menuids=["menuszerkezet1"] //Enter id(s)

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]){ //if this is a first level submenu
		ultags[t].style.left=ultags[t].parentNode.offsetWidth+"px"; //dynamically position first level submenus to be width of main menu item
	 }
	 else{ //else if this is a sub level submenu (ul)
	 	for(var z=t;z>=0;z--){
	 	 if(ultags[t].parentNode.parentNode==ultags[z-1]){
		  ultags[t].style.left=ultags[z-1].getElementsByTagName("a")[0].offsetWidth+"px"; //position menu to the right of menu item that activated it
		  break;
		 }
		}
	 }
	 
   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--){ //loop through all sub menus again, and use "display:none" to hide menus (to prevent possible page scrollbars
	 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)