//VANAF HIER HET MENU
var menuids=["submenu"] ;
    
function buildsubmenus_vertical(){
	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.style.top //dynamically position first level submenus to be height of main menu item
			}
			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.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_vertical, false);
}
else if (window.attachEvent){
	window.attachEvent("onload", buildsubmenus_vertical);
}
//TOT HIER HET MENU