var menuids=["tree"]

function buildsubmenus()
{
	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"
			if (ultags[t].parentNode.parentNode.id==menuids[i]) ultags[t].style.left=ultags[t].parentNode.offsetWidth+"px"
			else ultags[t].style.left=ultags[t-1].getElementsByTagName("a")[0].offsetWidth+"px"
			
			ultags[t].parentNode.onmouseover=function(){ this.getElementsByTagName("ul")[0].style.display="block" }
			ultags[t].parentNode.onmouseout=function(){ this.getElementsByTagName("ul")[0].style.display="none" }
		}
		for (var t=ultags.length-1; t>-1; t--)
		{
			ultags[t].style.visibility="visible"
			ultags[t].style.display="none"
		}
	}
}

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