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]){ //if this is a first level submenu
            ultags[t].style.top=ultags[t].parentNode.offsetHeight+"px" //dynamically position first level submenus to be height of main menu item
            ultags[t].parentNode.getElementsByTagName("a")[0].className="mainicon"
          }
          else{ //else if this is a sub level menu (ul)
            ultags[t].style.left=ultags[t-1].getElementsByTagName("a")[0].offsetWidth+"px" //position menu to the right of menu item that activated it
            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)

function jump(ddbox){
	location.href =ddbox.options[ddbox.selectedIndex].value;
}