//nav JS
	var menuids=["treemenu1"] 
	function buildsubmenus_horizontal(){
	for (var i=0; i<menuids.length; i++){
	var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul")
	for (var t=0; t<ultags.length; t++){
	if (ultags[t].parentNode.parentNode.id==menuids[i]){ 
	ultags[t].style.top=ultags[t].parentNode.offsetHeight+"px" 
	ultags[t].parentNode.getElementsByTagName("a")[0].className="mainfoldericon"
	}
	else{ //else if this is a sub level menu (ul)
	ultags[t].style.left=ultags[t-1].getElementsByTagName("a")[0].offsetWidth+"px" 
	ultags[t].parentNode.getElementsByTagName("a")[0].className="subfoldericon"
	}
	ultags[t].parentNode.onmouseover=function(){
	this.getElementsByTagName("ul")[0].style.visibility="visible"
	}
	ultags[t].parentNode.onmouseout=function(){
	this.getElementsByTagName("ul")[0].style.visibility="hidden"
	}
	}
	}
	}
	if (window.addEventListener)
	window.addEventListener("load", buildsubmenus_horizontal, false)
	else if (window.attachEvent)
	window.attachEvent("onload", buildsubmenus_horizontal)