startList = function() {
if (document.all&&document.getElementById) {
	navRoot = document.getElementById("menu-nav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
				this.className+="over";
			}
			node.onfocus=function() {
				this.className+="over";
			}
			node.onmouseout=function() {
				this.className=this.className.replace("over", "");
			}

		}	
	}
 }
  
if (document.all&&document.getElementById) {
	subRoot = document.getElementById("submenu-nav");
		for (i=0; i<subRoot.childNodes.length; i++) {
			nodes = subRoot.childNodes[i];
			if (nodes.nodeName=="LI") {
				nodes.onmouseover=function() {
					this.className+="sobre";
				}
				nodes.onfocus=function() {
					this.className+="sobre";
			}
				nodes.onmouseout=function() {
				this.className=this.className.replace("sobre", "");
			}
		}
	}
 }

}