// JavaScript Document

// JavaScript Document

// DropDownMenu by Miha Hribar
// http://hribar.info

function addLoadEvent(func) {
 var oldonload = window.onload;
 if (typeof window.onload != 'function') {
 window.onload = func;
 } else {
 window.onload = function() {
 oldonload();
 func();
 }
 }
}

function prepareMenu() {
   if (!document.getElementsByTagName) return false;
   if (!document.getElementById) return false;

 // lets make sure the element exists
 if (!document.getElementById("menu")) return false;
 var menu = document.getElementById("menu");

 // for each of the li on the root level check if the element has any children
 // if so append a function that makes the element appear when hovered over
 var root_li = menu.getElementsByTagName("li");
 for (var i = 0; i < root_li.length; i++) {
 var li = root_li[i];
 // search for children
 var child_ul = li.getElementsByTagName("ul");
 if (child_ul.length >= 1) {
 // we have children - append hover function to the parent
 li.onmouseover = function () {
 if (!this.getElementsByTagName("ul")) return false;
 var ul = this.getElementsByTagName("ul");
 ul[0].style.display = "block";
 return true;
 }
 li.onmouseout = function () {
 if (!this.getElementsByTagName("ul")) return false;
 var ul = this.getElementsByTagName("ul");
 ul[0].style.display = "none";
 return true;
 }
 }
 }

 return true;
}

addLoadEvent(prepareMenu);