over = function() {
	var sfEls = document.getElementById("nav").
getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" over";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.
replace(new RegExp(" over\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", over);



function enableSubMenus(){
var lis = document.getElementsByTagName('li');
for (var i = 0, li; li = lis[i]; i++){
var link = li.getElementsByTagName('a')[0];
if (link){
link.onfocus = function(){
var ul = this.parentNode.getElementsByTagName('ul')[0];
if (ul)
ul.style.display = 'block';
}
var ul = link.parentNode.getElementsByTagName('ul')[0];
if (ul){
var ullinks = ul.getElementsByTagName('a');
var ullinksqty = ullinks.length;
var lastItem = ullinks[ullinksqty - 1];
if (lastItem){
lastItem.onblur = function(){
this.parentNode.parentNode.style.display = '';
}
lastItem.parentNode.onblur = function(){
this.parentNode.style.display = '';

}
}
}
}
}
}
window.onload = enableSubMenus;