function activatePublicMenu() {
	
	var subs = $$('#nav > li');
	for(i = 0; i < subs.length; i++) {
		
		var children = subs[i].childElements();
		if(children.length > 1) {
			
			var submenu = children[(children.length -1)];
			submenu.style.display = 'none';
			
			/*subs[i].down().onmouseover = function() {
			
				var me = Element.extend(this);
				var sub = me.next();
				
				if(sub.style.display == 'none') {
					
					var eff = new Array(
						new Effect.SlideDown(sub, { sync: true }),
						new Effect.Fade(sub, { sync: true, from: 0, to: 1})
					);
					sub.style.display = 'block'					
					
				} else {
				
					var eff = new Array(
						new Effect.SlideUp(sub, { sync: true }),
						new Effect.Fade(sub, { sync: true, from: 1, to: 0})
					);
					sub.style.display = 'none';	
				
				}
			
				new Effect.Parallel(eff)
				
				return false;
				
			}*/
			
			subs[i].down().onmouseover = function() {
			
				var me = Element.extend(this);
				var sub = me.next();
				
				sub.style.display = 'block'					
				
				return false;
				
			}
			
			subs[i].down().onmouseout = function() {
			
				var me = Element.extend(this);
				var sub = me.next();
				
				sub.style.display = 'none'					
				
				return false;
				
			}
			
			var sub = subs[i].down().next();
			sub.onmouseover = function() {
				this.style.display = 'block';
			}
			sub.onmouseout = function() {
				this.style.display = 'none';
			}
			
		}
		
	}
		
}