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// 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() {
// first lets make sure the browser understands the DOM methods we will be using
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);
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