var menuids=["menutree"]  

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)