq].onmouseover();
					else if(nav.current) {
						menuImg = nav.current.childNodes.item(0);
						menuImg.src = menuImg.src.replace("_on.gif", ".gif");
						if (nav.current.submenu)
							nav.current.submenu.style.display = "none";
						nav.current = null;
					}
				}
			}, 3500);
		}
	}

	for (i = 0; i < navLen; i++) {
		navItem = nav.childNodes.item(i);
		if (navItem.tagName != "LI")
			continue;

		navAnchor = navItem.getElementsByTagName("a").item(0);
		navAnchor.submenu = navItem.getElementsByTagName("ul").item(0);
		
		navAnchor.onmouseover = navAnchor.onfocus = function () {
			if (nav.current) {
				menuImg = nav.current.childNodes.item(0);
				menuImg.src = menuImg.src.replace("_on.gif", ".gif");
				if (nav.current.submenu)
					nav.current.submenu.style.display = "none";
				nav.current = null;
			}
			if (nav.current != this) {
				menuImg = this.childNodes.item(0);
				menuImg.src = menuImg.src.replace(".gif", "_on.gif");
				if (this.submenu)
					this.submenu.style.display = "block";
				nav.current = this;
			}
			nav.isOver = true;
		}
		nav.menuseq++;
		nav.menu[nav.menuseq] = navAnchor;
	}
	if (nav.menu[seq])
		nav.menu[seq].onmouseover();
}


//top sub menu
var top_depth2={
	subcontainers:[], last_accessed_tab:null,

	revealsubmenu:function(curtabref){
	this.hideallsubs()
	if (this.last_accessed_tab!=null)
		this.last_accessed_tab.className=""
	if (curtabref.getAttribute("rel")) //If there's a sub menu defined for this tab item, show it
	document.getElementById(curtabref.getAttribute("rel")).style.display="block"
	curtabref.className="on"
	this.last_accessed_tab=curtabref
	},

	hideallsubs:function(){
	for (var i=0; i<this.subcontainers.length; i++)
		document.getElementById(this.subcontainers[i]).style.display="none"
	},


	init:function(menuId, selectedIndex){
	var tabItems=document.getElementById(menuId).getElementsByTagName("a")
		for (var i=0; i<tabItems.length; i++){
			if (tabItems[i].getAttribute("rel"))
				this.subcontainers[this.subcontainers.length]=tabItems[i].getAttribute("rel") //store id of submenu div of tab menu item
			if (i==selectedIndex){ //if this tab item should be selected by default
				tabItems[i].className="on"
				this.revealsubmenu(tabItems[i])
			}
		tabItems[i].onmouseover=function(){
		top_depth2.revealsubmenu(this)
		}
		} //END FOR LOOP
	}

}

//left menu
var sub_depth2={
	subcontainers:[], last_accessed_tab:null,

	revealsubmenu:function(curtabref){
	this.hideallsubs()
	if (this.last_accessed_tab!=null)
		this.last_accessed_tab.className=""
	if (curtabref.getAttribute("rel")) //If there's a sub menu defined for this tab item, show it
	document.getElementById(curtabref.getAttribute("rel")).style.display="block"
	curtabref.className="on"
	this.last_accessed_tab=curtabref
	},

	hideallsubs:function(){
	for (var i=0; i<this.subcontainers.length; i++)
		document.getElementById(this.subcontainers[i]).style.display="none"
	},


	init:function(menuId, selectedIndex){
	var tabItems=document.getElementById(menuId).getElementsByTagName("a")
		for (var i=0; i<tabItems.length; i++){
			if (tabItems[i].getAttribute("rel"))
				this.subcontainers[this.subcontainers.length]=tabItems[i].getAttribute("rel") //store id of submenu div of tab menu item
			if (i==selectedIndex){ //if this tab item should be selected by default
				tabItems[i].className="on"
				this.revealsubmenu(tabItems[i])
			}
		tabItems[i].onmouseover=function(){
		sub_depth2.revealsubmenu(this)
		}
		} //END FOR LOOP
	}

}