/*document.getElementsByTagName('html')[0].className = "js";
			function abreul(){
				var lis = document.getElementById('menu').getElementsByTagName('li');
				for(i=0; i<lis.length; i++){
					if(lis[i].getElementsByTagName('ul')[0] != null){
						lis[i].getElementsByTagName('ul')[0].onmouseover = function (){this.className = "aberto";}
						lis[i].getElementsByTagName('ul')[0].onmouseout = function(){this.className = "";}
					}
				}
			}
			

			window.onload = abreul;*/
        	function subMenu(){
				var ulMenu = document.getElementById("menu");

				for (i = 0; i < ulMenu.childNodes.length; i++) {
					liItem = ulMenu.childNodes[i];
					if (liItem.nodeName == "LI") {
						//ulSub = liItem.childNodes[2].className;
						liItem.childNodes[2].style.display = "none";
						liItem.onmouseover = function(){this.childNodes[2].style.display = "block";}
						liItem.onmouseout = function(){this.childNodes[2].style.display = "none";}
					}
				}
			}
			window.onload = subMenu;