var menuids=["navtree1"]

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)